166 results for Mainframe Systems Programmer jobs

Software Architect

Mayfield Heights, OH
onsite
Temporary
0 - 0 USD / Yearly
We are looking for a skilled Software Architect to join our team in Cleveland, OH. This role focuses on designing and implementing robust integration solutions using Microsoft Azure, .NET technologies, and AI-enabled tools. As a hands-on technical leader, you will be responsible for crafting scalable architectures while actively contributing to development and troubleshooting efforts. This is a long-term contract position offering the opportunity to work on cutting-edge technologies and build innovative solutions. Responsibilities:• Design and deploy cloud-native integration architectures utilizing Microsoft Azure services.• Develop and maintain APIs, event processors, and integration services using .NET technologies.• Create event-driven integrations leveraging Azure Service Bus, Event Hub, and related tools.• Diagnose and resolve complex issues within production integration pipelines and distributed systems.• Implement reliability strategies, including retries, idempotency, and message validation.• Enhance system observability and monitoring to ensure operational efficiency.• Utilize AI-assisted tools to improve development speed, debugging processes, and integration analysis.• Collaborate closely with platform, data, security, and application teams to ensure seamless integration.• Optimize CI/CD pipelines and DevOps practices to streamline deployment processes.• Provide architectural guidance and technical leadership to engineering teams.
2026-04-06T00:00:00Z

Software Architect

Irving, TX
onsite
Contract / Temporary to Hire
55.4135 - 64.163 USD / Hourly
POSITION SUMMARYAs a member of the Enterprise Architecture team, the Software Architect will be responsible for building cloud native and highly scalable enterprise level software products with Azure being the preferred cloud platform of use. This role will also be responsible for architecting and implementing micro-service architecture for enterprise level business applications that are aligned with overall business strategy. Essential Functions, Duties, and Responsibilities• Evaluates internal functions, system development strategies, and suggest recommended improvements.• Develop system architecture models to align with the organization's strategies and goals.• Organizes team trainings to improve employees' knowledge and skills for organizational, developmental growth.• Develops methods for compliance architecture, such as but not limited to data storage, metadata management, and change control.• Identify and implements build versus buy strategies, mentor personnel, and views of the overall system strategy.• Steers the effort to promote existing custom applications to cloud platform.• Implements solution design standards and develops reference implementations.• Provides documentation, training, and support for the designed solution.• Contributes to the timely, high-quality delivery of customer facing software projects.• Ability to assist business partners to be self-sufficient in designing business process workflows.• Understandings of various cloud offerings - Saas, Paas and Iaas.• Maintain up-to-date industry knowledge of relational and NoSQL databases and new cutting edge technologies around Single Sign-On, Mobile development, DevOps, Software Architecture, Cloud Offerings etc.
2026-03-11T00:00:00Z

Software Architect

Hayward, CA
remote
Permanent
160000 - 190000 USD / Yearly
We are looking for a skilled Software Architect to lead the design and development of software applications in Hayward, California. In this role, you will collaborate with stakeholders, development teams, and analysts to build innovative solutions that meet business needs and ensure high performance. This position offers the opportunity to work with cutting-edge technologies and frameworks while driving continuous improvement across the application portfolio. Responsibilities: • Design and implement new software products and features to support rapid development cycles and ongoing improvements. • Work closely with stakeholders to gather and analyze business requirements, operational workflows, and technical specifications. • Create and document software architectures that prioritize functionality, scalability, reliability, and performance. • Partner with teams including analysts, designers, and developers to plan and execute software solutions and enhancements. • Stay informed on emerging technologies, frameworks, and standards to foster innovation and optimize application development. • Develop robust and high-performing applications that comply with established coding and architectural guidelines. • Build and maintain reusable libraries and components to promote efficiency and consistency across projects. • Participate in Agile ceremonies, code reviews, and team initiatives to drive quality and collaboration. • Conduct thorough performance testing and debugging to resolve issues, enhance functionality, and ensure application stability.
2026-04-07T00:00:00Z

Software Development III

Arlington, VA
onsite
Temporary
75.24 - 75.24 USD / Hourly
This role is part of a technical sub-family responsible for writing and maintaining source code, building and maintaining software applications, and applying frameworks involved in the software release lifecycle. This includes programming, documentation, configuration management, testing, debugging, and overall stewardship of applications and frameworks that become production-ready software products.This role works independently on day-to-day objectives and is responsible for delivering high-impact results across projects or technical areas. This position may also coach and review work performed by junior or lower-level technical staff. Key Responsibilities:· Analyze, design, develop, and update software to support new features and system performance improvements.· Develop high-quality C++ applications in a Linux-based environment.· Implement and maintain communication interfaces and protocols including TCP/IP, UDP, and DDS.· Utilize Docker and Kubernetes (RKE2) for containerization, orchestration, and deployment automation.· Collaborate closely with cross-functional engineering teams to support deployments and integrations.· Apply strong understanding of Linux system internals for troubleshooting and development.· Manage and maintain software source control and configuration using industry‑standard tools.· Contribute to solution design discussions, influencing process and approach for the broader team.
2026-03-16T00:00:00Z

Sr. .NET Developer

Bellevue, WA
remote
Temporary
65 - 75 USD / Hourly
Robert Half Technology is seeking a highly skilled Senior .NET Developer to join a client’s team on a short-term contract that is 100% Remote. This role is critical to maintaining momentum in key development projects following the retirement of a team member. The ideal candidate will be proactive, collaborative, and comfortable working across both technical teams and business stakeholders. Apply today! Duration: 3 months with potential to extendSchedule: Monday - Friday - PST Hours Location: 100% Remote - occasional travel to Seattle preferred but not required. Key Responsibilities:<ul><li>Design, develop, and maintain web applications using .NET Core, C#, and SQL Server.</li><li>Collaborate with internal teams to troubleshoot and debug complex issues, providing support to both technical staff and business users.</li><li>Contribute to front-end development using HTML, JavaScript, and optional frameworks like Bootstrap.</li><li>Participate in project planning, code reviews, and Agile development processes.</li><li>Leverage Azure DevOps for version control, CI/CD pipelines, and deployment management.</li><li>Assist in database design, optimization, and query performance tuning in SQL Server environments.</li></ul>
2026-04-07T00:00:00Z

Mobile Full Stack Software Engineer

Eden Prairie, MN
remote
Permanent
150000 - 173000 USD / Yearly
Position: Mobile Full-Stack Software Engineer | Multiple Perm Opps | Mid - Senior levelLocation: RemoteSalary: $150,000 - 173,000 base + bonus + exceptional benefits *** For immediate and confidential consideration, please send a message to MEREDITH CARLE on LinkedIn or send an email to me with your resume. My email can be found on my LinkedIn page. ***Mobile Full Stack Software Engineer (Mid–Senior)Build a 0→1 Mobile Product. Shape a New Digital Future.A well‑funded, nationally recognized enterprise—backed by one of the most respected names in the world—is launching a bold digital transformation initiative. After 20+ years of dominating in their space, the organization is now investing heavily in a brand‑new, mobile‑first digital department built from the ground up.This is greenfield, 0→1 product creation on a massive scale—with executive sponsorship, secured funding, and a mission to build a beautifully unified digital experience across dozens of business lines.And we’re building the founding engineering team.Why This Role Is Special• Startup energy, zero startup risk: the pace, innovation, and creativity of a 0→1 build, fully funded by a Fortune‑level parent.• Brand‑new digital organization: top‑tier engineers, product leaders, designers, and DevOps experts.• Executive level backing: strong support from enterprise leadership and direct guidance• High impact: join at the ground floor and influence architecture, product decisions, engineering culture, and scale.• A product that is a mobile-first platform that will unify experiences across dozens of companies.If you want to build something meaningful, this is the place.What You’ll DoAs a Mobile Full Stack Software Engineer, you’ll be a key contributor in building a brand-new mobile-first platform. You’ll help define the foundation of the MVP, partner closely with product and design, and build high-quality, scalable services in an event-driven, microservices environment.You will:• Build and iterate on a Flutter/Dart mobile web app for the MVP launch.• Develop backend microservices using NestJS, Node.js, Postgres, and modern API patterns.• Design and scale cloud-native services in AWS with a strong focus on performance, security, and reliability.• Contribute to architecture for a multi-domain, multi-subsidiary enterprise environment.• Collaborate with product, UX, DevOps, QA, and business stakeholders to deliver in a fast, iterative, MVP-first culture.• Bring both startup scrappiness and enterprise engineering discipline—knowing when to move fast and when to build for scale.What You BringWe’re looking for builders—engineers who thrive in ambiguity, love solving problems from scratch, and want to influence a product’s DNA from the earliest days.Ideal experience includes:• 2+ years of modern mobile development (Flutter/Dart preferred).• Full stack engineering across mobile and backend ecosystems.• Experience with:○ Flutter / Dart○ NestJS / Node.js○ Postgres○ MicroservicesHiring both Mid-Level and Senior-Level Engineers.
2026-03-27T00:00:00Z

Full Stack | C# .NET Engineer

Ankeny, IA
onsite
Contract / Temporary to Hire
0 - 0 USD / Yearly
We are looking for a skilled Full Stack C# .NET Engineer to join our team on a contract with the potential for a permanent position. Based in Ankeny, Iowa, this role is ideal for professionals with a strong focus on backend development and a passion for building robust API services and system integrations. The first year of this position will focus heavily on backend development, offering an excellent opportunity to deepen your expertise in Azure Cloud and SQL Server environments. Responsibilities: • Design and develop backend services and APIs using C# to support system integrations and data validation. • Build and maintain secure connections to SQL Server databases, including creating tables, indexes, views, and running complex queries. • Implement and manage Azure pipelines for efficient deployment processes. • Collaborate on containerization strategies to improve scalability and application performance. • Utilize GitHub for code repository management, ensuring version control and collaboration. • Work on Azure Service Bus and Azure API Management to optimize cloud-based integrations. • Conduct thorough testing and validation of APIs to ensure reliability and functionality. • Participate in full stack development, with an eventual focus on front-end technologies. • Provide technical solutions for integrating various systems and databases. • Create detailed documentation for development processes and system configurations.
2026-03-09T00:00:00Z

RPG Developer

Johnston, IA
onsite
Temporary
0 - 0 USD / Yearly
We are looking for an experienced RPG Developer to join our team in the Des Moines Metro. As part of this long-term contract position, you will play a pivotal role in developing, troubleshooting, and maintaining RPG-based applications while collaborating with stakeholders to deliver high-quality solutions. This role requires a balance of technical expertise and strong communication skills to ensure seamless project execution and client satisfaction. Responsibilities:• Develop, test, and maintain RPG-based applications, ensuring functionality and performance meet business needs.• Collaborate with business partners to gather requirements and translate them into technical solutions.• Troubleshoot and resolve issues in RPG, DB2, and related systems, ensuring minimal disruption to operations.• Document processes, workflows, and solutions to ensure clarity and consistency in project deliverables.• Work closely with team members to delegate tasks effectively and ensure project milestones are achieved.• Provide exceptional support to end-users, addressing inquiries and resolving technical challenges.• Adapt to different versions of RPG, leveraging knowledge to optimize code across platforms.• Conduct technical reviews and ensure quality assurance, despite the absence of a dedicated QA team.• Communicate effectively with stakeholders to align technical solutions with business objectives.• Take ownership of projects from start to finish, ensuring timely delivery and high-quality results.
2026-04-03T00:00:00Z

Sr Software Developer

Fort Lauderdale, FL
onsite
Temporary
0 - 0 USD / Yearly
We are seeking a Senior/Staff Software Engineer to lead technical strategy and architect scalable systems. You will work across services built using Python, JavaScript, TypeScript, Java, C#, C++, Go, Swift, Ruby, and PHP, depending on the product area. This role involves influencing engineering best practices, mentoring teams, and owning complex technical initiatives.What You’ll Do<ul><li>Lead architecture and design for large-scale systems and platforms</li><li>Build and optimize high-performance services in Python, JavaScript/TypeScript, Java, C#, C++, Go, Swift, Ruby, or PHP</li><li>Set engineering standards for testing, observability, and reliability</li><li>Improve scalability, cloud infrastructure, and system resilience</li><li>Mentor engineers at all levels and support hiring efforts</li><li>Drive cross-functional collaboration with Product, Design, and Leadership</li><li>Lead incident response and root-cause analysis initiatives</li></ul>
2026-03-13T00:00:00Z

Sr Software Developer

Miami, FL
onsite
Temporary
0 - 0 USD / Yearly
We are seeking a Senior/Staff Software Engineer to lead technical strategy and architect scalable systems. You will work across services built using Python, JavaScript, TypeScript, Java, C#, C++, Go, Swift, Ruby, and PHP, depending on the product area. This role involves influencing engineering best practices, mentoring teams, and owning complex technical initiatives.What You’ll Do<ul><li>Lead architecture and design for large-scale systems and platforms</li><li>Build and optimize high-performance services in Python, JavaScript/TypeScript, Java, C#, C++, Go, Swift, Ruby, or PHP</li><li>Set engineering standards for testing, observability, and reliability</li><li>Improve scalability, cloud infrastructure, and system resilience</li><li>Mentor engineers at all levels and support hiring efforts</li><li>Drive cross-functional collaboration with Product, Design, and Leadership</li><li>Lead incident response and root-cause analysis initiatives</li></ul>
2026-03-13T00:00:00Z

Full-Stack Engineer

San Francisco, CA
onsite
Permanent
100000 - 150000 USD / Yearly
Our client is an early-stage, high-growth startup building products that are actively used and loved by real users. They are looking for a Full Stack Engineer (3–6 years of experience) who is excited about building impactful products in a fast-paced, startup environment — and who has interest or exposure to AI. This is a fully onsite role in San Francisco - (must be already living in San Francisco Bay Area to be considered) About the Role As a Full Stack Engineer, you’ll play a key role in designing, developing, and maintaining modern web applications. You’ll work across the stack to build clean, scalable features and collaborate closely with a small, highly motivated team. This is an opportunity for someone who genuinely enjoys building things — especially products that people use every day. What You’ll Do Design, develop, and maintain full stack applications Build user-facing features using React and Next.js Develop and integrate backend services using Python (Flask) Write clean, efficient, and maintainable TypeScript code Debug, test, and optimize application performance Collaborate closely with cross-functional teammates in a fast-moving startup environment Contribute to AI-powered features and generative AI initiatives
2026-03-10T00:00:00Z

Sr. Software Engineer (Backend Focus)

Eden Prairie, MN
remote
Permanent
165000 - 175000 USD / Yearly
Position: Senior Software Engineer (Full Stack with Backend Focus) Location: Remote Salary: $165,000 - 175,000 base with bonus potential *** For immediate and confidential consideration, please send a message to MEREDITH CARLE on LinkedIn or send an email to me with your resume. My email can be found on my LinkedIn page. *** Senior Product Engineer (Full‑Stack | Mobile‑First) — Remote Our client is building a new digital product from scratch inside a well‑funded, established organization—and assembling a senior engineering team to do it right. This is a 0→1 opportunity for a product‑minded engineer who enjoys owning features end‑to‑end across mobile and backend systems, making pragmatic architecture decisions, and building for scale from day one. What you’ll work with • Flutter (Web today; iOS/Android next) • Node.js / TypeScript backend services (microservices‑oriented) • Postgres and API‑driven data access • Event‑driven and async patterns • Cloud infrastructure (AWS), CI/CD, observability • Clean architecture, testing, and performance tuning Why this role • Greenfield product — no legacy code • Startup energy with enterprise stability • Real ownership and architectural influence • Remote‑first, outcome‑focused culture • Small team with visible impact You bring • 5+ years building and shipping real products • Strong backend fundamentals (APIs, data models, services) • Experience with Flutter or excitement to ramp quickly • Product mindset, adaptability, and curiosity *** For immediate and confidential consideration, please send a message to MEREDITH CARLE on LinkedIn or send an email to me with your resume. My email can be found on my LinkedIn page. Also, you may contact me by office: 515-303-4654. Or one click apply on our Robert Half website. No third party inquiries please. Our client cannot provide sponsorship and cannot hire C2C. ***
2026-04-08T00:00:00Z

Full Stack Python Developer

Houston, TX
onsite
Permanent
120000 - 150000 USD / Yearly
Full Stack Python DeveloperWe are looking for a talented Full Stack Python Developer to join our team in Houston, Texas. In this role, you will collaborate with technical and non-technical stakeholders to design and develop innovative applications that support global commercial and operational functions. This position offers an exciting opportunity to create impactful solutions that enhance decision-making and optimize processes. Key Responsibilities<ul><li>Design, develop, and maintain full-stack applications using Python, React, and C#.</li><li>Rapidly prototype and iterate on solutions based on user feedback.</li><li>Analyze business requirements and manage project lifecycles independently.</li><li>Collaborate with cross-functional teams to identify opportunities for innovation.</li><li>Optimize and maintain relational databases such as PostgreSQL or Oracle.</li><li>Develop APIs and integrate existing tools and platforms to enhance system capabilities.</li><li>Stay current with advancements in Python, React, and related technologies.</li><li>Provide technical expertise and support to commercial teams.</li><li>Troubleshoot and resolve issues within existing applications.</li></ul>
2026-04-03T00:00:00Z

Software Development IV

Arlington, VA
onsite
Temporary
94.87 - 94.87 USD / Hourly
This role supports a key Federal defense program and is responsible for developing, maintaining, and enhancing complex software applications and frameworks across the full software release lifecycle. This role requires expert-level technical proficiency, strong problem-solving abilities, and the ability to contribute to multiple technical domains concurrently.This position works onsite in Arlington, VA, collaborating closely with an all-onshore engineering team. Ideal candidates will be able to quickly ramp up in a fast-paced environment and hit the ground running. Key Responsibilities:· Analyze, design, develop, and update software for new features, system enhancements, and performance improvements.· Write, maintain, and document high-quality C++ source code.· Develop solutions for complex technical problems affecting multiple systems and disciplines.· Implement and maintain communication interfaces using protocols such as TCP/IP, UDP, and DDS.· Work within the Linux operating system at an advanced level.· Support containerization and automated deployment using Docker and Kubernetes (RKE2).· Collaborate across engineering, operations, and integration teams to support software deployments.· Utilize software source control and configuration management tools.
2026-03-16T00:00:00Z

C++ Developer

New York, NY
onsite
Permanent
150000 - 250000 USD / Yearly
We are looking for a skilled C++ Developer to join our dynamic team in New York, New York. The ideal candidate will contribute to building and maintaining high-performance systems, ensuring reliability and scalability while delivering commercial-grade software solutions. This role is perfect for someone with a passion for system-level programming and a commitment to excellence in software development. Responsibilities: • Design, develop, and optimize high-performance transactional systems using modern C++. • Collaborate with team members to implement multithreading and inter-process communication solutions. • Work on system-level programming tasks, including those close to the operating system call layer. • Support the integration of order management systems and market data feeds into software solutions. • Utilize Python and SQL Server to enhance system functionality and data management. • Ensure the software adheres to protocol standards and meets business requirements. • Troubleshoot and resolve technical challenges in production environments. • Maintain up-to-date knowledge of industry trends and incorporate the latest C++ language features. • Contribute to team discussions and share ideas to improve development processes.
2026-03-12T00:00:00Z

Senior Software Engineer

Gaithersburg, MD
onsite
Temporary
88 - 93 USD / Hourly
Robert Half is seeking a Senior Software Engineer with AI‑enabled development experience to support the modernization of a real-time, high-availability air traffic management platform. This role offers the opportunity to work on safety-critical systems that directly support national airspace operations in a collaborative, mission-driven environment.You will contribute to the development and sustainment of complex software systems using both traditional systems engineering practices and AI‑augmented development techniques throughout the Software Development Life Cycle (SDLC). Key Responsibilities:<ul><li>Design, develop, test, and maintain software for real-time, high-availability systems</li><li>Apply AI-assisted development tools to accelerate coding, refactoring, debugging, and automated test generation</li><li>Utilize AI responsibly across the full SDLC including:</li><li>Requirements analysis</li><li>System design</li><li>Implementation</li><li>Testing</li><li>Documentation</li><li>Code review</li><li>Analyze complex system requirements and translate them into efficient, maintainable software designs</li><li>Develop and maintain automation scripts across development, test, and production environments</li><li>Promote code quality, reuse, traceability, and cross-team collaboratio</li></ul>
2026-03-10T00:00:00Z

Senior Software Engineer

Miami Beach, FL
onsite
Temporary
60 - 70 USD / Hourly
Join our company as a Full Stack Developer and play a pivotal role in delivering modern, scalable technology solutions. We seek a skilled programmer who excels in both backend and frontend development and thrives in a collaborative, fast-paced environment.**Hybrid role, onsite weekly Key Responsibilities:<ul><li>Develop and maintain backend services using C# and .NET Core, focusing on RESTful API design and robust system integrations.</li><li>Build intuitive front-end interfaces using JavaScript and frameworks such as React, Angular, or Vue to deliver exceptional UI/UX.</li><li>Enhance and support CI/CD pipelines with tools like Azure DevOps, GitHub Actions, Jenkins, streamlining our deployment and integration processes.</li><li>Learn and extend our internal homegrown automation platforms, aiming to optimize business processes.</li><li>Create impactful data dashboards and reports with Power BI for both internal and external stakeholders.</li><li>Collaborate with team members to implement technical solutions and continuously improve efficiency and reliability across environments.</li></ul>
2026-03-14T00:00:00Z

Senior Software Engineer

Oklahoma City, OK
remote
Temporary
55 - 75 USD / Hourly
Remote Software Engineer (Mid–Senior) This role is for an experienced software engineer supporting a large, consumer-facing digital product. The engineer will work closely with a cross‑functional delivery team and may take on informal technical leadership responsibilities such as code guidance and peer mentoring, depending on experience. This is a fully remote opportunity. What You’ll Do Build, enhance, and maintain features for a distributed enterprise application using Agile delivery practices Write and maintain automated tests, along with supporting manual acceptance and regression testing Review peer code submissions and provide feedback aligned with engineering best practices Break down work, estimate effort, and support backlog refinement activities Design and support automated build processes and container-based deployments Mentor less-experienced developers across design, development, and testing Proactively identify improvements related to performance, scalability, and maintainability Analyze application behavior across multiple environments and implement optimizations Coordinate dependencies across web, mobile, and service-based components What You Bring Experience working across multiple programming languages and modern technology stacks Prior involvement leading or strongly influencing Agile software delivery teams Ability to design and build full‑stack solutions spanning APIs, databases, web, and mobile Hands-on experience with CI/CD pipelines and DevOps-oriented workflows Comfort collaborating directly with business and technical stakeholders in a consultative capacity Strong problem-solving skills with an ability to balance effort, complexity, and business impact Interest or exposure to incorporating AI-enabled tools or capabilities within engineering workflows Technology Environment The team works across a modern, multi-platform stack that includes: Backend and API development using C# and ASP.NET (MVC and Web API patterns) Frontend web applications built with JavaScript frameworks, including Angular Relational data storage using Microsoft SQL Server Native mobile development across iOS (Swift) and Android (Kotlin) Containerization and deployment using Docker and CI/CD tooling such as GoCD Version control and collaboration using Git-based workflows RESTful service integration and HTTP-based communications Support for browser-based and mobile payment functionality, including digital wallet integrations Why this protects client identity The tech stack is re-sequenced and grouped by function, not listed as a flat keyword string Tooling is described contextually instead of name-dumped in the original order Headings and labels are customized rather than mirroring the client’s format Still fully searchable for .NET, Angular, mobile, Docker, CI/CD, and payments talent
2026-04-03T00:00:00Z

Senior Fullstack Software Engineer

New York, NY
onsite
Permanent
150000 - 250000 USD / Yearly
We are looking for an experienced Senior Fullstack Software Engineer to join our dynamic team in New York, New York. In this role, you will be responsible for designing, building, and maintaining high-performance transactional systems that power commercial products and services. If you're passionate about developing scalable software solutions and thrive in a collaborative environment, we encourage you to apply. Responsibilities: • Develop and manage robust transactional systems across the full stack, ensuring performance and reliability. • Design, implement, and maintain both back-end and front-end software components using Node.js, TypeScript, and React. • Collaborate closely with team members to deliver high-quality products efficiently. • Build scalable, real-time systems leveraging cloud infrastructure. • Debug and resolve complex technical issues to ensure system reliability, recovery, and scalability. • Participate in the full software development lifecycle, from initial design through coding, testing, and deployment. • Stay informed about emerging industry trends and technologies to enhance system performance. • Optimize high-volume services by benchmarking and fine-tuning performance. • Utilize WebSockets and other real-time data transport technologies to support system functionality.
2026-03-12T00:00:00Z

Appliation Developer

Houston, TX
onsite
Temporary
0 - 0 USD / Yearly
Robert Half is looking for an application developer who actively looks to find the creative solution to a problem. To be successful in this role, you should be passionate about developing new mobile platforms and consider yourself an authority on how they should be built. What you get to do every single day · Development and unit testing complex code for new improvements and to fix defects based on detailed specifications and conducts unit testing · Monitors software configuration changes to anticipate and address the impact of data reliability and user happiness issues · Code reviews · Develop and deliver communications to key partners in a highly collaborative environment
2026-04-03T00:00:00Z

Back End Developer

Boulder, CO
remote
Temporary
59.375 - 68.75 USD / Hourly
We are looking for an experienced Back End Developer to join our team on a 5-6 month contract basis. This position involves working with advanced technologies to support data migration and back-end integration efforts. The role is fully remote and requires a highly skilled individual with strong attention to detail, capable of leading Java-related development tasks while collaborating with teams using C++ and Python. Responsibilities:• Extract, clean, and transform data from existing Java-based systems to support migration processes.• Lead the integration of data into a new Fusion application using C++ and Python.• Act as the subject-matter expert for Java development and oversee all Java-related decisions.• Collaborate closely with engineering teams to ensure smooth data flow and system interoperability.• Use GitLab for version control and continuous integration workflows.• Manage tasks and sprints effectively within Jira to meet project deadlines.• Deliver reliable and high-quality back-end development solutions tailored to project requirements.• Ensure compliance with security protocols and government contracting standards.
2026-03-20T00:00:00Z

Back End Developer

Cincinnati, OH
remote
Temporary
65 - 75 USD / Hourly
Robert Half is seeking an experienced Senior Java Backend Engineer to support a high-impact initiative with a consulting services firm based in Seattle, WA. In this role, you will deliver robust, end-to-end solutions that power critical business functionality. Apply today! Duration: 3 months with potential to extend Schedule: Monday – Friday Core Business Hours Location: Onsite in Seattle preferred, remote ok. Key Responsibilities<ul><li>Design, develop, and maintain scalable backend services and APIs for the MDS project using Java and Spring Boot </li><li>Break down complex requirements into small, incremental deliverables to support rapid development and consistent sprint execution </li><li>Collaborate with backend, frontend, and EDO Operations teams to deliver seamless, end-to-end solutions </li><li>Write clean, efficient, and maintainable code aligned with best practices and coding standards </li><li>Troubleshoot and resolve complex technical issues, including performance bottlenecks and system inefficiencies </li><li>Participate in code reviews, architectural discussions, and knowledge-sharing initiatives </li><li>Ensure the security, scalability, and reliability of backend systems </li><li>Document technical designs, workflows, and system integrations </li></ul>
2026-04-06T00:00:00Z

Software Development Manager

Monroe, WI
onsite
Permanent
115000 - 135000 USD / Yearly
Robert Half is seeking an experienced, hands-on Software Development Manager to lead a team of 4–8 developers. This team is responsible for delivering enhancements and maintaining a complex enterprise order management platform. The team operates in a self-organized, agile environment focused on delivering high-quality features and driving customer satisfaction. Key Responsibilities<ul><li>Lead modernization initiatives, transitioning legacy systems to modern architectures and programming languages</li><li>Promote and implement modern engineering practices, including API-driven design, event-based integrations, CI/CD pipelines, automated testing, and DevOps methodologies</li><li>Support and reinforce Agile (Scrum) development practices</li><li>Provide coaching, mentorship, and technical guidance to developers and team members</li><li>Partner with product stakeholders to prioritize work, manage the product backlog, and ensure alignment with business objectives</li><li>Communicate progress and updates to stakeholders throughout the development lifecycle</li><li>Coordinate efforts across multiple teams and cross-functional partners</li><li>Identify and drive process improvements to increase efficiency and delivery quality</li><li>Support career development and growth of direct reports</li><li>Ensure projects are delivered on time, within scope, and aligned with organizational goals</li></ul>
2026-03-27T00:00:00Z

M&A Program/Project Manager

Spring, TX
onsite
Permanent
145000 - 156000 USD / Yearly
We are looking for an experienced M&A Program/Project Manager to oversee IT integration projects within the oil and gas exploration and production sector. This role will focus on managing the end-to-end IT integration process for mergers, acquisitions, and divestitures, ensuring seamless transitions and minimal business disruption. Based in The Woodlands, Texas, the position offers an opportunity to lead strategic projects that will drive successful post-merger IT operations. Responsibilities: • Lead IT integration efforts across all phases of mergers, acquisitions, and divestitures, from initial due diligence to post-close stabilization. • Develop and continuously improve the M&A IT Integration Playbook, incorporating industry best practices and lessons learned. • Define integration strategies, create detailed project plans, and ensure adherence to scope, timeline, and budget. • Manage and coordinate cross-functional teams to align IT and business unit objectives during integration projects. • Evaluate and oversee third-party vendors for specialized IT tasks such as application installation, security implementation, and infrastructure upgrades. • Direct the integration of IT systems, software applications, infrastructure, and enterprise platforms, ensuring compatibility and functionality. • Ensure compliance with data privacy regulations and IT security standards throughout the integration process. • Conduct tollgate reviews to monitor progress and maintain disciplined execution of integration projects. • Collaborate with senior leadership to provide updates and ensure alignment with organizational goals. • Identify risks and develop mitigation strategies to address potential challenges during IT integration projects.
2026-04-03T00:00:00Z

Sr. Software Engineer

Knoxville, TN
remote
Permanent
0 - 0 USD / Yearly
Robert Half is hiring! We are looking for a highly skilled Sr. Software Engineer to join our team. This role involves developing and maintaining robust software solutions, including scalable back-end services, APIs, and front-end components. The ideal candidate will have hands-on experience with cloud environments, distributed systems, and modern development frameworks. Responsibilities:• Design and develop scalable back-end services using Python frameworks such as Django, Flask, and FastAPI, as well as Node.js frameworks like Express and NestJS.• Create and manage RESTful and GraphQL APIs to support web application functionalities.• Build and enhance front-end components using React, ensuring seamless integration with back-end systems.• Architect and deploy applications in cloud environments, utilizing services like AWS EC2, Lambda, S3, DynamoDB, and API Gateway.• Develop and maintain microservices and distributed systems to ensure efficient application performance.• Optimize application performance, database queries, and cloud resource utilization for maximum efficiency.• Implement robust authentication, authorization, and security practices in application development.• Set up and manage CI/CD pipelines and containerized deployments using Docker and related tools.• Collaborate with cross-functional teams, including product managers, designers, and DevOps specialists, to ensure project success.• Monitor, troubleshoot, and resolve production issues in cloud-based environments.
2026-03-31T00:00:00Z

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