8 results for Mainframe jobs

Mainframe Systems Programmer

Saint Paul, MN
remote
Temporary
43.5385 - 50.413 USD / Hourly
We are looking for a skilled Mainframe Systems Programmer to join our team. This role involves designing, developing, and maintaining both purchased and custom application solutions utilizing advanced iSeries technologies, including DB2/400 and RPG/400. As part of this long-term contract position, you will collaborate with IT developers, contract programmers, and customers to deliver innovative solutions that meet business needs. Responsibilities:• Design, develop, and implement application solutions using iSeries technologies such as DB2/400, CL/400, and RPG/400.• Apply business knowledge to develop and support individual software components, ensuring they align with functional requirements.• Collaborate with internal and external stakeholders to plan, analyze, and execute detailed designs for applications.• Conduct testing, review, and implementation of computer and business applications to ensure functionality and reliability.• Create and maintain technical documentation for application components following established lifecycle methodologies.• Manage and coordinate physical changes to databases, leveraging expertise in database management systems.• Independently handle development tasks while providing support and enhancements to deployed applications.• Offer training and guidance to other IT developers on newly developed systems.• Lead projects that interface with vendors and customers, ensuring effective communication and delivery of solutions.
2026-04-03T00:00:00Z

Java Back End Developer

Chicago, IL
remote
Temporary
50 - 60.6 USD / Hourly
We are looking for a skilled Back End Developer to join our team on a long-term contract basis in Chicago, Illinois. In this role, you will contribute to the development and enhancement of mobile application back-end services for a large enterprise client. This is an opportunity to work within a collaborative environment alongside front-end and data specialists, focusing on impactful solutions. Responsibilities: • Design, build, and maintain scalable back-end services using Kotlin and Java. • Develop APIs and configure endpoints for production environments. • Collaborate with front-end and data teams to ensure seamless integration across systems. • Utilize modern frameworks and tools such as Ktor, Gradle/Maven, Liquibase, JUnit, and KoTest. • Work within cloud-native environments, leveraging platforms like AWS Elastic Beanstalk, Lambda, and Postgres. • Implement trunk-based development workflows through GitHub to ensure efficient and collaborative coding practices. • Troubleshoot and resolve technical issues to maintain system reliability and performance. • Participate in code reviews and contribute to the continuous improvement of development processes. • Follow best practices for software development to deliver high-quality, maintainable code.
2026-03-06T00:00:00Z

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

Full Stack Web Developer

Addison, IL
onsite
Permanent
95000 - 100000 USD / Yearly
We are looking for a skilled Web Developer to join our team in Addison, Illinois. In this role, you will design, develop, and maintain web applications, ensuring optimal functionality and user experience. This position offers the opportunity to work on dynamic projects that blend front-end and back-end development. Responsibilities: • Develop and maintain web applications using C#, ASP.NET, and VB to meet business needs. • Create responsive and visually appealing user interfaces using JavaScript, HTML, CSS, and Bootstrap. • Collaborate with cross-functional teams to define requirements and deliver high-quality solutions. • Optimize application performance and troubleshoot issues to ensure smooth functionality. • Implement database solutions and manage Microsoft SQL Server to support application data needs. • Utilize Visual Studio for coding, debugging, and deploying software applications. • Ensure code quality and maintainability by following best practices and standards. • Participate in testing and quality assurance processes to ensure robust and reliable applications. • Provide technical support and resolve issues related to web applications. • Stay updated on industry trends and emerging technologies to continually enhance development processes.
2026-03-24T00:00:00Z

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

Frontend Developer

Hudson, MA
onsite
Permanent
100000 - 120000 USD / Yearly
Front-End Developer (Vue.js / React / Angular + C#)We’re looking for a Front-End Developer who enjoys building modern, user-friendly applications and working across a full-stack environment. This role focuses primarily on front-end development using Vue.js, but we are equally open to candidates experienced with React or Angular, as long as they also bring strong C#/.NET skills to the table. About the RoleIn this position, you’ll work closely with product and backend teams to build interactive, high-performing web applications. You’ll contribute to UI development, API integration, and help shape the architectural direction of our front-end codebase. If you’re passionate about clean code, modern frameworks, and collaborating on end‑to‑end software solutions, this role is a great fit. Responsibilities<ul><li>Develop intuitive and responsive user interfaces using Vue.js, React, or Angular</li><li>Work hands-on with C#/.NET to integrate front-end features with backend services</li><li>Collaborate with designers, product managers, and backend engineers to deliver high‑quality features</li><li>Optimize components for performance, accessibility, and cross-browser compatibility</li><li>Consume and integrate RESTful APIs and backend services</li><li>Participate in code reviews, design discussions, and architectural planning</li><li>Troubleshoot and resolve application issues across the stack</li><li>Contribute to improving development processes, tooling, and frontend architecture</li></ul>
2026-03-27T00:00:00Z

FrontEnd Developer

Southfield, MI
onsite
Temporary
0 - 0 USD / Yearly
OverviewThe Front-End Developer is responsible for building engaging, responsive, and user‑friendly web interfaces. This role works closely with designers, product managers, and backend engineers to translate UI/UX designs into high‑quality code. The ideal candidate is highly proficient in modern front‑end frameworks, follows best practices, and is passionate about delivering seamless experiences across devices and platforms. Key Responsibilities<ul><li>Develop, test, and maintain responsive web interfaces using HTML, CSS, and JavaScript.</li><li>Implement front‑end features using modern frameworks such as React, Angular, or Vue (based on company stack).</li><li>Collaborate with UI/UX designers to translate prototypes and wireframes into functional digital experiences.</li><li>Optimize applications for performance, scalability, accessibility, and cross‑browser compatibility.</li><li>Create reusable components, patterns, and front‑end architecture that support scalability.</li><li>Troubleshoot and debug UI issues and improve user experience.</li><li>Integrate front‑end components with backend APIs and services.</li><li>Maintain version control and follow established code review processes (Git, GitHub, GitLab, Bitbucket).</li><li>Stay up to date on best practices, new technologies, and modern web standards.</li><li>Partner with product and engineering teams to ensure technical feasibility and align on project requirements.</li></ul>
2026-03-16T00:00:00Z

FrontEnd Developer

Grand Rapids, MI
onsite
Temporary
0 - 0 USD / Yearly
OverviewThe Front-End Developer is responsible for building engaging, responsive, and user‑friendly web interfaces. This role works closely with designers, product managers, and backend engineers to translate UI/UX designs into high‑quality code. The ideal candidate is highly proficient in modern front‑end frameworks, follows best practices, and is passionate about delivering seamless experiences across devices and platforms. Key Responsibilities<ul><li>Develop, test, and maintain responsive web interfaces using HTML, CSS, and JavaScript.</li><li>Implement front‑end features using modern frameworks such as React, Angular, or Vue (based on company stack).</li><li>Collaborate with UI/UX designers to translate prototypes and wireframes into functional digital experiences.</li><li>Optimize applications for performance, scalability, accessibility, and cross‑browser compatibility.</li><li>Create reusable components, patterns, and front‑end architecture that support scalability.</li><li>Troubleshoot and debug UI issues and improve user experience.</li><li>Integrate front‑end components with backend APIs and services.</li><li>Maintain version control and follow established code review processes (Git, GitHub, GitLab, Bitbucket).</li><li>Stay up to date on best practices, new technologies, and modern web standards.</li><li>Partner with product and engineering teams to ensure technical feasibility and align on project requirements.</li></ul>
2026-03-16T00:00:00Z