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13 results for Full Stack Software Engineer in Mahwah, NJ

Application Development - Full-Stack Developer IV

Morristown, NJ
onsite
Temporary / Contract
55 - 75 USD / Hourly
We are looking for a skilled Full-Stack Developer to join a Long-term Contract opportunity in Morristown, New Jersey. In this role, you will create secure, scalable applications that support digital banking experiences across commercial and consumer services. The position blends modern front-end engineering, backend API development, cloud-based delivery, and AI-assisted software creation to help drive efficient, high-quality outcomes. Responsibilities: • Build and enhance banking applications that support areas such as onboarding, payments, fraud-related workflows, and customer servicing across digital platforms. • Use AI-enabled development tools to speed up solution design, coding, testing, and technical documentation while maintaining quality and maintainability. • Create responsive user interfaces with modern web technologies and frameworks to deliver consistent experiences across desktop and mobile devices. • Develop and support backend services, integrations, and APIs using C#/.NET and Python within secure, scalable architectures. • Own delivery activities across the software lifecycle, including prototyping, solution design, development, testing, and CI/CD execution. • Partner with cloud and infrastructure teams to deploy applications across environments, strengthen monitoring practices, and support cost-aware engineering decisions. • Investigate defects, resolve performance issues, and implement upgrades that improve application reliability, scalability, and security. • Prepare clear technical documentation for design reviews, operational handoff, and production support readiness. • Follow applicable banking regulations, compliance standards, and internal reporting expectations, including required training and escalation of suspicious activity when needed.
2026-06-10T00:00:00Z

Software Engineer

New York, NY
onsite
Temporary / Contract
79.1635 - 91.663 USD / Hourly
We are looking for a Software Engineer to join a team building and enhancing modern web applications in New York City, New York. This Long-term Contract opportunity is ideal for someone who enjoys developing reliable, scalable solutions across both front-end and back-end environments. The role focuses on creating high-quality software, collaborating with cross-functional partners, and contributing to continuous improvements throughout the development lifecycle. Responsibilities: • Design, build, and maintain software applications using C#, .NET, and ASP.NET technologies. • Develop responsive user-facing features with JavaScript and React.js to deliver an intuitive application experience. • Collaborate with product, engineering, and business stakeholders to translate requirements into effective technical solutions. • Write clean, testable, and maintainable code while following established development standards and best practices. • Troubleshoot application issues, identify root causes, and implement timely fixes to support stable system performance. • Participate in code reviews and contribute ideas that improve application quality, usability, and long-term maintainability. • Support enhancements, updates, and technical changes as part of ongoing application development efforts. • Document technical designs, implementation details, and development updates to support team knowledge sharing.
2026-06-08T00:00:00Z

Senior Software Engineer

New York, NY
onsite
Temporary / Contract
50 - 75 USD / Hourly
OverviewWe’re partnering with a team building modern, AI-driven applications across a layered architecture. They need a full stack engineer who can move comfortably between front-end, services, and emerging AI integrations. The environment leans toward newer technologies, so adaptability matters more than strict stack alignment. What You’ll Work On<ul><li>Build and maintain front-end applications using Angular and TypeScript</li><li>Develop scalable APIs and business logic within a .NET Core / C# service layer</li><li>Contribute to modern Java-based microservices (no legacy stack)</li><li>Support and integrate AI-driven features built in Python, including LLM-powered workflows</li><li>Design and implement data flows for RAG (Retrieval-Augmented Generation) use cases</li><li>Collaborate across product and engineering teams to evolve architecture and delivery</li></ul>Core Tech Environment<ul><li>Frontend: Angular, TypeScript</li><li>Backend: .NET Core (C#), Java (modern services)</li><li>AI Layer: Python, LLM integrations, Google ADK (Agent Development Kit)</li><li>Architecture: Full stack, microservices, API-driven</li></ul>
2026-06-04T00:00:00Z

C++ Software Engineer

Danbury, CT
onsite
Permanent / Full Time
150000 - 170000 USD / Yearly
We are looking for an experienced Software Engineer to join a machinery manufacturing organization in Danbury, Connecticut. In this role, you will build and enhance software for complex equipment, partnering across disciplines to deliver reliable, high-performance solutions. The position calls for a strong background in object-oriented development, real-time system design, and practical problem-solving in technically demanding environments. Responsibilities: • Design, develop, and maintain software for complex machinery and mechatronic systems across the full product development life cycle • Create robust applications primarily in C++ while contributing to related development efforts involving C#, JavaScript, and React.js where needed • Engineer software components that operate within real-time environments and support dependable system performance • Collaborate with mechanical, electrical, and software teams to define requirements and deliver integrated solutions using a systems-level perspective • Diagnose and resolve challenging cross-functional issues affecting software behavior, controls, and overall system operation under demanding timelines • Participate in Agile planning, development, and review activities to ensure steady progress and effective team coordination • Develop and execute testing and quality assurance activities to verify functionality, reliability, and performance • Communicate technical concepts clearly to both engineering and non-technical stakeholders, including project updates for leadership • Contribute to software solutions that interact with web-based services and enterprise data platforms when required
2026-05-15T00:00:00Z

Software Developer (Javascript, Python, Ruby)

Monroe, NY
onsite
Permanent / Full Time
110000 - 140000 USD / Yearly
About the Role:We are seeking a versatile and forward-thinking Full Stack Developer to join our dynamic team. The ideal candidate will be proficient across multiple programming languages and frameworks, with a strong foundation in AI integration, testing, and performance optimization. This role requires a developer who thrives in a fast-paced environment and is passionate about building secure, scalable, and innovative web applications. Key Responsibilities:<ul><li>Design, develop, and maintain full stack applications using Ruby, Ruby on Rails, Python, Django, HTML, CSS, and JavaScript.</li><li>Integrate AI frameworks, APIs, and plugins to enhance application capabilities.</li><li>Conduct thorough debugging, unit testing, and regression testing to ensure code quality.</li><li>Ensure applications meet security and compliance standards, including US and EU regulations.</li><li>Implement and manage payment systems integration.</li><li>Perform load testing to validate performance under high traffic conditions.</li><li>Collaborate with cross-functional teams to define and implement web architecture (preferred but not required).</li></ul>
2026-06-05T00:00:00Z

Principal Software Engineer

Edison, NJ
remote
Temporary to Hire
87.0865 - 100.837 USD / Hourly
We are looking for a Principal Software Engineer to join our team in Edison, New Jersey. In this role, you will be responsible for shaping the technical direction of our connected equipment platform while delivering high-quality software solutions. This Contract to permanent position offers the opportunity to lead impactful projects, collaborate with cross-functional teams, and contribute to the modernization of our systems. If you're passionate about scalable systems, enjoy mentoring others, and thrive in a fast-paced environment, this could be the perfect opportunity for you. Responsibilities: • Provide technical leadership and mentorship to software engineers, fostering collaboration and a culture of excellence. • Develop and implement innovative solutions for complex engineering challenges to enhance system performance. • Build robust mobile, front-end, and back-end software components for our connected equipment platform. • Write clean, efficient, and scalable code, ensuring reliability and optimal performance. • Drive the transition from monolithic systems to scalable microservices architectures, modernizing the platform. • Lead efforts in system architecture design, database development, and strategic technical decisions. • Collaborate with Product Managers to define and prioritize features, ensuring alignment with business goals. • Work closely with senior leadership to address critical business needs through technology. • Partner with QA engineers to deliver thoroughly tested and user-focused software solutions. • Stay up-to-date with emerging technologies, recommending tools and frameworks to improve productivity.
2026-06-04T00:00:00Z

Senior Data Engineer

Greenwich, CT
onsite
Permanent / Full Time
140000 - 160000 USD / Yearly
We are looking for an experienced Senior Data Engineer to strengthen our data ecosystem in Greenwich, Connecticut. This role will drive the development of reliable, scalable data pipelines, reporting capabilities, and platform enhancements that support critical business operations. The ideal candidate brings deep expertise in Microsoft-based data environments, strong SQL and ETL skills, and a practical approach to solving complex integration challenges. Responsibilities: • Build, enhance, and tune data pipelines, integration workflows, and core data platforms to support scalable and dependable information delivery. • Translate business needs into technical solutions by partnering with internal teams and external vendors on data integration, reporting, and analytics initiatives. • Create and implement automated processes that reduce manual effort, improve accuracy, and increase operational efficiency across data-related functions. • Oversee production data jobs, investigate failures, resolve high-priority issues, and participate in after-hours support when needed. • Produce technical design documents, process specifications, and operational documentation to promote consistency, maintainability, and knowledge sharing. • Develop and deploy reporting and dashboard solutions that improve visibility into business performance while maintaining appropriate access controls and data security. • Lead the ongoing improvement of database and integration performance, with attention to scalability, reliability, and long-term platform stability. • Contribute to cloud-oriented data engineering efforts, including support for modernization initiatives involving services such as Azure-based platforms. • Support application and data connectivity by implementing and maintaining API-based integrations where required.
2026-05-27T00:00:00Z

Cloud/Azure Engineer

Poughkeepsie, NY
onsite
Temporary / Contract
52.25 - 60.5 USD / Hourly
We are looking for a Cloud/Azure Engineer to support modern cloud data platforms and engineering initiatives in New York. This long-term contract opportunity is ideal for someone who can design, build, and improve Azure-based solutions while working closely with technical and business stakeholders. The role focuses on scalable data architecture, automation, platform reliability, and secure cloud operations across enterprise environments. Responsibilities: • Design, build, and maintain cloud solutions using Microsoft Azure services with an emphasis on Synapse, Azure Data Factory, Databricks, and related platform components. • Develop and enhance data pipelines, transformation workflows, and integration processes to support reliable movement and processing of enterprise data. • Create and optimize cloud architectures that support data warehousing, data lake environments, and efficient analytical workloads. • Implement automation and deployment practices through CI/CD pipelines using tools such as Azure DevOps, GitHub Actions, or similar technologies. • Monitor platform health, investigate issues, and resolve performance bottlenecks using Azure monitoring and diagnostic tools including Azure Monitor and Log Analytics. • Apply cloud security, governance, and compliance standards to ensure Azure resources are configured and managed according to organizational requirements. • Write and maintain scripts in PowerShell, Python, or Bash to automate administration, orchestration, and operational tasks. • Partner with cross-functional teams to gather technical requirements, communicate design decisions, and deliver solutions aligned with changing priorities. • Travel to local sites as needed and support occasional physical handling of equipment or materials up to 35 pounds.
2026-06-10T00:00:00Z

Cyber Security Engineer

Maryknoll, NY
onsite
Permanent / Full Time
100000 - 108312 USD / Yearly
We are looking for a Cyber Security Engineer to strengthen and oversee the organization’s security posture in New York. This role is suited to an experienced, detail-oriented individual who can assess risk, guide security practices, and protect systems across a mixed technology environment. The ideal candidate brings strong judgment, technical depth, and the ability to communicate clearly with stakeholders while handling sensitive matters with discretion. Responsibilities: • Lead day-to-day security efforts by identifying vulnerabilities, analyzing threats, and coordinating timely remediation activities across systems and networks. • Evaluate the security of Windows and macOS environments, including patch management practices, endpoint protections, and configuration standards. • Monitor network activity and security controls such as firewalls and related tools to help prevent unauthorized access and reduce operational risk. • Investigate potential incidents, determine the scope of exposure, and drive response actions to contain and resolve security issues effectively. • Review third-party security documentation, including SOC 2 reports, to support vendor risk assessments during contracting and procurement processes. • Help develop, maintain, and reinforce information security policies, standards, and procedures in alignment with regulatory and organizational requirements. • Partner with IT teams, leadership, and internal users to communicate security recommendations, report findings, and support informed decision-making. • Contribute technical and analytical expertise to strengthen monitoring capabilities, improve risk visibility, and support ongoing security program maturity.
2026-06-03T00:00:00Z

Senior Systems Engineer

Brooklyn, NY
onsite
Temporary to Hire
45 - 65 USD / Hourly
FULLY ONSITE REQUIRED- 5 DAYS IN OFFICE- BROOKLYN Top Required Skills<ol><li>Virtualization, server infrastructure, and enterprise storage systems (VMware, Hyper-V, Azure, Windows Server)</li><li>Automation, monitoring, scripting, and RMM platforms (NinjaOne and similar MSP tools)</li><li>Network architecture and security including routing, switching, VLANs, VPNs, firewalls, and wireless infrastructure</li></ol> Key Responsibilities:- Design, deploy, and support virtualization, server, storage, networking, and cloud infrastructure- Configure and optimize enterprise storage, replication, backup, and disaster recovery solutions- Implement, maintain, and improve automation, monitoring, and RMM platforms including NinjaOne- Manage and support hybrid cloud environments integrating on-premises infrastructure with Azure, AWS, and Microsoft 365 services- Troubleshoot and resolve complex infrastructure, networking, virtualization, cloud, and performance issues- Configure and support routing, switching, VLANs, VPNs, firewalls, and wireless networking solutions Required Skills:- Strong experience designing and supporting virtualization platforms, enterprise storage systems, and high-availability infrastructure- Strong experience supporting cloud platforms including Microsoft Azure, Amazon Web Services (AWS), and Microsoft 365 environments- Strong understanding of network architecture, switching, routing, VLANs, VPNs, firewalls, wireless infrastructure, and WAN connectivity across enterprise networking platforms including Cisco, Ubiquiti, Peplink, and similar technologies- Experience with automation, monitoring, scripting, and RMM platforms such as NinjaOne and other MSP-focused tools- Strong troubleshooting and problem-solving skills across servers, storage, networking, and cloud environments Preferred Experience:- Familiarity with high-availability, replication, and business continuity strategies- Experience working in MSP or multi-client environments- Experience supporting both cloud and on-premises infrastructure
2026-06-09T00:00:00Z

Software Developer(C#)

Stamford, CT
onsite
Permanent / Full Time
100000 - 150000 USD / Yearly
We are looking for a Software Developer to join a services team in Stamford, Connecticut. This position is suited for someone who enjoys building reliable applications, working closely with colleagues across disciplines, and turning technical requirements into practical software solutions. The ideal candidate brings solid experience with modern Microsoft development tools, a strong foundation in object-oriented programming, and the ability to contribute effectively in a collaborative environment. Responsibilities: • Build, enhance, and support software applications using C# and modern .NET technologies in alignment with business and technical objectives. • Design clean, maintainable solutions by applying sound object-oriented programming practices and established software design methods. • Review technical specifications and external documentation to create and maintain integrations with third-party platforms and services. • Develop, test, and refine database queries while working with relational data structures to ensure accuracy and performance. • Collaborate with technical teams and business stakeholders to clarify needs, communicate progress, and deliver effective solutions. • Manage multiple assignments at the same time while meeting deadlines and maintaining consistent quality within a team-based setting. • Contribute to web interface development using component-based or server-rendered frameworks such as Blazor or Razor when needed. • Support data access and application persistence efforts through tools such as Entity Framework Core and related .NET capabilities. • Participate in source control and code review practices using Git-based workflows to promote code quality and team collaboration.
2026-06-04T00:00:00Z

Software Development Project Manager

New York, NY
onsite
Temporary / Contract
75 - 75 USD / Hourly
We are looking for a skilled Software Development Project Manager to lead and oversee projects within the Dynamics 365 platform. The ideal candidate will combine technical expertise with strong leadership skills to drive successful project outcomes. Responsibilities:• Design and implement customizations, extensions, and integrations within the Dynamics 365 platform to meet specific project needs.• Utilize tools such as X++, C#, JavaScript, Power Platform, Logic Apps, and Azure Functions to create scalable and efficient solutions.• Conduct code reviews to ensure adherence to best practices, security standards, and performance requirements.• Collaborate with distributed teams, including onshore and offshore resources, to ensure timely and effective delivery of technical tasks.• Work closely with functional consultants to translate business requirements into actionable technical specifications.• Develop and configure integrations between Dynamics 365 and external systems using APIs and Azure services.• Customize Dynamics 365 modules to align with unique business processes and requirements.• Troubleshoot and resolve technical challenges, offering guidance to team members on complex issues.• Identify opportunities for process improvement and contribute to the optimization of existing codebases.• Stay up-to-date with the latest Dynamics 365 updates and innovations, incorporating them into development efforts
2026-06-11T00:00:00Z

Data Engineer

New York, NY
onsite
Temporary / Contract
75 - 75 USD / Hourly
We are looking for a skilled Data Engineer to join our team on a long-term contract basis. In this role, you will play a critical part in managing and organizing data systems, ensuring they are optimized for performance and scalability. Based in New York, New York, this position offers an exciting opportunity to work on cutting-edge data platforms and contribute to impactful business solutions. Responsibilities: • Design, develop, and maintain data pipelines to support efficient data integration and processing. • Implement and manage Snowflake-based data repositories to centralize and secure organizational data. • Utilize Palantir to standardize and analyze data across multiple divisions, ensuring consistency and accuracy. • Develop ETL processes to extract, transform, and load data from various sources into centralized systems. • Collaborate with stakeholders to define data requirements and optimize system performance. • Leverage tools like Apache Spark, Hadoop, and Kafka to build scalable data solutions. • Monitor and troubleshoot data systems to ensure reliability and address any issues promptly. • Deploy advanced analytics and AI models to drive operational efficiencies. • Document processes and provide technical support to ensure smooth implementation and usage of data systems.
2026-06-11T00:00:00Z