Top Software Engineer Jobs

Design, build, test, integrate, and sustain secure mission-critical software for DoD systems. Collaborate with cross-functional teams, apply DoD/security standards, containerize and integrate third-party software, perform troubleshooting and documentation, and support deployment and maintenance.

Develop, test, and maintain software for missile defense systems. Collaborate with cross-functional teams, write and review code, integrate components and APIs, support deployments, and produce technical documentation across the software development lifecycle.

Design, refactor, and test mission-critical Navy tactical software into a modern microservices and cloud-native stack. Work on legacy code modernization, prototype AI/ML solutions, integrate components, support lab and field testing, elicit requirements, participate in architecture and code reviews, and follow DevSecOps and Agile practices to deliver production-ready tactical systems.

Design, develop, test, and integrate high-quality software for defense customers. Convert requirements, implement solutions across stacks, ensure secure coding, participate in reviews, support lab integration and delivery of contractual deliverables.

Lead technical direction for a Ruby on Rails-based platform, design cross-cutting systems (data models, APIs, clinical workflows), write full-stack code, mentor engineers, evaluate tradeoffs, collaborate with product/design/clinical teams, and champion high standards and domain expertise in pediatric behavioral health.

Develop and maintain enterprise software applications, focusing on back-end development, API development, and ensuring application security while contributing to software improvement processes.

Develop, sustain, and troubleshoot GHOSTGEM software suite; implement, test, and integrate applications with COTS/GOTS/FOSS; write scripts, build containerized services, use CI/CD, and support deployments on Kubernetes.

Design, develop, test, deploy, and maintain serverless, microservice-based applications in AWS. Collaborate with mission partners and Agile teams to define requirements, troubleshoot and document features for Intelligence Community projects.

Design, implement, and maintain full-stack web applications. Build frontend components and backend services using Java, Spring Boot, Hibernate/JPA, TypeScript/JavaScript and REST APIs. Perform database design and SQL/Oracle querying, version control with Git, optimize UI performance and accessibility, analyze system performance, define requirements, coordinate with developers, and research emerging technologies in an Agile environment to support government missions.

Lead design and delivery of scalable backend systems, APIs, and data orchestration for global compliance. Own features end-to-end, ensure reliability, mentor engineers, participate in on-call, and collaborate cross-functionally to drive product and architecture decisions.

Designs, develops, tests, debugs, and integrates complex software systems. Analyzes requirements, implements algorithms and database interfaces, ensures quality control, and leads multiple development teams. Works with system/hardware engineers, applies ITOM/ITSM/HRSD/CSM knowledge, and codes using HTML/CSS/JavaScript while evaluating COTS/GOTS/FOSS tools.

Develop, maintain, and enhance complex software systems; design, code, debug, and test software components; customize and implement ServiceNow (ITSM/ITOM/HRSD/CSM) solutions and integrations using REST/SOAP; write scripts, business rules, ACLs, and queries; lead development teams; produce documentation; collaborate with systems and hardware engineers; ensure performance and deployment meet system requirements.

Lead and mentor a software engineering team on the NIGHTRAVEN program. Manage sprints, testing, release documentation, coordinate with customer and PMO, drive DevOps pipeline (Jira, Jenkins, Docker, Git, Nexus), facilitate test environments, and manage release candidates in a SCIF environment.

Develop and maintain DIAMONDS and other enterprise applications using C# and Oracle/PL/SQL. Participate in full software lifecycle (design, coding, testing, configuration management, release, IV&V support), build WPF/Prism features, apply secure coding and static analysis tools, support sustainment and customer-facing requirements gathering, and follow CMMI/Agile processes and Git/Azure DevOps workflows.

Design, implement, and optimize scalable data ingress/egress and distributed processing pipelines using Apache Spark and Airflow. Develop and automate data workflows with Python, Java, and Bash on Linux; perform data wrangling, validation, and preprocessing (pandas/NumPy); query large datasets with SQL; and use Jupyter and Git for development and collaboration. Work onsite with TS/SCI polygraph clearance.

Design, develop, test, troubleshoot, and sustain a mission-focused enterprise web application in a containerized Kubernetes Linux environment. Collaborate with product, system, and project engineers; implement REST APIs, CI/CD pipelines, and Helm-based deployments; maintain code in Git and automate tasks with Bash/Python scripts.

Full Stack JavaScript developer to build and maintain single-page applications and backend microservices. Work includes Vue front-end, Node.js/Nest.js back-end, REST APIs, CI/CD and build tools, Agile development, deployment, testing, and lifecycle maintenance. Must obtain TS/SCI with polygraph and work onsite in VA.

Design, build, and maintain scalable, secure full-stack systems. Develop REST/GraphQL APIs and microservices, containerize with Docker and Kubernetes, manage relational and NoSQL databases, implement CI/CD pipelines, optimize backend performance (caching, load balancing, queueing), integrate front-end (React/Lit) with back-end, and recommend emerging backend technologies. Support AI model integration via Python as needed. Must possess TS/SCI with polygraph and work onsite in McLean, VA.

Senior software developer for NYS eMedNY Medicaid system. Design, develop, test, document, maintain and support mainframe applications using COBOL, CICS, DB2 and SQL. Produce SDLC artifacts, estimate effort, resolve production issues, and ensure compliance with healthcare MMIS and EDI (X12/NCPDP) standards while working in a hybrid team environment.

Lead design and integration of secure, enterprise geospatial systems for DoD/intelligence environments. Architect GIS solutions, implement CI/CD and containerization, ensure RMF/STIG compliance, integrate geospatial services and databases, support AI/ML model integration, perform code and QA reviews, and mentor engineering teams.

Lead modernization of a COBOL-based Medicaid MMIS claims processing system to a Java AWS-hosted solution. Design and develop full-stack web applications, web services, and APIs; migrate COBOL to AWS; apply AWS AI/mainframe modernization tools; support claims development and R&M activities; mentor engineers and collaborate with NCTracks team; implement CI/CD, automated testing, and cloud-native architectures.

As a Software Engineer Intern, you'll design and develop scalable solutions, collaborate on features, and enhance our developer platform with innovative technologies.

Interns will design and maintain developer tooling, collaborate on features, and contribute to the application lifecycle, focusing on cutting-edge technologies.

Design, implement, and optimize software across ground station edge systems, high-bandwidth data pipelines, cloud orchestration, APIs, front-end, monitoring, telemetry, infrastructure/pipelines, production-line testing, FPGA/embedded interactions, and simulation/orchestration tools for a global phased-array ground station network.

Build and scale Rails backend services, contribute to a TypeScript/Lit frontend and client SDK, develop API integrations with banking platforms, prototype and ship features, maintain secure AWS infrastructure, and collaborate on architecture with a small senior engineering team.