Top Software Engineer Jobs

Develop and maintain AWS-based software using managed services to support mission-critical defense programs. Must hold TS/SCI with polygraph and meet extensive SWE experience and education requirements. Direct-hire only.

Senior software engineer to develop and maintain Linux/Java-based services using JAX-RS/REST with JSON/XML. Requires strong build/tooling experience (Maven, Eclipse, Git/GitLab), support daily engineering tasks, and contribute to mission-critical defense systems. Active TS/SCI with polygraph and 20 years SWE experience required.

Seeking an experienced Java software engineer to join a mission-focused team supporting national security. Build and maintain Java/REST services on Linux using Git, Gradle, Guice, Docker. Work may include limited front-end UI tasks (Angular/TypeScript). Requires active TS/SCI with polygraph and extensive SWE experience.

Develop and maintain Java-based distributed systems using MapReduce and cloud technologies. Work with GhostMachine and QTA to deliver mission-focused software for national security customers. Requires producing reliable solutions, collaborating with engineering teams, and meeting program requirements under strict security constraints.

Senior-level software engineer role building AWS-based solutions for national security programs. Requires deep software development experience, active TS/SCI with polygraph, U.S. citizenship, and eligibility for direct hire. Position emphasizes reliability, mission focus, and producing production-ready systems.

Mid-level software engineer to support a defense program: develop and maintain Zabbix integrations and scripts using Python and Java in a Linux/CSC environment. Must hold active Top Secret/SCI with favorable polygraph and be a U.S. citizen. Direct hires only.

Design, implement, and optimize data ingress/egress and distributed processing pipelines. Build and orchestrate scalable workflows using Apache Airflow and Spark, perform data wrangling and validation with Python (pandas/NumPy), query large datasets with SQL, and automate tasks via Linux/Bash. Ensure data quality and use tooling like Jupyter and Git to support analytics workloads.

Lead customer-facing software engineer responsible for developing, deploying, and administering mission-critical satellite communication systems. Focus on C++/Python development, Kubernetes cluster design/operation (Rancher/RKE2), GPU technologies, advanced Linux administration, automation with Ansible, networking, CI/CD/GitOps, and RF data processing. Collaborate with cross-functional teams, gather stakeholder requirements, and ensure secure, highly available deployments. Requires active Top Secret/SCI with polygraph, 20 years software engineering experience, and a relevant bachelor’s degree.

Develop and maintain cloud-based software solutions using AWS managed services. Work with big data technologies (Hadoop, Accumulo), infrastructure as code (Terraform), and backend languages (Java, Python). Support mission-critical systems for national security; candidate must hold active Top Secret/SCI with favorable polygraph and meet required education/experience thresholds.

Lead pre-silicon system software bring-up and validation on simulation platforms. Develop automation, tools, and workflows to improve simulation-based development, debug complex cross-stack issues, enable teams to use virtual platforms, and drive platform readiness for new chips in early-development environments.

Contribute to design, development, testing, deployment, and support of full-stack applications. Assist with requirements, code reviews, incident resolution, and integrating AI/GenAI/ML capabilities in a collaborative agile environment.

Develop, deploy, and maintain desktop and web applications supporting emergency planning and atmospheric-response missions. Participate in full SDLC, conduct peer code reviews, produce technical documentation, collaborate with scientists and stakeholders, and provide technical solutions. At the senior level, design large-scale systems, mentor team members, author technical reports, and resolve complex ambiguous technical challenges.

Design, prototype, develop, and implement web and desktop user interfaces using modern web technologies. Collaborate with data engineers, analysts, and customers to build and optimize front-end applications, ensure cross-browser compatibility, and integrate with RESTful APIs and relational databases to support DoD data-driven operations.

Develop, maintain, and enhance complex software systems for federal customers. Debug, design, implement algorithms and database interfaces, lead teams, integrate COTS/GOTS, run tests, and communicate with customers including demos and daily scrums.

Design, develop, and maintain front-end and back-end components, server-side logic, databases, and APIs. Collaborate with product and architecture teams, write clean code, perform code reviews, debug and optimize applications, and stay current with emerging technologies and AI tools.

Contribute to backend services, APIs, and platform features; write, test, and debug code; participate in code reviews; troubleshoot lower-environment issues; follow engineering standards; collaborate with product, QA, and engineering teams; build knowledge of platform architecture to grow toward independent ownership.

Design, implement, and ship full-stack AI-powered applications on Unframe's platform. Collaborate with customers and internal teams to extend platform UI/UX, integrate AI capabilities, and deliver clean, tested, production-ready features.

Design, develop, test, and deliver backend payments platform software. Maintain architecture integrity, build automated tests and CI/CD pipelines, perform spike/proofs-of-concept, mentor engineers, and automate release activities while meeting compliance and non-functional requirements.

Develop and maintain an AWS-hosted healthcare payments platform: design and implement RESTful services, automated test suites, and CI/CD pipelines; perform spikes/proofs-of-concept; automate releases; mentor engineers; ensure solutions meet functional, non-functional, and compliance requirements in an Agile environment.

Designs, develops, and tests Android applications and architecture components for large-scale merchant/payment platforms. Delivers stories, mentors teammates, implements CI/CD and automated tests, performs spikes, automates releases, and ensures compliance and maintainability.

Design and build accessible, high-performance web applications using React and TypeScript. Collaborate with UX/UI and back-end teams, write automated tests, optimize performance, follow Git workflows, mentor teammates, and meet security and accessibility requirements.

Design and build user-centric web applications using React and TypeScript. Ensure cross-browser accessibility (WCAG/508), implement testing and performance optimizations, collaborate with UX and backend teams, mentor developers, follow Git workflows and CI practices, and meet security clearance requirements.

Lead a team to design, develop, and deliver end-to-end software solutions using Agile methods. Build and modify applications, write source code, automate workflows, implement testing and CI/CD practices, mentor engineers, and ensure solutions align with architecture and operational needs. Work requires TS/SCI with polygraph and a bachelor's in CS or engineering.

Develop and maintain accessible, responsive front-end applications using React, Vue, and TypeScript. Collaborate with UI/UX designers and back-end developers to build scalable interfaces, ensure cross-browser/device compatibility, follow security and accessibility requirements, write clean test-driven code, and participate in Agile team practices.

Designs, develops, maintains, and tests complex software systems for DoD/IC programs. Troubleshoots issues, implements CI/CD and DevSecOps automation, integrates across Windows and UNIX/Linux, and contributes to system-level design decisions.