Top Software Engineer Jobs in Washington, DC

Develop and maintain immersive VR training experiences using Unity and C#. Collaborate with product, design, art, and research to translate training content into scalable VR and mobile simulations. Contribute to features from concept through release, participate in code reviews and sprint planning, improve tools and pipelines, debug gameplay/UI/performance, and prototype new technologies.

Build and deliver user-facing features across frontend and backend. Own projects end-to-end, design APIs and database schemas, collaborate with designers and engineers, participate in code reviews, and work with end users to meet operational needs.

As a Senior Software Engineer on Substrate, you will design and build managed Kubernetes product offerings, ensuring scale, security, and stability across various environments, while emphasizing automation and operational excellence.

In this role, you will drive infrastructure strategy, build APIs for network infrastructure, and improve Kubernetes networking and observability systems.

Design, develop, and maintain scalable serverless backend services (AWS Lambda) for grading and feedback. Build RESTful APIs and event-driven systems, optimize performance and cost, integrate with frontend teams, implement CI/CD with GitHub Actions, perform code reviews, mentor junior engineers, and troubleshoot production issues.

Design, integrate, and deploy autonomy software on UAV platforms across SIL/HIL and live tests. Interface with sensors, autopilots, datalinks, and embedded Linux systems; troubleshoot integrations; collaborate with vendors and DoD customers; support flight testing and demonstrations.

The Full Stack Software Developer will design, develop, and maintain web applications, APIs, and utilize AWS for deployments. Responsibilities include coding, collaboration, testing, and documentation adhering to modern engineering practices.

Seeking a self-motivated software developer for modern web app development, integration, and testing, primarily using Java and cloud platforms.

The DevOps Software Engineer will develop CI/CD pipelines, manage cloud-based microservices, work with Kubernetes and Jenkins, and ensure seamless delivery in an Agile team setting.

The Senior QA Software Engineer ensures software quality through automated and manual testing, focusing on automation frameworks establishment and enhancing software quality standards.

As a Full Stack Software Engineer, you will assist in design decisions, collaborate on product ideation, and help develop a world-class fintech product for senior care payments.

Design and implement secure multi-cloud infrastructure and applications, supported by engineering principles and DevOps practices for the Air Force.

The Senior Full-Stack Software Engineer will design and develop software products, collaborate with data scientists, and instill development best practices.

The Software Developer is responsible for developing, testing, and debugging software applications, working with backend frameworks, and resolving software issues while supporting agile methodologies.

Design, build, deploy, troubleshoot, and maintain enterprise web and automation applications for CBP OFAM. Develop data-driven solutions, work with SQL and APIs, gather stakeholder requirements, create documentation, and support sustainment in a federal, on-site environment.

Design and implement identity infrastructure for secure authentication and authorization. Manage SSO, MFA, SAML/OAuth/OIDC/JWT, and authorization models (ReBAC/ABAC/RBAC). Work with auditors/security to enforce governance and compliance (NIST, SOC2, ISO 27001). Build and operate IAM controls using IaC and cloud platforms, and provide technical guidance to stakeholders.

Lead development and maintenance of infrastructure tooling and services for core backend systems, champion SRE best practices, design cross-cutting reliability initiatives, guide teams on robust system design, and perform security reviews for new projects and technologies.

As a Cleared Software Engineer, you will build demo-able features for logistics systems, extend APIs, design data models, manage data pipelines, and collaborate with cross-functional teams to improve engineering practices.

Build and operate a multi-account AWS developer platform using Terraform and Terraform Enterprise. Provision and manage EKS clusters, shared services (GitLab, Artifactory), CI/CD pipelines, and self-service automation. Support MLOps workloads, observability, and security compliance (CMMC, NIST, FIPS) while collaborating with product teams to enable scalable, secure infrastructure and developer tooling.

Develop and maintain Rust-based systems software for an autonomous drone platform. Design low-latency, high-reliability services across networking, protocols, embedded platforms, and AI/ML integration. Work with simulation environments and collaborate with ML engineers to enable autonomy features under constrained, real-world conditions.

Lead frontend architecture and design for high-availability cloud services, drive AI-first engineering practices, mentor engineers, integrate AI-assisted tools, and optimize web performance, observability, and operational efficiency while collaborating with Product and Design.

Contribute to development and maintenance of secure, mission‑critical applications under senior guidance. Participate in design, coding, testing, debugging, documentation, and DevSecOps pipeline integration. Support system integration, troubleshooting, and government‑compliant development workflows to deliver features used by investigators and analysts.

Lead end-to-end integration and deployment of vehicle intelligence products for defense customers, spanning software engineering, OS configuration, system deployment, and hardware integration. Design scalable architectures, collaborate with product and engineering teams, and own technical outcomes in fast-changing, operational environments to ensure mission success.

As a Staff Software Engineer, you will lead the design and development of critical systems for a real-time crime center application, mentor other engineers, and ensure the integration and performance of complex cloud systems.

The Staff Software Engineer will lead technical efforts for new enterprise products, mentor engineers, and ensure high-quality, scalable architectures in collaboration with Product Management and Design teams.