Top Software Engineer Jobs in Washington, DC

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.

Lead design and implementation of cloud-based backend systems for global antenna scheduling, customer-facing APIs, billing/metering, and orchestration. Build reliable, scalable control and data planes across cloud and on-prem, collaborate with customers and operations, and enable secure TT&C and payload data transfer.

Serve as the sole QA resource in a classified environment to validate and certify platform releases. Design and execute end-to-end/system test plans and automation, maintain test configurations and lab environments, partner with development and release teams, review changes in test/staging, and ensure critical customer workflows remain functional for weekly releases.

Lead and manage an API engineering team owning core services for Fundrise investor applications. Set technical direction, coach engineers, drive architecture, ensure production quality, security, monitoring, and coordinate cross-team delivery.

Design, build, and maintain scalable CI/CD workflows and GitOps deployments using GitHub Actions, Argo CD, and Kubernetes. Embed AI-powered tooling into developer workflows, enforce GitHub governance, lead incident response and root-cause analysis, collaborate with engineering and SRE teams, and mentor engineers to improve developer experience, reliability, and deployment safety.

Design, build, test, deploy, and support scalable full‑stack applications across web, mobile, backend, cloud, automation, and AI use cases. Lead technical discovery, define architecture and implementation plans, implement CI/CD and DevOps practices, integrate AI capabilities, standardize QA and testing, debug and resolve complex issues, and collaborate with stakeholders to influence platform design and roadmaps.

Design, build, and operate Peregrine's cloud platform to improve performance, reliability, security, and cost-efficiency. Own infrastructure projects end-to-end, automate region/environment provisioning, implement autoscaling and right-sizing, harden security and compliance controls, improve incident response, and create developer-facing tooling and documentation. Mentor junior engineers and influence cross-team technical decisions.

As a Forward Deployed Software Engineer, partner with high-impact public sector customers by developing full-stack applications and providing technical guidance throughout the project lifecycle.

The Senior Software Engineer will enhance Speechify's product experiences by building and optimizing services and SDKs, collaborating with product teams, and improving system efficiency.

Lead the design and development of Windows desktop applications, focusing on architecture, accessibility, and best practices, ensuring quality and performance across releases.

Lead design and implementation of compliance and multi-region deployments, build IaC (Terraform/Atmos) for AWS/GovCloud, develop full-stack features (TypeScript/React Native), establish shift-left tooling, ensure architectural consistency across regulated and commercial environments, drive cross-team technical initiatives, troubleshoot distributed systems, and produce documentation and audit-ready standards.

Design, build, and maintain cloud-native full-stack applications and backend services that support investment risk analysis. Own end-to-end delivery, contribute to architecture, apply automated testing and CI/CD, collaborate with stakeholders, reduce technical debt, and ensure reliable, observable data and analytics for portfolio risk and simulations.

Lead design, build, and operate government-facing production data pipelines that process Muon IR mission imagery and deliver to NRO/IC. Integrate Muon data platform with US Government and classified systems, own NITF formatting and metadata, ensure security/accreditation compliance, write production code, validate product quality, and coordinate across engineering, operations, and government stakeholders.

Lead design, development, and management of software and database applications supporting USAF wargaming. Provide systems engineering, supervise developers and IT staff, manage LAN and ISSM/ISSO functions, advise leadership, and improve wargame infrastructure and post-game analysis.

Lead the redesign and modernization of legacy applications, resolve complex issues, mentor teams, and maintain stakeholder relationships in a dynamic environment.

As a Sr. Software Engineer, you will improve existing code, solve performance issues, mentor team members, and develop web applications using Java and Spring.

Build and own user-facing product experiences (Search, Dossier, Maps, Dashboards, etc.), collaborate with design and product, ship fast, reliable full‑stack features, integrate AI/semantic discovery, optimize latency and resilience, and iterate with deployment and users.

Lead development and maintenance of React-based enterprise web applications; own architecture and code quality; mentor engineers; plan and estimate work; integrate vendor/customer hardware; modernize healthcare IT and continuously improve development processes.

Build systems to stream and translate Unity content into other renderers while preserving visual fidelity and performance. Design compact scene-state representations, compression strategies, and stable, scalable rendering pipelines. Profile and optimize end-to-end rendering for high framerates, tackle shader translation and resource lifetime, and work across graphics, networking, distributed systems, and AI-assisted workflows.

Design and implement runtime protocols, formats, and systems to capture, serialize, stream, and replay interactive 3D content across engines. Own C++ runtime and C# APIs across editor, build, simulation, streaming, and playback. Optimize for low-latency, determinism, memory and bandwidth constraints, and build AI interfaces for inspecting and invoking engine state.

Lead backend engineer to design, build, and re-architect GEICO's billing platform (billing engine, invoicing, payments, collections, commissions, CRM/subscriptions). Own system design, quality, performance, and scalability; provide technical guidance across billing teams, identify and mitigate risks, collaborate with product/design, and mentor engineers.

As a Senior Software Engineer, you'll design architecture, mentor engineers, and drive the adoption of AI practices to enhance development workflows and system reliability.

As a Missions Software Engineer, you'll collaborate with defense customers to integrate and operationalize vehicle intelligence products, tackling software engineering, hardware integration, and project execution challenges.

As a Lead Software Engineer, you will integrate Applied Intuition's vehicle intelligence products with defense and government customers, overseeing technical execution for complex systems.

The role includes leading a team of database engineers, designing and optimizing Oracle databases and AWS data services, and overseeing data migration efforts. Responsibilities involve collaboration across teams, performance tuning, and managing production support.