Top Software Engineer Jobs in Washington DC,

The Software Engineer will develop and support the MEMX Trading system, focusing on high throughput event-sourcing applications and resolving production issues.

Own and patch Chromium/Firefox C++ source to build an in-house stealth browser. Fix fingerprinting at the engine level (navigator, WebGL, canvas, fonts, Client Hints), eliminate CDP leaks, maintain per-OS fingerprint profiles, continuously rebase patches, build validation tooling, and debug detection issues to keep automation indistinguishable from real users.

As a Staff Software Engineer, you will design and implement backend services, write primarily in Scala, and improve product architecture in collaboration with teams.

You will design and implement scalable backend systems integrating August infrastructure with third-party DeFi protocols while collaborating with engineering teams.

Lead design and solution architecture for SAP S/4 Fashion OTC processes. Configure Order Management, Delivery, Billing, Returns, and integrations (POS, CAR, EDI). Drive fit-to-standard workshops, prepare WRICEF and test plans, support data migration (Syniti), integration testing (CPI), deployment, and post-go-live stabilization. Mentor junior staff and collaborate with vendors and integration/data teams to enable omnichannel and real-time inventory capabilities.

Design and deliver scalable, secure enterprise Java solutions. Produce HLDs/LLDs, define APIs, enforce standards, guide development teams, promote microservices, integrate systems, and collaborate with DevOps for CI/CD and deployment.

Design, architect, and implement production-quality player progression and investment systems in C++ on Unreal Engine 5. Build workflows, tools, and networked systems for long-term player engagement, provide technical guidance, and collaborate with cross-disciplinary teams from pre-production to live operations.

Lead architecture and development of a production React Native mobile app. Build integrations with external APIs and SDKs, ensure performance and app store deployment, champion mobile CI/CD and testing, and mentor engineers while shipping features in a fast-paced startup.

The Software Sr Engineer will develop Android applications, ensuring high test coverage and clean code principles, while leading code reviews and collaborating with a technical team.

As a Senior Software Engineer, you will work across the stack to create scalable and reliable systems for tracking freight intelligence, influencing architecture, mentoring, and collaborating with various teams.