Top Remote Software Engineer Jobs in Washington DC,

Own and deliver reliable, secure software in a regulated healthcare environment. Drive solutions from ambiguity to production, build automation to reduce developer toil, mentor engineers, champion AI-assisted coding, and optimize database performance and schemas.

The Senior Software Engineer will enhance the Arrive Health Network platform by developing scalable systems, integrating with EHRs, and mentoring team members.

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

Build and optimize on-device search algorithms and offline data delivery systems for mobile and automotive platforms. Implement tile compression and delta update pipelines, integrate cloud and offline products, collect system telemetry, engage with automotive OEMs and suppliers, and define technical roadmaps and design documents for performant offline search on constrained hardware.

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.

Design and build PostHog's observability stack (logs, traces, metrics) to ingest, store, and retrieve petabyte-scale telemetry reliably and cost-effectively. Own product area end-to-end from alpha to GA, make architecture decisions, implement high-throughput distributed systems, and optimize query/storage performance while ensuring data integrity in a multi-tenant SaaS environment.

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

Implement and maintain full-stack features for a career-intelligence platform: architect NestJS/Next.js applications, manage PostgreSQL schemas and queries, build responsive UIs with Tailwind, integrate LangChain-powered AI, implement authentication with Clerk, and create end-to-end tests and automation with Puppeteer to ensure launch readiness and performance.

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.