Top Remote Senior Level Software Engineer Jobs in Washington DC,

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

Lead the design and development of full-stack solutions for prescription decision-making, maintain backend systems, mentor engineers, and ensure system scalability.

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.

Lead and run engineering delivery end-to-end: own planning cadences, track projects, surface risks, command incident responses and run blameless RCAs, own delivery metrics, coach and grow engineers, run hiring pipeline, and enable the founder by removing operational load.

Design and implement developer-facing UI from Figma to production using Hotwire (Turbo + Stimulus) and ViewComponents. Own the dashboard, API playgrounds, docs, marketing site, and data visualization. Optimize performance and bundle size, maintain a coherent component system, and ship polished, production-ready front-end with tests and CI/CD.

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

Lead architecture and implementation of scalable web applications using NestJS and Next.js. Build and optimize PostgreSQL schemas and queries, implement responsive UIs with Tailwind CSS, integrate LangChain-driven AI features, manage authentication with Clerk, and create end-to-end tests and automation with Puppeteer to ensure launch readiness and reliable user experiences.

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.

Lead design and delivery of scalable, resilient distributed systems. Act as technical authority across teams, mentor engineers, drive architecture and CI/CD best practices, troubleshoot production issues, optimize performance, and enhance observability while writing production-grade Java.

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.