Top Software Engineer Jobs in Washington DC,

Design and scale backend systems, lead architecture discussions, develop APIs, and ensure system reliability and security, while mentoring others.

Lead and mentor engineering teams in developing a SaaS solution for dental practice management, focusing on system architecture, code quality, and integrating AI tools.

The Senior Software Engineer will design and build scalable technology platforms, contribute to architectural decisions, and apply strong security practices in a collaborative environment.

Lead a small cross-functional engineering pod to design and implement end-to-end features, define testing strategy, reduce technical debt, mentor junior engineers, participate in customer discovery, and drive AI-assisted development practices to improve team throughput and quality.

Lead development of native iOS features (food tracking, activity logging, weight trends, AI-driven insights), deliver premium UI/UX with modern Apple frameworks, own flagship initiatives (Lock Screen Widgets, Live Activities, health data integrations), shape app architecture and standards, and collaborate cross-functionally while mentoring engineers.

The Mobile Engineering Manager will lead a team in building consumer mobile apps, focusing on quality and performance while collaborating with Product and Design teams.

Own and evolve the front-end architecture for a high-throughput, real-time trading app using Next.js, React, and TypeScript. Build pixel-accurate, accessible, responsive UIs under strict performance budgets; optimize rendering, state management, data flow, and bundle size for sub-second interactions. Integrate with REST and WebSocket APIs, lead end-to-end feature development, set engineering standards, mentor engineers, and contribute across the stack when needed.

The Senior Backend Engineer will design and build scalable cloud-native backend systems for real-time monitoring and automation in HVAC operations, owning the entire lifecycle of services and mentoring junior engineers.

Hands-on senior full-stack engineer to design and build a greenfield, HIPAA-compliant healthcare platform. Ship end-to-end features using Python/Django and React/Next.js, integrate AI/agent workflows, implement secure logging, RBAC, and PHI-safe communications, and collaborate with product and operations to improve patient outcomes and scale care.

Work across frontend and backend to design, build, and ship annotation and review features; implement ingestion, storage, user management, and annotation pipelines; integrate model inference into workflows; optimize performance for large images/videos; design APIs and collaborate with product, operations, and annotators.