Top Remote Software Engineer Jobs in Washington DC,

As a Backend Engineer, you will develop and scale PostHog's billing system to support growth, implement flexible billing models, and ensure accurate financial reporting. You'll focus on automating processes and handling complex data modeling.

Design and build features across a React/TypeScript frontend and Go backend for real-time dispatch systems. Implement WebSocket-driven tracking, GIS integrations, multi-tenant architectures, performance and state management improvements, production debugging, and collaborate with Product and Operations to deliver agency commitments.

Design, implement, and operate low-latency, high-throughput C++, Go, and Python services for real-time sensor ingestion, tracking, inference, and data pipelines. Build IPC/messaging interfaces, optimize data structures and Protobuf serialization, deploy containerized services on Kubernetes (Argo/Helm) in GCP, and implement observability, testing with historic/simulated data, and end-to-end O&M.

The Senior Software Engineer designs and develops software applications, optimizes APIs and databases, collaborates with teams, and ensures code quality through various testing practices.

Design and build performant, accessible frontend solutions across web apps, email campaigns, kiosks, and interactive experiences. Collaborate with UX and backend teams, write maintainable tested code, drive test automation and performance optimization, maintain codebases, and mentor junior engineers.

Lead one or more engineering teams owning mission, execution, code quality, and morale. Partner with product managers on roadmaps, remove roadblocks, improve processes, coach and grow engineers, and drive innovation while delivering high-traffic full-stack or data applications at scale.

Design and build React-based applications, support component design and deployment practices, implement data storage and scalable performance optimizations, work with clients and technical leads, apply UI/UX principles, testing at all levels, collaborate on code reviews and agile delivery.

Embed with U.S. government and military customers to deploy, integrate, debug, and maintain C2 software in austere operational environments. Build integrations, troubleshoot distributed systems, contribute to core services, support on-call and nonstandard hours, and travel extensively to ensure mission reliability and deliver field-driven product improvements.

Build end-to-end production features across backend, frontend, and database. Integrate LLM APIs and agentic workflows into products and internal developer tools. Improve CI/CD, deployment, and developer infrastructure. Debug production issues on GCP and containerized services; participate in code reviews and architecture discussions on a small collaborative team.

Lead architecture and implementation of a high-performance OLAP query engine and semantic layer: design a JSON-based DSL and compiler, generate optimized SQL for columnar databases, build distributed caching, tune JVM and low-level performance, and provide technical leadership and documentation.