Top Remote Senior Level Software Engineer Jobs in Washington DC,

Develop and maintain flight and ground station software for satellite communications subsystems. Design and validate constrained-hardware platform applications, improve test coverage and documentation, contribute to architecture and peer reviews, and provide expert support to satellite operations.

The Senior Front-End Engineer will develop and maintain the UI application using React and TypeScript, ensure code quality, debug issues, and collaborate with design teams.

Build and maintain Signal's Android app with strong emphasis on code quality and user privacy. Architect major enhancements, ship features to millions, and contribute immediately to the open-source Android codebase while collaborating across a small, distributed team.

Senior backend engineer responsible for designing and implementing new features, scaling and optimizing the platform, improving Postgres and Elasticsearch performance, fine-tuning LLMs, and making architectural decisions. Collaborate with engineering team, take ownership of features, write performant, maintainable code, and help shape product and infrastructure for data-intensive applications (NLP, search, indexing).

Lead architecture and stabilization of a large-scale, multi-tenant CRM SaaS: own reliability, data-sync correctness, and performance; write production code (~40-50%); drive migration toward event-driven microservices; define observability, CI/CD, and AI-assisted development; mentor senior engineers and coordinate cross-team initiatives.

The Lead Engineer for BI will design data solutions, lead project teams, mentor, and drive BI strategy aligning with business needs.

Lead backend architecture and implementation for Java Spring microservices, validate and own AI-assisted code, mentor engineers, collaborate with product to deliver features, and drive technical excellence and scalable, test-covered systems.

Develop and maintain performant web applications in Go and Vue.js, design and implement RESTful APIs, optimize SQL queries and schemas, collaborate with product and design, participate in code reviews and testing, and work with cloud providers and CI/CD to improve platform performance and reliability.

Design and implement Eon's cloud backup solution for enterprise clients. Lead technical evaluations and POCs, advise on integration, deployment, and tracking strategies, onboard clients, produce technical content, gather feedback to inform product roadmap, and provide occasional onsite support.

Lead design, build, test, and maintain Salesforce applications and integrations. Develop Apex, Visualforce, Lightning components, MuleSoft integrations, APIs, and front-end web components. Refine requirements, troubleshoot, review team code, participate in a Salesforce COE, support Agile delivery, and produce documentation, training, and user support.