Top Remote Senior Level Software Engineer Jobs in Washington DC,

Lead technical direction for patient-facing mobile and web products, rapidly prototype and ship features with product/design/clinical teams, mentor engineers, set architecture and development standards, and use AI tools to improve patient engagement, retention, and outcomes.

Design and build scalable full-stack features: high-performance Node/Go backend services, responsive React+TypeScript frontends, gRPC/REST APIs, background workers, SQL optimization, caching, Terraform-based AWS infrastructure, and mentor engineers while contributing to architecture, tests, and documentation.

Lead software design, architecture, and delivery for a government program: own end-to-end build, integrate optimization/analytics, manage unclassified-to-secure transfer, coordinate PM/SMEs/data scientists, lead a small engineering team, and ensure deployments with CI/CD and security practices. Customer-facing role requiring hands-on coding and program accountability.

Design, build, and maintain payment integrations and a reconciliation data platform for high-volume restaurant transactions. Implement terminal-to-cloud flows, ingestion pipelines, matching engines, reporting UIs, and payment analytics. Provide technical leadership, documentation, and mentor teammates to ensure reliable settlement and reconciliation.

Lead software design, architecture, and delivery for a defense-focused program: gather requirements, drive technical vision, coordinate cross-functional teams, implement front-end data-visualization features, integrate analytics/optimization, and manage unclassified-to-secure deployment and CI/CD to deliver working, government-deployable software.

Manage day-to-day telecom operations and a team supporting enterprise voice, unified communications, and contact center platforms. Oversee implementations, upgrades, vendor/carrier relationships, telecom expense management, incident resolution, reporting, and cost optimization to ensure reliable, secure, and scalable telecom services across stores, contact centers, and corporate locations.

Design, implement, test, deploy, and operate core protocol features and Rust-based consensus clients. Own full lifecycle delivery, build conformance and adversarial tests, execute safe protocol upgrades, resolve availability/performance issues, and collaborate cross-functionally while maintaining high standards for correctness and security.

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.

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