Top Software Engineer Jobs in Washington DC,

Build and maintain full-stack features across Django/Python backends, React frontends, databases, and shared components. Develop AI-assisted engineering systems using context files, reusable skills, hooks, CI gates, and automated verification. Coordinate concurrent agent workstreams, identify architectural and logic issues, manage dependencies, and improve development processes while balancing technical debt, quality, and feature delivery.

Build and evolve Restate’s durable execution runtime, focusing on distributed systems, state management, storage, messaging, concurrency, fault tolerance, performance, and reliability. Design, test, operate, and improve production-scale backend infrastructure; diagnose complex systems issues; develop integrations and tooling; collaborate with production users; and contribute to architecture, observability, documentation, and engineering practices.

Set technical direction for distributed messaging systems handling billions of messages daily. Make architecture decisions balancing scale, cost, and reliability; solve ambiguous cross-team problems; establish engineering standards; mentor senior engineers; improve processes and tooling; assess candidates; and use AI agents for multi-file software changes.

Owns Shopify checkout and post-purchase extensions, experimentation reporting, and revenue-critical APIs across PHP, TypeScript, MySQL, BigQuery, and Google Cloud. Designs secure REST services, investigates production issues, participates in on-call, and maintains unit and end-to-end testing without a separate QA handoff. The role requires Staff-level technical ownership, system-wide architectural judgment, AI-assisted development, mentoring, and collaboration in a remote, high-autonomy environment.

Leads and mentors cross-functional engineering teams building and operating distributed, API-driven, cloud-native platforms. Owns technical strategy, architecture, delivery outcomes, engineering excellence, operational reliability, and API lifecycle governance. Drives Agile, DevOps, cloud migration, observability, and incident management practices. Establishes responsible AI adoption across software development and guides delivery of AI-enabled products, including agentic solutions, with appropriate evaluation and controls.

Develop and maintain scalable backend infrastructure, data models, APIs, features, and core internal capabilities. Write tested, reliable code; create software testing and validation procedures; resolve customer issues; and design elegant systems with strong observability, SLAs, and scalability. The role primarily focuses on backend engineering while collaborating with application and front-end engineers.

Designs and develops full-stack features for a network-management microservices platform. Responsibilities include building C#/.NET services, APIs, Kubernetes workloads, web interfaces, deployment automation, monitoring tools, and secure DevSecOps solutions. The role contributes to architecture, technical specifications, documentation, and AI-assisted development workflows while collaborating with product owners and external stakeholders.

Designs, develops, and governs secure Microsoft Power Platform solutions for federal customers. Translates mission requirements into application architectures, data models, integrations, and technical documentation. Provides hands-on development, technical oversight, deployment support, testing, troubleshooting, and security controls. Collaborates with program leaders, developers, business analysts, and government stakeholders in Agile environments while ensuring compliance with NIST, FISMA, and agency standards.

Build and maintain full-stack donor-facing giving forms, campaign tools, administrative features, and payment flows across Stripe, ACH, and digital wallets. Own features from technical design through deployment, testing, and production support. Collaborate with product, design, and engineering partners in an Agile environment, contribute to code quality and team initiatives, and participate in rotational support and on-call coverage.

Develop, maintain, support, troubleshoot, and optimize enterprise mainframe applications using COBOL, CICS, JCL, DB2, and VSAM. Handle incidents, service requests, and change requests across waterfall and agile projects. Provide technical documentation, evaluate implementation options, resolve complex application and integration issues, and guide junior team members.