Top Software Engineer Jobs in Washington DC,

Software Engineering Interns will build and deploy full-stack product features using React, Node.js, SQL, and cloud technologies. Responsibilities include developing search and collaboration workflows, integrating AI capabilities, creating responsive interfaces, instrumenting applications, participating in code reviews and post-mortems, and collaborating with product and design teams. The role is onsite in Washington, DC and requires shipping production features with mentorship.

Build and maintain Cloudflare’s globally distributed Quicksilver key-value store using Go and C. Develop features, improve CPU and memory performance, enhance monitoring and operational tooling, and debug complex, hard-to-reproduce issues across the software stack. Responsibilities include code reviews, testing, deployments, rollbacks, operations, alerting, and on-call support for a system operating across tens of thousands of servers and hundreds of data centers.

Build and ship full-stack government software, including AI-powered product features, Palantir integrations, and reliable platforms serving federal agencies. Responsibilities include technical architecture, end-to-end feature ownership, translating agency requirements, setting engineering standards, mentoring engineers, and operating systems under classified data and compliance constraints.

Leads Deepgram’s GTM Engineering function, owning CRM, CPQ, forecasting, billing, data, integrations, automation, and internal tooling. Translates commercial needs into scalable systems and AI-powered workflows, establishes engineering standards, connects usage and revenue data, and partners with Product, Engineering, Finance, and Data teams. This player-coach role designs, codes, tests, ships production systems, and develops a small team while prioritizing automation and operational leverage.

Lead and grow a 6–8 person engineering team building cloud-native backend systems, distributed platforms, and ML tooling for federal customers. Split time between technical execution and people management, collaborate cross-functionally, ensure federal compliance and security, engage with customers, and contribute to product and platform roadmap. Must be eligible for TS/SCI clearance and commute to office three times weekly.

Design and implement C++ features for MongoDB’s replication infrastructure, improving availability, recovery, consistency, performance, and fault tolerance. Diagnose distributed-systems issues, develop comprehensive tests, collaborate across engineering teams, participate in design and code reviews, and mentor junior engineers. The role involves owning technical work from investigation through delivery and contributing to major MongoDB releases.

Develop and scale full-stack web applications for Toast’s digital storefront, including online ordering and website products. Design solutions, improve performance and usability, collaborate with Product and Design, run experiments, resolve critical issues, and contribute to API design, testing, and cross-team product integration.

Build and maintain Vue.js interfaces for Openly’s insurance platform, supporting agents and internal users. Responsibilities include implementing UX initiatives, developing administration interfaces, integrating REST and GraphQL APIs, simplifying technical designs, contributing to architectural decisions, testing applications, identifying technical risks, and collaborating across product and engineering teams.

Build and operate GitLab’s Rust-based Knowledge Graph backend supporting SDLC and code indexing, graph queries, MCP endpoints, AI agents, and analytics. Integrate with Rails, ClickHouse, NATS JetStream, and Data Insights systems. Improve reliability, observability, scalability, and operational readiness through testing, metrics, runbooks, alerts, and on-call participation. Collaborate asynchronously across product, data, infrastructure, security, and AI teams while contributing to system design and occasional Ruby or frontend work.

Build and operate Dragos’s web application, GraphQL and gRPC APIs, and client SDKs. Develop React and TypeScript features, design versioned API contracts, maintain Python, TypeScript, and Go SDKs, and collaborate with Product, Design, and backend engineering. Improve performance, accessibility, observability, security, testing, and code quality while supporting security data at scale.