Top Software Engineer Jobs in Washington DC,

Design, develop, test, and deploy SAPUI5 applications and configure SAP Build Work Zone. Integrate UIs with SAP backends via OData/REST, optimize performance, troubleshoot production issues, document solutions, and participate in agile ceremonies.

Lead full‑stack engineering work to design, build, and maintain core product features (React/Next.js, Node.js, Firebase, GCP). Drive architecture, deployment, testing, performance, and developer experience. Mentor engineers, conduct code reviews, collaborate with CTO and product, support customers, and help scale the product and engineering culture.

Lead design and delivery of scalable Salesforce architectures and integrations. Translate business requirements into technical solutions, define data/security models, oversee CI/CD and release governance, and drive reusable architecture assets and documentation.

As a Senior Software Engineer, you'll build and optimize our algo trading platform, requiring expertise in both frontend and backend systems, high throughput design, and experience with trading systems.

Design and develop scalable full-stack solutions, collaborate with teams to translate business requirements, and ensure code quality through reviews and testing.

Develop, optimize, and maintain the marketing website, ensuring high-quality user experiences through responsive design and best practices, while collaborating with various teams.

Build and maintain end-to-end web, backend, and mobile features using NestJS, Next.js, and React Native. Design APIs, implement data models and background jobs, collaborate with product/design, contribute to CI/CD and deployments, participate in code reviews, and ensure performance, reliability, and testability across services.

Lead architecture, implementation, operation, and scaling of customer-facing eCommerce systems (Shopify-centered), payment and subscription workflows, analytics/attribution instrumentation, and integrations. Provide hands-on technical leadership, establish engineering best practices, ensure security and reliability, and partner cross-functionally to support DTC growth and long-term platform needs.

Build the realtime, HIPAA-compliant messaging and collaboration frontend ('Pulse') that makes an AI colleague feel human. Implement complex interactive data visualizations, micro-interactions, and high-performance accessible interfaces. Work embedded with product and design, own UI quality, iterate on AI-driven specs, and deliver production frontend experiences clinicians will trust.

As a Senior Fullstack Engineer, you'll architect and build a high-concurrency auction engine, leveraging AI for enhanced user experiences and system reliability.