Top Software Engineer Jobs in Washington DC,

Build and improve scalable, secure, performant web applications and data pipelines for healthcare challenges. Develop technical roadmaps with engineering, product, and business stakeholders using Agile processes. Mentor junior engineers, conduct thorough code reviews, and promote observability, testing, alerting, metrics, and frequent incremental releases. Work with large-scale data processing, databases, APIs, cloud technologies, containerization, orchestration, and CI/CD systems.

Build scalable full-stack applications integrating healthcare insights with browser-based and Windows EHR systems. Develop products using FHIR and HL7 interoperability standards, collaborate on technical roadmaps, and implement performant solutions. Mentor junior engineers, conduct code reviews, make technical decisions, and partner with engineering, product, and business stakeholders using Agile processes.

Own and expand a Three.js/R3F in-browser solar configurator: build and optimize 3D geometry tools and UX, collaborate with backend and simulation teams, ensure performant real-time rendering, and deliver frontend product features across the Aether platform.

Own and expand a Three.js-based in-browser solar configurator, build and optimize 3D geometry and design workflows, implement frontend product features, collaborate with backend and computational teams, and ensure performant, stable, and intuitive 3D UX.

Own and expand a Three.js-based in-browser solar configurator: implement and optimize 3D geometry tools and workflows, build product-facing frontend features, collaborate with backend and computational teams, translate solar physics into usable design tools, define frontend/3D architecture, and ensure performant, stable UX across edge cases.

Create and optimize high-quality, mobile-optimized character shaders and material workflows in Unity URP. Develop master materials, tools, and editor extensions (C#). Profile and debug performance on iOS/Android, collaborate with artists on look development, and ensure efficient rendering across mobile devices.

Develop and configure enterprise-scale digital software solutions for asset performance management and predictive analytics. Responsibilities include translating customer requirements into software architectures, designing and implementing applications, documenting solutions, testing technologies, supporting customer implementations, and collaborating with subject matter experts, project managers, product managers, and development teams. The role also involves presentations, scalable application development, secure distributed architectures, and occasional customer project travel.

Own and extend an Elixir and Phoenix backend powering a building configurator, pricing engine, structural calculations, and internal tools. Implement numerically complex business logic, background processing, database functionality, third-party integrations, authentication, testing, CI/CD, code reviews, and releases. Work independently while communicating decisions and progress clearly with the backend lead and front-end developer.

Design and deliver scalable, secure enterprise Java solutions. Produce HLDs/LLDs, define APIs, enforce standards, guide development teams, promote microservices, integrate systems, and collaborate with DevOps for CI/CD and deployment.

Design and deliver enterprise-grade Java-based solutions and architectures. Produce HLD/LLD, guide development teams, define APIs/integration, enforce security and performance best practices, and collaborate with stakeholders and DevOps on CI/CD and deployments.

Lead design and delivery of scalable, resilient distributed systems. Act as technical authority across teams, mentor engineers, drive architecture and CI/CD best practices, troubleshoot production issues, optimize performance, and enhance observability while writing production-grade Java.

Build backend APIs, Go services, data pipelines, and agent infrastructure for Vega, LaunchDarkly’s AI-powered observability platform. Design sandboxed agent execution, usage metering, dashboard creation capabilities, and enterprise data integrations. Own features from design through production, operate high-throughput systems, contribute to architecture and code quality, mentor teammates, collaborate cross-functionally, and participate in on-call rotations.

Lead senior engineering teams responsible for ZoomInfo’s operational and analytical data platforms. Set strategy, architecture, and roadmaps for Bigtable, BigQuery, ingestion pipelines, CDC systems, reliability, scalability, observability, and compliant customer data deletion. Manage technical leaders, develop engineering talent, prioritize competing initiatives, and partner with executives, product, legal, compliance, security, and downstream engineering teams to accelerate data onboarding and maintain platform integrity.

Audit backend services, APIs, databases, queues, and data flows for scalability and reliability issues. Identify bottlenecks, document findings, and implement production fixes including code refactoring, schema redesign, caching, indexing, query optimization, and service restructuring. Partner with engineers through pairing, reviews, and handoffs. Conduct performance and load testing while improving system latency, resilience, and infrastructure efficiency.

Design, build, and maintain backend services in TypeScript for millions of users; develop full‑stack features with React/React Native; participate in code reviews; provide technical leadership, mentorship, and architecture guidance; collaborate with PM and design; use monitoring/metrics and Agile practices to deliver scalable, user-focused products.