Top Senior Software Engineer Jobs

Design and implement scalable, maintainable features across frontend, services, and persistence layers. Translate product needs into technical plans, lead feature delivery, enforce quality through testing and reviews, debug production issues, improve developer tooling and automation (including AI-assisted workflows), mentor engineers, and align cross-functional stakeholders to deliver reliable outcomes.

Design and implement scalable, high-performance web applications and microservices for a distributed content management SaaS platform. Collaborate in a cross-functional Scrum team, influence architecture, tune for scale, troubleshoot cross-browser/platform issues, mentor junior engineers, and deliver production-quality code.

Design, implement, and evolve features for the Epic Games Launcher desktop application. Architect system interfaces, collaborate with product/design/QA/backend teams, ship production Rust software, maintain and debug existing codebases, and lead cross-team initiatives to improve scalability, stability, and user experience.

Design, architect, implement, and maintain features for the Epic Games Launcher desktop application. Build and evolve tools and desktop/web apps, collaborate cross-team with Product, Design, QA, and backend services, ship large initiatives, hunt and fix bugs, and ensure scalable, efficient, and user-focused production software (strong Rust experience required).

Lead and mentor engineers to design, develop, and implement scalable consumer-banking applications. Build modern, maintainable components and distributed services, follow Agile practices, contribute to architecture and design decisions, and ensure quality, scalability, and manageability across full-stack solutions.

Build and ship end-to-end frontend features for Muon Space's Mission Command platform in a TypeScript monorepo. Collaborate with backend and product teams, participate in design and code review, maintain CI/CD and static analysis practices, and support post-launch observability, reliability, and performance for mission-critical web applications.

Technical leader responsible for designing, developing, testing, and supporting scalable web applications and services. Mentor engineers, drive engineering best practices, participate in production support/on-call, and collaborate with stakeholders to deliver cloud-native, secure, and high-performance solutions using Java/Angular, APIs, containers, and AWS CI/CD.

Senior software developer supporting IRS mission-critical Java/middleware applications. Duties include production support, troubleshooting application and integration issues, incident response, release support/validation, enterprise API and microservices development, middleware (IBM webMethods), container orchestration (OpenShift/Kubernetes), application modernization, and Agile/DevSecOps collaboration. Occasional onsite support for meetings, deployments, or knowledge transfer is required.

Senior software developer responsible for implementing application-layer currency and supportability updates for middleware and microservices — including JDK/runtime upgrades, dependency remediation, certificate and credential updates, OpenShift/Linux compatibility, CI/CD and developer validation, rollback planning, and technical documentation.

Design, implement, and own large-scale, real-time distributed platform components for ad auctions. Lead cross-team engineering, set architecture and roadmaps, build scalable features, optimize performance, support production issues, participate in planning and code reviews, and mentor junior engineers.

Collaborate with design, PMs, and partners to create and implement high-quality ads UX. Build a cross-platform, versatile rendering UX library/package. Use data processing and monitoring to analyze system performance and drive improvements across the full ads stack.

Lead technical strategy and architecture for Azure Storage geo-replication, data protection, failover orchestration, and business continuity. Drive cross-team delivery, operational excellence, telemetry, automation, AI-assisted operations, and represent the team in executive and customer engagements.

Design, implement, test, and maintain software for a new Scholarship Granting Organization platform. Partner with Product and Engineering to define requirements, write and review code, use AI coding tools, mentor teammates, and deliver reliable solutions in a .NET/Angular environment.

Build and maintain high-performance backend services for a real-time bidding DSP. Optimize distributed, low-latency systems handling millions of queries per second, integrate ML inference into production, improve scalability and observability, participate in design and code reviews, mentor junior engineers, and maintain high engineering quality and reliability.

Design, develop, and maintain Scala/Java web services for ArcGIS Workflow Manager. Produce secure, scalable REST APIs (including websockets), write unit tests, participate in code reviews and agile ceremonies, assist with AWS deployments for the SaaS offering, and implement features in related languages as needed.

Volunteer senior engineer to develop a cross-platform medical/wellness app (web, iOS, Android). Own full SDLC: design, coding, testing, data models, pipelines, deployments, and collaborate in Agile processes. Attend weekly standups and commit at least 4 hours weekly.

Design, build, and own cloud-native, microservices-based payment platforms and customer-facing applications. Influence architecture, ensure security and scalability, mentor engineers, and drive high-quality delivery from design through production.

Lead full-stack development of customer-facing features across React/TypeScript frontends and Python backends; design and deliver AI-powered capabilities (LLM integrations, agentic workflows, MCP/A2A tooling); set technical standards, mentor engineers, collaborate with product/design/platform teams, and drive initiatives from design through production.

Design, implement, test, and deploy full‑stack software for commercial lab/medical products. Serve as secondary technical lead, shape architecture, build front‑end and back‑end services, APIs, CI/CD pipelines, automated tests, and support cloud and on‑prem deployments while collaborating with product, science, and cross‑functional teams.

Participate on a 6-10 person product team to design and build user-centered frontend and backend software. Develop solutions using Java/Spring, apply test-driven development and CI/CD, work in Agile, and collaborate with UX and product to deliver scalable distributed systems.

Design, build, and maintain material-tracking and real-time data collection systems and backend web services. Optimize databases, troubleshoot applications, document workflows, automate tasks, improve data visibility, coordinate with R&D and production stakeholders, and follow software engineering and security best practices to support manufacturing productivity.

Lead developer experience and AI tooling across engineering: evaluate and deploy AI coding assistants, build LLM-powered agents and automations, speed up CI/CD and developer inner-loop, design ephemeral dev environments, define developer productivity metrics, and partner with application and data teams to increase engineering velocity.

Lead strategy and execution for developer experience and AI tooling: deploy AI coding assistants, build LLM-powered agents and automations, improve CI/CD and developer inner loop, create ephemeral environments, instrument developer productivity metrics, and partner with engineering and data teams to drive adoption and measurable impact.

Lead strategy and hands-on execution for developer experience and AI tooling. Build LLM-powered agents, speed up CI/CD and developer inner loops, create ephemeral environments, define developer productivity metrics, and partner with engineering and data teams to drive adoption and measure impact.

Lead and deliver design, development, integration, testing, deployment, and sustainment of mission-critical NOAA Marine Operations software. Provide architecture and technical leadership across C#/.NET, JavaScript, databases, Windows and web environments; manage Agile delivery, testing, release, configuration, and troubleshooting; mentor developers and coordinate with cybersecurity, infrastructure, and operational stakeholders.