Top Senior Software Engineer Jobs

Hands-on senior full-stack engineer leading end-to-end delivery across backend services and modern web/mobile UIs. Pair-programs, practices TDD, guides architecture for scalability and observability, mentors developers, collaborates with designers and product, and explores GenAI patterns to improve mobile and cross-platform solutions.

Lead full‑stack delivery across backend services and modern web/mobile UIs. Write and review code, pair program, practice TDD and continuous refactoring, guide architecture for scalability and observability, coach and mentor developers, collaborate with designers and product managers, and experiment with GenAI tooling to evolve AI-powered mobile solutions.

The Staff Software Engineer will design scalable distributed systems for real-time data processing, lead technical initiatives, and mentor other engineers.

Design, build, and implement changes to Stellar Core while working on performance improvements, decentralization, and incentive mechanics. Collaborate on architectures and contribute to code reviews under the Stellar Development Foundation.

The Senior Data Engineer will standardize and reuse data, develop features, create ETL processes, and collaborate with cross-functional teams.

Design and build key components of Stellar Core, improve system performance, collaborate on architecture, and lead technical discussions.

Design and develop key components of Stellar Core while collaborating with team members. Engage in performance optimization and ensure the system's scalability and security.

As a Senior Software Engineer, you will design and develop key components of Stellar Core, enhance blockchain technology, and collaborate with engineering teams.

Lead software development projects, design solutions with various technologies, manage CI/CD pipelines, and ensure compliance with security standards.

Build and scale a mission-driven SaaS platform for critical care: design and develop secure APIs, collaborate with cross-functional teams, contribute to DevOps pipelines, shape application architecture and performance, and ship production-quality code.

Lead full‑stack software development for the Investment Strategy team: maintain and enhance portfolio management systems, implement new features, ensure production reliability, integrate third‑party platforms, and mentor junior engineers while planning large‑scale system expansion and cross‑team collaboration.

As a Staff Software Engineer, you will design and deliver scalable cloud solutions for the Justice and Corrections team, mentoring other engineers while ensuring high-performance systems.

Join Axon as a Senior Software Engineer to develop backend systems, improve reliability, mentor others, and tackle challenging engineering problems in a dynamic environment.

Develop and maintain language frontends for the Joern platform for automated software vulnerability analysis, collaborating with a global team.

Lead the architecture and technical direction for the ETL product line, focusing on large-scale distributed systems, performance optimization, and managing complex technical initiatives.

Lead architecture and development of high-performance, scalable backend systems for Yahoo Mail using Java and C++. Set technical strategy, establish architectural standards, validate AI-generated code, mentor senior engineers, collaborate cross-functionally, and ensure reliability through automated logging, telemetry, and debugging workflows.

Develop, maintain, and enhance complex software systems for U.S. Navy launch test facilities. Design, code, test, debug, integrate, and document software; implement algorithms and database interfaces; support PLCs, data acquisition, control systems, and time synchronization; resolve defects; assist with requirements, system design trade-offs, and test procedures. Field presence for installation, testing, and commissioning; travel ~33%.

Design and implement SDN and routing solutions for a multi-orbit satellite constellation: routing, topology management, fast-reroute, telemetry-driven self-healing, packet forwarding, and observability. Collaborate with RF and silicon teams and mentor junior engineers.

Build and maintain scalable AI-powered developer tools across front-end and back-end stacks. Collaborate with developers and researchers to improve UX and model capabilities, experiment with new AI-assisted coding techniques, and support integrations like notebooks, VS Code plug-ins, CLIs, and containerized environments.

Lead front-end architecture and development, deliver high-quality user experiences, adopt pragmatic AI-assisted workflows, mentor engineers, make technical decisions, and ship production-grade React/TypeScript applications in a fast-moving startup.

As a Senior Software Engineer, you'll build customer-facing software, solve high-impact healthcare challenges, and lead cross-functional projects from design to launch.

Extend and harden Ocient's native geospatial engine: implement and optimize 120+ spatial functions, ensure spherical/geodetic numerical correctness, improve spatial indexing and query performance at trillion-row scale, deepen spatiotemporal operators (trajectory/interpolation), integrate geospatial features with the analytical engine, and produce design docs, tests, and benchmarks.

Core backend developer for a large-scale situational awareness/C2 platform focused on APIs, integrations, and data management. Scale high-performance ETL/data-pipeline services, build new features, cloudify and containerize services, integrate data sources, and collaborate with designers, developers, and users to deliver maintainable, extensible operational solutions.

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.

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.