Senior Software Developer Jobs

Experienced software engineer with TS/SCI eligibility needed to lead design and development of high-performance, scalable systems using Golang and modern engineering practices for advanced signal-processing programs.

Lead developer productivity efforts at n8n by optimizing our pnpm TypeScript monorepo, improving local builds and CI hygiene, and driving adoption of best-in-class dev tooling.

Help architect and build Zapier’s first-generation SDK and developer platform, balancing scale, reliability, and excellent developer experience for internal and external users.

EdReports is hiring a Senior-level Software Engineer to deliver accessible, high-performance user-facing features and collaborate closely with product, design, and backend teams to advance our web platforms.

Tomo seeks an experienced backend engineer to lead Python microservice architecture, build reliable cloud-native systems, and integrate AI developer tools in a fully remote engineering team.

Uline seeks a Senior Software Developer - Web to design, build, and maintain mission-critical e-commerce applications using ASP.NET, C#, MVC and JavaScript at its Pleasant Prairie headquarters.

Experienced Java/Spring Boot engineer wanted to build and operate cloud-native data ingestion and normalization services for Nasdaq’s Reference Data Management team in a hybrid Philadelphia role.

Senior Software Developer sought by PingWind to lead development of secure, scalable C# and Angular applications supporting federal programs.

Flywire is hiring a Senior Software Engineer to lead the design and delivery of high-impact travel integrations and a partner developer platform that scale to millions of users.

Lead architecture and full-stack development for data acquisition, time-series databases, APIs, and React UIs to accelerate pulser production and Demonstration System operations at Pacific Fusion.

Experienced software developer wanted to architect and build high-reliability XML/SCORM/SGML performance tools for DoD training and IETM solutions delivered to Navy customers.

Experienced .NET developer needed to deliver and modernize mission-critical public sector applications for the State of Maine on a remote contract through June 2026.

Lead architecture and build secure Java-based microservices for a greenfield government project while mentoring junior engineers and maintaining high code-quality standards.

At Arctic Wolf you'll lead the development of cloud-based SOAR systems, mentoring engineers and delivering secure, scalable automation used in real-world security operations.

AnaVation is hiring a Senior Software Developer to lead Agile development efforts, deliver secure, high-quality software solutions, and support advanced mobile reverse-engineering and systems work in a hybrid role based in Lorton, VA.

Senior Full Stack Engineer to design and implement developer tooling and infrastructure that enables production-grade, safety-critical software for Zoox's autonomous vehicle platform.

Lead frontend development at XPEL to create high-performance, internationalized web UIs for global e-commerce and B2B/B2C platforms.

Senior C++ Trading Software Developer wanted to build low-latency algorithmic trading and exchange connectivity systems for a leading Chicago trading team.

A Chicago-based buy-side trading firm is hiring a Senior Quantitative Researcher to develop predictive trading models, analyze market data, and mentor junior researchers in an onsite role.

Zello is hiring a Senior Software Engineer on the Platform Engineering team to build scalable platform services and developer tooling that accelerate product delivery for a global voice-first communications platform.

Senior Quantitative Researcher needed at a Chicago-based buy-side firm to build predictive trading models, analyze market data, and lead research projects on an onsite basis.

Be part of a trading technology team building high-performance C++ systems for algorithmic trading and exchange connectivity in a fully onsite Chicago role.

A high-performance trading firm is hiring a Senior C++ Developer to architect and deliver low-latency algorithmic trading and exchange connectivity solutions onsite in Chicago.

MongoDB is hiring a Senior Software Engineer to advance the Documentation Platform with scalable, user-focused features using TypeScript, React, Next.js, and modern tooling.