Senior System Software Engineer Jobs

Customer-Centric

Mission Driven

Inclusive & Diverse

Rise from Within

Diversity of Opinions

Work/Life Harmony

Growth & Learning

Transparent & Candid

Medical Insurance

Paid Time-Off

Maternity Leave

Mental Health Resources

Equity

Child Care stipend

Paternity Leave

WFH Reimbursements

Flex-Friendly

Dental Insurance

Vision Insurance

Life insurance

Health Savings Account (HSA)

Flexible Spending Account (FSA)

401K Matching

Military leave

NVIDIA seeks a Senior System Software Engineer to design and optimize embedded SoC and platform software for autonomous vehicle AI and ADAS applications.

A remote-first company is hiring a Senior Software Engineer I to lead feature development, influence architecture, and mentor teammates while building scalable full‑stack applications.

THREE is hiring a Senior Software Engineer (IC5) to architect and build high‑impact integrations and backend systems for its cloud-native insurance platform.

Lead architecture and development of scalable backend services for a large marketplace as a Senior Backend Engineer, driving performance, reliability, and technical direction.

Vision Insurance

Dental Insurance

Performance Bonus

Paid Holidays

Lead architecture and build high-scale APIs and platform services at Gopuff to power millions of customer experiences and partner integrations.

United Field Services is hiring a Senior Software Architect to define and own the platform’s architecture, eliminate conflicting logic, and lead the system redesign for stability, scalability, and AI readiness.

Experienced backend-focused engineer wanted to lead development and operational ownership of scalable, resilient access and order systems for a high-traffic live-events platform.

Greenfield Engineering is looking for an experienced Senior Engineer Scientist to lead engineering, integration, and test activities for military and aviation avionics systems at Patuxent River, MD.

Experienced Senior Technical Recruiter needed to lead sourcing and screening of cleared IT talent for high-impact defense and federal technology programs at Credence's McLean, VA headquarters.

Experienced Python-focused Senior Software Engineer needed to deliver scalable SaaS features, optimize big-data pipelines, and own end-to-end delivery in a remote, cross-functional engineering team at Bitsight.

Senior Software Engineer I for a remote US role, responsible for designing and delivering scalable backend and AI-driven systems that power automation, orchestration, and advanced features across the platform.

Decagon is looking for a Senior Agent Software Engineer to design, build, and scale production AI agents that handle complex customer interactions across chat, email, and voice.

Senior Software Engineer (Full-Stack, backend-leaning) to build scalable backend automations and microservices at Jerry.ai, a profitable consumer super app reimagining car and home ownership.

Join Ashby as a Senior Product Engineer to own large product areas end-to-end, craft specs and UX, and deliver high-quality, reusable platform components for a fast-scaling TA product.

Lead strategic engineering efforts at WGU to architect and deliver scalable student-focused applications while mentoring teams and advising executives on technology direction.

Noise seeks a Senior Software Engineer (Frontend) to collaborate with product design and ship high-performance, highly polished React interfaces from prototype to production in our SoHo office.

Anduril is hiring a Senior Mission Software Engineer in Costa Mesa to lead development and delivery of software for surface maritime autonomy and mission systems.

Lead systems engineering for complex DoD programs at Saalex Corporation, focusing on integration, architecture, and lifecycle management in support of test range and mission operations.