Motion Recruitment
Senior Software Engineer / React / Python / AI Infrastructure
Motion Recruitment is hiring a Senior Software Engineer / React / Python / AI Infrastructure in Sunnyvale, California, United States. Posted September 23, 2026.
Job at a glance
- Company
- Motion Recruitment
- Location
- Sunnyvale, California, United States
- Pay
- $190,000 – $220,000
- Workplace
- On-site
- Employment
- Full-time
- Sector
- Engineering & Technology
- Posted
- September 23, 2026
- Apply by
- November 27, 2026
About the job
A leading provider of physical AI and autonomy software solutions is hiring for a full-time, senior software engineer to do product development on their core AI infrastructure platform. The engineering environment includes modern full-stack web development using: TypeScript, Python, Go, and React based interfaces.
This role offers the chance to join high powered and versatile product team operating like a startup within a larger organization. You will be shaping highly scalable user experiences while working closely with design, simulation, and autonomy engineering teams. Software engineers in this role will have significant ownership, direct impact on product direction, and opportunities to grow into a leadership-level contributor role while building next-generation autonomy tooling.
Required Skills & Experience
- Experience with full-stack web development using TypeScript, Python, and/or Golang
- Strong background building scalable frontend and backend systems with modern web architectures
- Experience designing intuitive user interfaces and collaborating across engineering, product, and design teams
Desired Skills & Experience
- Experience with React / TypeScript
- Proficiency in backend development using Python or Go
- Demonstrated history building real-time interfaces or mission-critical applications
- Experience with WebGL, Cesium, GIS, or related 2D/3D visualization technologies is a plus but not necessary
- Interest in robotics, autonomy, simulation systems and technologies
What You Will Be Doing
Tech Breakdown
- Frontend Engineering (TypeScript/React/UI Development): 75%
- Backend Development (Python/Go Services & APIs): 25%
Daily Responsibilities
- Design and develop core platform services: 60%
- Build and enhance full-stack features across frontend and backend platforms: 20%
- Integrate applications with simulation environments, autonomy systems, and data pipelines: 10%
- Partner with design and product teams to define user workflows and platform capabilities: 10%
The Offer
- Competitive base salary plus equity opportunity
- Comprehensive medical, dental, vision, life, and disability insurance
- 401(k) with employer match
- Paid time off and strong opportunities for professional growth
- Opportunity to build cutting-edge autonomy, simulation, and infrastructure technology solutions
Applicants must be currently authorized to work in the US on a full-time basis now and in the future.