Flexport
Senior Software Engineer, Autonomous Freight Systems
$206K–$252K
San Francisco, California, United States · Senior · Full-time · Posted Jun 3, 2026
- Experience
- 5+ years of professional software engineering experience.
About the job
Build and own Flexport’s client-facing freight pricing and self-serve booking systems, including AI-assisted workflows across ocean, air, and trucking.
What you'll do
- Own core systems end to end, from schema design and backend APIs to customer-facing React interfaces, and ship them to production.
- Design and implement production AI features and LLM-backed automation; improve reliability through metrics, monitoring, and incident follow-up.
- Lead technical design, identify and resolve engineering problems, mentor engineers, and collaborate with product, design, pricing, and operations.
What they ask for
- 5+ years of professional software engineering experience shipping production-grade systems with increasing independence.
- Experience integrating LLMs into production user workflows, including practical challenges such as latency, reliability, prompt fragility, and cost.
- Full-stack capability, including schema design, API contracts, and frontend architecture.
- Proficiency deploying, monitoring, and maintaining production services on AWS.
Nice to have
- Experience with Java, Spring Boot, Ruby on Rails, React, or AWS.
- Familiarity with agentic patterns, RAG, or workflow orchestration (e.g., Temporal); logistics, supply chain, freight technology, or pricing experience.
Pay
$206,181–$252,000 USD base salary
Tools
AWS, Java, Spring Boot, Ruby on Rails, React, Temporal, RAG, LLMs
AI focus
Hands-on development of AI-powered features, agent workflows, and LLM-backed production automation for freight booking.
Model-written summary · the original posting is authoritative