Flexport

Senior Software Engineer, Autonomous Freight Systems

Flexport
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3 months ago

Base Salary

$183k - $229k/yr

Responsibilities

  • Own core systems end to end, from schema design and backend APIs to React customer interfaces and production deployment.
  • Design and build AI-powered features, agent workflows, and LLM-backed automation for rates, pricing intelligence, and freight booking.
  • Identify engineering gaps and inefficiencies, propose solutions, and lead them through production.
  • Drive technical designs and align teammates before implementation.
  • Mentor P2 engineers through code reviews, pairing, and design feedback.
  • Collaborate with product, design, pricing, and operations to build production-ready solutions.
  • Deploy frequently and improve reliability through metrics, monitoring, and incident learnings.

Requirements

  • 5+ years of professional software engineering experience shipping production-grade systems with increasing independence.
  • Strong full-stack proficiency spanning database and schema design, API contracts, backend services, and frontend architecture.
  • Hands-on experience building production software that integrates LLMs into real user workflows, including practical understanding of latency, reliability, prompt fragility, and cost.
  • Experience deploying, monitoring, and maintaining production services on AWS.
  • Ability to independently identify problems, drive technical design, communicate tradeoffs, and maintain well-tested, well-structured code.
  • Preferred experience with Java, Spring Boot, Ruby on Rails, React, AWS, agentic patterns, RAG, Temporal, logistics, supply chain, freight technology, or pricing systems.

Benefits

  • On-site role in San Francisco.
  • Comprehensive benefits including medical, dental, and flexible time off.
  • Bonus and equity are included in the total rewards package.

Tech Stack

AWSJavaReactRuby on RailsSpring Boot
Flexport

About Flexport

1,001-5,000 employees

Flexport builds a cloud-based platform for freight forwarding and customs brokerage, combining ocean, air, and truck booking with shipment tracking and analytics for importers and exporters. It earns fees for logistics services and provides supply chain visibility software that integrates with warehousing and trade compliance workflows. Founded in 2013 and headquartered in San Francisco, the privately held company operates globally across major trade lanes.

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