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Senior Software Engineer, Autonomous Freight Systems

FlexportSan Francisco, California, United StatesEngineering
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Salary
Not listed
Job type
Full-time
Posted
3 Jun 2026
Status
Open · checked 7d ago

About this role

Flexport is hiring a Senior Software Engineer for the Autonomous Freight Systems team based in San Francisco, California. This role involves building and scaling client-facing rates platforms and self-serve freight booking experiences for global shipping operations.

Role Overview

The Autonomous Freight Systems group is an AI-first engineering team operating out of San Francisco to construct Flexport's client-facing rates platform and self-serve freight booking experience completely from scratch. In this capacity, the engineer will manage two critical surfaces within the Client App: rate visibility tools and automated freight booking channels for ocean, air, and trucking. This position suits a self-driven technologist with a strong background in full-stack development and production-grade artificial intelligence integration who thrives in a fast-paced environment.

Key Responsibilities

Take full end-to-end technical ownership of core systems, managing everything from database schema design and backend APIs to customer-facing React user interfaces.
Identify operational gaps, inefficiencies, and engineering problems across domains, leading resolution efforts proactively.
Design and implement AI-powered features, building production systems that incorporate agent workflows and LLM-backed automation.
Create comprehensive technical designs, produce well-reasoned proposals, and align team members prior to implementation.
Mentor and support engineers through code reviews, pairing sessions, and design feedback to elevate team output.
Collaborate directly with product, design, pricing, and operations teams to translate complex domain challenges into polished solutions.
Build and ship code incrementally within a high-velocity deployment pipeline that pushes to production multiple times daily.
Ensure system reliability and quality by establishing metrics, monitoring tools, and incident learnings across all owned services.

Requirements

Minimum of 5 years of professional software engineering experience with a demonstrated history of delivering production-grade systems independently.
Deep ownership instinct with personal accountability for operational outcomes and system resilience.
Full-stack fluency spanning database schema design, API contracts, and frontend architecture.
Hands-on experience developing production software that integrates Large Language Models into actual user workflows, managing challenges like latency, cost, and reliability.
High agency, drive, and the ability to identify high-leverage problems without direct instruction.
Strong technical rigor emphasizing simple, well-tested, and well-structured codebases.
Clear communication skills capable of addressing both product managers and technical staff.
Proficiency in deploying, monitoring, and maintaining cloud infrastructure services using AWS.

Nice to Have

Familiarity with elements of the company technology stack, including Java, Spring Boot, Ruby on Rails, and React.
Knowledge of agentic patterns, Retrieval-Augmented Generation, or workflow orchestration tools such as Temporal.
Background experience in logistics, supply chain management, freight technology, or pricing software.

Skills and Tools

AWS
React
Java
Spring Boot
Ruby on Rails
LLM
RAG
Temporal

Salary and Benefits

The United States base salary range for this position is $206,181 to $252,000 USD per year, with individual pay determined by work location, skills, experience, and education. Total compensation also includes bonus opportunities, equity offerings, and comprehensive benefits such as medical coverage, dental care, and flexible time off.

About the Company

Flexport is on a mission to make global commerce so effortless that international trade expands for everyone. Companies ranging from emerging brands to Fortune 500 enterprises utilize Flexport technology to move billions of dollars in merchandise across more than one hundred countries annually. Backed by top-tier investors, the company addresses major global challenges impacting business, society, and the environment through innovative software solutions.

How to Apply

Interested candidates should visit the official Flexport careers page to submit an application for this role.

Skills and tech stack

AWSReactJavaLLMRAG

Questions candidates ask

Where is this job located?

This position is located in San Francisco, California, United States, on-site.

What is the salary range for this role?

The US base salary range is $206,181 to $252,000 USD, which does not include bonus, equity, and benefits.

What level of experience is required?

Candidates must have 5+ years of professional software engineering experience.

What technologies and tools are involved?

The tech stack and skill set include AWS, React, Java, Spring Boot, Ruby on Rails, LLMs, RAG, and workflow orchestration tools like Temporal.

What team will I be joining?

You will join the Autonomous Freight Systems team, which is a brand new, AI-first engineering team building the client-facing rates platform and self-serve freight booking experience.

Ready to apply?

The application is on the official Flexport careers page.

Apply on company site