# Software Engineer II

**Company:** [Flexport](https://hotfix.jobs/companies/flexport)
**Location:** San Francisco, CA
**Role:** Fullstack Engineering
**Salary:** $147k – $184k/yr
**Experience:** 3+ years
**Skills:** Java, Ruby, React, TypeScript, AWS, Spring Boot, Ruby on Rails, Microservices, CI/CD, Ai Apis
**Posted:** 2026-04-23

> Build full-stack systems for client-facing rates platform and self-serve freight booking, owning features from databases and backend APIs (Java/Ruby) to React frontend. Integrate AI automation for pricing and booking in logistics, requiring 3+ years experience and bachelor's degree.

## Job Description

## Responsibilities
- Design, develop, test, deploy, and maintain systems within a microservices architecture that power rate visibility and autonomous booking.
- Own the entire lifecycle of a feature: from database schema design and scalable backend APIs to building the React-based frontend applications our customers use.
- Support the integration of AI models and automated workflows to make the pricing and booking experience increasingly intelligent.
- Collaborate with engineering, product, and design to translate complex business problems into elegant, production-ready technical solutions.
- Contribute to code reviews to maintain high quality standards, share knowledge, and mentor peer engineers.
- Build highly available, secure, and distributed systems that can scale with Flexport’s global volume.
- Rapidly build and launch products incrementally, leveraging best practices around CI/CD and shipping to production dozens of times per day.
- Ensure high-quality standards by incorporating metrics, monitoring, and applying learnings from post-mortems to all services.

## Requirements
- Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
- 3+ years of professional software engineering experience with a proven track record of shipping production-grade applications.
- Full-Stack Capability: comfortable owning a feature from end-to-end: working with databases, backend services (**Java**/**Ruby**), and frontend frameworks (**React**).
- Technical Rigor: passion for simple, well-tested code that is easy to extend and hard to break.
- AI Familiarity: experience or interest in working with AI APIs and building software that leverages machine learning models to automate user tasks.
- 2+ years of design and architecture knowledge as well as familiarity with object-oriented analysis and design patterns.
- Proficiency with modern programming languages: specifically **Java**, **Ruby**, or **TypeScript**.
- Proficiency with deploying, monitoring, and maintaining production services on cloud infrastructure (**AWS**).

## Nice-to-Haves
- Experience with elements of our tech stack: **Java**, **Spring Boot**, **Ruby on Rails**, **React**, **AWS**.
- Experience in fintech, pricing engines, or booking systems.
- Experience in logistics, supply chain, or freight technology.
- A bias for action: when you see a problem, you fix it.
- Excellent written and verbal communication skills: convey technical ideas in common terms to business stakeholders and product managers.

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**Canonical:** https://hotfix.jobs/jobs/db59c3cc-8abc-4ad8-bb6d-8e44672fbc55