Senior Software Engineer, Application Infrastructure Join to apply for the Senior Software Engineer, Application Infrastructure role at Brex Senior Software Engineer, Application Infrastructure Join to apply for the Senior Software Engineer, Application Infrastructure role at Brex Why join us

Brex is the AI-powered spend platform. We help companies spend with confidence with integrated corporate cards, banking, and global payments, plus intuitive software for travel and expenses. Tens of thousands of companies from startups to enterprises — including DoorDash, Flexport, and Compass — use Brex to proactively control spend, reduce costs, and increase efficiency on a global scale. Why join us

Brex is the AI-powered spend platform. We help companies spend with confidence with integrated corporate cards, banking, and global payments, plus intuitive software for travel and expenses. Tens of thousands of companies from startups to enterprises — including DoorDash, Flexport, and Compass — use Brex to proactively control spend, reduce costs, and increase efficiency on a global scale.

Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career.

Engineering at Brex

Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every level — from architecture to deployment. It’s an environment where engineering is a craft, and builders become leaders.

What You’ll Do

The Application Infrastructure team sits in the Infrastructure group alongside Release Infrastructure and Cloud Infrastructure. We simplify writing code for every product developer at Brex.

As an engineer on the Application Infrastructure team, you will build and own a suite of platforms and tools that Product Engineers use to deliver quality software solutions quickly. You will have the opportunity to work with a diverse range of technologies enabling federated GraphQL APIs, remote development environments, pre-merge testing, Brex-wide dependency management, fast Kotlin builds, developer CLIs, and more.

You will be a domain expert and change agent, taking our Federated GraphQL platform to the next level. You’ll see the big picture of how Brex developers use GraphQL to build products, and utilize GraphQL’s open source and vendor ecosystem to enable Brex devs to ship better products faster.

You will need to be comfortable regularly working on complex systems across multiple programming languages and levels of abstraction. You will have the opportunity to learn and push the frontier of providing the best financial software experience to help companies grow. You will be encouraged to be metric and data-driven and to think creatively to help Brex scale into new markets and verticals.

Where you’ll work

This role will be based in our San Francisco office. We are a hybrid environment that combines the energy and connections of being in the office with the benefits and flexibility of working from home. We currently require a minimum of two coordinated days in the office per week, Wednesday and Thursday. As a perk, we also have up to four weeks per year of fully remote work!

Responsibilities

Analyze internal developer experience feedback to advocate for and iterate on developer platforms affecting the day-to-day work of ~300 software engineers Make the adoption of AI developer tools easier and integrate them into developer workflows to seamlessly play with our codebase Own, maintain, and scale critical API infrastructure serving all of Brex’s products Identify and implement reliability and performance improvements Uphold our high engineering standards and bring consistency to the codebases, infrastructure, and processes you will encounter

Requirements

8+ years of professional experience in a software engineering role GraphQL experience, especially familiarity with Federated GraphQL Kotlin background (Java, Scala and Groovy are also acceptable) Kubernetes familiarity Platform or Full-Stack development background Strong communication, interpersonal, and project planning skills

Bonus points

Experience working with Bazel; bonus points if you’ve written rules or maintained Bazel as a platform Extensive experience with other multi-language build systems Golang experience, especially building CLIs Experience extending IDEs

Compensation

The expected salary range for this role is $192,000 - $240,000. However, the starting base pay will depend on a number of factors, including the candidate’s location, skills, experience, market demands, and internal pay parity. Depending on the position offered, equity and other forms of compensation may be provided as part of a total compensation package.

Please be aware, job-seekers may be at risk of targeting by malicious actors looking for personal data. Brex recruiters will only reach out via LinkedIn or email with a brex.com domain. Any outreach claiming to be from Brex via other sources should be ignored. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Referrals increase your chances of interviewing at Brex by 2x Get notified about new Senior Software Engineer jobs in San Francisco, CA . San Mateo, CA $90,000.00-$150,000.00 1 year ago Director of Engineering, Product Engineering Oakland, CA $241,000.00-$305,000.00 2 weeks ago San Francisco, CA $159,000.00-$278,250.00 1 day ago Sr. Software Engineer - Payments Support San Francisco, CA $138,400.00-$173,000.00 5 days ago Senior Engineering Manager - Backend Developer User Experience San Francisco, CA $156,000.00-$211,000.00 2 weeks ago Software Engineering Technical Leader (Hybrid Remote- San Jose, CA) Senior Engineer - Warehouse Management System Brisbane, CA $140,000.00-$180,000.00 1 month ago Senior Robotics Software Engineer, Planning and Control San Francisco, CA $150,000.00-$260,000.00 1 month ago Redwood City, CA $140,000.00-$198,000.00 1 week ago Principal Software Engineer - Video - Design Experience - (Role based in Australia, relocation provided) Senior/Staff Motor Control Software Engineer Senior or Staff Motion Controls Software Engineer Emeryville, CA $170,000.00-$210,000.00 1 day ago Intermediate or Senior Civil Engineer – Land Development (Commercial) - Houston, TX San Francisco, CA $75,000.00-$150,000.00 2 months ago Senior Technical Writer, Developer Experience San Francisco, CA $140,000.00-$210,000.00 3 days ago SENIOR CIVIL ENGINEER - TEAM LEAD - LAND DEVELOPMENT - HOUSTON TX San Francisco, CA $122,478.00-$208,212.00 4 days ago Senior Civil Engineer - Land Development (FT - Hybrid) Foster City, CA $140,000.00-$175,000.00 6 days ago Senior Product Manager - AI Developer Tools & SDK Oakland, CA $211,200.00-$264,000.00 1 week ago Delivery Consultant - Connect, Amazon Connect Center of Excellence Senior Software Engineer, Infrastructure San Francisco, CA $171,000.00-$258,000.00 18 hours ago San Francisco, CA $137,100.00-$334,600.00 2 days ago San Francisco, CA $130,000.00-$200,000.00 9 months ago San Francisco, CA $175,000.00-$230,000.00 6 months ago San Francisco, CA $165,000.00-$220,000.00 4 months ago San Francisco, CA $122,400.00-$195,500.00 2 weeks ago San Francisco, CA $160,000.00-$190,000.00 2 weeks ago San Francisco, CA $152,200.00-$223,600.00 1 month ago San Francisco, CA $138,900.00-$203,900.00 1 month ago Senior Software Engineer, Frontend (iOS/macOS) - Quip San Francisco, CA $184,000.00-$276,100.00 1 month ago San Francisco, CA $149,300.00-$209,600.00 2 months ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.

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