Senior Backend Software Engineer (Product Engineering)

Summary

Build scalable backend systems for Brex’s financial software, designing features that directly impact customers and drive business growth.

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
As an engineer at Brex, you will help develop new products from concept to launch, whether for a 5-person startup or a 5,000-person-strong enterprise
You’ll be building customer-facing products that will drive direct business impact and shape our long-term technical vision with a high-quality bar
You’ll have the opportunity to learn and push the frontier of providing the best financial software experience to help companies grow
You’ll be encouraged to be metric and data-driven and to think creatively to help Brex scale and get prepared for the new markets we are about to enter
Collaborate with engineers across the company to build new features and products end-to-end
Work alongside user-facing teams like Sales and Support to deeply understand our customers’ needs
Design and implement solutions to improve our customers’ banking experiences
Own problems end-to-end, from user experience and data models to scalability, operability, and ongoing metrics
Tune and polish features to a high degree of excellence

We’re looking for folks with an interest in building products and tools, and who are comfortable in dealing with lots of moving pieces
Familiarity with software engineering development cycles
Ability to hold yourself and the team to high standards
Experience working with SQL or NoSQL databases
Experience working with backend programming languages (Java, Kotlin, Python)
Strong communication and interpersonal skills
7+ years of professional experience designing, developing, and deploying applications with a focus on the backend
Experience building and designing scalable backend systems