Staff Software Engineer, Backend

An Introduction to Primer

Primer is the unified infrastructure for global payments. We give finance and payments teams the visibility and control to reduce complexity, improve performance, and capture more revenue - all from a single platform.

Backed by Sofina, Peak XV Partners, ICONIQ, Tencent, Accel, and Balderton, we're building the payments layer the world's best companies rely on.

Watch our showcase >

Read up on our $100m Series C

Learn more about our culture >

 

WHAT WILL YOU BE DOING?

- Setting and driving the technical strategy across the Partners engineering teams, from architecture decisions through to hands-on implementation

- Owning the design of core backend services for high-performance distributed systems, with scale and reliability as non-negotiables

- Acting as the technical authority on partner integrations — shaping how third-party PSPs connect with Primer's platform and raising the bar on what "seamless" actually means

- Leading and influencing engineers across teams without direct authority — through code, design reviews, and technical mentorship

- Spotting and resolving cross-team technical dependencies before they become blockers

- Driving adoption of modern engineering practices (BDD, TDD, rigorous documentation) and holding the line on quality

- Partnering closely with Product to shape roadmap decisions where the technical constraints or opportunities are material

WHAT WE'RE LOOKING FOR

- Demonstrable experience operating at staff or principal level — setting technical direction across multiple teams, not just within one

- Deep backend engineering expertise, with a track record of designing and building distributed systems at scale

- The kind of judgment that earns trust fast — engineers follow your technical lead because you're right, not because of your title

- Experience with Python is a strong adva...