Staff Software Engineer, Backend
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Job Description
Staff Software Engineer driving technical strategy and core backend services at Primer's innovative payment platform. Collaborating with engineering teams to shape seamless partner integrations and modern engineering practices.
Responsibilities:
- 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
Requirements:
- 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 advantage; we're less concerned about specific languages than we are about depth of backend systems thinking
- Solid understanding of payments infrastructure or developer platform engineering — you know what it takes to build for third-party integrators
- Strong written and verbal communication; you can make complex technical decisions legible to non-technical stakeholders.
Benefits:
- Competitive share options
- Uncapped holiday, with 25 days minimum to be taken
- Co-working space access
- Workations & Company Retreat
- The best equipment for your role
- £500 towards your home office setup
- Generous learning budget
- Private Medical Insurance
- A broad set of additional perks and benefits (*depending on location)*
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