Primer

backend developer for payments orchestration

In short

A fintech company building unified global payments infrastructure is hiring a senior backend developer to lead design and implementation of core backend services for high-performance, distributed payments systems. The role involves owning key technology decisions, building developer frameworks for seamless customer/third-party integration, and applying modern practices like BDD/TDD. It requires strong payments knowledge, excellent communication skills, and self-driven autonomy; the role is remote but limited to candidates based in Poland, Portugal, Hungary, Romania, or South Africa. Python experience is a plus.

About Primer
Primer provides unified infrastructure for global payments, giving finance and payments teams visibility and control to reduce complexity, improve performance, and capture more revenue through a single platform.
Responsibilities
•Lead the design and implementation of core backend services for high-performance, complex distributed systems
•Own key technology decisions, build for scale, and optimise for output
•Apply modern development practices such as BDD and TDD
•Create clear, modern, well-tested code
•Collaborate across teams in a product-driven environment
•Conduct code reviews and continuously improve ways of working
•Create detailed internal documentation for projects
Requirements
•Understand the entire development process, including design, development, and deployment
•Know how to build developer frameworks and workflows that enable seamless integration for customers and third parties
•Be a highly motivated self-starter who values autonomy and getting things done
•Have excellent verbal and written communication skills
•Have payments knowledge and look for ways to optimise the merchant developer experience
•Be based in Poland, Portugal, Hungary, Romania, or South Africa
Nice to have
•Experience in Python
Conditions & Benefits
•Competitive share options
•Uncapped holiday, with 25 days minimum to be taken
•Access to co-working spaces across major cities
•Workations and a company retreat
•Best equipment for the role
•£500 towards home office setup
•Generous learning budget
•Private Medical Insurance
•Additional perks and benefits depending on location

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