Primer Technologies, Inc. logo

Software Engineer, Backend - Partners

Job Overview

Location

Poland

Job Type

Full-time

Category

Backend Engineer

Date Posted

March 12, 2026

Full Job Description

📋 Description

  • • Primer Technologies is seeking a talented and motivated Software Engineer, Backend, to join our dynamic Partners team. This role is pivotal in shaping the future of global payments and commerce by enhancing our unified payment infrastructure. You will be instrumental in empowering businesses worldwide to unlock their full payment potential, enabling them to gain control over their payment stacks, craft unique commerce experiences, accelerate their product roadmaps, and significantly increase their payment success rates. Our mission is to simplify the complex world of payments, making it intuitive and accessible for all.
  • • As a key member of the Partners team, you will contribute to reimagining how we enable third-party payment service providers to leverage Primer’s robust infrastructure. This involves building a scalable and flexible platform designed for exponential growth. Your work will directly impact critical areas such as fallbacks, fraud prevention, network tokenization, and the development of insightful observability dashboards.
  • • Reporting to an Engineering Manager, you will collaborate closely with a talented group of backend, full-stack, and frontend engineers, as well as our dedicated Product team. This cross-functional collaboration is essential for delivering innovative solutions.
  • • Primer operates with a strong ‘you build it, you own it’ philosophy. This means you will be deeply involved in all aspects of the development lifecycle, from infrastructure considerations to rigorous testing and quality assurance. This hands-on ownership fosters a sense of accountability and allows for rapid iteration and improvement.
  • • Your primary responsibilities will include the design and implementation of core backend services, focusing on high performance and the complexities inherent in distributed systems. You will be expected to write clear, modern, and thoroughly tested code, adhering to best practices.
  • • We highly encourage and value the adoption of modern development methodologies such as Behavior-Driven Development (BDD) and Test-Driven Development (TDD). Your commitment to these practices will ensure the robustness and maintainability of our codebase.
  • • You will actively participate in code reviews, providing constructive feedback to peers and continuously seeking opportunities to enhance our development processes and team efficiency.
  • • A crucial aspect of this role involves taking ownership of key technology decisions. This includes building solutions with scalability in mind and optimizing for maximum output and efficiency.
  • • You will be responsible for creating detailed internal documentation for the projects you contribute to, ensuring knowledge sharing and maintainability across the engineering organization.
  • • This role offers a unique opportunity to work within a fast-paced, innovative environment where your contributions will have a tangible impact on a globally recognized FinTech company. You will be part of a mission-driven team that is passionate about building exceptional products and delivering outstanding value to our merchants.
  • • We are a remote-first company, embracing flexibility and autonomy. You will thrive in an environment that values self-starters who are motivated to get things done and are comfortable navigating ambiguity and shifting contexts. Your excellent verbal and written communication skills will be vital for effective collaboration within our distributed team.
  • • You will be joining a company that has been recognized as a top global employer for flexibility, demonstrating our commitment to work-life balance and employee well-being. We are building a culture where individuals can perform at their best and find genuine enjoyment in their work, fostering pride in their impact and contributions.
  • • Our collaborative approach extends to thoughtfully designed remote working practices and opportunities for in-person connection through workstations, an annual company retreat, and global co-working space access. We believe that building strong relationships and a successful company goes beyond physical proximity.
  • • Primer is dedicated to building a diverse, inclusive, and authentic workplace. We encourage applications from candidates who are excited about this role, even if their past experience doesn't align perfectly with every qualification. We are committed to equal opportunities for all, regardless of background or beliefs.

Skills & Technologies

Python
TypeScript
Go
React
AWS
Backend
Remote

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Primer Technologies, Inc. logo
Primer Technologies, Inc.
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About Primer Technologies, Inc.

Primer Technologies is a San Francisco–based fintech infrastructure firm that provides a unified payments platform for online merchants. It offers low-code integrations with global processors, fraud tools, analytics, and checkout orchestration through a single API. The company helps e-commerce businesses add, optimize, and route payments across providers without custom backend work, improving authorization rates and reducing development time. Founded in 2020, Primer serves mid-market to enterprise retailers across Europe, North America, and Asia.

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