SumUp

Senior Software Engineer (Golang) – Pricing Domain

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11 days ago
Sofia, BulgariaSenior

Responsibilities

  • Design, develop, and maintain scalable backend services for pricing systems.
  • Develop backoffice tools for pricing management.
  • Write high-quality, maintainable, scalable code aligned with engineering standards and best practices.
  • Provide documentation, automated test coverage, and code-quality improvements.
  • Collaborate with software, QA, and DevOps engineers on deployment, continuous integration, and production support.
  • Participate in code reviews, requirements analysis, scope definition, and technical discussions.
  • Contribute to team retrospectives and document lessons learned.

Requirements

  • At least 3 years of programming experience, including experience with Golang.
  • Experience building and consuming RESTful APIs.
  • Familiarity with Docker, AWS, and Kubernetes, with user-level rather than administrative Kubernetes experience.
  • Experience with SQL and NoSQL databases, including Postgres and Kafka.
  • Understanding of system architecture, software design principles, data modeling, and API design.
  • Collaborative, feedback-oriented approach with strong problem-solving skills and a sense of engineering ownership.

Benefits

  • 25 days of paid leave, increasing with tenure, plus paid vacation for certain occasions.
  • One month of paid sabbatical leave every three years.
  • Individual learning budget, 10 days of paid educational leave, and access to hackathons.
  • Additional health and life insurance and funded therapy and coaching sessions.
  • Co-sponsored Multisport card, childbirth/adoption bonus, discounts, referral program, and free shuttle buses from Joliot-Curie metro station.
  • Monthly food voucher budget of 100 EUR and flexible benefits budget of 40 EUR.
SumUp

About SumUp

1,001-5,000 employees

SumUp is a leading global fintech company committed to levelling the playing field for small businesses. Founded in 2012, we’re the trusted partner of over 4 million merchants in 37 markets, providing simple and affordable tools that help them manage payments, finance, and customer relationships. Our vision is a world where everyone can build a thriving business. Guided by this, we champion small business ownership by creating accessible solutions that empower entrepreneurs to grow and succeed. Our diverse team of over 3,000 SumUppers — representing more than 90 nationalities across 20 offices worldwide — is at the heart of our success. Beyond business, we donate 1% of the net revenue generated by Solo devices to environmental causes and support educational and entrepreneurial initiatives around the world. Recognised as a Top Global Employer for inclusion by the Stonewall Workplace Equality Index in 2022 and 2023, and awarded Fintech Diversity Initiative of the Year at the Irish National Fintech Awards in 2025, SumUp continues to build an inclusive, supportive, and purpose-driven workplace where everyone belongs.

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