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Trustly

Senior Software Engineer

Stockholm, Sweden
Java Go AWS Docker
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Description

Senior Software Engineer (Golang)

Team: EU Acquiring, Settlement & Risk

Location: Stockholm, Sweden

Commitment: Full-time

Workplace Type: hybrid

WHO WE ARE
At Trustly, we're building a smarter, faster, and more secure financial future by revolutionizing the world of payments. As a global leader in Open Banking Payments, we are establishing Pay by Bank as the new standard at checkout, providing unparalleled freedom, speed, and ease to millions of consumers and merchants worldwide.

Our Ambition: To build the world’s most disruptive payment network and redefine what the payment experience should feel like.

Trustly is a global team of innovators, collaborators, and doers.  If you are driven by a strong sense of purpose and thrive in a dynamic, entrepreneurial, and high-growth environment, join us and be part of a team that’s transforming the way the world pays.

ABOUT THE TEAM

At Trustly, we aren’t just processing payments; we are building the world’s most resilient financial network. The Transfer & Funds team is the engine room of this mission. We are the architects and guardians of Trustly’s financial integrity, responsible for the core systems that ensure instant, reliable settlements for millions of users worldwide.

We are currently undertaking a massive evolution of our infrastructure: transitioning our core financial logic from a high-volume Postgres monolith into a clean, Go-based distributed architecture. We are looking for a Senior Engineer who thrives on technical complexity and wants to leave a legacy by building our next-generation transactional systems.

Why Join Transfer & Funds?

This is a "change the engines while the plane is flying" opportunity. You will work on the most critical systems at Trustly, solving the industry's hardest problems in transactional consistency and scale. If you enjoy deep technical puzzles and want to own the bedrock of a global fintech leader, we want to hear from you.

Apply now and help us architect the future of global payments.

WHAT YOU'LL DO

  • Modernize the Core: Play a lead role in moving mission-critical logic out of a centralized Postgres monolith and into a high-velocity, domain-driven environment.
  • Build for 99.99%: Architect and maintain the systems responsible for our Transfer System and Transactional Ledger, ensuring absolute data integrity and high availability.
  • Solve Distributed Complexity: Design services that handle high-concurrency and global scale, ensuring that every transaction is atomic, consistent, and resilient to failure.
  • Define Target Architecture: Contribute to the long-term technical vision of how Trustly handles money movement, balancing the need for rapid feature delivery with the rigor of financial accounting.

    • The Tech Stack

  • Primary: Golang, PostgreSQL.

  • Architecture: Distributed Microservices, Event-Driven Patterns.

  • Infrastructure: AWS, EKS, Terraform, Datadog.

WHO YOU ARE

  • Strong Go Expertise: You have 5+ years of experience building robust, production-grade backend systems in Golang. You write idiomatic code and have a deep understanding of Go’s concurrency model and performance characteristics.

  • System Design & Distributed Architecture: You understand the nuances of distributed systems. You know how to build application-level safety nets, handle partial failures, and ensure "exactly-once" processing across service boundaries.

  • Relational Power-User: You have experience in SQL and relational databases, like PostgreSQL. You understand transaction isolation, locking strategies, and how to refactor schemas under heavy production load.

  • Migration Experience: You’ve successfully moved logic out of legacy environments into modern architectures. You know how to bridge the old and the new without disrupting live operations.

  • High-Availability Focus: You design for failure. You value observability and have experience running mission-critical services in AWS/Kubernetes environments.

Our Fantastic Benefits (varies by location)
🌴 20 to 30 days of holiday to support a healthy work-life balance
🥳 Monthly team outing allowance to enjoy social events with your colleagues
👶 Parental leave top-up additional support for new parents
🥐 Daily breakfast and on-site perks to make your workday smoother
💚 Well being support our health allowance covers gym memberships, massages, and much more to help you feel your best
PLUS additional benefits designed to enhance your work-life experience!

Shape Your Role and Make an Impact
Join a dynamic environment where you can take ownership, drive change, and continuously embrace new challenges. We’re looking for dedicated and highly motivated individuals who thrive in a fast-paced environment and enjoy collaborating across different areas of the organisation.
If your skills and experience align with this role, we’d love to hear from you! Apply now and submit your CV in English.
Trustly
Trustly

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