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.
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.
Primary: Golang, PostgreSQL.
Architecture: Distributed Microservices, Event-Driven Patterns.
Infrastructure: AWS, EKS, Terraform, Datadog.
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.
Trustly was launched in 2008 and has grown rapidly over the past 16 years to become a global leader in Open Banking Payment solutions. With a mission to make online payments as seamless as possible, Trustly offers an innovative payment platform, bridging the gap between consumers and merchants. Its technology ensures that transactions are processed in real-time, providing both speed and security for all parties involved.
Trustly's dedication to revolutionizing the payments industry is reflected in its collaborations with major brands such as PayPal, eBay, and Hargreaves Lansdown in Europe and FanDuel, T-Mobile, and Coinbase in North America. To date, Trustly has transformed the performance and experience of payments for over 9,000 merchants in 30+ markets, connecting them to 650+ million consumers through 12,000 banks.
Trustly is a licensed Payment Institution under the second payment services directive (PSD2). It operates under the supervision of the Swedish Financial Supervisory Authority in the EU, EEA and the Financial Conduct Authority in the UK. In the US, Trustly is state-regulated as required to serve its target markets.
