Golang Engineer – Fintech
We're hiring a Golang Engineer for a fast-growing fintech building payment infrastructure used across the EU/UK. The team supports PSPs, EMIs and digital banking platforms, operating at scale within a regulated environment. Strong domain knowledge is essential.
Role Overview:
You’ll work on the core payment gateway; designing, developing and optimising Go-based services that power high-volume financial operations.
Expect involvement in microservices architecture, secure system design and integrations with external payment providers.
Key Responsibilities:
* Build stable, fault-tolerant Go services for payment and settlement flows
* Design APIs, data models and service-level integrations
* Implement security-first development practices (PCI DSS, secure data handling)
* Improve performance through profiling, concurrency and efficient data/storage use
* Contribute to microservices architecture decisions (service boundaries, patterns, queues/streams)
* Maintain quality through testing and code reviews
* Provide practical, domain-informed input to technical discussions
Essential Experience:
* 3-5 years Go + 5 years backend/fintech experience
* Strong understanding of distributed systems and API design (REST/RPC)
* SQL/NoSQL databases, message brokers (Kafka or NATS), caching
* CI/CD pipelines (preferably GitLab) and AWS
* Observability tooling: Prometheus, Grafana, OpenTelemetry
* Experience integrating with processors, acquirers or anti-fraud systems
* Security-by-design approach and familiarity with compliance standards (PCI DSS, GDPR)
Golang Engineer – Fintech