Senior Software Engineer (Go) - UK

THE ROLE 📝 

As a Senior Engineer in the UK Engineering Team, you’ll be at the forefront of maintaining and enhancing mission-critical infrastructure technology for some the world’s most established banks and financial institutions. 

An opportunity to make significant impact by identifying and implementing improvements that enhance the performance, scalability and reliability of high-volume payment systems. You’ll ensure our platform runs seamlessly, contributing to the backbone of UK financial operations. 

You’ll collaborate with a team of talented senior engineers, tackling the challenges of securely processing millions of transactions per day, driving forward the operational excellence needed to maintain a high-performance, critical service. 

 

WE’RE LOOKING FOR 🔍 

Essential 

• Deep understanding of designing and building distributed systems 

• Enjoys working on complex challenges within critical software where high performance and robustness are essential 

• Familiarity with cloud and containerisation technologies, test automation tools and CI/CD pipelines 

• Interest in owning projects end-to-end and supporting them as they go live in production  

• Appreciation of clean code and software engineering best-practice  

• Experience with Go, along with a “right tool for the job” mentality  

• Great communication skills who enjoy sharing knowledge and collaborating with others 

 

Desirable 

• A passion for working on mature products and a drive to improve them. 

• Interest in DevOps, specifically running applications in Kubernetes. 

• Experience of tools like Prometheus and Grafana, leveraging them to build a robust product observability model. 

• Fearless debugging skills, working through multiple layers and confidently stepping into unknown environments and exploring them.  

• A knack for identifying opportunities for internal tooling and building it.  

 

TECH STACK ⚙️ 

Here are a few of the tools and methodologies we utilise:  

Infrastructure: AWS, GCP, Azure, Kubernetes, Hybrid Cloud 

Platform: CockroachDB, Vault, NATS, Cilium   

Tools: Terraform, GitHub, Prometheus, Pact.io, Tilt 

Code: Go, containerised microservices, open source  

Ways of working: Pair Programming, 100% remote, SecDevOps 

 

THE TEAM 👥 

Team Size: You’ll be joining a group of 6-7 Senior Engineers, led by Lead Engineer. 

Daily Routine: UK teams have an optional daily sync/social meeting, with daily updates provided asynchronously via Slack. 

Responsibility: You’ll take ownership of the entire delivery process. This includes problem exploration, solution development, and collaborating across other functions (Product, Customer Operations, etc.) 

Workflow: We embrace flexible workflow, adapting to the needs of our projects and team members. Our approach is similar to Kanban. 

Estimates & Planning: Most work is customer facing, so clear communication of delivery dates is key to managing expectations. We aim to keep the process light and efficient. 

Customer support: You’ll support high-volume payment products for large financial institutions and banks, helping resolve queries and investigating transaction anomalies. While day-to-day interaction with customers is minimal (we have dedicated teams