💻 C#.NET Core Backend Engineer | 💳 Greenfield Payments Platform | £130,000 + Bonus + Benefits | Hybrid (London)

💻 C#.NET Core Backend Engineer | 💳 Greenfield Payments Platform | £130,000 + Bonus + Benefits | Hybrid (London)

🚀 Join a brand-new Payments Engineering team within a leading financial group as they build a modern, event-driven payments platform completely from scratch.

As a Backend C#.NET Core Engineer, you’ll be part of a small, high-impact team designing scalable, reliable services that power real-time payment flows, settlements, and reconciliations across the business. This is a greenfield project with plenty of ownership and visibility from day one.

⚙️ What You’ll Be Doing

• 💡 Designing and developing C#.NET Core microservices and APIs for payments, settlements, and orchestration
• ⚡ Building event-driven components with Kafka, RabbitMQ, or Azure Service Bus for real-time processing
• 🔍 Owning system performance, reliability, and scalability — including monitoring, tuning, and fault tolerance
• 🤝 Collaborating with Product, Platform, and Security teams to build compliant, scalable payment systems
• 🧩 Driving engineering excellence — CI/CD, testing, observability, and automation across the stack

🧠 Tech Stack

• 💻 C#.NET Core, REST/gRPC, microservices architecture
• 📬 Kafka, RabbitMQ, or Azure Service Bus (event-driven systems)
• ☁️ Azure / AWS, Docker / Kubernetes, IaC, CI/CD (Azure DevOps, GitHub Actions)
• 🗄️ SQL Server / PostgreSQL, caching / NoSQL experience welcome
• 🧪 xUnit / NUnit, contract testing, OpenTelemetry, Grafana / Prometheus, ELK Stack

🔍 What We’re Looking For

• ✅ Strong backend engineering experience using C#.NET Core
• 🔁 Solid knowledge of event-driven architectures and message brokers (Kafka, RabbitMQ, etc.)
• 🧮 Deep understanding of distributed systems, scalability, and resilience
• 💬 Background in payments, fintech, or other high-throughput, regulated environments is a big plus
• 💪 Self-starter who enjoys autonomy, collaboration, and greenfield problem-solving

🌍 What’s on Offer

• 💷 £130,000 base salary + strong bonus + excellent benefits
• 🏢 Hybrid working — typically 3 days per week in the London office
• 🧑 💻 Join a brand-new Payments team with huge impact and full technical ownership
• 🎉 Great culture with collaboration, innovation, and genuine career growth

📩 Interested?

Send your CV to [email protected] or reply directly to this advert — let’s have a chat!