Backend Developer – Golang / Python / Java / Tech-First Fintech – Inside IR35
Our client is a leading, tech-first fintech building backend systems that power millions of users every day. They are looking for a Backend Developer with experience in Golang, Python, or Java who can contribute to scalable, high-performance systems and help deliver impactful products.
Key Responsibilities:
* Build and maintain backend services and APIs in a Golang-first environment, with Python or Java experience welcome
* Work on distributed systems, microservices, and event-driven pipelines handling millions of requests with low latency
* Deploy and operate services on Kubernetes and Docker, leveraging AWS infrastructure such as EC2, S3, Lambda, and RDS
* Implement monitoring and observability using tools like Grafana and Prometheus to track system performance
* Collaborate with product, frontend, and analytics teams to deliver features that make a tangible impact on user experience
* Contribute to CI/CD pipelines, automated testing, and maintainable code practices
Key Skills:
* Golang / Python / Java: solid backend experience, happy to work in a Golang-first environment
* Scalable systems: experience with microservices, event-driven architecture, and high-throughput APIs
* Cloud-native: AWS or GCP experience, containerisation, orchestration, and horizontal scaling
* Product-focused mindset: enjoys building systems that directly improve user experience and business outcomes
* Collaboration: Agile, TDD, CI/CD, and comfortable working closely across teams
Rate: DoE, Inside IR35
Location: Fully remote, UK-based
Duration: 6-month rolling contracts within a multi-year engagement