Senior Backend Engineer
Posted Today by Orbis Group
Negotiable
Inside
Remote
United Kingdom
Summary: The role of Senior Backend Engineer involves developing backend systems for a tech-first fintech company, focusing on Golang, Python, or Java. The position requires building scalable, high-performance systems that enhance user experience and business outcomes. The engineer will work with distributed systems and cloud infrastructure while collaborating with various teams to deliver impactful products. This is an inside IR35 position with a fully remote working arrangement.
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
Salary (Rate): undetermined
City: undetermined
Country: United Kingdom
Working Arrangements: remote
IR35 Status: inside IR35
Seniority Level: Senior
Industry: IT
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