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Orbis Consultants Logo Orbis Consultants · IT - Software Development

Senior Backend Engineer

United Kingdom · Job Posted December 11, 2025
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Job Description

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.

Job Responsibility

  • 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

Requirements

  • 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
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