Envoy API Engineer - Banking (Glasgow Onsite)

Uniting People; Glasgow; On-site; GBP 67,000 - 90,000; Full time

Job summary

Uniting People in Glasgow is urgently seeking an API Engineer with strong hands-on Envoy Proxy/Gateway experience to join a major banking technology programme. This 6-month contract is onsite, paying £425 per day, Inside IR35.

Candidates must have proven Envoy expertise, plus strong Java or Golang, REST, OAS, OAuth2/OIDC, JWT, mTLS, and Kubernetes. Responsibilities include configuring Envoy, managing API routing and gateway policies, troubleshooting proxy issues and contributing to CI/CD and

Qualifications

• Proven hands-on Envoy Proxy or Envoy Gateway experience essential.
• Strong Java or Golang development experience.
• Experience with REST APIs and OpenAPI specifications (OAS).
• Experience implementing gateway authentication (OAuth2/OIDC) and JWT validation.
• Experience in Kubernetes/cloud-native environments and IaC tooling (Terraform).
• CI/CD pipelines and Git-based configuration management.

Responsibilities

• Design, configure and support Envoy Proxy/Envoy Gateway within a cloud-native banking environment.
• Configure and manage API routing, services, upstreams and gateway policies.
• Troubleshoot complex API routing, connectivity and proxy issues.
• Implement API authentication and authorisation at gateway level.
• Support secure and highly available API gateway architectures.

Skills

Envoy Proxy

Java or Golang

REST API

OpenAPI (OAS)

OAuth 2.0/OIDC

JWT validation

mTLS

Kubernetes

Terraform

CI/CD

Git

Tools

Docker

Job description

Uniting People in Glasgow is urgently seeking an API Engineer with strong hands-on Envoy Proxy/Gateway experience to join a major banking technology programme. This 6-month contract is onsite, paying £425 per day, Inside IR35.

Candidates must have proven Envoy expertise, plus strong Java or Golang, REST, OAS, OAuth2/OIDC, JWT, mTLS, and Kubernetes. Responsibilities include configuring Envoy, managing API routing and gateway policies, troubleshooting proxy issues and contributing to CI/CD and