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Envoy API Engineer

Uniting PeopleGlasgow, Lanarkshire🇬🇧United KingdomPosted 18 Aug 2026

Quick Overview

Work Type
On Site
Schedule
Temporary/Casual
Level
Mid Senior

Job Description

Envoy API Engineer

Location: Glasgow - 5 days per week onsite
Contract: 6 months
Rate: £425 per day
IR35: Inside IR35

We are looking for a skilled Envoy API Engineer to join a major banking programme based onsite in Glasgow.

The successful candidate will have strong hands-on experience with Envoy Proxy or Envoy Gateway, API security, cloud-native engineering and modern DevOps tooling.

Banking or financial services experience is essential.

Key Skills & Experience Required

  • Strong programming experience in Golang and/or Java

  • Practical, hands-on cloud-native engineering experience

  • Professional experience with Envoy Proxy and/or Envoy Gateway

  • Strong understanding of RESTful APIs and the OpenAPI Specification (OAS)

  • Hands-on experience implementing authentication and authorisation at API gateway level

  • Strong experience with:

    • OAuth 2.0

    • OpenID Connect (OIDC)

    • JWT validation

    • Mutual TLS (mTLS)

  • Strong DevOps experience, including:

    • CI/CD

    • Kubernetes

    • Terraform

This is a hands-on engineering opportunity within a major banking environment, ideal for an experienced API Engineer with strong Envoy and cloud-native expertise.

Please note: This role is 5 days per week onsite in Glasgow. Banking/financial services experience is essential.

Rate: £425/day Inside IR35 | 6-month contract

Skills

API Gateway
Envoy
OAuth
Go
JWT
Java
Kubernetes
Terraform

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