Envoy API Engineer

Company: Uniting People
Apply for the Envoy API Engineer
Location: Glasgow
Job Description:

Envoy API Engineer

Location: Glasgow – 5 days per week onsiteContract: 6 monthsRate: £425 per dayIR35: 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

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Posted: September 22nd, 2026