London Onsite Cloud API Engineer (Golang/Lua)

W3Global; Greater London; On-site; GBP 65,000 - 90,000; Full time

Job summary

W3Global in London is seeking an API/DevOps specialist for a 6-month onsite contract. You will work on cloud-native API platforms, design APIs with OpenAPI, and secure gateways using OAuth 2.0, OIDC, JWT, and mTLS. Experience with API management (Apigee, Kong, MuleSoft) and DevOps tooling (CI/CD, Kubernetes, Terraform) is essential.

Advanced proficiency in Golang or Lua is required, with strong cloud-native operations and gateway security skills for the project.

Qualifications

• Advanced proficiency in one or more programming languages (Golang or Lua).
• Hands-on cloud-native operations experience.
• Experience with API management technologies (Apigee, Kong, MuleSoft).
• Strong understanding of OpenAPI Specification (OAS) for RESTful APIs.
• Hands-on API security including OAuth 2.0, OIDC, JWT, key-auth, and mutual TLS.

Skills

Golang

Lua

Cloud-native operations

API design (OpenAPI)

API security (OAuth 2.0, OIDC, JWT, m‑

API management (Apigee, Kong, MuleSoft

DevOps toolchain (CI/CD, Kubernetes,,-

Tools

Kubernetes

Terraform

Apigee

Kong

MuleSoft

OpenAPI

Job description

W3Global in London is seeking an API/DevOps specialist for a 6-month onsite contract. You will work on cloud-native API platforms, design APIs with OpenAPI, and secure gateways using OAuth 2.0, OIDC, JWT, and mTLS. Experience with API management (Apigee, Kong, MuleSoft) and DevOps tooling (CI/CD, Kubernetes, Terraform) is essential.

Advanced proficiency in Golang or Lua is required, with strong cloud-native operations and gateway security skills for the project.