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API Engineer

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Onsite

API Engineer

Dabster

API Engineer

Skills

GolangJavaSwagger/OpenAPIAWSKubernetesTerraform

2 months ago

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Important information


Contract type:

Freelance / Contract

Location:

Glasgow, UK

Work mode:

Onsite

Published on:

19 August 2026

What they need


API Gateway & Cloud-Native API Engineer – Kong / Envoy

Role Overview

We are looking for an experienced API Gateway & Cloud-Native API Engineer with strong hands-on experience in Kong API Gateway and/or Envoy Proxy/Envoy Gateway . The ideal candidate will have a strong programming background, preferably in Golang , combined with expertise in API management, API security, cloud-native technologies, Kubernetes, CI/CD, and Infrastructure as Code.

The role will be responsible for designing, developing, securing, deploying, and supporting enterprise-grade APIs and API gateway/proxy solutions across Kong and Envoy environments.

Required Qualifications, Capabilities & Skills

  • Programming Languages: Advanced proficiency in one or more programming languages, particularly Golang . Experience with Lua and/or Java is also highly desirable.
  • API Gateway / Proxy Technologies: Professional hands-on experience with one or more API gateway or proxy technologies, including:
  • Kong API Gateway
  • Envoy Proxy / Envoy Gateway
  • Apigee
  • MuleSoft
  • Kong API Management: Hands-on experience with Kong Gateway , including API routing, policies, plugins, configuration, and gateway management.
  • Envoy: Professional experience with Envoy Proxy or Envoy Gateway , including configuration, routing, traffic management, and cloud-native proxy capabilities.
  • Cloud-Native Operations: Practical hands-on experience working with cloud-native architectures and containerized environments .
  • API Design: Strong understanding of OpenAPI Specification (OAS) and RESTful API design principles.
  • API Security: Hands-on experience implementing API authentication and authorization at the gateway/proxy layer, including:
  • OAuth 2.0
  • OpenID Connect (OIDC)
  • JWT validation
  • Key-based authentication
  • Mutual TLS (mTLS)
  • DevOps & Automation: Strong experience across the DevOps toolchain, including:
  • CI/CD
  • Kubernetes
  • Terraform
  • Containerized deployments
  • Infrastructure as Code
  • Cloud Platforms: Strong understanding of deploying and operating API gateway/proxy solutions in cloud environments.

Preferred Qualifications, Capabilities & Skills

  • Hands-on experience with both Kong and Envoy .
  • Strong Golang development experience.
  • Experience developing or extending Kong plugins using Lua .
  • Experience with Java in API or cloud-native environments.
  • Experience with AWS , particularly:
  • ECS
  • EKS
  • MSK
  • Experience with Kubernetes-based API gateway and proxy deployments .
  • Experience with Envoy Gateway, service mesh, ingress, or cloud-native networking .
  • Experience with API gateway migration, modernization, or platform engineering initiatives.
  • Experience with API lifecycle management, traffic management, routing, rate limiting, authentication, authorization, and observability.
  • Strong understanding of cloud-native security and networking principles.

Key Responsibilities

  • Design, develop, configure, and maintain enterprise API gateway and proxy solutions using Kong and/or Envoy.
  • Implement secure API access using OAuth 2.0, OIDC, JWT, mTLS, and key-based authentication .
  • Develop and manage API gateway policies, plugins, routing, traffic management, and security controls.
  • Configure and operate Kong Gateway and Envoy Proxy/Envoy Gateway within Kubernetes and cloud-native environments.
  • Develop gateway extensions and custom functionality using Golang and/or Lua where required.
  • Define and implement RESTful APIs using OpenAPI Specification .
  • Build and maintain CI/CD pipelines for API gateway and cloud-native deployments.
  • Automate infrastructure and gateway deployments using Terraform .
  • Work with Kubernetes-based environments including AWS EKS and other container orchestration platforms.
  • Troubleshoot API gateway, proxy, networking, security, and integration issues.
  • Collaborate with application, cloud, security, DevOps, and platform engineering teams.
  • Support API platform modernization and migration initiatives across Kong, Envoy, and other API management technologies .

📩 Interested candidates can share their CV at: [email protected]

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