Principal API Gateway Engineer

This role is in one of ArpuPlus' business units, CloudCom, and will play a key role in building and scaling the API gateway layer supporting CloudCom's telecom and Network API capabilities.

• Design and build the API gateway layer for CAMARA-style and TM Forum-aligned APIs
• Implement routing, authentication hooks, rate limiting, throttling, request validation, and policy enforcement
• Define gateway patterns for multi-tenancy, versioning, API lifecycle management, and high availability
• Work with the Telecom Standards Architect to translate API standards into deployable services
• Guide backend engineers on API design, OpenAPI specifications, and platform engineering practices
• Evaluate and integrate gateway technologies such as Kong, Apigee, Tyk, NGINX, Envoy, or similar
• Support performance tuning, scalability, and resilience of the platform

• Bachelor's degree in computer science or any other related field
• More than 10 years of experience in the related field
• Strong backend engineering experience with API platforms or gateway technologies
• Experience with REST APIs, OpenAPI, OAuth2, OIDC, mTLS, and API security
• Strong cloud-native experience, preferably Kubernetes and microservices
• Experience building highly available, production-grade platforms
• Telecom, fintech, cloud platform, or identity platform experience is a strong plus