Backend Engineer

4 days ago


Gurgaon, Haryana, India U2opia Mobile Full time ₹ 15,00,000 - ₹ 25,00,000 per year

Role : Backend Engineer (Telecom APIs & Systems)

Location : Gurgaon

Experience : 4 - 6 years

Type : Full-time

About The Role
We are looking for a Backend Engineer to design, build, and maintain entitlement

server modules, APIs, and automation workflows. You will work closely with telecom

integration engineers to enable seamless SIM-based authentication and entitlement

flows.

Responsibilities

  • Develop backend services and APIs (Java Spring Boot, Python, or Go).
  • Implement entitlement server logic for silent authentication (EAP-AKA, fallback).
  • Build microservices, containerized deployments (Docker, Kubernetes, Helm).
  • Maintain CI/CD pipelines (GitHub Actions, GitLab, Jenkins).
  • Implement logging, monitoring, and observability (Prometheus, Grafana, ELK).
  • Collaborate with QA for automated test suites (unit + integration, >70% coverage).
  • Work with integration engineers to expose APIs for HSS, AAA, UDM, PCRF.
  • Ensure security-first development : input validation, encryption, token flows.

What We're Looking For

  • Strong backend development experience (Java, Go, or Python).
  • Solid understanding of REST/GraphQL APIs, microservices, and API gateways.
  • Familiarity with containerization (Docker/K8s) and cloud deployment practices.

  • Good knowledge of authentication/authorization flows (OAuth2, OpenID, or telecom-

specific EAP-AKA preferred).

  • Exposure to telecom or networking systems is a plus.

)


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