Backend Engineer

3 weeks ago


Gurugram, India U2opia Mobile Full time

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.

(ref:hirist.tech)
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