Senior Backend Engineer – API Design & Development

Full Time
  • Full Time
  • India

Join a fast‑growing international tech team building telecom platforms for Europe. You’ll own the design and delivery of reliable, secure customer‑facing APIs.

What You’ll Do

  • Gather and refine API requirements with customers, partners, and product owners.
  • Design contract‑first APIs using OpenAPI, defining resources, schemas, errors, pagination, idempotency.
  • Implement production‑grade REST APIs with versioning, deprecation, and backward‑compatibility strategies.
  • Define authentication, authorization, scopes, and roles to secure customer‑ and partner‑facing endpoints.
  • Create clear developer documentation, examples, and reference integrations; support integrators during onboarding.
  • Set up automated contract, integration, security, and performance testing; feed feedback into redesign.

What You Need

  • 8+ years backend engineering with production API design and delivery.
  • Proven expertise creating OpenAPI/Swagger contracts and treating specs as first‑class deliverables.
  • Strong grasp of OAuth 2.0/OIDC, scopes, roles, and API security best practices.
  • Proficient with relational databases and writing clean, well‑tested code (unit/integration).
  • Experience collaborating directly with customers, partners, or third‑party integrators.
  • Excellent communication skills; ability to produce clear developer‑facing documentation.

Good to Have

  • Telecom/VoIP domain knowledge.
  • PHP 8.x/Laravel and OOP experience.
  • Familiarity with contract testing tools (Spectral, OpenAPI diffing).
  • Hands‑on with Docker, Kubernetes, and CI/CD pipelines.

The Opportunity

The role sits in a young, international team where decisions travel fast and colleagues support each other daily. Peoplefone also allocates dedicated training time and budget to help you grow.

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