Key Responsibilities:

Implement scalable REST and GraphQL APIs driven by OpenAPI specifications.
Design and maintain data models with PostgreSQL 16, including migration strategies and pgvector support.
Implement AuthN/AuthZ mechanisms using OIDC/OAuth2 with Azure AD/B2C, including RBAC and rate limiting.
Design event-driven orchestration using Azure Service Bus or similar, ensuring idempotence and retry mechanisms.
Establish observability practices including OpenTelemetry, dashboards, alerting, and defining SLO/SLA.
Ensure security and compliance with key vaults, private endpoints, secret rotation, and GDPR concepts.
Manage CI/CD pipelines using GitHub Actions or Azure DevOps, and deploy infrastructure using IaC tools like Bicep or Terraform.
Implement blue/green deployments and maintain coding standards, API contracts (AsyncAPI), and review processes.
Provide technical leadership through mentoring, code reviews, and enforcing best practices in API design and backend architecture.
Conduct automated testing, performance/load testing, and maintain clean code principles using Jest/Vitest and k6.

Desired Candidate Profile:

5+ years of backend development experience, with 2+ years in a lead or architect role.
Strong expertise in TypeScript/Node.js (Express/Fastify) and API/domain modeling.
Experience with Azure cloud services: AKS/App Service, Azure AD/B2C, Service Bus, Storage/Blob, and Monitor.
Strong SQL skills with PostgreSQL, including query optimization, indexes, migrations, and pgvector basics.
Proficiency in OpenAPI/Swagger, contract testing, and secure API practices (mTLS, JWT, CORS).
Familiarity with clean code, automated tests, and performance/load testing frameworks.
Experience with CI/CD pipelines, containerization (Docker), and monorepo management (pnpm/Turborepo).
Familiarity with search/ranking systems, caching (Redis), feature flags, and HR/ATS integrations is a plus.
Comfortable with API-first development, trunk-based development, and rotating on-call support.

Senior Backend Engineer / Architect