Senior Backend Engineer / Architect

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.