Backend/API Lead

About the role

You will own the back‑end microservices layer and all API integrations for a multi‑channel digital platform that spans websites, a Super App, kiosks and digital signage. As the technical authority you will design, build and lead Node.js/NestJS services hosted on Azure and ensure seamless integration with dozens of airport and third‑party systems.

Key responsibilities

• Design and implement stateless, modular microservices using Node.js/NestJS on Azure App Service.
• Configure Azure API Management as the central gateway, handling rate limiting, OAuth 2.0, caching, logging and RBAC.
• Own integration delivery for ~18 external systems (FIDS, BHS, AODB, CRM, payment gateways, booking engines, loyalty, weather, identity providers, etc.) using Azure Service Bus, Event Grid and WebSockets.
• Build headless content APIs from Optimizely CMS (GraphQL) to feed Next.js front‑ends and Cloudflare CDN.
• Design data pipelines feeding guest data into Snowflake and syncing segments back to Optimizely for personalization.
• Architect for high performance and resilience (300 concurrent users, auto‑scaling, multi‑region failover, circuit‑breaker patterns).
• Implement security controls (OAuth 2.0/SAML/OpenID, OWASP API Top 10, VAPT remediation) and support DevOps CI/CD pipelines (Azure DevOps, GitLab, SonarQube).
• Lead a growing integration engineering chapter, set coding standards, conduct code reviews and mentor junior engineers.
• Produce technical documentation, runbooks and ensure 99.999% uptime SLA with defined incident restore times.

Required profile

• 8+ years of back‑end engineering experience, with at least 3 years leading multi‑channel digital platforms.
• Deep hands‑on expertise building production‑grade Node.js/NestJS microservices.
• Strong background with Azure services, especially API Management, App Service, Service Bus, Event Grid, SQL and monitoring tools.
• Proven experience delivering complex third‑party integrations in high‑availability environments.

Required skills

• Node.js
• NestJS
• REST, OpenAPI/Swagger
• OAuth 2.0, SAML, OpenID Connect
• Azure API Management, Azure App Service, Azure Service Bus, Azure Event Grid, Azure SQL, Azure Traffic Manager, Azure Monitor
• GraphQL, Optimizely CMS
• Next.js, Cloudflare CDN
• Snowflake
• CI/CD (Azure DevOps, GitLab), SonarQube
• OWASP API Top 10, VAPT remediation