Backend Engineer

About the role

Air Apps is looking for a Backend Engineer to design, build, and maintain the server‑side components of its AI‑powered Personal & Entrepreneurial Resource Planner. You will work onsite in Lisbon, collaborating closely with product managers, frontend developers, and other cross‑functional teams to deliver scalable, reliable services.

Key responsibilities

• Design and implement RESTful or GraphQL APIs, microservices, and business logic using Node.js and TypeScript.
• Model data, write queries, and manage security with Supabase and PostgreSQL, including real‑time features.
• Deploy and operate services on Google Cloud Platform (Cloud Run, Cloud Functions, IAM, Pub/Sub) and other cloud providers.
• Write clean, testable code and create unit, integration, and end‑to‑end tests (e.g., Jest).
• Implement secure authentication, authorization, and data‑protection mechanisms following Clean Code and Clean Architecture principles.
• Set up logging, monitoring, alerting, and own incident response and uptime improvements.
• Participate in architecture discussions, mentor teammates, and document decisions.

Required profile

• 5+ years of experience in backend engineering.
• Proficiency with Node.js and TypeScript.
• Strong experience using Supabase or equivalent PostgreSQL‑based services.
• Hands‑on experience with cloud platforms (GCP, AWS, Azure) and serverless compute (Cloud Run, AWS Lambda, Azure Functions).
• Solid knowledge of Clean Code and Clean Architecture practices.
• Experience designing REST APIs and building cloud‑native applications.
• Familiarity with CI/CD pipelines.

Required skills

• Node.js
• TypeScript
• Supabase
• PostgreSQL
• Google Cloud Platform
• Cloud Run
• Cloud Functions
• IAM
• Pub/Sub
• Jest
• REST
• GraphQL
• Clean Code
• Clean Architecture
• CI/CD pipelines
• AWS Lambda
• Azure Functions