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Backend Engineer, Berlin

Air Apps· Engineering
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Remote€52k - €65kFull-timePosted 5mo ago

About the role

Backend Software Engineer responsible for designing, building, and maintaining server-side components. Collaborates with product managers, frontend developers, and cross-functional teams to deliver robust and scalable backend services that power critical features and support rapid growth. Fully onsite in Lisbon with relocation support available.

Responsibilities

  • API & Service Architecture - Design and build RESTful or GraphQL APIs, microservices, and business logic using Node.js and TypeScript.
  • Database Design & Integration - Model data and manage queries using Supabase and PostgreSQL, including functions, row-level security, and real-time features.
  • Cloud Infrastructure - Deploy and manage services on Google Cloud Platform (GCP), particularly with Cloud Run, Cloud Functions, IAM, and Pub/Sub.
  • Code Quality & Testing - Write clean, testable code using unit, integration, and end-to-end testing frameworks (e.g., Jest). Contribute to code reviews and quality assurance practices.
  • Security & Reliability - Implement secure-by-default solutions for authentication, authorization, and data protection, following Clean Code and Clean Architecture principles.
  • Monitoring & Operations - Set up logging, monitoring, and alerting for backend services. Own incident response and uptime improvements.
  • Team Collaboration - Participate in architecture discussions, mentor team members, and document decisions and systems for internal knowledge sharing.

Qualifications

  • 5+ years in backend engineering roles
  • Proficiency in Node.js and TypeScript
  • Strong experience with Supabase or equivalent PostgreSQL-based backend services
  • Hands-on experience with cloud platforms (e.g., GCP, AWS, Azure), including deploying and managing services using serverless compute (e.g., Cloud Run, AWS Lambda, Azure Functions)
  • Solid knowledge of Clean Code and Clean Architecture practices
  • Experience with API design (REST) and cloud-native application development
  • Familiarity with CI/CD pipelines, testing tools, and Git workflows
  • Strong grasp of security principles, data protection, and compliance best practices
  • Effective communicator and proactive team contributor

Skills

Required:Node.jsTypeScriptSupabase / PostgreSQLGCP / Cloud Run / Cloud FunctionsSecurity & Clean Architecture

Benefits

  • Apple hardware ecosystem for work
  • Annual Bonus
  • Top-tier Health and Life Insurance
  • Transportation Budget
  • Coverflex benefits package for meal allowances, well-being, and more
  • Childcare support
  • Air Conference
  • Pension Fund
  • Urban Sports Club membership
  • Meals 100% free at the hub
Last updated Oct 15, 2026. Interested? Apply on the company site.

About Air Apps

Where AI Meets AR to Empower Your World.

Air Apps is a company that integrates AI and AR technologies to create innovative applications for productivity, fitness, creativity, and learning.

aiarproductivityfitnesscreativitylearning
Company profileWebsite

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