Backend Engineer

About Air Apps

At Air Apps, we believe in thinking bigger—and moving faster. We’re a family-founded company on a mission to create the world’s first AI-powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018—and now with offices in both Lisbon and San Francisco—we’ve remained self-funded while reaching over 100 million downloads worldwide.

As a Backend Software Engineer, you will be responsible for designing, building, and maintaining the server-side components of our applications. You will collaborate closely with product managers, frontend developers, and other cross-functional teams to deliver robust and scalable backend services that power critical features and support rapid growth.

• Architect and Develop Services:
  Design, implement, and maintain RESTful and/or Graph
  
  QL APIs, microservices, and server-side logic to support a variety of products and platforms.
• Database Management:
  Collaborate on schema design, query optimization, and data modeling to ensure efficient, reliable data storage and retrieval.
• System Scalability and Performance:
  Develop solutions that scale to millions of users, optimizing code for throughput, latency, and cost-effectiveness.
• Security and Compliance:
  Implement security best practices (authentication, authorization, encryption) and ensure compliance with relevant data protection and privacy laws.
• Testing and Quality Assurance:
  
  Write and maintain unit, integration, and end-to-end tests, and participate in code reviews to uphold code quality standards.
• Monitoring and Maintenance:
  Set up monitoring, logging, and alerting systems; troubleshoot production issues to ensure high availability and minimal downtime.

• Education & Experience:
  
  Bachelor’s degree in Computer Science or related field, or equivalent practical experience.
• Core
  
  Skills:
  
  Proficiency in one or more backend languages (e.g., Java, Go, Python, Ruby), experience with frameworks (e.g., Spring Boot, Django, Express.js), and expertise with relational and/or No
  
  SQL databases.
• Architecture & Tools:
  Solid understanding of distributed systems, microservices, and cloud infrastructure (AWS, GCP, or Azure).
• Soft Skills:
  
  Analytical and problem‑solving mindset, effective communication skills, and a collaborative approach to teamwork.

• Apple hardware ecosystem for work.
• Annual Bonus.
• Medical Insurance (including vision & dental).
• Disability insurance - short and long‑term.
• 401k up to 4% contribution.
• Air Conference – an opportunity to meet the team, collaborate, and grow together.
• Transportation budget.
• Free meals at the hub.
• Gym membership.

At Air Apps, we are committed to fostering a diverse, inclusive, and equitable workplace. We enthusiastically welcome applicants from all backgrounds, experiences, and perspectives. We celebrate diversity in all its forms and believe that varied voices and experiences make us stronger.

At Air Apps, we value transparency and integrity in our hiring process. Applicants must submit their own work without any AI-generated assistance. Any use of AI in application materials, assessments, or interviews will result in disqualification.