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. Our long-term focus drives us to challenge the status quo every day, pushing the boundaries of AI-driven solutions that truly make a difference. Here, you’ll be a creative force, shaping products that empower people across the globe.

Join us on this journey to redefine resource management—and change lives along the way.

The Role

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.

Please note that this post serves the purpose of enhancing our talent pool while we prepare to launch the official job. As soon as it gets posted we will get in touch with you.

Responsibilities

Architect and Develop Services: Design, implement, and maintain RESTful and/or GraphQL 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.

Requirements

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 NoSQL 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.
• What benefits do we offer?
• 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 Diversity & Inclusion 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.
• Application Disclaimer 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.

Compensation

Range: $80K - $160K