Senior Backend Developer

GO7 is the group-level brand for a family of companies revolutionizing airline technology. Our mission is to modernize and unify the aviation technology stack across booking, ticketing, inventory, and passenger service systems. We move fast, think big, and work at the intersection of reliability, scale, and innovation.

About the Role

We’re looking for a highly independent and curious Senior Backend Developer to join our team. This role is ideal for someone who thrives on learning through documentation and exploration, enjoys understanding how complex systems communicate, and is passionate about aviation technology.

You will be responsible for designing and implementing critical backend services for our aviation-facing platforms. You’ll work across technologies, embrace versatile problem solving, and play a key role in making our . This is a hands-on development role with system design responsibilities, best suited to engineers who are proactive, versatile in programming, and excited about building infrastructure that powers airline operations at scale.

What You’ll Do

Design, develop, and maintain scalable, multi-tenant backend services for booking and airline system integrations

Work closely with the Group Architect to ensure sound architectural decisions, system cohesion, and performance

Independently research and understand complex backend protocols and documentation in aviation and passenger service systems

Build resilient, production-grade APIs and services that interact with third-party and proprietary airline systems

Collaborate with cross-functional teams including product and QA to deliver reliable, secure, and maintainable software

Own the full lifecycle of your services, from design through deployment and monitoring

Help shape and evolve backend engineering best practices in a high-performance team

5+ years of backend development experience in B2B SaaS or cloud-native environments

Strong proficiency in Java and modern backend frameworks such as Spring Boot

Proven experience designing and building microservices-based architectures

Solid understanding of Clean Code, SOLID principles, and domain-driven design (DDD)

Passion for system design and building distributed, high-availability systems

Self-driven learner who actively explores new domains through documentation, specs, and experimentation

Excellent verbal and written communication skills in English

Tech Stack & Tools

Java, Spring Boot, JPA/Hibernate

PHP, ( ASP classic advantage)

Redis, MySQL/SQL server

Docker, Kubernetes

CI/CD with modern pipelines

AWS cloud services

Git, Agile/Scrum methodologies