Senior Java Developer (Travel Tech)

TL;DR

Senior Java Developer (Fintech): Developing new features, optimizing performance, and strategically migrating components from legacy codebase to a modern architecture with an accent on modern Java development practices and legacy systems. Focus on designing large-scale system improvements and mentoring junior team members.

Location: Remote Sweden / Hybrid / Stockholm Office

Company

Paxport is a growing travel tech company transforming the digital travel experience by providing innovative, API-first solutions for airlines and travel resellers.

What you will do

• Design, develop, test, and deploy highly performant and scalable applications using Java.
• Spearhead the analysis, refactoring, and strategic modernization of mission-critical legacy systems.
• Collaborate with product managers and other engineers to define feature specifications and deliver high-quality solutions.
• Ensure application stability and performance through rigorous testing and monitoring.
• Contribute to technical documentation and maintain clear code standards.
• Participate in code reviews and architectural discussions.

Requirements

• 7+ years of professional software development experience, primarily with Java.
• Mastery of modern Java (Java 17+) and the Spring framework (Spring Boot).
• Proven ability to understand, debug, and work effectively with older Java versions (e.g., Java 8, 7) and related enterprise technologies.
• Strong proficiency in SQL.
• Experience with GCP cloud platform and CI/CD pipelines (e.g., Jenkins, GitLab CI).
• Expertise in unit, integration, and system testing.
• Experience with microservices architecture and containerization technologies (Docker, Kubernetes).
• Working with large-scale, high-availability systems.