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Senior Software Engineer

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AI overview

Contribute to the transformation of digital travel experiences through innovative API solutions while modernizing legacy systems and mentoring junior developers.

This role is at Paxport - Pax2pay's sister company

Overview

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

Being a small team working in an agile environment you will directly influence the evolution of our products. We’re heavily focused on aggregating APIs; both deg our own and integrating those offered by suppliers (airlines etc). We also love aggregating data; importing / exporting and all steps in between.

Are you a seasoned Java Developer who thrives on complex challenges, including navigating and modernizing critical legacy systems? Do you possess the technical depth to build cutting-edge solutions while ensuring the stability of existing infrastructure? Join our dynamic team where you will be instrumental in evolving our core platform.

About the Role

We are seeking a highly experienced Senior Java Developer to join our engineering department. This role is unique and critical, requiring a strong background in modern Java development practices (Java 17+) coupled with a deep, practical understanding of older/legacy enterprise systems. You will be tasked with developing new features, optimizing performance, and strategically migrating components from our legacy codebase to a modern architecture.

The ideal candidate will be a collaborative problem-solver, capable of deg large-scale system improvements and mentoring junior team members.

Key Responsibilities

• 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.

Required Qualifications

Experience: 7+ years of professional software development experience, primarily with Java.

**Java Expertise:**Mastery of modern Java (Java 17+) and the Spring framework (Spring Boot).

Legacy Systems: Proven ability to understand, debug, and work effectively with older Java versions (e.g., Java 8, 7) and related enterprise technologies.

**Database Skills:**Strong proficiency in SQL.

Cloud/DevOps: Experience with GCP cloud platform and CI/CD pipelines (e.g., Jenkins, GitLab CI).

**Testing:**Expertise in unit, integration, and system testing.

**Microservices:**Experience with microservices architecture and containerization technologies (Docker, Kubernetes).

**Scale:**Working with large-scale, high-availability systems.

Location and Work Model

• Location: Remote Sweden / Hybrid / Stockholm Office

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