Senior Java Developer for Flight Planning Platform

Infolet; Polska; Hybrid; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Medical care

Job summary

Infolet is developing Flight Plan Manager, an advanced flight planning solution used by numerous international airlines. We seek a senior Java engineer to design, implement, and optimize features within a Scrum team, while maintaining high-quality code, automated tests, and documentation.

You will work on both on-premises and SaaS platforms, collaborating with global engineering groups. The role emphasizes SOLID principles, performance debugging, and strong English/Polish communication.

Qualifications

• 5+ years of professional Java development
• Strong knowledge of Spring and Hibernate
• Understanding of microservices architecture and design patterns
• Experience with API design and SQL databases
• Knowledge of SOLID principles and software design practices
• Experience with Git and Docker
• Understanding of the software development lifecycle and Scrum or Kanban methodologies
• Strong analytical and problem-solving skills
• Good in English and Polish

Responsibilities

• Design, develop, and estimate new product features within a Scrum team
• Develop automated tests and apply Test-Driven Development (TDD) practices
• Maintain and refactor complex codebases, including legacy systems
• Apply SOLID principles and software engineering best practices
• Debug applications, analyse performance, and resolve functional and non-functional issues
• Participate in code reviews and technical documentation
• Collaborate with distributed engineering teams and demonstrate solutions to internal and external customers

Skills

Java

Spring

Hibernate

Microservices

API design

SQL databases

SOLID principles

Git

Docker

Scrum/Kanban

English

Polish

Tools

Git

Docker

Jira

Job description

Infolet is developing Flight Plan Manager, an advanced flight planning solution used by numerous international airlines. We seek a senior Java engineer to design, implement, and optimize features within a Scrum team, while maintaining high-quality code, automated tests, and documentation.

You will work on both on-premises and SaaS platforms, collaborating with global engineering groups. The role emphasizes SOLID principles, performance debugging, and strong English/Polish communication.