Fullstack Developer (Java, Python)

Our requirements

• 5+ years of software development experience.
• Strong grasp of SOLID, Clean Code, DDD, and BDD principles.
• Proficiency in Java and Python.
• Extensive experience with the Spring Framework.
• Hands-on experience with SQL/NoSQL databases (e.g., PostgreSQL, MongoDB).
• Experience with event streaming technologies and microservices architecture.
• Ability to mentor and collaborate with engineers on system design and solutions.
• Fluent English communication (written and verbal).
• Experience in Machine Learning, NLP, AI, or Data Science is a plus.

Your responsibilities

• Collaborate within a cross-functional team of 4–6 members, working closely with a dedicated Product Owner (local or geographically dispersed).
• Break down business requirements into iterative user stories and deliver them to production.
• Provide product support as part of the team’s ownership ("the team builds it, the team supports it").
• Identify and address technical debt, balancing it with new feature development.
• Design solutions for new requirements, ensuring alignment with technology guidelines and constraints.
• Engage in pair programming and knowledge-sharing with team members.

This is how we organize our work

This is how we work on a project

• Clean Code
• BDD
• DDD
• Continuous Deployment
• Continuous Integration
• DevOps
• issue tracking tools
• integration tests
• regression tests
• testing environments

What we offer

• Location – Kraków; work model – hybrid
• Stable and long-term cooperation
• Well-defined career path at the European leader in engineering & IT consulting
• Opportunity to relocate and work in different ALTEN Polska branches
• After completion of the project, opportunity to engage in a subsequent one within the company
• Introduction and cooperation with dedicated Competences Manager
• Access to professional certifications with our technology partners (e.g. Google, ISTQB)
• Access to relevant industry events
• Access to the Knowledge Sharing Program
• Access to Referral program

Benefits

• life insurance
• retirement pension plan
• baby layette
• employee referral program
• Medicover medical care
• Medicover dental care
• Medicover Benefits platform
• Medicover Sport card

ALTEN Polska