Fullstack Developer (Java, Python)

ALTEN Polska; Kraków; On-site; PLN 180,000 - 270,000; Full time

Benefits offered by this job

Medicover medical care

Medicover Benefits platform

Medicover Sport card

Referral Program

Group life insurance

Job summary

ALTEN Polska is seeking a seasoned software professional to join a cross-functional Kraków team. You will break down business requirements into user stories, deliver features to production, and support the system while managing technical debt.

The role requires 5+ years of development experience, strong SOLID/DDD/BDD knowledge, and Java/Python with Spring; SQL/NoSQL experience (PostgreSQL, MongoDB) and fluent English are essential. ML/AI experience is a plus.

Qualifications

• 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.

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.

Skills

Java

Python

Spring Framework

SQL/NoSQL

Microservices

DDD

BDD

SOLID

Clean Code

Mentoring

Fluent English

Machine Learning

Tools

PostgreSQL

MongoDB

Job description

ALTEN – A Global Leader in Engineering and IT Services

Founded in France in 1988, the ALTEN Group is a leading technological partner serving the world’s largest clients. In 2023, it achieved revenues exceeding 4.07 billion euros and employs over 57,000 people, 88% of whom are engineers and IT experts.

ALTEN Polska

has been operating for 13 years, supporting its clients' innovation, research and development, and IT systems. It has offices in Kraków, Warsaw, Wrocław, Gdańsk, and Poznań.

key industries

such as aerospace, space, industrial solutions, automotive, railway, energy, finance, telecommunications, and retail.

Areas of expertise

business analysis, cybersecurity, artificial intelligence, data analysis and cloud solutions, application development, software testing, project management, embedded software, quality management, industrialization, digital transformation, and industrial engineering.

What You’ll Do

• 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.

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.

We offer:

We offer a full-time employment contract

• Stable and long-term cooperation
• Well-defined career path at the European leader in engineering & IT consulting
• Participation in company conferences, trainings, workshops, integration meetings, etc.
• Certification and training opportunities
• 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
• Medicover medical care
• Medicover Benefits platform
• Medicover Sport card
• Referral Program
• Layette for a newborn employee’s child
• Group life insurance

We also offer cooperation based on a B2B or Contract of mandate (UZ). As part of this cooperation, you may have the opportunity to:

• Access the Medicover Sport program on a self-funded basis
• Access the Medicover Platform
• Access Allianz insurance option on a self-funded basis
• Access expert’s support from Competences Center and Practices & Expertise functions
• Support additional business initiatives (PoCs, client engagements, and technical assessments) under a separately agreed scope
• Access to professional certifications with our technology partners (e.g. Google, ISTQB)
• Participate in relevant industry events
• Participate in the Knowledge Sharing Program
• Participate in Referral program
• Continue cooperation through subsequent projects, after completion of the project

Join our team and let’s build tomorrow’s world today!

You may withdraw your consent at any time by contacting us at [e-mail], which will result in the termination of the recruitment process and the exclusion of your application from future recruitments.

NOTICE:

We kindly inform you that we will contact the selected candidates.