Senior Java Software Engineer

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.

It serves 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.

Role Description

• Design, develop, and maintain cloud-based applications using Java.
• Review proposed solutions to ensure alignment with CTO Platforms objectives and standards.
• Champion high standards in software engineering, including code quality, security, and maintainability.
• Deliver comprehensive automated testing (unit, integration, and regression) as part of every change.
• Approach technical challenges with an open, collaborative mindset.
• Take initiative to improve developer experience and efficiency.
• Provide guidance, coaching, and technical support to less experienced colleagues.

Requirements

• Strong written and verbal communication skills, with business-level English and the ability to engage diverse stakeholders.
• Strong software engineering fundamentals with a polyglot mindset; ability to deliver in multiple languages and ecosystems.
• Experience with Java and frameworks such as Spring/Spring Boot (desirable but not essential; candidates strong in other languages and motivated to learn Java are welcome).
• Strong grasp of functional, non-blocking, and asynchronous programming; familiarity with modern concurrency models and reactive approaches.
• Experience with security software and exposure to secure engineering practices (desirable).
• Hands-on cloud experience: designing, building, and operating workloads in the cloud.
• Strong testing approach: applying the right testing techniques (unit, integration, contract, end-to-end).
• Performance testing knowledge (nice to have): familiarity with performance test design, execution, and result interpretation.
• API security at scale (beneficial): knowledge of securing high-volume APIs, including authentication, authorization, and threat mitigation.
• High attention to detail: consistent focus on quality, accuracy, and maintainability.

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!

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