Senior FullStack Java Engineer

ALTEN Polska; Kraków; On-site; PLN 240,000 - 360,000; Full time

Benefits offered by this job

Stable cooperation

Career path

Conferences & trainings

Certifications

Relocation opportunities

Future projects within company

Competences Manager

Medicover medical care

Medicover Benefits

Medicover Sport

Referral program

Layette for newborn

Group life insurance

Job summary

ALTEN Polska is seeking a senior Java developer to design, build and maintain scalable microservices on the Collateral platform using Java 17/21 and Spring Boot. You will contribute across the full development lifecycle, applying DevOps and Agile practices to boost team velocity and quality.

You’ll work with QA, mentor juniors, resolve incidents, and create automation to improve efficiency, translating business requirements into robust technical solutions.

Qualifications

• 8+ years of hands-on Java development experience.
• Proficiency in Java 17/21 and Spring Boot for microservices development.
• Strong knowledge of PostgreSQL and DevSecOps pipeline setup/maintenance.
• 3+ years of experience in Agile and/or DevOps teams.
• Experience with TDD (JUnit, integration tests, regression tests, Cucumber) in CI environments.
• Translate functional requirements into technical solutions.
• Excellent communication skills and a proactive learning attitude.
• Track record of delivering significant projects from conception to completion.

Responsibilities

• Design, develop, and maintain scalable microservices for the Collateral platform using Java 17/21 and Spring Boot.
• Contribute across the full development lifecycle, from conception to deployment.
• Apply DevOps and Agile principles to streamline development and improve team velocity.
• Ensure TDD with JUnit, integration tests, regression tests, and Cucumber for end-to-end testing.
• Collaborate with QA to enhance code quality and efficiency.
• Mentor junior team members and drive innovative solutions for complex challenges.
• Support the platform via incident resolution, monitoring, and problem management.
• Develop automated tools to improve operational efficiency and support functions.
• Translate functional requirements into technical solutions.

Skills

Java

Spring Boot

PostgreSQL

DevSecOps

TDD

Agile/DevOps

JUnit

Cucumber

Communication

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.

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.

What You’ll Do

• Design, develop, and maintain scalable microservices for the Collateral platform using Java 17/21 and Spring Boot.
• Contribute across the full development lifecycle, from conception to deployment.
• Apply DevOps and Agile principles to streamline development and improve team velocity.
• Ensure test-driven development (TDD) with JUnit, integration tests, regression tests, and Cucumber for end-to-end acceptance testing.
• Collaborate closely with QA teams to enhance code quality and development efficiency.
• Mentor junior team members and drive innovative solutions for complex business challenges.
• Support the platform through incident resolution, monitoring, and problem management.
• Develop automated tools to improve operational efficiency and support functions.
• Translate functional requirements into technical solutions.

Requirements

• 8+ years of hands-on Java development experience.
• Proficiency in Java 17/21 and Spring Boot for microservices development.
• Strong knowledge of PostgreSQL and DevSecOps pipeline setup/maintenance.
• 3+ years of experience working in Agile and/or DevOps teams.
• Experience with TDD (JUnit, integration tests, regression tests, Cucumber) in a CI environment.
• Proven ability to translate functional requirements into technical solutions.
• Excellent communication skills and a self-motivated approach to learning new technologies.
• Track record of delivering significant projects from conception to completion.

Nice to Have

• Experience with AI-assisted coding tools (e.g., GitHub Copilot).
• Familiarity with Spring Cloud (Hystrix, Eureka, Zuul, Sleuth, Feign, Ribbon).
• Experience with distributed applications using in-memory data stores (e.g., Oracle Coherence, Redis, Hazelcast).
• Knowledge of REST APIs, messaging systems (MQ, Solace), and automated deployment tools (Ansible).
• Experience with TypeScript, Angular, and HTML5 for full-stack development.
• Cloud experience (GCP/AWS).
• Knowledge of relational databases (Oracle, PostgreSQL).

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.

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.