Senior Full Stack Engineer

Senior Full Stack Engineer

Miejsce pracy: Kraków

Technologies we use

Expected

• Java
• Spring Boot
• React.js
• Git
• GitHub

Operating system

• Windows

About the project

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.

We are looking for an experienced Senior Full Stack Engineer to join our Data and Insights Technology team, which is responsible for global reporting and analytics across business, technology, and transformation operations. Our mission is to enable effective decision-making through accurate and relevant data insights, covering financial management, manpower planning, delivery tracking, and service resilience.

You will work on designing, developing, and implementing web-based applications, supporting the migration of reporting suites to the cloud, and mentoring team members during technology stack transitions.

Sounds like your kind of challenge?

Your responsibilities

• Design, develop, test, and implement web-based applications independently and as part of a cross-country team.
• Support the migration of the current reporting suite from vendor BI technology to cloud-based solutions.
• Mentor and guide team members, facilitating smooth technology stack changes.
• Follow IT development methodologies and security standards, ensuring adherence to coding best practices and documentation requirements.
• Note: Detailed project information will be shared during the recruitment process.

Our requirements

• Proven experience delivering large-scale web applications in full-stack roles with microservices-based architecture.
• Excellent knowledge of Java (Java 17+), Spring/Spring Boot, and RESTful APIs.
• Strong front-end expertise with ReactJS, JavaScript, TypeScript.
• Hands-on experience with Google Cloud Platform (GCP) products.
• Experience working with relational databases/data warehouses (e.g., PostgreSQL, BigQuery, AlloyDB).
• Familiarity with Git and SCM systems (e.g., GitHub).
• Understanding of CI/CD pipelines (e.g., Jenkins).
• Experience in data visualization (e.g., Apache ECharts) is an advantage.
• Strong communication skills and ability to explain complex technical concepts clearly.
• A natural desire to share knowledge and mentor others.

What we offer

• Flexible cooperation model – choose the form that suits you best
• (B2B, employment contract, etc.)
• Hybrid work setup – 5 days onsite per month
• Collaborative team culture – work alongside experienced professionals eager to share knowledge
• Continuous development – access to training platforms and growth opportunities
• Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
• High quality equipment – laptop and essential software provided

Benefits

• sharing the costs of sports activities
• private medical care
• sharing the costs of professional training & courses
• life insurance

Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.

Mindbox Sp. z o.o.

At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe.

Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.