Fullstack Developer

Mid • Hybrid

16,000 - 22,000 PLN

Katowice, Poland

What we achieve together

By designing advanced planning applications, you contribute directly to the scalability of our digital solutions across international markets.

Develop robust backend APIs for scheduling, allocation logic, and core platform modules
Create responsive user interfaces with a strong focus on performance, accessibility, and data visualization
Shape your own AI-supported development environment using modern tools
Take ownership of the platform lifecycle from architectural strategy to operations, including CI/CD and cloud-based environments
Design and implement automated tests to ensure a stable, secure, and future-proof product landscape

What makes us successful together

Qualification:

Degree in Computer Science, Software Engineering, or a comparable field

Experience:

At least 3 years of hands-on experience in fullstack development within complex, enterprise environments

Know-how and skills:

Strong expertise in React, Next.js, Node.js, Java, and Spring Boot
Solid knowledge of REST APIs, databases, and cloud environments such as Microsoft Azure

Nice to have:

Experience with Docker, Kubernetes, Terraform, CI/CD pipelines
Experience with integration of AI or Large Language Models

Personality:

Collaborative team player who enjoys sharing knowledge
Comfortable working in agile environments such as Scrum or Kanban

Language skills:

English proficiency at minimum B2 level

What you can count on

Flexible work model:

Adjustable starting times (7:30 – 9:00 AM)
Hybrid work model (70/30)
Up to 30 days of remote work from abroad from selected countries

Health & Wellness support:

Private medical care (Medicover)
Sports card subsidy (Multisport)
Group insurance (Warta)
Ergonomic office spaces

Time off & balance:

Additional 2 paid days off
Subsidies for recreation

Financial perks:

Up to 30% discount on company products
Support for commuting and eyewear

Growth & Development:

Access to internal training
Mentoring programs
Self-learning language platform (eTutor)
Opportunity to work on international projects

Culture & Community:

Company events
Family-friendly activities
Open internal opportunities

We promote equity and do not tolerate any form of discrimination. We value the uniqueness of each individual and encourage all people to apply.

Vaillant Group Business Services

Vaillant Group Business Services is a prominent player in the heating and energy solutions industry, recognized as one of the world's leading providers of heat pumps, digital services, and efficient gas heating appliances. With a rich history spanning over 150 years, this family-owned business is deeply committed to sustainability and environmental responsibility, striving to create a better climate both in homes and globally. The company operates with a strong emphasis on innovation and transformation, aiming to become a data-informed business. Vaillant Group values diversity, equity, and personal development, fostering an inclusive environment where the uniqueness of each individual is celebrated. With a workforce of approximately 16,000 employees across more than 70 countries, the company is dedicated to promoting personal growth and ensuring a sustainable future for the planet.

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