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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on developing business applications within Mindbox. Core stack includes Java, Spring Boot and React, complemented by TypeScript, HTML5, REST API and SQL. Responsibilities cover building backend and frontend, designing and integrating APIs, writing unit and integration tests, and participating in code reviews. Offered benefits include healthcare, Multisport, insurance and training budget, with a hybrid work model (1–2x/week in office).
from: 23 September 2026
to: 23 October 2026
20 000 - 22 400 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:mid • senior
working mode:hybrid
location:Warszawa, Masovian
Warszawa, Masovian
Requirements
Expected technologies
Java
Spring Boot
React
TypeScript
HTML
SQL
Git
Optional technologies
Kafka
Azure
PostgreSQL
kube
Oracle
Operating system
Windows
Our requirements
- 4+ years of experience in developing applications.
- Strong knowledge of Java and Spring Boot.
- Hands-on experience with React.
- Solid understanding of TypeScript and HTML5.
- Experience with REST APIs.
- Good knowledge of SQL.
- Familiarity with Git.
- Understanding of secure web application practices.
Optional
- Experience with Kafka.
- Cloud technologies (e.g., Azure).
- Kubernetes.
- Databases like PostgreSQL or Oracle.
- Previous experience in enterprise environments.
Your responsibilities
- Developing backend services using Java and Spring Boot.
- Building and enhancing frontend applications in React.
- Designing and implementing REST APIs.
- Integrating applications with external systems.
- Writing and maintaining unit and integration tests.
- Participating in code reviews.
- Ensuring performance, quality, and security of applications.
- Collaborating with other product team members.
- Note: Detailed project information will be shared during the recruitment process.
About the project
You’ll join our client's team focused on developing cutting-edge business applications in a dynamic and collaborative environment. If you thrive on building robust backend systems while contributing to sleek, user-friendly frontends, this role is for you.
Sounds like your kind of challenge?
This is how we organize our work
This is how we work
agile
This is how we work on a project
- Continuous Deployment
- Continuous Integration
- DevOps
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.
What we offer
- Flexible cooperation model
- Hybrid work setup – 1-2x/week from the office in Warsaw
- 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
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.
Java Fullstack Developer (with React)
20k–22.4k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Warszawa, Masovian
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