Praca w miastach:Praca IT Warszawa•Praca IT Kraków•Praca IT Wrocław•Praca IT Szczecin•Praca IT Poznań•Praca IT Lublin•Praca IT Katowice•Praca IT Bydgoszcz•Praca IT Łódź•Praca IT Białystok•Praca IT Toruń•Praca IT Gdańsk
Stanowiska:Grafik komputerowy praca•Tester gier praca•Programista praca•Tester oprogramowania praca•Frontend Developer praca•Data scientist praca•Tester manualny praca•Tester praca•Analytics praca•Tester aplikacji praca•Programista java praca•Web developer praca
Technologie i narzędzia:Python praca•Cyberbezpieczeństwo praca•Java praca•Bazy danych praca•Cisco praca•C++ praca•Javascript praca•SQL praca•Business Intelligence praca•Delphi praca•Wordpress praca•Testowanie aplikacji praca•C# praca•PHP praca
Specjalizacje:Backend praca•Devops praca•Frontend praca•Full-stack praca•GameDev praca•Mobile praca•Embedded praca•Architecture praca•QA/Testing praca•Security praca•AI/ML praca•Big data science praca•Helpdesk praca•IT admin praca•Agile praca•Product Management praca•Project Management praca•UX/UI praca•Business analytics praca•SAP & ERP praca•System analytics praca•PO/PM praca•Scrum master praca•Analityka praca•Data analytics & BI praca
Offer summary
(Summary generated by AI based on the full job description)
The project focuses on developing a Data Fabric product with hands-on technical leadership. The main stack includes TypeScript, React, Next.js for frontends and integrations with Java, Spring Boot on the backend. Responsibilities include leading the team, defining technical vision, designing scalable architecture, enforcing secure practices (OAuth2, JWT), performance optimization, and overseeing automated testing and observability.
from: 28 September 2026
to: 28 October 2026
30 000 - 33 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:lead
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland
Requirements
Expected technologies
TypeScript
React
Next.js
Java
Spring Boot
Optional technologies
React Query
Redux Toolkit
PostgreSQL
Vitest
Playwright
JUnit
Operating system
Windows
Our requirements
- Proven experience in a Tech Lead, Lead Developer, or similar leadership role.
- Strong hands-on development background in TypeScript, React, Next.js, and modern frontend architectures.
- Experience delivering full-stack solutions, including working knowledge of Java and Spring Boot.
- Deep understanding of REST APIs, authentication flows (OAuth2, JWT), and secure development practices.
- Ability to guide system design decisions and implement scalable, maintainable solutions.
- Excellent communication skills and experience collaborating with cross-functional teams.
Optional
- Familiarity with React Query, Redux Toolkit, PostgreSQL, and containerized/cloud-native environments.
- Exposure to observability tools (OpenTelemetry, Micrometer) and automated testing frameworks (Vitest, Playwright, JUnit).
Your responsibilities
- Lead and mentor a team of developers, fostering high standards for coding, reviews, and technical design.
- Define and communicate technical vision, standards, and best practices across frontend and backend domains.
- Design scalable and maintainable architecture for TypeScript/Next.js frontends and integrations with Java Spring Boot services.
- Collaborate with product managers, UX, and data teams to refine requirements and ensure smooth delivery.
- Drive secure coding practices, performance optimization, and reliability in production systems.
- Oversee quality through automated testing, observability, and continuous improvement processes.
- Troubleshoot and resolve complex issues across UI, API integrations, and infrastructure.
- Support roadmap planning, technical documentation, and stakeholder communication.
- Note: Detailed project information will be shared during the recruitment process.
About the project
As a Tech Lead, you will drive the technical vision and hands-on development of Data Fabric products. You’ll lead and mentor engineers, establish best practices, and deliver robust, secure, and high-performing solutions across the stack – from modern UIs to backend integration. Your leadership will shape the engineering culture and ensure alignment between technology and business goals.
Sounds like your kind of challenge?
This is how we organize our work
This is how we work
at the client's siteagile
This is how we work on a project
- Continuous Deployment
- Continuous Integration
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 – 2 days a week from the office
- 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.
Tech Lead
30k–33k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Kraków, Lesser Poland
Pracodawca zbiera zgłoszenia przez swój system.
Przejdziesz na zewnętrzny formularz.
By clicking "Aplikuj" you confirm that you've read and accepted our Terms and Conditions.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Need more information?
- Make sure the body of the offer doesn’t already include what you’re looking for.
- Ask a question if you need more information you’re interested in.
- We’ll forward your question to the employer and aim to provide a response within 3 business days.