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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on building a leading Banking-as-a-Service (BaaS) platform in the UK. Key technologies include React, JavaScript/TypeScript, Node.js, GraphQL and testing tools such as Jest, Cypress, Pact. Responsibilities cover developing and maintaining scalable front-end applications, integrating with REST APIs, implementing Test Driven Development, and collaborating with QA teams. Flexible cooperation model is offered along with medical care, sports benefits, and professional development support.
from: 20 July 2026
to: 19 August 2026
26 000 - 30 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:mid • senior
working mode:hybrid
location:Warszawa, Masovian
Warszawa, Masovian
Requirements
Expected technologies
React
JavaScript
TypeScript
Git
Apollo
React Hooks
Webpack
Node.js
GraphQL
Jest
Cypress
Pact
Optional technologies
Kafka
Operating system
Windows
Our requirements
- Solid expertise in React, with deep knowledge of JavaScript/TypeScript and the DOM.
- Demonstrated experience delivering modern web applications in production.
- Strong understanding of REST APIs, asynchronous patterns, and integration practices.
- Experience with Git workflows including branching and merging.
- Familiarity with performance tuning and code optimisation.
- Working knowledge of Apollo (client & server), React Hooks, Webpack, SASS/SCSS.
- Good understanding of Node.js and GraphQL for production environments.
- Competency using automated testing tools (Jest, Cypress, Pact).
- Experience with Test Driven Development in a CI/CD pipeline.
Optional
- Knowledge of event-driven architectures and Kafka.
- Exposure to message-driven or microservice-based systems.
- Interest in UI/UX and design principles.
Your responsibilities
- Develop and maintain React-based applications, ensuring high performance and quality.
- Build reusable components and optimise user interfaces for speed and scalability.
- Integrate front-end applications with REST APIs and asynchronous data flows.
- Apply Test Driven Development practices to deliver robust and maintainable code.
- Work with QA teams to define test scenarios and support functional testing.
- Apply continuous integration and code quality processes using Git, Jest, Cypress, and Pact.
- Participate in incident coordination and triage analysis when required.
- Support product governance and compliance activities when introducing new features.
- Note: Detailed project information will be shared during the recruitment process.
About the project
We are building the future of Banking-as-a-Service (BaaS). Our mission is to create the UK’s leading BaaS platform, powered by innovative technology and backed by reliable infrastructure.
As a Web Engineer, you will work as part of a high-performing agile feature team, developing scalable, secure, and maintainable front-end applications. This is a hands-on position where you’ll use your expertise in React, JavaScript/TypeScript, and modern development frameworks to deliver outstanding web experiences.
Sounds like your kind of challenge?
This is how we organize our work
This is how we work
agilescrum
This is how we work on a project
- TDD
- Continuous Deployment
- Continuous Integration
- test automation
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 – choose the form that suits you best (B2B, employment contract, etc.)
- Hybrid work setup – 2 days per month from the Warsaw 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.
Web Engineer
26k–30k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Warszawa, Masovian
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