React Developer - Cutting-Edge AI Platform

JavaScript

React Developer - Cutting-Edge AI Platform

JavaScript
-, Kraków

Caspian One

Full-time
B2B
Senior
Hybrid
550 USD
Net per day - B2B

Job description

React Developer - Cutting-Edge AI Platform 

(Hybrid, 3 days week in office - Krakow)

Up to 2000 PLN a day

 

A first-class global organisation is assembling a high-performing team of React Developers to join an ambitious AI programme that’s redefining how domain-specific prompt engineering platforms are built. These B2B contracts, offer an opportunity with a forward-thinking tech initiative, offering the chance to work on a dual-platform architecture, from structure to intelligent workflows.

 

We’re looking for developers across a range of experience levels, from mid to senior, to foster a collaborative and balanced team dynamic. You will be a seasoned React Developer with deep expertise in React and modern JavaScript frameworks. You thrive in fast-paced environments where performance and reliability are critical. You have experience with real-time systems and understand the unique challenges of building within financial institutions and their applications.

 

Tech Stack & Requirements

  • 5+ years of experience in React (v17+) and TypeScript

  • Strong command of JavaScript (ES6+) and HTML5

  • Solid experience with UI testing frameworks (e.g., React Testing Library, Cypress)

  • Proficiency in CSS3/Less – not afraid to get hands-on with styling

  • Clean, maintainable coding practices and strong problem-solving skills

  • Experience working with RESTful APIs

  • Familiarity with Agile methodologies (Scrum, XP, Kanban)

  • Excellent communication skills – especially in collaborating with backend teams


Nice to Have:

  • Experience with Redux

  • Background in responsive design

  • Exposure to Node.js for backend integration

 

Why Join this growing division?

  • Be a key part of a visionary AI programme with real-world impact

  • Work on a modular, scalable platform architecture

  • International collaboration with leaders of their field, build with fellow expert engineers and AI specialists

  • Competitive daily rate up to 2,000 PLN

  • Long-term contract security with 2+ years of work already confirmed

  • Opportunity to work on cutting-edge financial technology

Tech stack

    TypeScript

    advanced

    CSS3

    advanced

    HTML5

    advanced

    React

    advanced

    UI

    advanced

    Less

    regular

    Agile

    regular

    RESTful API

    regular

    Redux

    nice to have

    JavaScript

    nice to have

Office location

Published: 30.07.2025