Currency

Senior Frontend Developer

302 - 398 USDNet per day - B2B
JavaScript

Senior Frontend Developer

JavaScript

Kapelanka 42, Kraków

ITDS

Full-time
B2B
Senior
Hybrid
302 - 398 USD
Net per day - B2B

Tech stack

    English

    B2

    React

    advanced

    TypeScript

    advanced

    JavaScript (ES6+)

    advanced

    HTML5

    advanced

    CSS3

    advanced

    Tanstack Query

    regular

    Zustand

    nice to have

    Tanstack Router

    nice to have

    TanStack Form

    nice to have

    TanStack Table

    nice to have

Job description

Senior Frontend Developer


Join us, and shape the future of seamless digital experiences!

Kraków - based opportunity with hybrid work model (2 days/week in the office).


As a Senior Frontend Developer, you will be working for our client, a leading global financial services provider undergoing a digital transformation to deliver secure, scalable, and user-friendly applications. You will be contributing to the development of large-scale web solutions that impact millions of customers worldwide. This role involves collaborating closely with cross-functional teams, designing and implementing modern user interfaces, and ensuring applications are performing optimally. You will be leveraging cutting-edge frontend technologies to create high-quality, maintainable, and future-ready digital products.


Your main responsibilities:

  • Leading the implementation of complex features and modules from design to deployment

  • Collaborating with designers, backend engineers, and product managers to deliver cohesive solutions

  • Writing clean, well-structured, and well-documented code

  • Participating in code reviews and providing constructive feedback

  • Implementing automated tests to ensure reliability

  • Optimizing application performance for scalability and speed

  • Managing application state using TanStack Query and Zustand

  • Integrating with RESTful APIs

  • Staying current with industry trends and suggesting process improvements

  • Focusing on delivering high-quality experiences for users


You're ideal for this role if you have:

  • Minimum 5 years of experience in large-scale frontend application development

  • Strong proficiency in React and TypeScript

  • Hands-on experience with TanStack Query

  • Practical experience with libraries for state management

  • Advanced knowledge of JavaScript (ES6+), HTML5, and CSS3

  • Experience integrating with REST APIs

  • Skilled in writing automated tests with Jest or React Testing Library

  • Proficiency with Git for version control

  • Familiarity with performance optimization techniques

  • Strong problem-solving abilities and effective communication skills


It is a strong plus if you have:

  • Experience with TanStack Router, TanStack Form, or TanStack Table

  • Hands-on experience with Zustand for state management

  • Knowledge of schema validation libraries such as zod


We offer you:

ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious and driven people. The offer includes:


  • Stable and long-term cooperation with very good conditions

  • Enhance your skills and develop your expertise in the financial industry

  • Work on the most strategic projects available in the market

  • Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years

  • Participation in Social Events, training, and work in an international environment

  • Access to an attractive Medical Package

  • Access to Multisport Program


#GETREADY


Internal job ID #7697


You can report violations in accordance with ITDS’s Whistleblower Procedure available here.

Published: 22.09.2025
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Senior Frontend Developer

302 - 398 USDNet per day - B2B
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Senior Frontend Developer

Kapelanka 42, Kraków

ITDS

302 - 398 USDNet per day - B2B
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