Frontend Developer

Frontend Developer

Join us, and shape how users experience the digital future!

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

As a Frontend Developer, you will be working for our client, a global financial services leader currently modernizing a large-scale, enterprise-grade digital banking platform used by businesses worldwide. The project focuses on revamping a long-standing financial web application, delivering advanced online and mobile payment capabilities. You will be part of a highly skilled agile team developing customer-facing interfaces using modern frameworks and best-in-class engineering practices. This is your opportunity to shape the user experience of an application relied on by thousands of corporate clients around the globe.

Your main responsibilities:

• Participating in the design, development, and testing of frontend solutions
• Reviewing technical deliverables to ensure high-quality output
• Collaborating with backend developers to integrate RESTful APIs
• Developing reusable components using React and Redux
• Writing clean, testable, and maintainable code using modern JavaScript standards
• Following agile development processes and contributing to team ceremonies
• Implementing client-side rendering and server-side rendering with Express.js
• Conducting thorough testing using React Testing Library and Jest
• Supporting micro frontend integration within a scalable architecture
• Applying UI/UX best practices to build responsive and accessible user interfaces

You're ideal for this role if you have:

• 5+ years of experience in JavaScript, HTML, and CSS
• Deep understanding of React.js and its core principles
• Experience with Redux for state management
• Strong skills in Express.js for server-side rendering
• Hands-on experience with React Testing Library and Jest
• Proficiency in working with REST APIs and async JavaScript patterns
• Experience in building responsive, cross-browser, and cross-device interfaces
• Familiarity with Git and modern UI build tools such as NPM
• Ability to write clean, semantic, and well-documented code
• Knowledge of agile and Scrum methodologies

It is a strong plus if you have:

• Prior experience working with micro frontend architectures
• Exposure to functional programming principles in JavaScript
• Understanding of accessibility standards and implementation techniques
• Experience navigating and maintaining large, complex codebases
• Background in delivering enterprise applications with performance optimization

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
• Participate in Social Events, training, and work in an international environment
• Access to attractive Medical Package
• Access to Multisport Program
• Access to Pluralsight
• Flexible hours & remote work

Internal job number #7057

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