Senior React Developer

ITDS Polska Sp. z o.o.; Warszawa; Hybrid; PLN 120,000 - 160,000; Full time

Job summary

A leading global financial institution is seeking a Senior React Developer to join their UI Libraries team in Warsaw. The role involves developing scalable digital interfaces and ensuring a cohesive user experience across multiple platforms. You'll collaborate with design and engineering teams, introduce new UI technologies, and maintain high accessibility standards. This position offers a hybrid work model and opportunities for professional growth in the financial industry.

Benefits

Medical Package

Multisport Program

Access to Pluralsight

Flexible Hours

Corporate Gym

Mobile Phone for Private Use

Coffee / Tea

Drinks

Birthday Celebration

Streaming Platform Subscription

Qualifications

• 5+ years of hands-on experience with modern web technologies.
• Ability to work on multiple projects in a fast-paced environment.

Responsibilities

• Develop and maintain reusable components for a cross-platform UI library.
• Collaborate with teams to improve the visual language and design system.
• Ensure high accessibility standards across all frontend components.

Skills

React

Angular

Typescript

Clean Code

Testing Methodologies

Interpersonal Skills

Analytical Ability

Education

Bachelor's degree in Computer Science

Tools

Webpack

Job description

• As a Senior React Developer, you will be working for our client, a leading global financial institution supporting diverse business units with scalable, modern digital interfaces. You will be part of a dedicated UI Libraries team, responsible for driving the adoption of cutting-edge UI technologies and shaping the firm's design system. Your work will directly influence the visual consistency and usability of hundreds of internal and external applications across multiple platforms, ensuring a cohesive and accessible user experience.
• Localization: Warsaw, city center, hybrid 3 days x week.

Your responsibilities

• Develop and maintain reusable components for a cross-platform UI library
• Collaborate with design and engineering teams to improve the visual language and design system
• Evaluate and introduce new UI technologies to enhance development workflows
• Ensure high accessibility standards (WCAG) across all frontend components
• Support internal teams in implementing consistent UX across web and mobile platforms
• Participate in code reviews and advocate for best coding practices and testing strategies
• Troubleshoot UI-related issues across applications and suggest long-term solutions
• Lead integration efforts with SSR frameworks like NextJS or Gatsby
• Optimize performance and responsiveness of user-facing features
• Contribute to technical documentation for shared frontend libraries

Our requirements

• 5+ years of hands-on experience with some of the latest technologies to build rich web applications
• Strong hands-on experience with modern front-end technologies such as React (mandatory), Angular, Typescript, and comfortable learning new languages
• Experience with clean code and testing methodologies
• Superior interpersonal, communication and organization skills
• Ability to work on multiple project simultaneously in a fast-paced, collaborative environment
• Self-motivated and self-managed with a high degree of analytical ability, innovation and intellectual curiosity

Optional

• Bachelor's degree in Computer Science
• Experience working in delivery driven agile SDLC covering research, design and engineering
• Hands-on experience with PWAs, CSS-in-JS, mobile app development, accessible components and websites
• Experience with SSR frameworks, such as NextJS or Gatsby
• Experience with front-end build tools and testing libraries including Webpack

This is how we organize our work

This is how we work

• agile
• scrum

What we offer

• 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

sharing the costs of sports activities

private medical care

flexible working time

corporate gym

mobile phone available for private use

coffee / tea

drinks

birthday celebration

sharing the costs of a streaming platform subscription

access to +100 projects

access to Pluralsight

Recruitment stages

1

first online interview

2

second online interview

#GETREADY to meet with us!

• 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.
• We would like to meet you. If you are interested please apply and attach your CV in English or Polish, including a statement that you agree to our processing and storing of your personal data.

ITDS’s Whistleblower Procedure

• You can report violations in accordance with ITDS’s Whistleblower Procedure available here: https://itds.pl/wp-content/uploads/2025/03/INFORMATION-ON-PROCEDURE-FOR-REPORTING-BREACHES-AND-PROTECTION-OF-WHISTLEBLOWERS-AT-ITDS-POLSKA.pdf
• ITDS supports financial service providers to take the next steps.
• We identify what’s possible, every day. Opportunities in the areas of technology, organization, and digitization.
• We see where banks, insurers, payment companies, or fintech can go and how they can get there.
• That’s why we want to stimulate you to ramp up your ambition. Forget what you perceive as restraints and step towards the new reality.
• ITDS in Poland - Pure player in new Technologies & Financial Industry
• +300 IT implementation professionals
• +20 clients in the Banking, Insurance, Payment & Fintech Industry
• ITDS excels in digital strategy delivery and implementation of best-of-breed lending solutions. ITDS has delivered successful strategic projects throughout Europe since 1998. We combine the experience we’ve accumulated with in-depth knowledge of technologies, business processes, and EU legislation to unlock new business opportunities.