Senior React.js Developer – Financial Technology

Technologies we use

Expected

• React.js
• TypeScript
• Redux
• Figma
• SQL
• Git

Optional

• Node.js
• Docker

About the project

As a Senior React Developer, you will be working for our client, a leader in enterprise-scale financial technology dedicated to delivering cutting-edge digital portals. You will help build high-performance, user-centric front-end solutions that empower clients and enhance usability, driving digital transformation in the financial services industry. This role offers a unique opportunity to shape impactful digital experiences and accelerate your career in fintech innovation.

Unleash innovation — craft seamless, scalable front-end experiences that redefine user engagement!

Warsaw-based opportunity with hybrid work model.

This is how we organize our work

This is how we work

• you focus on a single project at a time
• you have influence on the technological solutions applied
• agile

Team members

• product owner
• project manager
• IT administrator

Your responsibilities

• Design and develop scalable front-end features using React.js, TypeScript, and modern tooling, ensuring compliance with enterprise design systems.
• Build reusable UI components and contribute to shared component libraries for consistent user experiences.
• Collaborate closely with design and backend teams to deliver pixel-perfect, accessible, and performance-optimized interfaces.
• Integrate front-end applications with REST APIs and microservices to enable seamless data flow.
• Participate in code reviews, agile ceremonies, and sprint planning to foster continuous improvement and innovation.
• Troubleshoot UI issues and resolve defects to maintain high-quality output in production environments.
• Support automated testing procedures (unit and integration tests) to ensure robust, reliable code.

Our requirements

• At least 5 years of experience in frontend development, with over 6 years focused on React.js and enterprise application projects.
• Strong expertise in React.js, TypeScript, and modern front-end architecture patterns such as component-based design and state management (Redux, Context API).
• Solid understanding of REST/GraphQL API integration and familiarity with design tools like Figma.
• Knowledge of accessibility standards (WCAG) and experience optimizing for cross-browser compatibility.
• Exposure to CI/CD pipelines, containerized environments, and micro frontend concepts (module federation) is a plus.
• Basic SQL/database knowledge is advantageous.

What we offer

• ITDS Clubs
• Access to medical insurance
• Access to Multisport
• Access to Pluralsight
• Integrational Events
• Ambassador Program

This is how we work on a project

• Continuous Deployment
• Continuous Integration

Benefits

• access to +100 projects
• access to Pluralsight
• sharing the costs of sports activities
• private medical care
• flexible working time
• fruits
• integration events
• corporate gym
• saving & investment scheme
• no dress code
• coffee / tea
• drinks
• christmas gifts
• birthday celebration
• sharing the costs of a streaming platform subscription

Recruitment stages

• online interview
• 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

Language required for the role: Fluent English command.

Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

ITDS Polska Sp. z o.o.

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.

This is how we work