Senior Frontend Developer (React)

WHO WE ARE?

WE ARE A GLOBAL LEADER IN ENGINEERING AND IT SERVICES.

At ALTEN, we see our specialists as architects—designers of tomorrow’s world.

As a leader in engineering and IT services, we support companies in their technological and sustainable transformation.

OVER 57,400 EMPLOYEES IN 30+ COUNTRIES, SUPPORTING MORE THAN 6,500 CLIENTS WORLDWIDE.

We operate across all industries, including:

Aerospace, Defense, Naval, Security, Automotive, Rail & Mobility, Energy & Environment, Life Sciences & Health, Industrial Equipment & Electronics, Telecommunications, Banking, Finance & Insurance, Retail, Media & Services, Public Administration, and Government Sector.

We deliver complex and highly advanced technical projects at every stage of the value chain for the world’s most prestigious companies.

Our motto: Building Tomorrow’s World Today!

For more information, visit: http://www.altenpolska.plWHAT WILL YOUR CHALLENGES BE?

Developing and enhancing a modern frontend application supporting investment fund order processing

• Implementing new business requirements and improving existing functionalities
• Supporting release preparation, stabilization and production deployments
• Providing application support, troubleshooting issues and resolving defects
• Ensuring the continuity and reliability of day-to-day application operations
• Improving code quality, addressing vulnerabilities and maintaining framework dependencies
• Collaborating closely with Backend Developers, Business Analysts, Test Engineers and business users
• Participating in Agile ceremonies, including backlog refinement, sprint planning, reviews and production support activities
• WHAT DO WE REQUIRE?

Strong hands-on experience with React.js (v18+)

Very good knowledge of Type

• Script
• Experience working with React Query
• Practical experience with React Testing Library
• Good knowledge of Material UI and Tailwind CSS
• Experience with React Hook Form and hook-based programming
• Strong troubleshooting and problem-solving skills
• Good communication and collaboration skills
• Experience working in Agile teamsWHAT CAN WE OFFER YOU?

ALTEN’s DNA combines human values, a culture of excellence, and experience in serving our clients. We offer an individual approach to each employee, emphasizing work-life balance. We focus on responsible, sustainable development and eco-friendly solutions.

We offer:

A full-time employment contract.

Location: Warsaw/Tricity/Łódź; work model: hybrid

Stable and long-term cooperation.

A clearly defined career path with a European leader in engineering and IT consulting.

The possibility of relocation within ALTEN Poland’s local branches.

After project completion, the opportunity to engage in another project within the company.

Onboarding and collaboration with a dedicated Competences Manager.

Benefits:

Medicover healthcare.

Medicover dental care.

Medicover Benefits platform.

Medicover sports card.

Newborn welcome package for employees.

Group life insurance.

Pension program.

We also offer cooperation based on B2B or contract (UZ).

We guarantee:

Access to professional certifications with our technology partners (e.g., Google, ISTQB).

Access to industry events.

Access to the Knowledge Sharing Program.

Join our team and create the future of technology with us today!

NOTE: We will contact selected candidates onl