React FrontEnd Developer

OPTIVEUM sp. z o.o. • Capon Bridge, WV

3h • Hybrid

About The Position

Our Client is a fast-growing, international technology company that provides innovative digital solutions for the global market. They are currently expanding and developing their R&D center in Warsaw. They are a leader in AI-powered enterprise operations, delivering digital solutions and consulting services that drive value and transform businesses. They specialize in using advanced technology to streamline operations, improve efficiency, and unlock new revenue opportunities, particularly within the private capital markets. With over a decade of experience supporting high-growth companies, they bring deep domain expertise and a proven ability to turn technology into a strategic advantage.
We are seeking a skilled React FrontEnd Developer to design and develop responsive user interfaces. In this role, you will collaborate with cross-functional teams to deliver robust, user-centric solutions while driving best practices in testing, accessibility, and performance optimization.

Requirements

• 6+ years of experience in JavaScript and TypeScript development.
• Must know a modern front-end JS framework, such as React.js + Redux; Next.js is a bonus.
• Hands-on experience with HTML5, CSS3.
• Proficiency in writing cross-browser compatible code.
• Should understand OO concepts and design patterns, and their application to JavaScript development.
• Knows functional programming paradigms.
• Understands asynchronous programming paradigms and best practices.
• Git and branch management knowledge.
• Experience debugging front-end problems and a knowledge of front-end debugging tools.
• Familiarity with custom package creation and integration.
• Experience with Agile methodologies and development practices.
• Good communication skills and good organization skills.
• Ability to work under pressure and deliver against tight deadlines.

Nice To Haves

• Next.js is a bonus.

Responsibilities

• UI Development: Designing and developing responsive user interfaces using React
• Testing & Integration: Implementing and maintaining TDD in applications and continuous integration. Driving best practices in testing, accessibility, and performance optimization.
• Collaboration: Collaborating with a cross-functional team of project managers, project analysts, and sales staff to deliver high-quality, interactive products on time. Collaborating cross-functionally with design, backend, QA, and product teams to deliver robust and user-centric solutions.

Benefits

• Monthly compensation up to $4,800 USD.
• B2B contract via Optiveum.
• Hybrid (3 days working from the office located in the center of Warsaw, 2 days working from home).
• Long-term cooperation with a stable, international organization.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 1-10 employees