Senior Next.js Developer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Next.js Developer based in Poland.

This is a senior frontend engineering role focused on building high-performance, scalable web applications within a fast-moving iGaming environment. You will contribute to the development of modern casino-related digital products, ensuring exceptional usability, performance, and maintainability. Working closely with distributed teams, you will play a key role in shaping frontend architecture and development standards. The role combines hands‑on coding with technical leadership, mentoring, and collaboration across multiple functions.

You will help drive consistency in engineering practices while supporting continuous improvement across the team. Strong ownership, communication, and a proactive mindset are essential to succeed in this environment. The position offers significant impact on both product quality and player experience at scale.

• Build and maintain modern web applications using Next.js and React, ensuring high performance, scalability, and adherence to coding standards.
• Contribute to technical refinement, architecture discussions, peer reviews, and long‑term roadmap planning with engineering leadership.
• Mentor and support fellow developers, helping elevate technical skills, best practices, and overall team performance.
• Provide constructive technical feedback in a collaborative, growth‑oriented manner that strengthens team cohesion.
• Communicate complex technical concepts clearly and adapt communication style depending on the audience.
• Maintain close coordination with distributed teams, ensuring transparency on progress, risks, and priorities.

• Minimum 5 years of experience in modern web application development.
• Strong hands‑on expertise with Next.js and React.
• Solid understanding of how modern web frameworks and browser-based applications work.
• Experience working within structured software development teams and tool ecosystems.
• Excellent English communication skills, both written and spoken.
• A proactive mindset with the ability to take ownership and work effectively in high‑responsibility environments.

• Attractive remuneration package
• Wellness benefit
• €1,000 referral bonus (“refer a friend” program)
• One additional paid day off for your birthday
• Remote‑friendly working setup depending on team coordination needs

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