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Senior Frontend Developer @ Adaptiq

Adaptiq
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PolandPL- full time- Posted April 20, 2026- via aggregated

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About the Product:

An interactive online entertainment platform delivers a portfolio of browser-based games and real-time features to a rapidly expanding user base. The system addresses challenges of high traffic, low-latency updates, and secure micro-transactions within a social gaming context. It operates a hybrid technology stack that includes a mature codebase built on a widely used DOM-manipulation library alongside modern React and Next.js frameworks. Key technical hurdles include migrating legacy components to a modular architecture, implementing WebSocket-based real-time interactions, ensuring mobile and cross-browser consistency, and integrating payment flows and promotion management interfaces. Strong engineering leadership is essential to maintain stability, drive performance optimizations, and accelerate feature delivery at scale.

About the Role:

As a Senior Frontend Developer, you will own the end-to-end delivery of user-facing features on a complex platform. You will clarify requirements, propose architectural solutions, and implement robust interfaces that meet both legacy and future needs. Reporting to a front-end lead and collaborating with a front-end architect, backend engineers, designers, QA, and DevOps, you will spearhead the migration from a jQuery-based codebase to a component-driven React/Next.js ecosystem. This role demands autonomy, strong communication, and deep technical expertise to modernize build processes, optimize performance metrics, and uphold security best practices. Your contributions will shape the frontend architecture, tooling, and workflows that enable rapid, scalable growth.

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