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Senior Front End Developer

Roles & Responsibilities

  • 6+ years of experience as a Frontend or Full-Stack Engineer
  • 1.5+ years of professional experience in iGaming or equivalent high-performance environments
  • Mastery of Next.js (15+), JavaScript, and TypeScript; solid knowledge of architecture, state management, and rendering strategies
  • Experience with real-time data systems, API integrations (REST/GraphQL), and WebSocket-based or other low-latency communications

Requirements:

  • Contribute to system architecture strategy by driving scalability, performance, modularity improvements and evaluating new technologies for future adoption
  • Develop complex features for real-time/data-intensive UIs with clean, tested JavaScript/TypeScript and robust API integration
  • Ensure quality through strong unit/integration tests and adherence to WCAG accessibility standards
  • Own CI/CD processes and tooling, delivering end-to-end ownership of features from design to deployment and on-call support

Job description

Location: Remote - open to candidates located in Europe

Key Responsibilities
  • System Architecture & Strategy: Contribute directly to the architectural design by driving improvements in scalability, performance, and modularity, and evaluating new technologies for future adoption.

  • Complex Feature Development: Implement highly functional features, focusing specifically on real-time/data-intensive UIs using clean, tested JavaScript/TypeScript and ensuring robust API integration.

  • Quality Assurance & Accessibility: Guarantee code quality through writing strong unit/integration tests and ensuring the UI is compliant with WCAG/accessibility standards.

  • Performance Optimization: Proactively identify and resolve system bottlenecks using profiling tools, with a focus on optimizing core web vitals like LCP (Largest Contentful Paint).

  • Code Craftsmanship & Mentorship: Champion and enforce high standards for clean code through in-depth code reviews and providing clear technical guidance to peers.

  • CI/CD & Ownership: Drive improvements in CI/CD pipelines and developer tooling, taking complete end-to-end ownership of features through design, deployment, and subsequent monitoring/on-call support.

What You Bring
  • Senior Expertise: 6+ years of experience as a Frontend or Full-Stack Engineer.

  • Industry Experience: Minimum 1.5 years of professional experience within the iGaming industry or comparable high-performance, high-volume transaction environments (such as trading platforms) is mandatory.

  • Core Stack: Mastery of Next.js (15+), JavaScript, and TypeScript.

  • Infrastructure & DevOps: Deep understanding of the DevOps cycle and experience working with large-scale infrastructure.

  • Real-Time Systems: Proven experience with transactional UIs and real-time data streams. This includes API integration (REST/GraphQL) and WebSocket-based or other event-driven, low-latency communication mechanisms.

  • Architecture: Deep knowledge of modern architecture, state management, and rendering strategies.

Preferred qualifications
  • Frameworks: Hands-on experience with the Qwik framework is highly desired.

  • Quality & Performance: Strong focus on testing practices, web accessibility, and performance optimization.

  • Delivery: Familiarity with CI/CD pipelines and automated deployment workflows.

Why Join Us?
  • The opportunity to bring your expertise and have an impact in a rapidly-growing company.

  • A truly global work environment with colleagues from around the world.

  • A culture that values ambition, creativity, and teamwork.

  • 28 days paid time off & public holidays of country of residency if remote.

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