Senior Frontend Developer ( React )

At Fun Crafters, we're not just another gaming company; we're a passionate community of gaming enthusiasts and innovators with over a decade of expertise in crafting engaging mobile games. With a mission to create unforgettable gaming experiences, we've carved our path in the gaming industry.

Join us to unleash your creativity, shape the future of mobile gaming, and be part of a team where your ideas matter.

Welcome to a world where fun knows no bounds!

Duties/scope:

• Leading frontend initiatives, defining coding standards, driving architecture and design, creating guidelines and documentation.
• Designing and creating high-performance and visually-rich applications (e.g., server dashboards, game management UIs, live ops tools and any other tools used by developers and non technical people) ensuring responsiveness and cross-device compatibility.
• Optimizing and enhancing front-end build performance, while ensuring seamless integration and interoperability with backend systems and APIs.
• Reviewing and approving complex frontend pull requests, ensuring code quality, consistency, performance, accessibility, and alignment with architectural guidelines.
• Identifying and managing technical debt, making recommendations for refactoring or improvements in code quality and system architecture.
• Share technical expertise with less experienced developers through hands-on support and collaborative problem-solving. Promote a culture of learning by explaining architectural decisions, frontend patterns, and best practices.
• Integrating and maintaining various APIs and third-party tools.
• Designing, implementing, and maintaining automated tests (unit, integration, and end-to-end) to ensure the reliability and quality of frontend applications.

Mandatory Requirements:

• 10 Years of Experience in web application frontend development using React, TypeScript, and JavaScript in product-focused organizations.
• Commercial experience using Vite.
• Extensive professional experience leading front-end initiatives.
• Experience with modern React-based UI libraries, especially Mantine.
• Deep understanding of UI/UX principles, with experience leading UI/UX design decisions with little to no support.
• Solid knowledge of REST APIs, including integration and data management in frontend applications.
• Commercial experience with testing frameworks like ViteTest, React Testing Library, and Cypress.
• Familiarity with linting and code formatting tools (e.g., ESLint, Prettier).
• Prior mentoring experience helping less experienced developers grow their skills.
• Proficiency in Polish and English (spoken and written) is essential for cross-functional collaboration.
• Familiarity in utilizing AI tools in everyday work.

Nice to have:

• Familiarity with popular UI component libraries like Material-UI or Shadcn.
• Experience integrating frontend applications with Python or C# based services.
• Familiarity with AWS or GCP cloud platforms is a plus, especially for deploying, managing, or integrating cloud-based services (e.g., cloud storage) into frontend applications.
• Experience with Sentry for monitoring and tracking frontend application errors.
• Familiarity with Docker to containerize frontend applications as well as debugging them.
• Experience with ArgoCD and Kubernetes for automated builds, tests, and deployments.
• Experience with WebSockets to build real-time, interactive web applications, such as live dashboards, chat systems, or notifications.
• Knowledge of using HTML5 Canvas or frameworks like Fortune Sheet for creating custom, data-heavy visual interfaces or game telemetry dashboards.
• Experience working alongside Unity or integrating front-end tools with game engines/mobile phones.

Soft Skills & Culture:

• Clear Communication: Ability to simplify and articulate complex technical concepts for diverse audiences (designers, developers).
• Active Listening: Strong listening skills to understand feedback, ideas, and concerns from team members and stakeholders.
• Presentation Skills: Comfortable presenting ideas and updates in a clear, structured way, ensuring understanding.
• Meeting Facilitation: Can organize and lead meetings, ensuring they stay on track and lead to actionable outcomes.
• Conflict Resolution: Ability to mediate disagreements and foster positive collaboration.
• Knowledge Sharing: Actively shares expertise and mentors less experienced team members.
• Cross-Functional Collaboration: Skilled at working with diverse teams (backend, design, product) to ensure alignment.
• Adaptability: Adjusts communication style based on context and audience, receptive to feedback.
• Written Communication: Clear and concise in documentation, emails, and reports.
• Fast-Paced Environment: Comfortable with rapidly changing priorities, able to adapt quickly and iterate with minimal direction.
• Fluency in Polish and English: Strong communication skills in both languages, enabling effective collaboration across teams.

What we offer:

• An epic journey in the mobile RPG gaming industry.
• Flexible contract options: employment or B2B.
• Remote, in-office, or hybrid work.
• Opportunities for professional growth with a training budget.
• A fantastic team and many company events.
• Competitive benefits package.
• A modern office with all the essentials.