Senior ReactJS Engineer

Location: Remote, Sofia, Bulgaria

Company

hirify.global develops rewards-driven social gaming experiences spanning sports, casino, predictions, and collectibles through a freemium platform.

What you will do

• Develop and maintain responsive React web applications for mobile and desktop platforms.
• Collaborate with backend engineers, DevOps, designers, product managers, and other cross-functional partners to deliver new features.
• Monitor the live platform and resolve real-time performance issues.
• Design scalable responsive interfaces using pure CSS and SCSS without external UI frameworks.
• Implement state management with Redux, React-Redux, Thunk, and Saga.
• Mentor junior engineers and conduct code reviews.

Requirements

• 5+ years of experience building modern web applications.
• Strong ReactJS and React Hooks expertise, with advanced TypeScript skills including utility types, generics, and the infer keyword.
• Strong understanding of Redux mechanics, React-Redux bindings, and internal hooks.
• Strong CSS and SCSS skills for building reusable, responsive interfaces without external libraries.
• Experience with WebSockets, RESTful APIs, axios, fetch, React Router, lazy loading, and code splitting.
• Experience with Figma, React DevTools, Chrome debugging, Jest, and Cypress, plus strong communication and problem-solving skills.

Nice to have

• GraphQL and Apollo Client experience.
• Experience with native WebSockets and socket.io.

Culture & Benefits

• Professional development opportunities in a dynamic, fast-growing company.
• Supportive, collaborative, and knowledge-driven work environment.
• Freedom to innovate on challenging products in the sports gaming industry.
• Inclusive, welcoming, and creative workplace culture.