Senior Frontend Developer (React)

Delasport — Implementing Technological Solutions Here and Now.

Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are looking for the top talents to join our team in R&D centre in Kyiv.

RESPONSIBILITIES 

• Collaborate with a team of developers to design, develop, and maintain high-quality web applications 
• Implement user interfaces and application features based on defined business requirements 
• Utilize modern front-end frameworks and libraries, such as React, Redux, Redux Toolkit and Material-UI (MUI), to develop and integrate front-end components 
• Apply functional programming (FP) principles for writing application components 
• Integrate external SDK’s to main application  
• Participate in code reviews and provide feedback to improve overall code quality and performance 
• Working with error tracking and performance monitoring tools such as Sentry, Hotjar 
• Troubleshoot and debug front-end issues to ensure optimal application performance 
• Collaborate with other team members to gather requirements and contribute to the design and implementation of new features 
• Write high-quality, unit-tested, understandable code 

 REQUIREMENTS 

• At least 6 years of experience in WEB development 
• At least 5+ years of experience using React, Redux, HTML5, CSS3 
• Deep understanding of JavaScript and Typescript, REST API 
• Strong knowledge of React, React lifecycle methods, React Hooks, Redux, RTK Query, Caching 
• Understand the React patterns such as hooks, render props, HOCs 
• Experience with iframes 
• Knowledge of methods and approaches to optimize page loading speed 
• Understand the basic approaches to designing modern user interfaces 
• Solid knowledge of OOP and FP principles and their practical application 
• Strong knowledge of MVC architecture pattern 
• Strong problem-solving and analytical skills 
• Attention to detail and ability to write clean and maintainable code 
• Good communication skills and ability to work effectively in a team 
• Enthusiasm for learning and staying up-to-date with new technologies and best practices 
• Upper-Intermediate English level (both speaking and writing) 

 NICE TO HAVES 

• Experience in writing unit tests 
• Understanding a design system and UI-kit 
• Storybook (Experience with v9 is preferred) 
• Tailwind CSS 
• Shadcn/UI