Job Description

The Frontend (React.js) developer role at group.one is a strategic position focused on developing and enhancing scalable and secure SaaS products that help small and medium-sized businesses in Europe grow by simplifying how they communicate, collaborate, and manage their online presence - all from a single, integrated platform. This role requires close collaboration with Group Head, Team Lead, and Product Manager.

• Software development: Develop, maintain client-side applications, user interfaces
• Scalable modular design: Design or refactor the architecture into loosely coupled components, create reusable components across products, and ensure they are easy to update and replace
• Technical Leadership: Provide expert guidance and mentorship to development teams, promoting best practices in coding, design patterns, and frameworks
• Cross-functional Collaboration: Work closely with UX/UI designers, front-end developers, product managers to translate and align the design with the strategic goals of the product, ensuring scalability, efficiency, and ease of integration
• Project Planning: Participate in project planning by providing accurate estimations, identifying integration points, and assessing technical risks with mitigation strategies
• Code Quality Oversight: Ensure code quality aligns with design and architectural principles through regular code reviews, focusing on security, scalability, and maintainability
• Performance Optimization: Ensure optimal application performance, responsiveness, and scalability across different devices and browsers

Skills requirements:

Mandatory:

• React.js
• State-Management (Redux, context API)
• JavaScript and TypeScript
• CSS preprocessor (Less, Sass)
• Component composition and reusability
• Version control systems (Git)
• Unit testing frameworks (Jest and React-testing-library)
• Optimizing applications for performance and scalability
• Problem-solving, data structures, and algorithms
• Confluence and Jira

Good to have:

• Understanding of Web workers
• Experience building PWA application
• Experience with React Native
• Knowledge of REST API tools

Education and experience requirements:

• Bachelor’s degree (B.Tech. or B.E.) in Computer Science or Information Technology
• 5–8 years of relevant experience in frontend development using ReactJS and TypeScript

Keywords

• React JS, Redux, TypeScript, JavaScript, Jest, React-testing-library, CSS processors, React-Native, CDN, Code review, Code quality, Git, SonarQube, Webpack, Babel, NPM, Unit testing, Design principles, Data structures, Algorithms, Confluence, Jira, Agile

We welcome talent in all its diversity. Your gender, background, age, beliefs, or personal story do not define your opportunities here, what matters to us is mutual respect, personal appreciation, and creating a workplace where motivation and collaboration thrive. We believe in supporting your personal and professional growth, recognizing you as both an individual and a valued team member.
We want to continue to grow with you and why we look forward to getting to know you.