Qureos Mentor

Sideline Agency

Key Responsibilities<ul><li>Design, develop, and maintain scalable and high-quality React applications</li><li>Lead frontend architecture, technical decisions, and best practices</li><li>Convert UI/UX designs into reusable, maintainable React components</li><li>Ensure application performance, accessibility, and cross-browser compatibility</li><li>Integrate frontend applications with REST and GraphQL APIs</li><li>Conduct code reviews and enforce coding standards</li><li>Mentor junior and mid-level developers</li><li>Collaborate with product, design, and backend teams in Agile environments</li><li>Participate in sprint planning, estimations, and technical discussions</li></ul>Required Skills &amp; Qualifications<ul><li>10+ years of experience in frontend</li><li>8+ years of hands-on experience with React.js</li><li>Strong expertise in JavaScript (ES6+)</li><li>Deep understanding of React Hooks, Context API, component lifecycle, and patterns</li><li>Experience with state management (Redux, Zustand, MobX, or similar)</li><li>Strong knowledge of HTML5, CSS3, Flexbox, Tailwind, and CSS Grid</li><li>Experience with Next.js and modern React frameworks</li><li>Proficiency in TypeScript</li><li>Experience with unit, integration, and E2E testing (Jest, React Testing Library, Cypress)</li><li>Solid understanding of performance optimization, SSR, and code splitting</li><li>Familiarity with accessibility standards (WCAG)</li><li>Experience consuming REST APIs and GraphQL</li><li>Hands-on experience with modern build tools (Webpack, Vite, Babel)</li><li>Proficiency with Git and CI/CD pipelines</li><li>Proven experience in code reviews, mentoring, and technical leadership</li></ul>Soft Skills<ul><li>Excellent communication and collaboration skills</li><li>Strong ownership and accountability mindset</li><li>Ability to work in a team and lead complex features</li></ul>Job Type: Full-timeWork Location: In person

Sr React Developer

Key Responsibilities:<ul><li>Application Development: Design, develop, and maintain web applications using Ruby on Rails.</li><li>Database Management: Work with relational databases like PostgreSQL/MySQL to ensure efficient data storage and retrieval.</li><li>API Development: Build and integrate RESTful APIs to connect with front-end applications and third-party services.</li><li>Code Optimization: Write clean, maintainable, and efficient code following best practices.</li><li>Testing &amp; Debugging: Perform unit testing and troubleshooting to ensure application stability and performance.</li><li>Collaboration: Work closely with designers, product managers, and other developers to deliver high-quality software solutions.</li></ul>Required Skills:<ul><li>Ruby on Rails: Strong expertise in ROR framework and its ecosystem.</li><li>Frontend Technologies: Proficiency in HTML, CSS, JavaScript, and frameworks like React or Vue.js (a plus).</li><li>Database Management: Experience with PostgreSQL, MySQL, or other relational databases.</li><li>Version Control: Hands-on experience with Git/GitHub/GitLab for collaborative development.</li><li>Testing Frameworks: Familiarity with RSpec, MiniTest, or similar testing tools.</li><li>Deployment &amp; DevOps: Understanding of Docker, AWS, or CI/CD pipelines for deployment and infrastructure management.</li></ul>Job Type: Full-timeWork Location: In person

Ruby on Rails Developer

Join Sideline Agency and explore 2   exciting career opportunities. They're hiring for various roles with options for remote or on-site work. Apply today and become part of their innovative team.

Sideline Agency

About Company

Sr React Developer

Ruby on Rails Developer