React Js Developer

Join Our Talent! “Choices you make today define your tomorrow” At GammaStack, make your today and tomorrow exciting, opportunistic, learning, and edging. /* The typing effect */ At GammaStack, make your today and tomorrow exciting, opportunistic, learning, and edging. Years of experience 0 + Countries served 0 + Brand Recall 0 % Offices Globally 0 + Professionals 0 + What makes GammaStack Inviting? Work-life balance pros Exciting employee benefits Flexible & fun-filled environment Ready To Boost Your Career? Join Our Team Send your resume to [email protected] UI Developer Position : UI Developer Location: Bangalore (on-site) Salary range : 6-7 LPA We are looking to hire an UI Developer with 3-4 years of experience to join our team. Given the growing demand for skilled front-end developers in our projects, this role will be crucial in ensuring high-quality UI/UX implementation. Key Requirements for the Role: 3-4 years of hands-on experience in HTML, CSS, and responsive design Proficiency in JavaScript/jQuery (basic knowledge is a plus) Familiarity with UI/UX principles and design tools (e.g., Figma, Adobe XD) Experience with cross-browser compatibility and performance optimization Strong problem-solving skills and attention to detail Preferred Qualifications: Knowledge of front-end frameworks (e.g., Bootstrap, Tailwind CSS) Basic understanding of version control (Git) Experience working in Agile/Scrum environments React Native Lead React & React Native Lead Developer We are looking for a React & React Native Lead Developer with 5+ years of experience to lead frontend development across web and mobile platforms. Key expectations: Expertise in React (v18 & v19) and React Native using both CLI and Expo. Strong knowledge of frontend architecture, performance optimization, and modular design. Proficient in Redux, Redux Thunk, Redux Saga, RTK Query, and React Query. Experience in mobile app distribution – Play Store & App Store (build, signing, submission, compliance). Proven ability to lead large teams (20+ members) and mentor junior developers. Hands-on experience with client interaction, requirement gathering, and technical consultation. Solid understanding of code reviews, best practices, and maintaining high code quality. Capable of identifying and fixing performance bottlenecks across devices and platforms. Comfortable working in Agile/Scrum environments and collaborating cross-functionally. NextJS Lead Technical Lead – Next.js (L1) Location: Bangalore Role Overview: We are seeking a highly skilled and experienced L1 Lead / Technical Lead proficient in Next.js development. This pivotal role involves leading a team of Next.js developers, ensuring the delivery of robust, scalable, and high-performance web applications. Responsibilities include providing technical leadership, conducting code reviews, mentoring junior developers, and shaping architectural decisions. This position demands a combination of hands-on coding expertise, leadership qualities, and a deep understanding of modern web development practices. Key Responsibilities: Technical Leadership & Guidance: Lead and mentor a Next.js development team, offering technical guidance and support. Conduct regular code reviews to maintain code quality, ensure maintainability, and enforce adherence to best practices. Contribute to architectural discussions and design decisions for Next.js applications. Foster a culture of continuous learning and improvement within the team. Troubleshoot and resolve complex technical issues in Next.js applications. Development & Implementation: Design, develop, and deploy high-performance, scalable web applications using Next.js, React, and related technologies. Implement various rendering strategies such as Server-Side Rendering (SSR), Static Site Generation (SSG), and Incremental Static Regeneration (ISR) based on project needs. Develop and integrate RESTful APIs or GraphQL endpoints. Ensure cross-browser compatibility, responsiveness, and accessibility of applications. Write clean, efficient, well-documented, and testable code. Project Management & Collaboration: Collaborate closely with product managers, UI/UX designers, and backend teams to translate requirements into technical solutions. Engage in agile development methodologies (Scrum, Kanban) including sprint planning, daily stand-ups, and retrospectives. Contribute to defining project scope, estimating effort, and meeting deadlines. Identify and mitigate technical risks and challenges throughout the development lifecycle. Performance Optimization & Best Practices: Implement performance optimization techniques such as code splitting, lazy loading, image optimization, and efficient data fetching. Ensure applications are SEO-friendly and meet performance benchmarks (e.g., Core Web Vitals). Stay abreast of the latest industry trends, technologies, and best practices in Next.js and frontend development. Required Skills and Qualifications: Experience: Minimum 5 years of web development experience, with at least 3+ years specializing in Next.js. Demonstrated experience in a technical leadership or lead developer role. Technical Skills: Expert proficiency in Next.js framework: In-depth understanding of core concepts, including folder-based routing, file-based routing, API routes, data fetching methods (getStaticProps, getServerSideProps, client-side fetching), caching, dynamic routing, hybrid render, and image optimization. Strong expertise in React.js: Components, Hooks (useState, useEffect, useContext, etc.), Context API, Redux (or other state management libraries). Solid command of JavaScript (ES6+) and TypeScript. Proficiency in HTML5 and CSS3: Including responsive design, CSS-in-JS (e.g., Styled Components, Emotion), or CSS preprocessors (Sass, Less). Experience with RESTful APIs or GraphQL integration. Strong understanding of version control systems (Git). Familiarity with testing frameworks (e.g., Jest, React Testing Library, Cypress). Knowledge of deployment strategies for Next.js applications (e.g., Vercel, AWS, Netlify). Soft Skills: Excellent communication (written and verbal) and interpersonal skills. Strong problem-solving and analytical abilities. Ability to work independently and collaboratively in a fast-paced environment. Proactive and self-motivated with a passion for learning and adopting new technologies. Strong organizational and time management skills. Education: Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience. NodeJS Job Description: Responsibilities: Lead the design, development, and implementation of complex Node.js applications Architect scalable, performant, and maintainable server-side systems Collaborate with cross-functional teams to define, design, and ship new features Mentor and coach junior developers to improve their skills and productivity Perform code reviews to ensure code quality and adherence to best practices Stay up-to-date with the latest trends and technologies in Node.js development Requirements: Minimum of 3+ years of experience in Node.js development Proven track record of leading and delivering large-scale Node.js projects Strong proficiency in JavaScript, with a good understanding of server-side templating languages Experience with modern frameworks and libraries such as Express.js, Hapi.js, or Koa.js Familiarity with database technologies such as PostgreSQL (MongoDB / MySQL is good to have) Excellent communication and leadership skills Ability to work effectively in a fast-paced, dynamic environment NextJs Next JS 14 (App Router) Developers Requirement and Basic Questions Sheet Technical Skills: Strong proficiency in React.js and Next.js 14 (App Router) Deep understanding of server components vs client components Experience with SSR, SSG, ISR, and CSR Proficiency in Next.js routing (dynamic, parallel, nested) Strong understanding of SEO optimization techniques Experience with fetch caching strategies and revalidation (force-cache, no-store, revalidatePath, etc.) Familiarity with Server Actions, API Routes Working knowledge of Tailwind CSS and responsive UI design Soft Skills: Problem-solving and debugging skills Strong communication and collaboration skills Ability to work independently and in a team Passion for performance optimization and best practices NodeJS Lead Location: Bangalore Experience: 5+ years of experience Key Responsibilities: Technical Leadership: Lead the design and development of scalable, high-performance Node.js applications. Architect robust, maintainable, and efficient server-side solutions. Drive best practices in backend development, ensuring clean and modular code. Team Leadership & Mentorship: Guide, mentor, and upskill junior and mid-level developers. Conduct regular code reviews to maintain coding standards and improve team productivity. Foster a culture of learning, innovation, and continuous improvement. Cross-Functional Collaboration: Work closely with front-end developers, DevOps, and product teams to deliver seamless solutions. Participate in architectural discussions and roadmap planning. Ensure efficient API integrations and database management. Performance, Security & Scalability: Optimize application performance, ensuring fast response times and scalability. Implement security best practices to safeguard user data. Monitor system health, troubleshoot issues, and enhance application reliability. Requirements: 5+ years of experience in Node.js development, with at least 4 years in a leadership role. Strong expertise in Express.js, Hapi.js, or Koa.js. Proven experience in designing and implementing large-scale applications. Solid knowledge of PostgreSQL (MongoDB/MySQL is a plus). Experience with microservices architecture, cloud platforms (AWS/GCP/Azure), and CI/CD pipelines. Excellent problem-solving, decision-making, and leadership skills. Ability to work in a fast-paced, agile environment and drive projects from concept to com