
Hands-on experience in React.js and Good understanding of core concepts
Hands-on experience in state management libraries like Redux.
Hands-on experience in HTML5 & CSS3 and JavaScript.
Experience integrating with Restful web services
Proficient with ES6/7/8 syntax and concepts
Proficient knowledge of cross-browser compatibility issues
Knowledge of modern authorization mechanisms, such as JSON Web Token
Experience with common front-end development tools such as Babel, Web pack, NPM.

Similar jobs
MUST-HAVES:
- 5+ years of professional experience in web development.
- Strong proficiency in React.js and the Next.js framework.
- Solid understanding of JavaScript (ES6+), HTML5, Tailwind and TypeScript.
- Experience with server-side rendering (SSR) and static site generation (SSG).
- Familiarity with state management libraries (e.g., Redux, Context API).
- Proficient with version control systems like Git.
- Experience with modern build tools and package managers (e.g., Webpack, Babel, NPM/Yarn).
- Familiarity with API integration (REST, GraphQL).
- Strong understanding of web performance optimization techniques.
- Knowledge of testing frameworks (e.g., Playwright, Jest, Cypress).
- Ability to work in an Agile environment, collaborate with cross-functional teams, and deliver high-quality code under tight deadlines.
SKILLS: REACT, REACT NATIVE, PLATFORM INTEGRATION, JAVASCRIPT
Notice Period: 0-15 Days only
Additional Guidelines:
Interview process: - 2 Technical round + 1 Client round
3 days in office, Hybrid model.
JOB DESCRIPTION:
We are seeking a highly skilled Senior Web Developer with deep expertise in React and Next.js to join our growing team. The ideal candidate will have extensive experience in building high-quality, scalable web applications and will take ownership of both frontend development and architecture. As a Senior Developer, you will collaborate closely with product managers, designers, and other developers to deliver robust and performant solutions. Your ability to solve complex problems, optimize web performance, and mentor junior developers will be key to success in this role.
KEY RESPONSIBILITIES:
- Design, develop, and maintain web applications using React and Next.js.
- Architect and optimize web pages for speed and scalability.
- Build reusable components and front-end libraries for future use.
- Implement server-side rendering and static site generation using Next.js.
- Collaborate with the backend team to integrate APIs and ensure seamless front-end and back-end communication.
- Ensure the technical feasibility of UI/UX designs and implement pixel-perfect user interfaces.
- Work with product teams to build features that improve user engagement and satisfaction.
- Troubleshoot, debug, and upgrade existing systems.
- Provide technical leadership and mentorship to junior developers.
- Stay up-to-date with the latest web development trends, frameworks, and tools.
REQUIREMENTS:
- 5+ years of professional experience in web development.
- Strong proficiency in React.js and the Next.js framework.
- Solid understanding of JavaScript (ES6+), HTML5, Tailwind and TypeScript.
- Experience with server-side rendering (SSR)and static site generation (SSG).
- Familiarity with state management libraries (e.g., Redux, Context API).
- Proficient with version control systems like Git.
- Experience with modern build tools and package managers (e.g., Webpack, Babel, NPM/Yarn).
- Familiarity with API integration (REST, GraphQL).
- Strong understanding of web performance optimization techniques.
- Knowledge of testing frameworks (e.g., Playwright, Jest, Cypress).
- Ability to work in an Agile environment, collaborate with cross-functional teams, and deliver high-quality code under tight deadlines.
PREFERRED QUALIFICATIONS:
- Experience with Next.js API routes and serverless functions.
- Familiarity with cloud platforms (e.g., AWS, Vercel) and CI/CD pipelines.
- Experience with modern CSS frameworks (e.g., Tailwind, Styled Components).
- Knowledge of SEO best practices for React and Next.js applications.
- Contributions to open-source projects or a portfolio of personal projects.
What you'll do
You will work collaboratively in small teams and iteratively through design and development to deliver fully functioning web-based and mobile applications. In this role, you will employ agile methodologies to quickly provide our consultants with the solutions they need. You will help combine the latest open source technologies together with traditional Enterprise software products. You will be a core member of the team with responsibilities that range from driving the architecture design and technology decisions for shaping the next generation products for various internal teams to ensure that we stay on the leading edge of technology. You will also be responsible for leading multiple development teams while delivering the best in class enterprise-grade software solutions across a breadth of different platforms and technologies.
Full-stack
Job Description: Website Development Specialist
Position: Website Developer Executive
Job Location: Kolkata
Company: Lead Height
Company Location: 6A2, 6th Floor, Newtown Square Atghora, Newtown Road In Spencer Building, Kolkata, West Bengal 700136.
Salary (Fresher - Experienced): ₹9000 - ₹ 25000 (Basic Salary)
Job Type: Full-time
About Us: Lead Height Company is a dynamic and rapidly growing Digital Marketing Company in the IT Sector. We are the perfect blend of a creator and inventor. Lead Height was awarded the Best Startup Company 2020 for excellence and innovation. We are passionate and thrilled to stay updated about the latest marketing trends and techniques to optimize the key component of conversion rate, aiming to provide top-notch solutions to our clients and customers.
Job Responsibilities:
• Website Development: Design, develop, and deploy responsive and user-friendly websites using modern web technologies, ensuring compatibility across multiple browsers and devices.
• Front-end Development: Implement intuitive and visually appealing user interfaces using HTML, CSS, and JavaScript frameworks, ensuring seamless navigation and optimal performance.
• Back-end Development: Develop server-side logic and databases using programming languages such as PHP, Python, or Ruby, and frameworks like Django or Laravel, to enable dynamic functionality and data integration.
• Content Management System (CMS): Customize and integrate CMS platforms, such as WordPress or Drupal, to enable efficient content creation, publishing, and management.
• Web Application Development: Build interactive web applications, including e-commerce platforms, online portals, and custom web-based tools, incorporating secure and scalable coding practices.
• Cross-functional Collaboration: Collaborate with designers, UX/UI specialists, and other stakeholders to ensure the seamless integration of design elements and user-experience requirements into the development process.
• Testing and Debugging: Conduct thorough testing, debugging, and optimization of websites and web applications to ensure smooth functionality, responsiveness, and performance.
• Website Maintenance and Updates: Perform regular updates, maintenance, and security enhancements for existing websites, ensuring they remain up to date with the latest web standards and technologies.
• Documentation: Create and maintain technical documentation, including project specifications, code documentation, and version control, to facilitate efficient collaboration and future maintenance. Requirements:
• Web Development Skills: Strong proficiency in HTML, CSS, JavaScript, and other front-end technologies. Knowledge of back-end programming languages and frameworks is a plus.
• Frameworks and Libraries: Experience with popular front-end frameworks and libraries such as React, Angular, Vue.js, or Bootstrap, and familiarity with back-end frameworks like Node.js, Django, or Laravel.
• Database Management: Proficiency in working with relational databases (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB) to design, develop, and optimize database schemas and queries.
• Web Standards and Optimization: Familiarity with web standards, SEO best practices, and website optimization techniques to ensure fast loading times and optimal performance.
• Problem-solving skills: Strong analytical and problem-solving abilities to troubleshoot and debug complex web development issues.
• Collaboration and Communication: Excellent teamwork and communication skills to collaborate effectively with cross-functional teams and translate requirements into technical solutions.
• Continuous Learning: Willingness to stay updated with emerging web technologies, programming languages, and industry trends to ensure the adoption of best practices and enhance skill sets.
• Portfolio: A portfolio showcasing previous web development projects or code samples will be advantageous.
Disclaimer: This job description is a general outline of the responsibilities and requirements expected of a Website Development Specialist. Duties may be subject to change based on the company's needs and the evolution of the digital marketing landscape. Compensation:
Base salary: ₹9,000 - ₹25,000 per month.
Based on Experience of Candidates.
Benefits:
• Comprehensive training and onboarding process.
• Opportunity for career growth and advancement within the company.
• Supportive and collaborative work environment. If you are a results-driven individual with a passion for Website development and a desire to contribute to the growth of a thriving company, we encourage you to apply for the Website Development Executive at Lead Height Company.
Join our team and be part of our exciting journey to success! Application Process: Interested candidates are requested to submit their updated resume along with a cover letter detailing their relevant experience and why they believe they are a suitable fit for the role. We look forward to reviewing your application
Do you love React / Javascript / Frontend?
Like solving different problems, up for learning new stuff every day? Do you Like frontend but also like full stack? Like JavaScript but also like other languages? We are looking for the constantly curious and willing-to-try-new things type of people!
We are mostly React but not only, but we do also push into all types of strange and common.
Typical tools in our toolbox are:
React
Typescript
Redux (RTK toolkit)
Recoil
Create React App
React-Router
CSS / Sass
a lot of vanilla JS
Figma
Git
Great, if you are familiar with:
ViteT-3 Stack
React Query
Mandatory Requirements
- Strong MVCC frontend development experience in Angular, React, Vue, Angularjs, REDUX, or similar frameworks
- Strong foundation skills in HTML, CSS, SASS, LESS, SCSS, Javascript, OO Javascript (OOJS), and JQuery
- Responsive design techniques, highly proficient with strong security and performance optimization techniques.
- Experience building reusable components using modern techniques
- Experience building PWA and Hybrid applications using Ionic, React Native, etc. is a plus
- If you don’t have experience with MVCC frameworks like Angular, we will still consider if your fundamental skills (HTML, CSS, JS) are strong
Our current stack is Scala/Angular and Python. The core backend is in Scala with a lot of machine learning components in Python and the MVPs have spark architecture.
Ideally some one who good at Front-end and would like to develop full-stack capabilities.








