senior react js developer

Role and Responsibilities 

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.  

• • Developing new user-facing features using React.js 
• • Building reusable components and front-end libraries for future use 
• • Translating designs and wireframes into high quality code 

• • Optimizing components for maximum performance across a vast array of web-capable devices and browsers. 
• • Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model 
• • Thorough understanding of React.js and its core principles 
• • Experience with popular React.js workflows (such as Flux or Redux). 
• • Experience in Bootstrap framework.  

• • Familiarity with newer specifications of ECMAScript 
• • Familiarity with RESTful APIs 
• • Knowledge of modern authorization mechanisms, such as JSON Web Token 
• • Familiarity with modern front-end build pipelines and tools 
• • Experience with common front-end development tools such as NPM, YARN etc. 

• • Ability to understand business requirements and translate them into technical requirements 
• • A knack for benchmarking and optimization 
• • Familiarity with code versioning tools Azure Devops. 
• • Experience in IDE such as VS code \ VS. 

• Experience – 10 - 14 years 

• Qualification – Any graduate  

Position Overview: Front-End Developer (Next.js)

We are seeking an experienced Front-End Developer with strong hands-on expertise in Next.js and React.js. The ideal candidate will build and maintain scalable, responsive web applications using modern front-end technologies and best practices in performance, SEO, and rendering techniques.

Key Responsibilities

• Develop and maintain responsive, scalable web applications using React.js and Next.js
• Implement CSR, SSR, and SSG using Next.js best practices
• Build reusable, modular UI components following clean front-end architecture
• Integrate and manage REST APIs for data retrieval, caching, and error handling (React Query or similar)
• Optimize applications for performance, SEO, and accessibility
• Collaborate with backend engineers and UI/UX designers to deliver high-quality user interfaces
• Debug, test, and document code to ensure maintainability and scalability

Required Skills

• Strong knowledge of Next.js fundamentals (routing, rendering techniques, API routes)
• Proficiency with React Hooks and understanding of component lifecycle
• Solid experience integrating REST APIs and handling errors effectively
• Familiarity with state management libraries such as React Query, Redux, or Zustand
• Strong skills in JavaScript (ES6+), HTML5, and CSS3
• 7–10 years of front-end development experience

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

Job Description:

We are looking for an expert JavaScript developer who is highly skilled with Vue.js. Your primary focus will be developing user-facing web applications and components.

Good experience in VueJS. Background of React/Angular.Strong knowledge of OOJS and ES6

Ability to write reusable, effective, and scalable JavaScript code. Building modular and reusable components and libraries. Translating client’s technical specifications into code.

You’ll implement them with the Vue.js framework, following generally accepted practices and workflows. You will ensure that you produce robust, secure, modular, and maintainable code. You will coordinate with other team members, including back-end developers and UX/UI designers. Your commitment to team collaboration, perfect communication, and a quality product is crucial.

Work Experience: 3 to 4 years

Responsibilities:

Developing user-facing applications using Vue.js

Building modular and reusable components and libraries

Optimizing your application for performance.

Implementing automated testing integrated into development and maintenance workflows

Staying up-to-date with all recent developments in the JavaScript and Vue.js space

Keeping an eye on security updates and issues found with Vue.js and all project dependencies

Proposing any upgrades and updates necessary for keeping up with modern security and development best practices.

Skills:

Highly proficient with the JavaScript language and its modern ES6+ syntax and features.

Highly proficient with Vue.js framework and its core principles such as components, reactivity, and the virtual DOM.

Familiarity with the Vue.js ecosystem, including Skills.

Familiarity with the Vue.js ecosystem, including Vue CLI, Vuex, Vue Router, and Nuxt.js

Good understanding of HTML5 and CSS3, including ( Sass or Less depending on your technology stack )

Knowledge of functional programming and object-oriented programming paradigms

Familiarity with automated JavaScript testing, specifically testing frameworks such as Jest or Mocha

Proficiency with modern development tools, like Babel, Webpack, and Git

Good understanding of HTML5 and CSS3, including ( Sass or Less depending on your technology stack )

Understanding of server-side rendering and its benefits and use cases.

Knowledge of functional programming and object-oriented programming paradigms.

Ability to write efficient, secure, well-documented, and clean JavaScript code.

Familiarity with automated JavaScript testing, specifically testing frameworks such as Jest or Mocha.

Experience with both consuming and designing RESTful APIs.

What we are looking for?

A React JS Developer to manage a project for one of our biggest clients in the banking domain. The Individual should be passionate about technology, and experienced in developing and managing cutting-edge technology applications.

Technical Skills:

• 4 - 8 years experience in various software development/maintenance roles and proven experience working on React projects under an Agile /Scrum methodology and extensively used 

    React JS (Must Have)

    C#, .Net Core (Good to have)

    Web API

    JQuery

   HTML5

    Version control systems like GIT.

• Experience in doing peer reviews and code reviews.
• Unit Testing Frameworks like Jest and karma
• Exposure to Source control like TFS, GIT
• Understanding of Agile methodologies
• Experience with Real Estate IT systems would be an advantage.
• Understanding of Enterprise Frameworks, Release procedures, understanding of development environments.
• Demonstrated ability in communicating with business users and assessing their needs.
• Demonstrated ability in providing solutions and working through the full development life cycle.
• Experience in progress reporting to management.
• Time Management Skills.
• Analytical and problem-solving skills.
• Excellent troubleshooting and communication skills.
• Have the ability to provide constructive criticism in an inoffensive manner and be willing to help the team achieve the sprint goal. 
• Other duties as required.
• Participate in requirements analysis
• Write clean, scalable code using React
• Test and deploy applications and systems
• Refactor and debug code.
• Develop documentation throughout the software development life cycle (SDLC).
• Expert in applications and provide technical support.
• Work closely with Solution Architect in designing applications. 
• Write unit tests/functional tests/integration tests as per the definition of done for the Scrum team. 
• Write and verifies code that adheres to the acceptance criteria 
• Development according to best practices as per industry standards. 
• Post Implementation Support and production support. 
• Work closely with Architects and Scrum Masters to ensure the team attains continuous improvement 
• Have the ability to provide constructive criticism in an inoffensive manner and be willing to help the team achieve the sprint goal. 
• Ability to meet with clients as and when needed to discuss technical issues

Behavioral Skills:

• Resolve technical issues of projects and Explore alternate designs
• Participates as a team member and fosters teamwork through inter-group coordination within the modules of the project.
• Effectively collaborates and communicates with the stakeholders and ensures client satisfaction
• Train and coach members of project groups to ensure effective knowledge management activity.

Certification:

• Any relevant certification would be added advantage

We are looking for a front end engineer with focus on UI/UX engineer with superb technical and aesthetic aptitude. The front end engineer will primarily be responsible for building and delivering custom solutions for our customers including the graphic design, experience design, and coding of the front ends. In this role, we expect you to gain an intimate understanding of your user and the value they’ll derive from the solution and develop user interfaces to deliver that value to the user in an ideal manner. The successful candidate will be curious, creative, ambitious, self motivated, flexible, and have a propensity for taking action.

Although your primary responsibilities will be around front-end work, we prize individuals who are willing to step in and contribute to other areas including automation, tooling, and management of applications.

As part of the early engineering team, you will have a chance to make a measurable impact in future of Thinkdeeply as well as having a significant amount of responsibility.

Skills

Required Skills:

• 5+ years in architecting and building Single Page Applications (SPA)
• Shipped at least 2+ applications using Angular/AngularJs
• Expertise in building Angularjs and Angular with integration and unit tests
• Experience in upgrading angular/js versions and converting angularjs -> angular.
• Good working knowledge of other frameworks such as REACT, nodejs, meteor etc.
• Experience with package management tools such as webpack for minification, uglification etc
• Experience with creating embeddable widgets
• Expertise with CSS frameworks such as Bootstrap4

Desired Skills:

• Demonstrated expertise of building cloud native applications
• Familiarity with administration of CI/CD such as jenkins

Responsibilities

• Develop new user-facing features
• Build reusable code and libraries for future use
• Collaborate with other team members and stakeholders to create UI/UX designs
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Collaborate with other team members and stakeholders