
Job Description: Senior Software Developer (React.js)
Location: [Pune, Maharashtra]
Overview: We are seeking a highly skilled Senior Software Developer with extensive experience in React.js to join our dynamic team. As a Senior Developer, you will be responsible for leading the development of cutting-edge web applications using React.js and related technologies. Your expertise will play a crucial role in designing and implementing scalable software solutions that meet our clients' needs and contribute to the overall success of our project.
Responsibilities:
- Lead the design and development of complex web applications using React.js and other modern JavaScript libraries and frameworks.
- Collaborate closely with product managers, designers, and other stakeholders to gather requirements, design solutions, and deliver high-quality software.
- Architect and implement reusable components and front-end libraries for future use.
- Optimize applications for maximum speed and scalability while ensuring cross-browser and cross-device compatibility.
- Stay updated with the latest industry trends in front-end development and mentor junior developers in best practices.
- Conduct code reviews and provide constructive feedback to ensure code quality and standards adherence.
- Troubleshoot issues, fix bugs, and improve application performance.
- Participate in Agile ceremonies and contribute to the continuous improvement of development processes.
Requirements:
- Bachelor's degree in Computer Science, Engineering, or related field; or equivalent work experience.
- Minimum of 10 years of professional experience in software development, with at least 5 years specifically using React.js.
- Strong proficiency in JavaScript, including ES6+ features.
- Experience with state management libraries such as Redux, MobX, or Context API.
- Deep understanding of web markup, including HTML5 and CSS3.
- Familiarity with RESTful APIs and asynchronous request handling.
- Solid understanding of version control using Git or similar systems.
- Excellent communication skills and ability to work effectively in a collaborative team environment.
- Proven track record of delivering high-quality software solutions on time.
Preferred Skills:
- Experience with TypeScript or similar statically typed languages.
- Knowledge of server-side rendering and Node.js.
- Familiarity with modern front-end build pipelines and tools, such as Webpack, Babel, and npm.
- Understanding of CI/CD pipelines and automated testing frameworks.
- Contribution to open-source projects or a strong GitHub profile.
Benefits:
- Competitive salary and performance-based bonuses.
- Flexible work hours and remote work options.
Join us and contribute to building innovative and scalable solutions using the latest technologies in a collaborative and supportive environment. Apply now to be part of our growing team of talented developers!

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Company Overview
VC-backed Fintech startup with an innovative online trading application seeking an experienced Frontend Engineer to join our growing team.
We're based out of UK and have our engineering team in India.
Job Description
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.
Responsibilities
- 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
- Maintain existing React systems, including fixing bugs
- Handling backend infra written in Next/Node/Express
Skills
- Strong proficiency in debugging, 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)
- Familiarity with newer specifications of EcmaScript
- Experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus
- Knowledge of isomorphic Next js and Node js is a plus
- 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 Babel, Webpack, NPM, etc.
- Familiarity with basic authentication mechanism and security
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- Familiarity with code versioning tools such as Git
[Please note: Our HQ is in Wales and we're in the process of creating an Indian Entity. This means that the candidate will be responsible for all Tax related compliances until the entity is setup.]
It is an app platform (Android & iOS) that offers discovery, trials and purchase of lifestyle brands across multiple categories like beauty and grooming, food and beverages, health and wellness, fragrances, smart technology, accessories, services and experiences targeted towards the upper middle class.
What shall be expected of you:
● Be responsible for the core UI framework, and implement and maintain it.
● Responsible for the development of the front-end applications and
components.
● Coordinate with the backend engineers & designers for requirement
gathering of the product.
● Responsible for quality assurance including web usability, accessibility,
testing and debugging.
● Build reusable code and libraries for future use.
You must have:
● 2-5 years of prior hands-on experience in building responsive web
interfaces for consumers.
● Strong development experience in the following technologies (HTML,
CSS, Javascript, AJAX, working with REST APIs)
● Front end frameworks/libraries such as ReactJS, and Redux.
● Ability to translate product requirements into functional code.
● Ability to estimate the scope of work for sprint planning.
● Self-motivation and ability to work in a small team with minimal
supervision.
Would be awesome if you are also good at:
● SEO and page speed optimization.
● Web standards, Responsive design, and cross-browser compatibility,
Accessibility.
● Additional web technologies like Angular, Vue JS, Next JS etc.
● Must be fluent in writing code in ES6+ along with linters. ● CSS
preprocessor - SCSS/ LESS
Roles and Responsibilities
• Plan, architect, integrate, and develop back-end and database driven features using the Python language and frameworks (Django, Flask, Tornado)
• Experience on Micro service architecture
• Strong knowledge on Web services/API
• Strong Knowledge on AWS/Azure, Docker, etc..
• Having great knowledge on software development methodologies, languages, technologies, security threats, etc.
• Create decoupled, interactive web UIs using JavaScript (Angular, Ember, jQuery, React Js)
• Provide technical advise and recommendations for language and software choices
• Develop code that is cross-browser and cross-platform friendly
• Collaborate with project stakeholders to ensure all requirements are met
• Evaluate technologies and manage technical planning
• Support and ongoing development for existing projects
• Provide clean code and proper documentation for each project
• Assists in resolving moderately complex production support problems
• Strong writing and speaking skills (English)
Technical Requirements:
• At least 4+ years experience developing and deploying websites and applications
• Experience with Django
• Experience with Agile/SCRUM practices
• Hands on experience on database like PostgreSQL,MySQL, Mongo db, etc.
• Custom web based application development experience
• Comfortable collaborating with designers, front-end developers and other team members
• Object-oriented design and development strategies
- Your Role and Responsibilities
- Your main job involves creating new features on the visible parts of a website using React.js.
- You'll be building reusable components that can be used again in the future, saving time and effort.
- Designs for the website will be given to you, and you'll convert them into actual working and visually appealing website elements.
- You'll ensure that the website works smoothly on various devices like phones, tablets, and computers.
- Skills and Traits We're Seeking
- You have a strong understanding of React.js and its workings.
- You're skilled in a JavaScript
- Experience with common React.js workflows like Flux or Redux is important.
- You're familiar with RESTful APIs.
- Knowledge of modern security measures like JSON Web Token is important.
- You're comfortable using tools that streamline the process of building website elements, such as Babel, Webpack, and NPM.
- Translating business requirements into technical plans for the website comes naturally to you.
- You've used version control tools like Git or SVN to manage and track changes in code.
- Expected Experience
- You should have accumulated 2 to 4 years of relevant experience in this field.
About us:
HappyFox is a software-as-a-service (SaaS) support platform. We offer an enterprise-grade help desk ticketing system and intuitively designed live chat software.
We serve over 12,000 companies in 70+ countries. HappyFox is used by companies that span across education, media, e-commerce, retail, information technology, manufacturing, non-profit, government and many other verticals that have an internal or external support function.
To know more, Visit! - https://www.happyfox.com/
We’re looking for an experienced Frontend Engineer to join our growing engineering team to help build and maintain HappyFox’s product offerings.
What you can expect as a Frontend Engineer at HappyFox:
- You will implement product features by writing clean, robust, reusable code with tests.
- You’ll work alongside the Product, Design, and, Backend Engineering teams to iterate on new features within HappyFox products.
- You'll help improve the overall experience of our product by improving the quality of the front-end features.
- You’ll help identify areas of improvement in the codebase and initiate projects to make HappyFox better.
- You’ll contribute to and follow our workflow process, alongside the rest of the Engineering team.
You should apply if:
- You have at least 3 years of relevant professional experience in building web applications with javascript frameworks like Ember.js or React.js.
- You have a sound knowledge of HTML, CSS, and JavaScript.
- You have experience building single-page web apps and a good understanding of best practices in front-end development.
- You have experience in reviewing other team members' code and providing actionable comments.
- You have experience in following industry-standard coding practices.
- You have experience optimizing code and looking for ways to resolve performance issues.
- You are passionate about solving complex technical problems and troubleshooting issues.
Company Information
We are a technology company developing state-of-the-art products in the 3D technology space. We help our clients in the luxury retail space, enhance their online presence and ability to showcase their products to the end customer as life-like.
We are looking for a skilled react.js developer to join our development team. In this role, you will be responsible for developing and implementing 3D React.js concepts and technologies.
You should have working or implementation experience in Three.js JavaScript 3D Library
Job description
- Strong Understanding of Threejs Concepts
- Experience working with Threejs Immersive projects
- Render 3D objects using WebGL & Javascript API in all standard browsers.
- Strong knowledge of mobile web standards
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- This would be added advantage: experience in setting up Projects with Webpack and the various loaders and plugins.
Mandatory : Javascript 3D, Three.JS, Library
React.js Developer Requirements:
- Bachelors in computer science, information technology, or similar field
- Previous experience working as a react.js developer.
- In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
- Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux would be beneficial
Education:
- Bachelor's (Preferred)
You must be comfortable working as part of a team while taking the initiative to take lead on new innovations and projects.
Qualifications
Proven 4+ experience as a client-side web Developer Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
Write well designed, testable, efficient code by using best software development practices
Add-Ons
Expertise in managing translation solutions for website localization.
Past experience in working in Similar Role
Good understanding of Software development
life cycle process Be responsible for maintaining, expanding, and scaling our site
Excellent communication and teamwork skills
Great attention to detail
Organizational skills'
An analytical mind
Degree in Computer Science, Statistics or relevant field
TECHNICAL SKILLSET
- You have strong experience with semantic HTML5, CSS3, and a CSS preprocessor of your choice SASS or LESS, understanding of writing modular CSS (Must)
- You have strong knowledge of Object Oriented JavaScript (Must)
- You have strong experience with Angular or any other frameworks like Ember, Backbone or React (Must)
- You have working experience with large scale front-end architectures
- You have good knowledge in using restful web services
- You have a strong focus on performance
- You have knowledge of CSS animations
- You have experience with automation tools like Web-pack, Grunt or Gulp
- You have knowledge of unit testing tools like Jasmine, Karma etc.
Job Role
- As a Frontend Developer you will be responsible for extending and optimizing product user interfaces. You will work in a team of developers and designers to build cutting edge, graphical appealing user interfaces that provide a great user experience
- Develop web applications using various JavaScript frameworks
- Have attention to detail and identify potential performance weak spots
- Find and share frontend best-practices with team members and other developers
- You will be actively involved during the entire technology development lifecycle.
- Responsibilities will include all aspects from design, coding, testing, customer feedback cycle changes and support.
- Work with a team of amazing developers and designers involved in the design and development of global platforms, participate in Agile sprints
- Invent and prototype new features, build, test and ship them to customers as SaaS, cloud based or hosted product platforms
- You will be working on one of the fastest growing e-Commerce platforms in exciting application areas like core commerce, supply chain, logistics and fulfilment, merchant and offline to Online, mobile commerce, analytics, automation, DevOps and a lot more for the global markets positioned for Asia.
- Participate in a fun, open learning environment with great benefits and smart talented folks that represent among the best globally.
Qualification
- A Bachelor’s degree in Computer Science or equivalent.
Quinbay is an upstart digital platforms and products company with a core focus on disrupting traditional markets and business models with the strength of our innovation driven digital value. We harness the power of our open innovation culture, our unique talent selection approach, the skills and expertise of our people across various industries, domains and technologies and a unique blend of analytics driven strategies for creating future digital platforms.
OPPORTUNITIES : Pursue opportunities in and learning/growth interests in Mobile, product development, product management, Analytics, Machine learning, UI/UX design, DevOps, Automation, Drones, bots and Java / open source development frameworks and methodologies – on a variety of domains like eCommerce, Logistics and fulfilment, Mcommerce and a whole lot others.
Opportunities to be part of fastest growing eCommerce platforms in exciting application areas like core commerce, supply chain, logistics and fulfilment, merchant, mobile commerce, analytics, automation and a lot more for the global markets positioned for Asia.
● Collaborate with cross functional teams to define, design and push new features and
innovative front-end solutions. Translate UI/UX design wireframes to actual code that will
produce visual elements of the application.
● Continuously discovering, evaluating, and implementing new technologies to maximize
development efficiency.
● Provide technical leadership towards new UI architectures.
● Unit-testing code for robustness, including edge cases, usability, and general reliability.
● Create and be accountable for user interaction model, workflows, information architecture,
prototypes and guidelines for user interfaces.
● Work closely and collaborate with other members of the development teams to ensure
smooth integration of the UI component with back end technologies
● Should have executed a production level end to end UI application on his own
● Hands on contributor who played an important role in implementing the proposed
architecture and design
● Excellent command over HTML5, CSS,Javascript,Jquery,Ajax,MVVM. Proficient
understanding of web markup.
● Good working knowledge of Bootstrap, Angular 7+, Node.js, Ember.js, Can.js, React.js
● Ability to develop test cases for UI applications functionality and flow testing
● Good knowledge of caching and memory management for UI applications
● Exposure to data visualization libraries such as D3.js
● Designing and building responsive web applications
Educational Qualifications/Requirements:
● 4+ years development experience.
● BE/BS in Computer Science, Management and Information Systems, or equivalent
● Problem Solver: Ability to formulate/implement technical solutions, proven ability to
understand, analyze and solve issues with guidance.
● Strong UI development experience in modern web technologies(HTML/CSS, JavaScript),
frameworks (Backbone.js, jQuery, AngularJS, Bootstrap, Knockout, etc)
● Expertise in Data Structures, Algorithms, Concurrency.
● Thorough understanding of the responsibilities of the platform , database , API , caching
layer , proxies , and other web services used in the system
● Knowledge of Java fundamentals, RESTful Web Services, JUnit testing, Java Script
Testing frameworks like Protractor & Jasmine. Test Driven Development (TDD) experience a
plus.
● Avid Learner/Contributor: Quick learner, great ability to listen and communicate well
verbally and written.
● Experience in internationalization/localization.










