React Js Developer

Wissen Technology is Hiring for React Developer

About Wissen Technology:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Job Summary:

We are seeking highly motivated React Developer

Experience: 8+ Years

Location: Pune/ Mumbai

Mode of Work: Full Time

Key Responsibilities:

• Should have 8+ years hands on experience in web technologies like JavaScript, HTML5 & CSS.

• Expert level knowledge of JavaScript including latest edition(s) of JavaScript (ES2023). Knowledge of typescript is a plus.

• Hands on experience with JavaScript frameworks like React 17 and above versions

• Good understanding of asynchronous request handling, partial page updates like Promises, RxJS

• Proficient in advanced CSS3, HTML5 and Bootstrap. Exposure to css-in-js libraries like styledjs or others is beneficial.

• Able to translate mockups in figma or illustrator to actual working components.

• Working experience on testing tool like karma/jasmine/enzyme.

• Basic understanding of nodejs is beneficial.

• Proficient understanding of code versioning tools, such as Git

• Excellent analytical/reasoning skills

• Good team player

• Excellent written and verbal communication skill

We are looking for a Frontend Developer. As a Frontend Developer, you should be comfortable with Front-end languages, Frameworks, and third-party Libraries. You should also be a team playerwith a a knack for visual design and utility.

Responsibilities:

• Work with development teams and product managers in agile methodology
• Design client-side architecture
• Build the front-end of applications through appealing visual design
• Troubleshoot, debug and upgrade software
• Build features and applications with a mobile responsive design

Requirements:

• Proven experience as a Frontend Developer or similar role.
• Knowledge of multiple front-end languages and libraries (e. g. HTML/ CSS, JavaScript, XML, jQuery).
• Sound Knowledge of ES5 ES6 Javascript Standards
• Knowledge of multiple JavaScript Libraries/frameworks (e. g. React, Angular).
• Knowledge of multiple Global State Management Library (e. g Redux).
• Knowledge of Class-Based Component and Functional Components(Hooks)
• Familiarity with UI/UX design (Mobile Responsive).
• Excellent communication and teamwork skills.

• Participate heavily in the brainstorming of UI/UX architecture and feature design
• Interface with external customers and key stakeholders to understand and document design requirements
• Work cross-functionally with Engineering, Data Science, Product, UX, BD, and Infrastructure teams
• Drive best coding practices across the company (i.e. documentation, code reviews, coding standards, etc)
• Perform security, legal, and license reviews of committed code
• Complete projects with little or no supervision from senior leadership

• Must have at least 2+ years experience in front-end web development with the following tools: HTML5, CSS, Webpack, Responsive web design, ReactJS (Components, Router, Redux, Flux, Chart Libraries i.e. Google Charts), Node.js, REST APIs, and other essential features)
• Built and deployed customer-facing services and products at scale
• Developed unit and integration tests
• Solid instruction-level understanding of Object Oriented design, data structures, and software engineering principles

• You have a strong background in natural language processing, statistical modeling, and/or machine learning
• Experience with open source projects in a startup environment
• Experience with large-scale distributed systems that have thousands of microservices and manages millions of transactions per day
• Worked on products where experimentation and data science are core to the development
• Experience with Python and API frameworks (Flask)
• BS, MS or equivalent

Senior developers only

Min 5 years of real experience 

Front End/Web react.js

Remote work

(We prefer individual developers over agencies or IT providers)

Work Location: Hyderabad

J.D:

• Minimum 3+ years of professional experience in Angular 2+ and above, React JS and scripting Language.
• Excellence in modern JavaScript, HTML5 and design patterns.
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, React testing library, server side rendering, and Type script.
• Validating user input on the client side and implementing meaningful feedback.
• Skill in designing a modern build process that integrates testing and continuous delivery.
• Hands-on experience with creating configuration, build, and test scripts for continuous integration environments.

We are looking for a Front-End Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.

Responsibilities:

• Develop new user-facing features
• Build reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Assure that all user input is validated before submitting to back-end
• Collaborate with other team members and stakeholders

Skills And Qualifications

• Proficient understanding of web markup, including HTML5, CSS3
• Basic understanding of server-side CSS pre-processing platforms
• Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
• Good understanding of ReactJS, Native
• Basic understanding of Django REST framework
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image. Familiarity with tools such as as Gimp or Photoshop is a plus.
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as (Git / Mercurial / SVN)
• Good understanding of SEO principles and ensuring that application will adhere to them.

1. Hands on Expert in UI/Front End Engineering/Development specifically React,
2. Redux, NodeJs who can code, design and own front end development and code.
3. Experience in React v16, Reach Redux, React Fibre and JavaScript advance (ES6+),
4. Experience in Advance State Management [Example: Redux, Mobx, RxJs, GraphQL etc]
5. Good experience on UI framework like Angular JS/ Vue JS/ Ext JS/jQuery/ React JS or equivalent SPA framework
6. Experience in HTML5, Javascript CSS3, ExpressJs, GraphQL
7. Strong understanding of Rest APIs, Web Sockets, Service Workers, HTTP/S Protocol, Web Security and Cloud Infrastructure, CI/CD, Web Packaging and Optimization, UX and Styling.
8. Expertise in Advance Java-Scripts
9. Knowledge and experience with Data Structure and Design methodologies.
10. Problem solving skill
11. Good experience working in Agile/Scrum teams
12. Good written and verbal communication skills.

• Experience in developing large scale, highly available, complex front-end development using JavaScript, React.js and ReactNative.
• Strong knowledge in both web and mobile application development.
• Knowledge, skills, and experience to write detailed design documentation, and functional specifications for application development.
• Write well designed, efficient, reusable, and reliable code.
• Experience with popular React.js workflows (such as Flux or Redux).
• Work with other senior Developers to resolve/debug program errors.
• Knowledge and ability to apply OOD (Java, HTML, XML, Java Script, and Patterns) and impact to the application development process.
• Knowledge of Agile development methodologies (preferably Scrum).
• Knowledge of database design and data structure libraries,(e.g., Immutable.js).
• Developing new user-facing features using React.js.
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Actively aid the consulting team in different phases of the project including problem definition, effort estimation, diagnosis, solution generation, design development and deployment.
• Experience with data structure libraries,(e.g, Immutable.js).
• Contributing to team meetings, troubleshooting development.
• Good understanding of HTML CSS and front-end design technologies.

• Ability to establish and maintain effective working relationships, supporting company leadership and other team members.
• Ability to manage multiple and changing priorities/tasks.
• Must like to continuously improve code, product and process.
• Must work with a strong professional and ownership mindset.
• Strong working experience in JavaScript, ReactNative and ReactJs is required.
• In-depth understanding of Javascript, the DOM, and relevant concepts.
• Proficiency in Typescript.
• Should have hands-on experience with testing libraries like jest & enzyme.
• Must be strong in logic and coding abilities.
• Strong analytical and problem-solving skills.
• Must be passionate and self-motivated.
• Excellent team player and good communication skills.

Key Responsibilities:

• Participate in full project life cycle (including requirement analysis, system design, development, and support if required).
• Partner with Project Managers, Business Analysts, and other developers to plan project work by providing estimates, risk analysis, technical options.
• Support and work collaboratively with teams across areas of design, development, quality assurance, and operations.
• Help define the vision for a product, identify dead ends and routes with untapped potential.
• Attend meetings to discuss and demonstrate solutions at both a technical and business level.

Required Skills

• 5+ years of web application development experience using at least one of the following: Javascript, Web Components, Angular, Polymer, ReactJS, Redux, LitElement, Svelte, VueJS, or knockout.js. Web Components is used and preferred.
• Experience with SPA (Single Page Application) design and implementation
• Experience with HTML5/CSS3/JavaScript/ and AJAX
• Experience working with a variety of APIs and RESTful interfaces
• Experience with performance optimization
• Experience integrating security best practices into the SDLC
• Experience with Git
• 1+ years of Agile development experience
• Experience manipulating and working with data in a variety of forms: csv, xml, json, structured and unstructured
• Intellectual curiosity and drive; self-starters will thrive in this position
• Passion for Technology: excitement for new technology, bleeding edge applications, and a positive attitude towards solving real world challenges

Desirable Skills

• SQL experience. PostGreSQL a plus.
• Knowledge of AWS or other cloud environments is a plus.
• Knowledge JIRA, Bamboo, Confluence, or BitBucket a plus.
• Experience with CI/CD is a plus.
• Experience working with databases and web applications in analytics, reporting or Business Intelligence is a plus.