Senior Front end engineer

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

Position Overview:

As a Frontend Developer, you will be responsible for creating and implementing innovative user interfaces and ensuring the seamless integration of design and functionality. The ideal candidate should have a minimum of 1.5 years of experience in front-end development, with a strong proficiency in React, JavaScript, SCSS, HTML, frontend architecture design, and design concepts

Responsibilities:

Collaborate with the design and development teams to translate UI/UX designs into interactive web pages or applications.

Develop responsive web interfaces and ensure cross-browser compatibility.

Write clean, modular, and maintainable code using best practices and coding standards.

Optimize application performance and ensure scalability.

Conduct thorough testing and debugging to identify and fix issues.

Collaborate with backend developers to integrate frontend interfaces with server-side logic.

Stay up-to-date with the latest front-end technologies, trends, and frameworks.

Participate in code reviews and provide constructive feedback to improve code quality.

Work closely with stakeholders to understand requirements and propose effective technical solutions

Qualifications:

Bachelor's degree in Computer Science, Engineering, or a related field.

Minimum 1.5 years of experience as a Frontend Developer.

Strong proficiency in React, JavaScript, CSS, and HTML.

Solid understanding of frontend architecture design patterns and concepts.

Experience with frontend frameworks like Redux, Vue.js, or Angular is a plus.

Familiarity with RESTful APIs and asynchronous request handling.

Knowledge of version control systems (e. g., Git) and project management tools (e. g., Jira).

Ability to collaborate effectively with cross-functional teams.

Strong problem-solving skills and attention to detail.

Excellent communication and interpersonal skills.

Requirements:

• 10+ years of software development experience in java.
• Knowledge of multiple front-end languages and libraries (e. g. HTML/ CSS, JavaScript/Typescript, XML, jQuery)
• Familiarity with RESTful APIs.
• Experience with Micro Services based architecture
• Experience with Angular 5 Angular 8 and/or experience with React JS
• Strong debugging/troubleshooting skills.
• Good understanding of SDLC, Agile methodologies
• Proven experience as a Full Stack Developer.
• Experience developing desktop and mobile applications
• Familiarity with common stacks Knowledge of multiple back-end languages (e. g. C#, Java, Python) and JavaScript frameworks (e. g. Angular, React, Node.js )Familiarity with Docker and Kubernetes
• Familiarity with databases (e. g. MySQL, PostgreSQL), web servers (e. g. Tomcat, Apache).
• Excellent communication and ability to lead a 5-10 member team

Responsibilities:

• Responsible for the entire development process for the Internal IP (e.g. Quality Fusion)
• Work with development teams and product managers to ideate software solutions
• Analyzing user requirements, envisioning system features and functionality.
• Design, build, and maintain efficient, reusable, and reliable codes by setting expectations and features priorities throughout the development life cycle.
• Working with Senior leadership and stakeholders to present ideas and solutions
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIsTest software to ensure responsiveness and efficiency in troubleshooting, debug and upgrade software
• Create security and data protection settings.

• 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)
• Hands on experience with Typescript
• Expertise with RESTful APIs integration and best practices
• 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.
• Ability to understand business requirements and translate them into technical requirements
• Familiarity with code versioning tools such as Git

We are looking for a great JavaScript developer with experience in the range of 2 to 6 years, who is proficient in frontend techlogies 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.

We are hiring 2 ReactJS Developers. Candidates having experience of working on charts/graphs like d3.js, chart.js will have an added advantage.

Selection Criteria
If your profile has selected then you have to attend a 5 hours assignment to move your candidature to the final round of interview.

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
•  

Technical Skills

• 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)

• Familiarity with newer specifications of EcmaScript

• Experience with data structure libraries (e.g., Immutable.js)

• Knowledge of isomorphic React 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.

• 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.

• Strong proficiency in JavaScript, object model, DOM manipulation and event handlers, data structures, algorithms, JSX, and Babel
• Complete understanding of ReactJS and its main fundamentals like JSX, Virtual DOM, component lifecycle, etc.
• Preceding experience with ReactJS workflows like Flux, Redux, Create React App, data structure libraries
• Understanding of RESTful APIs/GraphQL, HTML/CSS, ES6 (variables and scoping, array methods), code versioning tools like GIT, SVN, etc., popular frontend development tools, CI/CD tools, DevOps, performance testing frameworks like Mocha, Node + NPM
• Preferred degree in Computer Science, Information Technology or similar