
Key Responsibilities
- Develop and implement user-centric features on web platforms to enhance overall experience and usability.
- Collaborate with designers, backend engineers, and product teams to deliver cohesive and scalable products.
- Solve diverse technical and integration challenges by building efficient solutions that connect with automation systems.
- Apply best practices to create reusable, testable, and maintainable components and frameworks.
- Optimize application performance and ensure responsive and adaptive design across multiple devices and browsers.
Qualifications
- Strong understanding of modern front-end development frameworks and architecture.
- Hands-on experience building interactive, high-performance web applications.
- Proficiency with:
- React, Redux, and TypeScript
- Build tools like Vite, CSS preprocessors such as Less/Sass
- Solid grasp of UI/UX principles, responsive design, and accessibility standards.
- Experience integrating front-end solutions with REST APIs or automation systems is a plus.
- Strong problem-solving skills and a collaborative mindset.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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DESIRED SKILLS: React.js, JavaScript, Redux, RESTful APIs, TypeScript
JOB SUMMARY
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
Familiarity with RESTful APIs
Knowledge of modern authorization mechanisms, such as JWT 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, SVN, and Mercurial)
Familiarity with any ReactJS testing framework is plus
Experience: 1+ Years
Roles & Responsibilities:
Design and develop cross-platform mobile applications using React Native, ensuring high performance, responsiveness, and code quality.
Collaborate with UI/UX designers and backend developers to implement intuitive and visually appealing user interfaces.
Contribute to the technical design and architecture of mobile applications, ensuring scalability, modularity, and maintainability.
Evaluate and select appropriate libraries, frameworks, and tools to enhance the development process and application performance.
Implement new features and functionality in mobile applications based on project requirements and specifications.
Write clean and efficient code, conduct thorough testing, and ensure proper documentation of the implemented features.
Participate in code reviews and provide constructive feedback to team members. Collaborate closely with cross-functional teams, including designers, product managers, and backend developers, to ensure smooth project execution and timely delivery.
Identify and resolve bugs, performance issues, and other technical problems in mobile applications. Conduct debugging, testing, and optimization to ensure the stability and reliability of the applications.
Optimize the performance of mobile applications by identifying and addressing bottlenecks, reducing loading times, and improving memory usage.
Conduct profiling and performance testing to enhance the overall user experience.
Write unit tests and conduct thorough testing to ensure the quality, functionality, and compatibility of mobile applications across different devices and platforms.
Collaborate with quality assurance engineers to identify and resolve any defects or issues.
Stay updated with the latest trends, best practices, and advancements in mobile app development, particularly in the React Native ecosystem.
Continuously enhance your skills and knowledge to contribute to the improvement of the team's development processes and standards.
Requirements:
Proven experience as a Software Engineer, with a minimum of 1+years, specifically in mobile app development using React Native.
Strong proficiency in JavaScript, TypeScript, and React Native framework.
Familiarity with native mobile development (iOS and Android) and related tools.
Experience with mobile app testing frameworks, such as Jest or Detox.
Understanding of RESTful APIs and integration of mobile apps with backend services.
Knowledge of mobile app performance optimization techniques and tools.
Familiarity with Agile software development methodologies and practices.
Excellent problem-solving and analytical skills.
Strong communication and collaboration skills, with the ability to work effectively in a team-oriented environment.
Preferred Qualification:
Bachelor's degree in Computer Science, Software Engineering, or a related field
Responsibilities:
- Developing new user-facing features using JavaScript framework React JS.
- Building reusable components and front-end libraries for future use.
- Translating designs and wireframes into high-quality code which works across platforms.
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
- Should be able to take initiatives and ownership and build the products from scratch.
- Maintain code and write automated tests to ensure the product is of the highest quality.
Requirements:
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Thorough understanding of React.js, JavaScript, HTML, CSS 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 functional and object-oriented programming.
- 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.
We are looking for a Product Engineer - Frontend Engineer to join our early stage startup with experience in building B2C products.
If you have experience of working in product based companies (preferably startups), good to excellent coding skills in react js and typescript, have a keen eye for details in the UI, and are looking to build exciting things that children across the world will use - come talk to us!
What you get to do:
- Design and build advanced applications from scratch keeping scalability and performance in mind
- A good handle on both client and server architecture.
- Work on bug fixing and improving application performance.
- Comfortable in owning large scale products and continuously re-evaluating and innovating.
Who are we looking for:
- Bachelor's degree or equivalent in Computer Science
- 1+ years' experience in frontend development
- Familiarity using Scrum/Agile development methodologies
- Experience building object oriented web applications in React JS, Typescript, HTML5, and CSS3
- Should be a quick learner and willing to go the extra mile in delivering the projects.
- Should be able to mentor junior folks whenever necessary.
● Bachelor’s degree in Computer Science or equivalent preferably from IIT, NIT & other
premier institutes.
● Rockstar Javascript developer, who appreciates the intricacies of JS as well as passionate
to follow new trends in JS.
● Experience with product companies.
● 3-7 yrs software development on advanced JavaScript stack (Native Javascript,
Asynchronous Request Handling, AJAX, HTML5, CSS3, etc)
● In-depth knowledge in React Native.
● Proficiency in NodeJs will be a plus.
● Proficiency in any other modern web frameworks will be a plus.
● A solid knowledge of advanced data structures & algorithms.
● Proficient in Computer Science fundamentals & object-oriented design.
● Solid understanding of cross-browser compatibility issues and ways to tackle those.
● Must possess a track record of building Single Page responsive UI.
● Knowledge of NodeJS will be a plus.
● Experience with Databases such as NoSQL and any RDBMS will be a plus.
● Experience with transport protocols such as TCP, HTTP & WebSocket.
● Expressing and appreciating design patterns is a real addition.
Purpose of the Role
To design and implement the Peak AI System - a new system of intelligence that allows companies to quickly harness the power of AI.
The Opportunity
Peak are a Decision Intelligence company - where we are democratising AI for every business and building a great company that everyone loves being part of. We are on a mission to help organisations use AI to make great commercial decisions, all the time. Just as importantly, we are also focused on building an amazing company: one where we truly value our people & culture, and strive to make an amazing and diverse place to work. Our recent Best Companies award & World class accreditation for being one of the top companies to work for is a testament to this.
We have ambitious plans over the coming years - to create and lead a new category of enterprise software; the decision intelligence system (Decision Intelligence), expand our operations and create the best working culture possible. This is a great time to join Peak and the Engineering team, as we start the next stage of our global growth.
The Role
Based in Jaipur or Pune, you will be working in a collaborative team on cutting edge technologies in a supportive and dynamic environment. Ultimately you are responsible for building the CODI and on-boarding new clients - this involves:
- Developing a good understanding of the solutions which Peak delivers, and how these link to Peak’s overall strategy.
- Making suggestions towards shaping the strategy for a feature and engineering design.
- Managing own workload and usually delivering unsupervised. Accountable for their own workstream or the work of a small team.
- Understanding Engineering priorities and is able to focus on these, helping others to remain focussed too
- Acting as the Lead Engineer on a project. Helps ensure others follow Peak processes, such as release and version control.
- An active member of the team, through useful contributions to projects and in team meetings.
- Supervising others. Deputising for a Lead and/or support them with tasks. Mentoring new joiners/interns and Masters students. Sharing knowledge and learnings with the team.
Required Skills and Experience
We are building a team of world class engineers in Jaipur, essentially we are looking for bright, talented engineers looking to work at the cutting edge of practical AI.
- Acquired strong proven professional Front End Development experience.
- Proven track record and experience working on Javascript and front end frameworks like React (preferred) and Angular
- Knowledge and experience working with Node.js, Go or any other back end programming language is a plus .
- Experience of turning UI/UX designs to applications and keen interest in the UI/UX side of an application.
- Able to build prototypes quickly and work with the product teams to test a concept.
- Demonstrable experience in building front end or UI/UX development practices in previous jobs.
- Building and implementing a product on cloud based infrastructure.
- Good understanding of Microservice Architecture, Cloud Technologies, CI/CD and Serverless.
- Ability to document requirements and specifications.
- A naturally inquisitive and problem-solving mindset.
- Strong experience in using Agile Methodologies such as Kanban or Scrum to build quality software.
- Good communication skills.
As well as doing great work we have created an award-winning, fun and exciting workplace that people love to be, we are looking for people to join us who share our values and are:
- Open - Always up for new ideas and able to take and give feedback in a positive way.
- Driven - sets high goals, doesn’t give up, and make sacrifices to ensure that their job gets done on time and meets/exceeds expectations.
- Curious - Aware of new technologies and uses them to make new improvements in the Engineering ecosystem.
- Smart - Innovative and thinks out of the box, in difficult situations finds a way to succeed no matter what
- Responsible - takes ownership of tasks given and has a strong work ethic.
About Peak
In an age when becoming AI and data-driven is one of the most important things businesses must do, it can also be one of the most challenging. That’s where Peak comes in; our CODI system sits at the heart of our client’s businesses, enabling the rapid unification, modelling and - most importantly - use of data - helping decision makers make great commercial decisions, powered by AI. All supported by our world-class data science team.
Founded in 2014, Peak has grown rapidly, in line with the world’s fastest growing SaaS companies, winning numerous awards and attracted significant funding to support the company’s ongoing investment in machine learning and AI technologies. All to further our mission to become the world’s leading AI System business.
Headquartered in Manchester, Peak also has offices in London, Edinburgh, Jaipur and Brisbane. Our clients include some of the world's leading retailers, manufacturers and well-known brands alongside highly innovative and tech-savvy businesses. Peak is an Amazon Web Services (AWS) Partner, and holds Machine Learning Competency and Retail Competency status.
We are looking for a great JavaScript developer with 4+ years of experience 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 products are very 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
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, Redux, or Redux Saga)
● Familiarity with newer specifications of EcmaScript ● Knowledge of Node.js is considered a big plus
● Knowledge of D3.js is considered a plus
● You are always mindful of quality attributes like maintainability, performance, security, scalability, usability, and testability. As a result, you have successfully contributed to the architecture and UI/UX proposals and decisions.
● Strong experience creating pixel perfect and responsive designs
● Strong CSS skills (SCSS / Styled-components)
● Experience with data structure libraries (e.g., Immutable.js)
● Knowledge of Reactjs functional components and react hooks.
● 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)
- 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
- Integrating Backend APIs with User interfaces
- 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, Auth 2.0 etc
- Familiarity with modern front-end build pipelines and tools
- Experience with common front-end development tools such as 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
Responsibilities:
- Understand the requirement and purpose of implementation.
- Implement modules with individual products and come up with impact and own ideas and solutions.
- Troubleshooting issues across environments.
- Responsible for monitoring, highlighting and troubleshooting issues across environments.
- Responsible for design and develop the components as per the requirement.
- Technical documentation, design and development using tools and technologies like HTML5, JAVA and Angular JS etc.
- Complete the build of code on time and as per application coding standards, and perform unit testing.
Requirements:
- Strong Expertise and experience in HTML5, charting libraries, JavaScript, jQuery, Angular(2+) or ReactJS
- Strong hands-on experience in Web services (REST)
- Proficient knowledge in D3.JS
- Good understanding of user interactions
- At least involved in one live project on D3.JS
- Handson on Visualisations
- Knowledge in Nodejs
- Knowledge in React JS / Angular 2+
- Good understanding of cloud computing platforms and its services
- Experience in UI, UX, data visualisations, usability, design aspects and user stories
Good to have: Javascript, HTML, CSS, etc.,










