
ReactNative ● Proficient in React, JavaScript (ES6+), and TypeScript. ● Expertise in state management libraries (Redux, Zustand, etc.). ● Hands-on experience with react-navigation and deep linking. ● Solid understanding of Expo (both managed and bare workflows). ● Knowledge of native development (Swift/Objective-C for iOS, Java/Kotlin for Android). ● Experience with custom native module bridging and native UI integration. ● Strong debugging skills using tools like Flipper and Chrome DevTools. ● Familiarity with Jest, React Native Testing Library. ● Experience with REST APIs, GraphQL, and real-time data (WebSockets). ● Ability to manage OTA updates with EAS Update and configure EAS Build. ● Experience in app publishing and release lifecycle on both Play Store and App Store. ● Knowledge of secure storage, token handling, and app-level security practices.

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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· 12+ years of professional experience in front-end development.
· 7+ years of hands-on experience with React.js and its ecosystem (Redux, Context API, Hooks, etc.)
· Strong understanding of JavaScript (ES6+), HTML5, and CSS3.
· Experience with RESTful APIs, GraphQL, and WebSocket integration.
· Proficiency in modern build tools (Webpack, Vite, Babel, etc.).
· Expertise in state management libraries (Redux, MobX) and React Query.
· Solid understanding of UI/UX principles and responsive design.
· Experience with testing frameworks (Jest, React Testing Library, Cypress, etc.).
· Familiarity with modern CI/CD pipelines and version control tools (Git).
Job Description :
- Work with your team to design and build software applications to function across web applications
- Build reusable code and libraries for future use.
- Work closely with UX designs and work on integrating the wireframes into UI
- Validate the technical feasibility of UI/UX designs.
- Optimize application for maximum speed and scalability.
- Conduct thorough testing of user interfaces in multiple platforms to ensure all designs render correctly and systems function properly.
- Get feedback from, and build solutions for users and customers.
- Write functional requirement documents and guides.
- Ensure high-quality graphic standards and brand consistency
- Collaborate with other team members and stakeholders.
- Architect and build high-performance, scalable, and user-friendly mobile apps using native frameworks
- Optimize application performance and ensure responsiveness across different iOS devices.
- Integrate with RESTful APIs and other backend services.
- Implement unit and integration tests to ensure code quality.
- Collaborate with designers, product managers, and other stakeholders to deliver a seamless user experience.
- Stay up-to-date with the latest trends and advancements in UI development.
- Mentor and guide junior team members. Mandatory Requirements
- Minimum of 5 years working as a professional UI developer
- Proficient knowledge of web markup, including HTML5, CSS3 and Javascript .
- Expertise in front-end in any of the front-end frameworks like React.js
- Strong understanding of front-end coding and development technologies.
- Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
- Experience with state management libraries like Redux
- Experience with unit testing frameworks like Jest or WTR
- Experience in E2E testing frameworks like Playwright or Puppeteer
- Familiarity with RESTful APIs and integration with backend services
- Experience with performance monitoring and Optimization tools.
- Excellent communication and collaboration skills.
Company Description
CorpCare is India’s first all-in-one corporate funds and assets management platform based in Mumbai. We offer a single window solution for corporates, family offices, and HNIs to formulate and manage treasury management policies. Our portfolio management system provide assistance in conducting reviews with investment committees and the board.
Role Description
Role- Frontend Developer (Next JS)
CTC- Upto 12 LPA
The ideal candidate will be responsible for designing, developing, testing, and debugging responsive web and mobile applications for the company. Using JavaScript, HTML, and CSS, this candidate will be able to translate user and business needs into functional frontend design.
Responsibilities
- Designing, developing, and testing UI for mobile and web applications.
- Build reusable code and libraries for future use.
- Accurately translate user and business needs into functional frontend code
Qualifications
- Bachelor's degree or equivalent in Computer Science.
- 2+ years' experience in frontend development. React and Next JS experience is must.
- Familiarity using Scrum/Agile development methodologies.
- Experience building object-oriented web applications in JavaScript, HTML5, and CSS3
We have multiple open positions for full-stack engineers to work with us on a cutting-edge eCommerce trade analysis platform.
Must have experience with:
- Typescript
- NextJS
- Firebase / AWS services
- Experience working on SaaS applications with a large codebase
Nice to have
- Tailwind
- DynamoDB
- Chart libraries such as ChartJS
Requirements :
a) CSS / Bootstrap : Flex Layout/ability to demonstrate the cascading nature of CSS clearly with example/Positioning.
b) Pure JavaScript: Prototype chain and inner workings of inheritance in JS. Understood DOM, Events, Event Bubbling, and Capturing/ ability to demonstrate it with example/ Promises and their use cases.
c) TypeScript: Basic understanding of using TS. Union Types, Index Signatures,
d) REST: Backend experience. REST principles, URL structures for APIs. integration using native JS (fetch and Promises) and in Angular. use cases of getting vs POST vs PUT vs PATCH.
e) Angular : Abstractions of Angular Component, Service, Pipe, Directive, Module, Lifecycles. Knew advanced patterns as well Dynamic Components, Content Projection, Reactive Forms, ViewChild, ContentChild. Understood Observables and various operators demonstration of Design Skills ability to create the component and module hierarchy for a moderately complex application, along with their interactions

Job Description
Expert JavaScript developer with exposure working in building products from scratch
Hands on experience working on TypeScript, ES5, ES6, HTML 5, CSS 3, JQuery and writing cross- browser compatible code
Proficient in implementing front-end of applications using Angular (JS and above) and / or ReactJS
Good knowledge of MVC, OOPS concepts, Web Development Concepts
Work experience in Node.JS will be major plus
Experience with the hybrid mobile app framework such as PhoneGap, Ionic, React Native would be an added plus
Experience with RESTful services
Experience in JavaScript build tools such as web-pack /gulp
Familiar with testing frameworks (such as Jasmine) and Test runner framework (such as Karma)
Thorough understanding of the responsibilities of the platform, database, API, caching layer,proxies, and other web services used in the system
Critical thinker and problem-solving skills
Team player
Good time-management skills
Great interpersonal and communication skills
Responsibilty
Your specific duties in this role will include:
Responsible for the front end/UI development for of the web-based and mobile-based application
Responsible for communicating with clients
Responsible for communicating with Designing Team and Team Manager
Responsible for Requirement Analysis
Responsible for mentoring junior front-end developers
MUST have Hands-on experience in ReactJS.
Experience with popular ReactJS workflows such as Flux or Redux.
Good to have knowledge on AngularJS / NodeJS / ExpressJS / VueJS,
Proficient understanding of web markup, including HTML5, CSS3, Bootstrap.
Basic understanding of server-side CSS pre-processing platforms, such as LESS and SCSS.
Familiarity with integrating RESTful APIs.
Proficient understanding of cross-browser compatibility issues and ways to work around them.
Proficient understanding of code versioning tools, such as Git, Github
Responsibilities
- Develop new user-facing features
- Ensure the technical feasibility of UI/UX designs
- Optimize application for maximum speed
Skills And Qualifications
- 2+ years of experience in ReactJS and Redux
- 1+ completed project of reasonable size using server-side rendering
- Knowledge of Preact is a plus
- Proficient understanding of web markup, including HTML5, CSS3
- Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of Git






