
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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What we hope you will bring to the role:
· Bachelor or MS degrees in Computer Science or Engineering, or equivalent experience from a Tier-1 College ONLY
· Minimum 6+ years of front end design and development experience
· Experience with large-scale website architecture
· Strong experience with Angular Typescript framework and RXJS(Angular 13+), CLI and
state management
· Some experience with AngularJS
· Strong experience wri:ng unit tests in Karma framework
· Strong experience with HTML5, SCSS(Tailwind, Bootstrap 3 and 4, SASS), Angular
Material and JavaScript(ES5/ES6)
· Some experience migra:ng exis:ng AngularJS applica:ons to the latest Angular
Framework, while preserving accessibility compliance and mobile responsiveness
· Comfortable reviewing code(sugges:ng best prac:ces)
· Strong experience with mobile first and responsive web design
We're looking for an experienced mid-level Front End Engineer who’s passionate about building mobile and web products. As a Front End Engineer, you will be trusted to architect efficient, scalable, beautiful design systems for our web applications
Company's Name:- WeAssemble
Website:- www.weassemble.team
Location:- Prabhadevi, 2min walkable from Prabhadevi Railway Station
Designation:- React.js Developer
Working Days - Monday - Friday
All Sat & Sun Off
Office timing - 9:00 - 6:00
Responsibilities
- Build interactive UI components with ReactJs in various applications.
- Collaborating regularly with backend/API engineers in designing, specifying and implementing services to decouple functionality
- Find opportunities to improve current systems or patterns through auditing or benchmarking
- 'Own' and take lead in newly developed features for current or next generation platforms
- Maintain our front end test coverage by running your own tests and working with our QA team on automated testing
- Lend a hand to help other engineers through pair programming, mentoring, and supporting your teammates
Requirements
- Experience: 5 years
- Good knowledge of ReactJs
- In depth understanding of JavaScript
- Understanding of REST APIs
- Experience with Sass / Scss / Less / CSS
- Have in-depth knowledge of browsers, cross-browser compatibility issues, and how the DOM works
- Bring experience in the day-to-day practices of continuous delivery, automated testing, and agile development
- Comprehensively understand Web Application fundamentals and the libraries/tool chains used to deliver them such as Webpack, Babel, testing with Mocha/Chai or Jest, git and other CI tools
Tools
- Git
- Jira
Good to have
- Experience with Mocha, Chai or Jest
- Experience with Sprint
- Familiarity and experience with Container architecture - Docker/Jenkins and build scripts
Meghal Majithia
HR Recruiter - WeAssemble (Vimontera Consultancy LLP)
We’re Hiring – Frontend Developer (3.js)
Location: Chennai
Experience: 0–1 Years
At Hexr Factory, we are always exploring the possibilities to bridge the physical and digital worlds. We design and build Metaverse and Digital Twin technologies for the future of industry and entertainment.
We are looking for a Frontend Developer (3.js) to join our team in Chennai. The role involves designing, building, and configuring applications to meet business and application requirements using React Three Fiber, JavaScript, HTML5, CSS, TypeScript, and ES6.
The ideal candidate will have experience working with Three.js, WebGL, and Canvas/CSS animations, along with knowledge of browser-based 3D rendering and 3D graphics. You should be comfortable collaborating with the design team to implement a clean, elegant user experience and be capable of building scalable, high-performance web applications.
Qualifications:
Bachelor’s or Master’s degree in Mathematics, Commerce, Computer Science, Electronics, Electrical, or Mechanical Engineering with a consistent high academic track record.
0–1 years of relevant experience.
Skills Required:
Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
Experience using TypeScript to develop UI components with React and Angular.
Knowledge of 3D technologies such as WebGL and Three.js.
Basic understanding of 3D mathematics.
Familiarity with REST/JSON and Git.
Passion for new technology and innovation.
Ability to write clean, maintainable code.
Excellent verbal and written communication skills.
If you are passionate about technology, eager to learn, and excited about working on 3D applications and digital innovation, we’d love to hear from you.
Qualifications:
Primary Skill Set:
5+ years for experience in developing highly scalable, reliable, secure web applications
Experience with React.js, Node.js, Redux, flux, Javascript (preferably TypeScript).
Atleast 1 years of experience in product or SaaS development.
Excellent Team management, communication skills, both verbal and written
Strong CS fundamentals like data structures and especially the asynchronous challenges that are faced by JavaScript developers regularily.
Preferable Skillset:
One year of experience using AWS services, such as Lambda, SES, SQS, EC2, RDS, ELB’s and have knowledge of VPC’s (AWS and/or RightScale knowledge a plus.
Proficient with the Webpack,Jest, Eslint, Jenkins, Docker, Enzyme.
Experience designing data persistence and caching concepts using both SQL and NoSQL DBMS (MySQL, DynamoDB, Redis, etc.) and client side storage
Profile and improve frontend performance
• Developing the latest user-facing features using React.js
• Designing a modern highly responsive web-based user interface
• Building reusable components and front-end libraries for future use
• Translating designs and wireframes into high-quality code
• Learn and understand user interactions
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers
• Coordinating with various teams working on distinct layers
• As a developer, you will be involved from conception to completion with projects that are technologically sound and aesthetically impressive.
Technical skills:
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Prior experience with popular React.js workflows (such as Flux or Redux)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Familiarity with HTML / CSS
• GIT experience is a plus
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Ability to understand business requirements and translate them into technical requirements
Non-technical skills:
• Team player
• Excellent time-management skills
• Great interpersonal and communication skills
- Collaborate with engineering, design and product teams to build and ship new features.
- Seeing through a project from conception to finished product using Agile methodologies.
- Maintain and improve web applications. Optimize applications for maximum speed
- Design mobile-based features
- Self-contribution & able to manage and execute work through team members.
- Developing features to enhance the user experience.
- Create quality mockups and prototypes
- Translate application storyboards and use cases into functional applications.
- Create proof of concepts to demonstrate feasibility of proposed solution
- Continuously discover, evaluate and learn new technologies to stay at the forefront of technology innovation
- Write good quality, modular, reusable, well documented, unit-tested code.
About Company: Spica Systems (https://spicasys.com )
Spica Systems is a Silicon Valley based start-up, established in 2019 and are recognized as experts in building products and providing R& DandSoftware Development services in wide range of leading-edge technologies such as LTE, 5G, Cloud Services (Public -AWS, AZURE, GCP, Private -Openstack) and Kubernetes. Ithasa highly scalable and secured 5G Packet Core Network, orchestrated by ML powered Kubernetes platform, which can be deployed in various multi cloud modealong with a test tool. Headquartered in San Jose, California, we have our R& D centre in Sector V, Salt Lake Kolkata.
- Looking for a Software developer who will work on the product's Web UI side
- Hands on and working experience with React JS
- Experience in WebUI using Javascript technology.
- Experience: 2-4 years of React development in a team environment
- In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
- Knowledge of REACT tools including React.js, Webpack, Redux.
- Experience with user interface design. Knowledge of performance testing frameworks including Mocha and Jest.
- Experience with browser-based debugging and performance testing software.
Education: Bachelors/Masters in Computer Science, IT or Mathematics or Engineering
Traits: Quick learner, open minded, willing to learn
- Knowledge in React Native is a must.
- Should have 1-2 year prior experience in developing App in Android and IOS
- Should have deployed at least one app in play store and app store having more than 500+ download or having technical competency in similar level
- Should have eagerness to learn & grow in a fast-paced start-up & its dynamic environment
- Willing to go beyond and shows high performance
Job Description:
- Taking care of entire mobile app development (both android and IOS).
- Build pixel-perfect, responsive UIs across both mobile platforms
- Leverage native APIs for deep integrations with both platforms
- Diagnose and fix bugs and performance bottlenecks for performance that feels native
- Proficient in Object Oriented Programming
About our organization background: http://sportsit.net/" target="_blank">http://sportsit.net/
SportsIT A London headquartered global technology firm specializing in working with technology firms and IT organizations in the emerging technologies such as Web 2.0, SaaS, Cloud, Open-source, BI/DW, Mobility, Automation, DevOps and Big Data.
We work only on the Sports, Games, Betting and Gambling industry.
Job Description: React.JS Developer role
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.










