
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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Job Title : Lead Web Developer / Frontend Engineer
Experience Required : 10+ Years
Location : Bangalore (Hybrid – 3 Days Work From Office)
Work Timings : 11:00 AM to 8:00 PM IST
Notice Period : Immediate or Up to 30 Days (Preferred)
Work Mode : Hybrid
Interview Mode : Face-to-Face mandatory (for Round 2)
Role Overview :
We are hiring a Lead Frontend Engineer with 10+ Years of experience to drive the development of scalable, modern, and high-performance web applications.
This is a hands-on technical leadership role focused on React.js, micro-frontends, and Backend for Frontend (BFF) architecture, requiring both coding expertise and team leadership skills.
Mandatory Skills :
React.js, JavaScript/TypeScript, HTML, CSS, micro-frontend architecture, Backend for Frontend (BFF), Webpack, Jenkins (CI/CD), GCP, RDBMS/SQL, Git, and team leadership.
Core Responsibilities :
- Design and develop cloud-based web applications using React.js, HTML, CSS.
- Collaborate with UX/UI designers and backend engineers to implement seamless user experiences.
- Lead and mentor a team of frontend developers.
- Write clean, well-documented, scalable code using modern JavaScript/TypeScript practices.
- Implement CI/CD pipelines using Jenkins, deploy applications to CDNs.
- Integrate with GCP services, optimize front-end performance.
- Stay updated with modern frontend technologies and design patterns.
- Use Git for version control and collaborative workflows.
- Implement JavaScript libraries for web analytics and performance monitoring.
Key Requirements :
- 10+ Years of experience as a frontend/web developer.
- Strong proficiency in React.js, JavaScript/TypeScript, HTML, CSS.
- Experience with micro-frontend architecture and Backend for Frontend (BFF) patterns.
- Proficiency in frontend design frameworks and libraries (jQuery, Node.js).
- Strong understanding of build tools like Webpack, CI/CD using Jenkins.
- Experience with GCP and deploying to CDNs.
- Solid experience in RDBMS, SQL.
- Familiarity with Git and agile development practices.
- Excellent debugging, problem-solving, and communication skills.
- Bachelor’s/Master’s in Computer Science or a related field.
Nice to Have :
- Experience with Node.js.
- Previous experience working with web analytics frameworks.
- Exposure to JavaScript observability tools.
Interview Process :
1. Round 1 : Online Technical Interview (via Geektrust – 1 Hour)
2. Round 2 : Face-to-Face Interview with the Indian team in Bangalore (3 Hours – Mandatory)
3. Round 3 : Online Interview with CEO (30 Minutes)
Important Notes :
- Face-to-face interview in Bangalore is mandatory for Round 2.
- Preference given to candidates currently in Bangalore or willing to travel for interviews.
- Remote applicants who cannot attend the in-person round will not be considered.
● Work experience as a front end developer
● Good Understanding of Angular/React and Javascript
● Experience working with SQL & NoSQL Databases
● Hands on experience with front-end languages and technologies, such as JavaScript,
HTML5, CSS3, etc.
● Solid understanding of object-oriented development and design patterns.
● Experience in Version Control Systems like GIT, Bitbucket.
Ideal Candidates will:
● Possess Strong sense of ownership
● Have an ability to work in high energy teams and drive results
● Have Good communication and documentation skills
● Enjoy sharing knowledge and eager to keep developing themselves
Job Description:
We are looking for a good JavaScript developer 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 product is 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 (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
- 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)
Job Title: Frontend Developer (React.js)
Location: Bangalore
Job Description:
Company is looking for a skilled Frontend Developer with experience in React.js to join our team at Timely.ai. In this role, you will be responsible for building and maintaining the user-facing side of our web applications. You will work closely with our designers and back-end developers to deliver high-quality, responsive, and interactive web experiences to our users.
Key Responsibilities:
- Develop new user-facing features using React.js
- Build reusable components and front-end libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize applications for maximum speed and scalability
- Collaborate with other team members to design and develop new features
- Stay up-to-date with the latest advancements in front-end technologies and frameworks
Qualifications:
- Strong proficiency in React.js, HTML, CSS, and JavaScript
- Experience with Redux or other state management libraries
- Experience with webpack and other build tools
- Experience with unit testing and end-to-end testing
- Strong understanding of web development principles and best practices
- Strong problem-solving and debugging skills
- Proven ability to work in a fast-paced, Agile development environment
- Strong communication and teamwork skills
- Bachelor's degree in Computer Science or related field or equivalent experience
We offer a competitive salary, benefits package, and an opportunity to work on cutting-edge technologies with a dynamic team. If you are passionate about building great user experiences and want to make a difference in the world, we want to hear from you!
Please apply with your resume and a portfolio of your work
We are looking for a front-end developer who will be responsible for developing and designing front-end web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features, among other duties.
Roles & Responsibilities:
● Develop and implement responsive and intuitive user interfaces for web applications using HTML, CSS, and JavaScript frameworks (e.g., React, Angular, Vue.js, Node.js)."
● Designing user interactions on web pages.
● Developing SDKs.
● Ensuring cross-platform optimization for mobile phones.
● Collaborate with UI/UX designers, back-end developers, and other stakeholders to transform design concepts into functional, feature-rich web interfaces
● Designing and developing APIs.
● Meeting both technical and consumer needs.
● Collaborate in an Agile development environment, participating in sprint planning, stand-ups, and other team meetings.
Qualifications & Skills:
● 5-9 years of experience in the relevant field.
● Proficiency with fundamental front-end languages such as HTML, CSS, and
JavaScript/Typescript
● Proficiency with JavaScript frameworks such as React-JS.
● Familiarity with database technology such as MySQL or Postgres.
● Knowledge of GitHUb, Docker,Project Versioning,SCSS/SASS style framework will be an added advantage
● Excellent verbal communication skills.
● Good problem-solving skills..
● Attention to details.
Why should you join:
● You prefer working in small groups. We're a start-up, and we think smaller teams have a lot of power. There is less management overhead and more discussion about the important work
● You care about the end-user and developer experience, as well as how the backend affects them. Rather than taking the path of least resistance, work backwards from what the user experience requires
● We offer competitive pay (above market average). We've received adequate funding from a number of well-known fintech investors, and we're planning to stay in the game for the long haul. It will be an exciting and interesting adventure ahead, and we are looking forward to working with some fantastic teammates!
What's on offer:
● Best in class compensation package
● Stock options for long term wealth creation
● Group health insurance that covers your family
● A vibrant, open and fun work culture

Here’s what we are looking for:
- You must know the in and out of JavaScript to design optimized and modular components that need to be used across our platform.
- You must be well versed in the React/Redux framework.
- Strong understanding of semantic HTML/HTML5, CSS/CSS3
- Experience in setting up the full UI workflow layer right from Development, Testing, Building, and Deployment.
- Good understanding of MVC architecture.
Good to have:
- Experience in frameworks like Bootstrap, Foundation, and CSS pre-processors like SASS and LESS.
- Exposure to page speed improvement techniques.
- Exposure of building responsive websites at scale.
- Prior work experience in Angular, Backbone, React
- Reach at 91 084 76999
Fieldproxy is a no-code workflow tool that lets anyone with a field team quickly build applications to efficiently manage their field operations. We are a VC-funded startup and are backed by some of the leading venture funds & angels in India & US.
We are looking for React developer, who is quick to grasp and execute the requirement. Fieldproxy is the first of its kind product in the space - and we are looking for out of the box thinkers with original thought process and lateral thinking. The code you ship will be used by thousands of users every day helping them get their work done. You will join a young, dynamic and fast-paced environment, work with cross-functional teams to design, build, and roll out products that deliver the company's vision and strategy.
- Developing and testing flexible, scalable web application.
- Collaborate with designers and backend developers to produce optimum output.
- At least 2 years of excellent experience in creating Frontend applications with React js.
- Should Have experiences in state management tools like Redux, context Api and React hooks.
- Solid understanding of functional vs Object-oriented programming in react.
- Excellent responsive design skills and should have experience with CSS preprocessors like Sass or Styled-Components.
- Experiences of working with the back-end developer in the process of building the RESTful API.
- Proficiency with Data visualization and charting tools/frameworks like HighCharts and D3.JS is a huge plus!
- Experience with any one of the testing tools like Jest, react-testing-library or enzyme.
- Able to improve the lighthouse performance of web apps and SEO.
- Proficient understanding of code versioning tools: Git.
- Understanding of Javascript bundlers like Webpack, parcel or rollup.
- Experience in Next.js or Gatsby and Typescript is an added advantage. Skills:- Web and React.js
Requirements:
- Previous experience working as a React.js Developer.
- In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
- Knowledge of REACT tools including React.js, Webpack and Redux is a must.
- Experience with REST APIs
- Proficient understanding of code versioning tools
- Ability to translate designs into code
- Experience with browser-based debugging and performance testing software.
- Excellent troubleshooting skills.
Preferred Experience:
- 2-3 years of industry experience in software development.
- Experience working with medical data
- Experience and familiarity working in development teams and team-based development practices including scrum/agile, code review, etc.
- Knowledge and experience working with NoSQL databases such as MongoDB, CouchDB, Raven DB, etc.
- Knowledge of RDBMS concepts and experience with Microsoft SQL Server, MySQL, etc.
- Knowledge and experience working with Node.js and related frameworks such as Express.js.
- Knowledge and experience working with web application frameworks such as Angular, AngularJS, or React and related frameworks such as Ionic.
- Familiarity with FHIR APIs and experience working with REST APIs.
- Experience working on full-stack projects.
- Familiarity with CI/CD pipelines
-
Desired skills:
- Bachelor’s degree or equivalent combination of education and experience in Computer Science.
- Ability to establish priorities, goals/objectives and timelines.
- Possess strong planning and time management skills.
- Demonstrated ability to delegate and oversee assignments to ensure successful and timely completion as well as to obtain the cooperation of others within and outside the unit. Works in a collaborative manner to achieve results.
- Ability to effectively present technical topics to internal groups with potentially varied levels of technical sophistication. Strong communicator with excellent ability to work in a team environment.









