
React Native Developer:
Exp-5 to 8 Years Location -Bangalore
- 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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Position Title:
SDE Intern – Mobile Application
Location: Remote
Duration: 6 months (with potential for full-time conversion based on performance)
About PGAGI:
At PGAGI, we believe in a future where AI and human intelligence coexist in harmony, creating a world that is smarter, faster, and better. We are not just building AI; we are shaping a future where AI is a fundamental and positive force for businesses, societies, and the planet.
Key Responsibilities:
• Develop and maintain cross-platform mobile applications using Flutter or React Native.
• Collaborate with UI/UX designers and backend developers to deliver seamless app experiences.
• Integrate RESTful APIs and work with JSON data parsing, asynchronous programming, and real-time data handling.
• Participate in regular code reviews and follow best practices in mobile development.
• Debug and troubleshoot issues, optimize app performance, and write unit tests.
• Learn and apply Git-based version control, task tracking, and agile workflows.
⸻Required Skills & Knowledge :Programming & Frameworks:
• Proficiency in Dart (Flutter) or JavaScript/TypeScript (React Native).
• Good understanding of OOP and functional programming principles.
• Experience with:
• Flutter: Widgets, navigation, state management (Provider, Bloc, etc.)
• OR React Native: Components, Redux, Context AP
IComputer Science Fundamentals:
• Basic understanding of data structures (arrays, stacks, queues, hash tables).
• Knowledge of basic algorithms (sorting, searching).
• Awareness of time complexity and code efficiency.
• Solid grasp of programming concepts like variables, loops, conditionals.
Mobile Development Concepts:
• Experience in building and deploying cross-platform mobile apps.
• Understanding of responsive design, Material Design, and iOS Human Interface Guidelines.
• Familiarity with asynchronous operations (async/await, Promises) and REST API integrations.
Networking & APIs:
• Basic knowledge of HTTP/HTTPS, request methods, and status codes.
• Hands-on experience using Postman or similar tools for API testing.
• Understanding of API security, including authentication and SSL basics.
Tools & Technologies:
• Familiarity with Git (GitHub, GitLab, Bitbucket).
• Experience using IDEs like Android Studio, VS Code, or Xcode.
• Awareness of unit testing frameworks (e.g., Flutter test, Jest).
• Understanding of build tools such as Gradle or Metro bundler.⸻
Preferred Qualifications:
• Pursuing or recently completed a B.E./B.Tech in Computer Science, IT, or related fields.
• Portfolio of previous mobile app projects (GitHub/Play Store link preferred).
• Willingness to learn, experiment, and work in a collaborative environment.
⸻What We Offer:
• Opportunity to work on real-world projects with direct mentorship from industry experts.
• Certificate of Internship and potential PPO (Pre-Placement Offer) based on performance.
• Exposure to modern product development practices and cross-functional team collaboration.
Avegen is a digital healthcare company empowering individuals to take control of their health and supporting healthcare professionals in delivering life-changing care. Avegen’s core product, HealthMachine®, is a cloud-hosted, next-generation digital healthcare engine for pioneers in digital healthcare, including healthcare providers and pharmaceutical companies, to deploy high-quality robust digital care solutions efficiently and effectively. We are ISO27001, ISO13485, and Cyber Essentials certified; and compliant with the NHS Data Protection Toolkit and GDPR.
Job Summary:
Senior Software Engineer will be responsible for developing, designing, and maintaining the core framework of mobile applications for our platform. This includes tasks such as creating and implementing new features, troubleshooting and debugging any issues, optimizing the performance of the app, collaborating with cross-functional teams, and staying current with the latest advancements in React Native and mobile app development. We are looking for exceptional candidates who have an in-depth understanding of React, JavaScript, and TypeScript, can create pixel-perfect UI, and are obsessed with creating the best experiences for end users.
Your responsibilities include:
- Architect and build performant mobile applications on both iOS and Android platforms using React Native.
- Work with managers to provide technical consultation and assist in defining the scope and sizing of work.
- Maintain compliance with standards such as ISO 27001, ISO 13485, and Cyber Essentials that Avegen adheres to.
- Lead configuration of our platform HealthMachine™ in line with functional specifications and development of platform modules with a focus on quality and performance.
- Write well-documented, clean Javascript/TypeScript code to build reusable components in the platform.
- Maintain code, write automated tests, and assist DevOps in CI/CD to ensure the product is of the highest quality.
- Lead by example in best practices for software design and quality. You will stay current with tools and technologies to seek out the best needed for the job.
- Train team members on software design principles and emerging technologies by taking regular engineering workshops.
Requirements:
- Hands-on experience working in a product company developing consumer-facing mobile apps that are deployed and currently in use in production. He/she must have at least 3 mobile apps live in the Apple App Store/Google Play Store.
- Proven ability to mentor junior engineers to realize a delivery goal.
- Solid attention to detail, problem-solving, and analytical skills & excellent troubleshooting skills.
- In-depth understanding of React and its ecosystem with the latest features.
- Experience in writing modular, reusable custom JavaScript/TypeScript modules that scale well for high-volume applications.
- Strong familiarity with native development tools such as Xcode and Android Studio.
- A positive, “can do” attitude who isn’t afraid to lead the complex React Native implementations.
- Experience in building mobile apps with intensive server communication (REST APIs, GraphQL, WebSockets, etc.).
- Self-starter, able to work in a fast-paced, deadline-driven environment with multiple priorities.
- Excellent command of version control systems like Git.
- Working in Agile/SCRUM methodology, understanding of the application life cycle, and experience working on project management tools like Atlassian JIRA.
- Good command of the Unix operating system and understanding of cloud computing platforms like AWS, GCP, Azure, etc.
- Hands-on experience in database technologies including RDBMS and NoSQL and a firm grasp of data models and ER diagrams.
- Open source contributions and experience developing your own React Native wrappers for native functionality is a plus.
Qualification:
BE/BTech/MS in Information Technology, Computer Science, or a related discipline.
About Dice:
The Dice platform, one of the most advanced SaaS fintech organizations, helps businesses convert their spending from many fragmented applications, prepaid cards, offline reimbursement/invoice management, procurement, and payment systems to a single spend platform. There will be no more cash, cards, refunds, or offline invoicing since our entire goal is to provide businesses more knowledge and control over how they spend their money, resulting in significant cost savings and profitability. We are a hyper growth startup collaborating with premium Indian enterprises, startups, and industry leaders across disciplines.
Perks in store for you when you join the team:
● You'll be surrounded by passionate team members.
● Your work will have a visible impact.
● You will be working on interesting technical challenges in a fast-paced environment.
Responsibilities:
● Develop UI components using JavaScript following react.js workflows, Building reusable components and front-end libraries for future use.
● Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
● Bug resolution for all the bugs found in Functional, System & User testing to meet exit criteria of the phase.
● Developing and implementing highly responsive user interface components using react concepts.
● Developing and implementing front-end architecture to support user interface concepts.
● Monitoring and improving front-end performance.
● Documenting application changes and developing updates.
Must have skills:
● React Js
● Javascript
● Html
● CSS
● ES6
Secondary Skills:
● Knowledge of Firebase
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Ability to understand business requirements and translate them into technical requirements
- You will ensure that these components and the overall application are robust and easy to maintain.
- Have a good understanding of design and user experience principles.
- Open-minded, flexible, and willing to adapt to changing situations
- Ability to work independently as well as on a team and learn from colleagues
- High adaptability in a dynamic start-up environment
- Ensuring technologies are used efficiently, profitably, and securely. Evaluating and implementing new systems and infrastructure.
- Excellent troubleshooting, analytical and problem-solving abilities with a tenacious commitment to finding the root cause of issues.
Qualifications :
- B. Tech/B.E/MTech or a related technical discipline from reputed universities
Skills Required :
- Minimum 3+ years experience in Front-End Development using ReactJS Framework
- Experience in consuming Restful Web services
- Strong hands-on experience on HTML5, CSS3, JavaScript, Bootstrap & CSS preprocessors
- Should be adept at converting PSD to HTML
- Should have knowledge of UI/UX
- Excellent development skills on best practices for cross-browser compatibility and Responsive UI.
- Good with agile development practices such as continuous integration and deployment
- Knowledge of Version Control System
- Write and maintain technical documentation
- Knowledge of MVVM Architecture
- Cares deeply about writing Quality, Testable & Modular code
- Firm grasp of the JavaScript / Typescript language and its nuances,
- including ES6+ syntax
- Knowledge of Object oriented programming
- Ability to write well-documented, clean Javascript code
- Rock solid at working with third-party dependencies and debugging dependency conflicts
- Understanding of REST APIs, the document request model, and offline storage
React.js Developer Responsibilities:
- Meeting with the development team to discuss user interface ideas and applications.
- Reviewing application requirements and interface designs.
- Identifying web-based user interactions.
- Developing and implementing highly responsive user interface components using react concepts.
- Writing application interface codes using JavaScript following react.js workflows.
- Troubleshooting interface software and debugging application codes.
- Developing and implementing front-end architecture to support user interface concepts.
- Monitoring and improving front-end performance.
- Documenting application changes and developing updates.
SENIOR ENGINEER - FRONT END
Experience in years: 3+. Less than 7.
Type: Individual contributor with good hands on proficiency.
Specifics:
- Writing HTML, CSS, and JavaScript. Being up on latest practices is a must, e.g., HTML5, CSS3, and ECMAScript 6 (minimum)
- Familiarity with a relevant and globally supported framework— both front-end and back-end, if necessary — React & React Native.
- Ideally, familiarity with CSS preprocessors, bundlers, and associated languages/syntaxes/libraries - Sass, Less, webpack
- Experience implementing testing platforms and unit tests
- Integrating front-end UI with the constructed API, using REST, GraphQL api
Soft skills:
- Appreciation for clean and well documented code
What you will do at Tradyl
- Partner with a highly skilled external consultancy and lead the effort of building a new modern front end to our website.
- We use a no code platform for rapid development in this phase of our Journey. You will develop features on this platform. This might involve integration with back end APIs via REST.
- Do short experiments: Example, Evaluate a backend headless commerce software as a potential candidate for our backend tech stack.
React Native / React JS Developer
We're looking for a React Native Developer to join our growing frontend team. As a React Developer, you will help develop the next generation of our apps using tools such as React.js, Redux, Enzyme, and Webpack. You should be familiar with React and its ecosystem.
Responsibilities
- Actively aid the consulting team in different phases of the project including problem definition, effort estimation, diagnosis, solution generation, design develop and deployment.,
- Contribute to unit-level and organizational initiatives.,
- Adherence to the organizational guidelines and processes
- Design, build and maintain efficient, reusable, and reliable codes by setting expectations and features priorities throughout the development life cycle
Requirement
- 2+ years' experience working with a Javascript framework, React Native, ReactJS, Typescript, Node JS
- In-depth understanding of Javascript, the DOM, and relevant concepts
- Must have experience in Web services, Web API, REST services, HTML, CSS3
- Proficiency with browser-based debugging and performance testing
- Identify bottlenecks and bugs, and recommend system solutions by comparing advantages and disadvantages of custom development.
- Contributing to team meetings, troubleshooting development, and production problems across multiple environments and operating platforms.
- Develop and manage apps on React Native platform
- Analyse, code, debug, test, document & deploy applications
- Provide technical leadership and upgrade architecture design and solution to accommodate future expansion
- Ensure quality control processes are successfully employed.
- Experience in React-Native based app development is a must
- Experience in Mobile app development (Cross platform apps)
- Must have published at least 1 major React-Native app
- Knowledge of service workers implementation for Progressive Web Application (PWA)
- Demonstrated ability with HTML5, CSS3, Bootstrap, jQuery, and other JS frameworks React JS
- Development experience of UI (layouts, animations, etc.)
- Good understanding of Design and Architecture Patterns
- Understanding of iOS and Android Code signing process and deployment model
- Understanding of Unit Testing, Debugging Methodology used in React Native Apps
- Understanding on integration of native modules with React Native code
- Experience with caching and scaling techniques










