
About the Role
We are looking for a highly skilled and experienced Senior React Native Developer to join our team and take the lead on developing our cross-platform mobile application. You’ll play a critical role in building, launching, and scaling a high-performance mobile app that runs seamlessly on both iOS and Android platforms from a single codebase.
If you’re passionate about mobile technologies, have a strong command of React Native, and are excited about creating a high-quality product from the ground up, we’d love to hear from you.
Responsibilities
- Lead the end-to-end development of a cross-platform mobile application using React Native.
- Collaborate with product managers, designers, and backend engineers to deliver high-quality user experiences.
- Build reusable components and front-end libraries for future use.
- Optimize app performance for speed and scalability across devices and OS versions.
- Ensure the app complies with design standards and platform-specific guidelines (Apple App Store & Google Play).
- Set up CI/CD pipelines for automated builds, testing, and deployment (e.g., using Fastlane, EAS, or similar).
- Integrate RESTful APIs and third-party services.
- Handle app store submissions and updates.
- Mentor junior developers and enforce best practices in mobile development.
Requirements
Must-Have:
- 5+ years of experience in mobile application development.
- 3+ years of hands-on experience with React Native.
- Strong understanding of JavaScript (ES6+), TypeScript, and React architecture.
- Deep knowledge of iOS and Android mobile app development lifecycle.
- Experience with mobile UI/UX best practices and performance optimization.
- Familiarity with native build tools (Xcode, Android Studio).
- Experience integrating REST APIs and handling network latency issues.
- Proficient with Git, GitHub/GitLab, and agile development practices.
- Experience with push notifications, in-app purchases, deep linking, and analytics SDKs.
Preferred:
- Experience with Expo or EAS for managed workflows.
- Familiarity with mobile CI/CD pipelines (Fastlane, Bitrise, etc.).
- Experience with native modules (Objective-C/Swift and Java/Kotlin) as needed.
- Knowledge of automated testing frameworks (Jest, Detox).
- Published apps in both the App Store and Google Play.
- Prior experience in startups or high-growth environments.
What We Offer
- Opportunity to lead and build a product from the ground up.
- Work with a dynamic and talented team in a fast-paced environment.
- Flexible working hours and remote-first culture.
- Competitive salary and equity options (if applicable).
- Learning and development budget.

About Insane Marketers
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A B.Tech/M.Tech in Computer Sc, an UI specialist should have 5-7 years of experience in UI development. We are specifically looking for a specialist who has:
- in depth understanding of Single Page Application Development.
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- proficiency in JavaScript Functional Programming techniques (JavaScript, Strong Understanding of JS Array functions, Ability to build Pure JS functions, Modular JS Development, Proficient in using Webpack bundling)
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Total working Experience
3 to 6 years
Job Location
Bangalore
Key accountabilities include:
- Must have 5+ years of experience in
- Secure web application development using Angular 7+
- Integrating the web application with REST APIs
- Strong logical problem-solving skill
- Must have strong knowledge in debugging the Angular application and REST APIs
- Must have strong knowledge in Data structure, Algorithms and Object-Oriented Programming
- Must have worked on IIS webs server and Angular
- Must have knowledge in data encryption and decryption algorithm using certificates & troubleshooting, SHA-256
- Good in web application debugging and troubleshooting.
- Good web application error log analysis
Skills
- Angular version 7+
- TypeScript
- JavaScript
- IIS / Tomcat / NGINX
- Data Structure
- Participate in the design of the solution based on business requirements gathered
- and analyzed by analysts
- Develop new features for mobile/web applications
- Build reusable code and libraries across platforms
- Optimize applications in terms of scalability and stability
- Use the best coding standards and practices, to assure the quality of the code
- Perform development testing
- Collaborate with other team members and stakeholders
CANDIDATES MUST HAVE
- 4+ years of experience in Frontend Development
- Angular 6 and Above
- REST API
- Typescript , HTML, CSS ,JavaScript
- React Native
- Having experience in both Mobile/Web development
REQUIREMENTS
- Bachelors in Engineering, Computer Science or in similar areas
- Minimum of 4+ years work experience in creating front-end (mobile/web)
- applications, using Angular 6+, Typescript, JavaScript and React Native
- Experience with HTML, CSS and Bootstrap.
- Experience with Agile (SCRUM) methodologies
- Experience with Unit Testing and TDD
- Experience with REST based APIs
- Knowledge of iOS or Android development is a plus
- Excellent capacity to work autonomously or integrated in a team
- Excellent problem-solving and analytical skills
- Proactivity and ability to adapt in a context in which priorities often change
- Developed sense of responsibility, oriented to customer solutions and associated
- improvements
- Fluent in English - written and spoken (mandatory)
Must have 2+ years of experience in Angular 7 or later, Typescript, HTML5, CSS3, Bootstrap 3+ and Bootstrap material design.
Working knowledge of integrating with RESTful APIs.
Expertise in designing reusable angular components, directives, and services.
Firm grasp of UI/UX principles, ability to convert UX designs into deliverables.
Proficient understanding of CSS pre-processing platforms, such as LESS and SASS
Up to date with the latest UI trends, techniques, and technologies
Must have fantastic attention to detail and good eye for aesthetics: layout, grid systems, color theory and typography.
Proficient understanding of mobile & web platforms and responsive design
Role: Design and Programming
Industry Type: IT-Software, Software Services
Functional Area: IT Software - Application Programming, Maintenance
Employment Type: Full Time
Education: UG : Any Graduate in Any Specialization
Key Skills:
UX/UI design, Angular7+, CSS, HTML5, JavaScript, TypeScript, Bootstrap, Responsive design.
Job Title: UI Developer- HTML / CSS / JavaScript
Department: Technology and Research
Location: Mohali, Punjab
Reports to: Technical Lead
Context
Sampana Digital (SDPL) (http://www.sampanadigital.com">www.sampanadigital.com) is a digital technology company that provides end-to-end product engineering and digital transformation services. Our engineering services includes web & mobile application development, user experience design, cloud, testing and infrastructure managed services to transform businesses digitally. We also enable enterprises with contextual and personalized two-way multi-channel mobile communications, including SMS, voice, email and PWA technology.
We believe in small teams of smart, committed, and diverse individuals coming together and form a breakthrough insight. We are a team of passionate professionals to craft an unbeatable culture and services.
Come and join us!
Role Description
We are looking for a creative and skilled UI Developer to develop websites and applications with functionality and aesthetics in mind. The UI Developer will work with Back-End Developers and Front End Developers to ensure that the website is optimized for several devices and presented in an attractive way. As a UI Developer one must have excellent knowledge of HTML, CSS and JavaScript.
Job Responsibilities
- Writes high quality code & unit tests, builds, tests as per agreed timelines
- Participates in technical design and provides estimation
- Owns one or more small to medium features
- Becomes a go-to person in at least one area
- Communicates clearly and gets clarification upfront to minimise rework.
Skills
- Exhibit strong problem solving skills, helps other developers and demonstrates teamwork
- Understands detailed requirements and demonstrates excellent problem solving skills
- Deep understanding of software engineering practices, Design Patterns.
- Hands-on experience in UI framework
- Understanding of web markup, including HTML5, CSS3 and cross-browser compatibility issues.
- Proficiency in converting visual design (created in Adobe Photoshop, Illustrator,etc) into HTML CSS.
- Strong sense of ownership, drive and ability to deliver results
- Strong communication skills
- Must have experience in bootstrap/ responsive design
- Experienced in web performance testing tools
We are looking for a smart, passionate hands-on engineer to join our team. In this role, you will be responsible to drive innovation in full-stack development of complex web applications, while improving performance, scalability, and maintainability.
You should:
- Have thorough knowledge of JavaScript, AJAX, jQuery, HTML5, CSS3, Bootstrap.
- Be familiar with different PHP CMS (WordPress, Drupal, Joomla) and frameworks.
- Be able to unit test the code components; Document the code and the functionality.
- Be a good and quick learner, and open to learn new technologies in JavaScript Frameworks.
- Good to have experience in MySQL/ MariaDB databases.
- Good to have experience working with outside data sources and API’s.
- Have Good Communication skills.
Things you’ll do:
- Deliver stable and scalable solutions in HTML, and JavaScript
- Update existing components to support changing needs.
- Improve the internal team culture of high-quality software development.
- Cooperate with team members on maintaining existing solutions beyond means of code development.
- Work on bug fixing and improving application performance.
What we offer:
- Various challenges ranging from scratch design/architecture to end-user experienced performance.
- Flexible working process, openness to suggestions and a fresh point of view.
- Room for self-improvement and knowledge exchange within the team.
- Close cooperation with Customer Experience Team providing actual feedback on end-user experience.
- Transparent cooperation with business stakeholders.
Responsibilities:
Understand business and functional requirements to be developed.
Develop UI screens and Database interactions
Help applications teams to follow coding best practices, including our refence application scaffolding, build system and test coverage . Also the job involves writing React components for the application team if said component is not yet ready.
Framework development, Libraries Development , writing react components for the application.
Will be required to suggest improvements in the existing framework, suggest and implement best practices, be knowledgeable about the updated trends in UI development and ReactJS in particular.
Technical Skills:
Strong JavaScript experience using multiple frameworks and libraries across different project / applications.
Thorough understanding of React.js core principles along with React router , Redux workflows and data structures.
Thorough understanding of ES6, ES7, ES8 / newer specifications of ECMAScript
Strong knowledge in vanilla JavaScript, including DOM manipulation.
Knowledge of Isomorphic React.
Expertise with Web pack, gulp and other front end build tools (npm)
- Proficient in current React Versions and understanding of upcoming version(s) like 1.6.3.
Must have experience with Git.
Strong knowledge of CSS concepts and experience with pre-processors.
Understand Business requirement work with UX , business analyst teams to plan and translate mockups and wireframes to optimized , reusable , quality code.
Strong knowledge of code optimization techniques for maximum performance and cross browser compatibility along with authorization mechanism in multiple applications using different front-end frameworks.
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.
React.js Developer Requirements:
- Bachelor’s degree in Computer Science, Information Technology, or a similar field.
- 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, Enzyme, Redux, and Flux.
- Experience with user interface design.
- Knowledge of performance testing frameworks including Mocha and Jest.
- Experience with browser-based debugging and performance testing software.
- Excellent troubleshooting skills.
- Good project management skills.







