Frontend Developer

Description :

Job Title : React Native Developer

Experience : 3 - 5 years

Location : Bangalore

Company : Tradelab

About the Role :

We are looking for a skilled React Native Developer to join our dynamic team at Tradelab. The ideal candidate will have hands-on experience in building and deploying mobile applications using React Native and a strong understanding of modern JavaScript frameworks.

Key Responsibilities :

- Develop and maintain high-quality mobile applications using React Native.

- Collaborate with designers, product managers, and backend developers to deliver seamless user experiences.

- Write clean, maintainable, and efficient code following best practices.

- Optimize application performance and troubleshoot issues across iOS and Android platforms.

- Integrate APIs and third-party libraries as needed.

- Participate in code reviews and contribute to continuous improvement.

Required Skills & Qualifications :

- 3 - 5 years of professional experience in mobile app development.

- Strong proficiency in React Native, JavaScript (ES6+), and related technologies.

- Experience with Redux, React Navigation, and other state management tools.

- Familiarity with native build tools like Xcode, Android Studio, and Gradle.

- Understanding of RESTful APIs and asynchronous programming.

- Knowledge of mobile UI/UX standards and responsive design principles.

- Experience with version control systems (e.g., Git).

Nice to Have :

- Exposure to TypeScript.

- Experience with CI/CD pipelines for mobile apps.

- Knowledge of testing frameworks like Jest or Detox.

Why Join Us ?

- Work on cutting-edge trading technology solutions.

- Collaborative and innovative work environment.

- Opportunities for professional growth and learning.

👉 Start your AI interview now: https://lnkd.in/dGzErFMQ

• Writing tested, idiomatic, and documented JavaScript, HTML and CSS
• Coordinating the workflow between the graphic designer, the HTML coder, and yourself
• Cooperating with the back-end developer in the process of building the RESTful API
• Communicating with external web services
• Deep knowledge of React practices and commonly used modules based on extensive work experience
• Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
• Validating user actions on the client side and providing responsive feedback
• Proficiency with JavaScript and HTML5
• Creating custom, general use modules and components which extend the elements and modules of core React
• Delivering a complete front end application

Job Description

As a React Native Developer at Marmeto, you will play a critical role in building high-performance, cross-platform mobile applications for iOS and Android. You will collaborate with UX/UI designers, backend engineers, and product stakeholders to deliver intuitive and scalable mobile experiences. This role demands a developer with a deep understanding of mobile architecture, native modules, and modern development best practices.

Skills:

• Minimum 4 years of hands-on experience with React Native for Android and iOS development.
• Strong proficiency in JavaScript, TypeScript, and ES6+ features.
• Solid understanding of React Native architecture, including Hooks, Redux/MobX, and Context API.
• Experience with native module integration (Android/iOS) and third-party libraries.
• Proficient in using React Navigation, AsyncStorage, and mobile design patterns.
• Familiarity with debugging tools like Flipper, Chrome DevTools, and React Native Debugger.
• Experience in publishing apps to the App Store and Google Play.
• Good understanding of mobile performance optimization and memory management.
• Proficiency with version control systems like Git.

Roles & Responsibilities:

• Design, develop, and maintain cross-platform mobile applications using React Native.
• Collaborate with UI/UX designers to implement pixel-perfect interfaces and interactions.
• Work closely with backend teams to integrate APIs (REST/GraphQL) seamlessly.
• Write clean, modular, and scalable code following best practices and design patterns.
• Troubleshoot, debug, and optimize mobile apps for maximum performance.
• Stay updated on emerging trends in mobile development and bring innovation into the team.

Requirements

Mandatory

• Should have built solutions/applications end-to-end, not just contributed as part of a larger team.
• Should envision continuing in a deep mobile development role 5+ years down the line.
• Strong command over JavaScript, TypeScript, and React Native internals.
• Experience working with Redux, React Hooks, and lifecycle methods in mobile contexts.
• Deep understanding of platform-specific limitations, capabilities, and mobile UI/UX standards.

Essential

• Proficiency with Git and collaborative workflows (e.g., branching, PRs).
• Familiarity with CI/CD for mobile.
• Understanding of offline storage, background sync, and performance monitoring.

Good to Have

• Knowledge of native development (Swift/Kotlin) to bridge native modules when needed.
• Exposure to tools like Figma, Sketch, or Zeplin for design collaboration.
• Experience with e-commerce platforms like Shopify, BigCommerce, or similar.

Responsibilities:

• Develop high-quality, reusable, and efficient frontend components using React.js.
• Collaborate closely with UI/UX designers and backend developers to translate design concepts into functional interfaces.
• Participate in architectural discussions and contribute to the overall frontend design and development strategy.
• Optimize applications for maximum speed and scalability, ensuring exceptional performance across various devices and browsers.
• Identify and address performance bottlenecks, troubleshooting and debugging frontend-related issues as they arise.
• Stay current with industry trends, best practices, and emerging technologies, and recommend their incorporation into projects when applicable.
• Mentor and provide guidance to junior developers, fostering a culture of continuous learning and skill development.
• Collaborate with the QA team to ensure the delivery of high-quality software through rigorous testing and code reviews.
• Contribute to the documentation of frontend architecture, coding standards, and best practices.

Qualifications:

• Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience).
• Minimum of 3 years of professional experience as a React Developer.
• Strong proficiency in React.js and its core principles, with a solid understanding of state management (e.g., Redux) and component lifecycle.
• Proficiency in JavaScript, HTML5, and CSS3, Bootstrap, JQuery with an eye for design and user experience.
• Knowledge of version control systems, particularly Git.
• Ability to write clean, maintainable, and well-documented code.
• Strong problem-solving skills and the ability to work effectively in a collaborative team environment.
• Excellent communication and interpersonal skills.

Description of Skills/abilities:

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing those with well-known React.js workflows such as 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 a must.

You will be responsible for architecting and building the applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Responsibilities

1. Developing new user-facing features using React.js, React hooks.
2. Building reusable components and front-end libraries for future use.
3. Translating designs and wireframes into high quality code.
4. Optimizing components for maximum performance across a vast array of web-capable devices and all browsers.
5. Build pixel-perfect, buttery smooth UIs across all web browsers.
6. Diagnose, fix bugs, maintain code and write automated tests to ensure the product is of the highest quality.
7. Key understanding about Object Oriented Programming, Web Architecture, SDLC, Rest Framework.
8. Should have understanding in Hybrid App Ecosystem, Code Once - Deploy Anywhere thought process.
9. Responsible for development of new highly-responsive, web-based user interface.
10. Construct visualizations that are able to depict vast amounts of data.
11. Work with product team and graphic designers.
12. Develop a flexible and well-structured front-end architecture, along with the APIs to support it React.js developer requirements and qualifications.
13. Support the entire application lifecycle (concept, design, test, release and support). Produce fully functional web, mobile applications writing clean code.

Skills

1. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
2. Thorough understanding of React.js and its core principles.
3. Having Experience with popular React.js workflows such as Redux.
4. Familiarity with newer specifications of Typescript.
5. Having Experience with data structure libraries (e.g., Immutable.js).
6. Knowledge of isomorphic React is a plus.
7. Familiarity with RESTful APIs.
8. Knowledge of modern authorization mechanisms, such as JSON Web Token.
9. Familiarity with modern front-end build pipelines and tools.
10. Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
11. Familiarity with code versioning tools such as Git, SVN.
12. Knowledge of functional or object-oriented programming.
13. Ability to write well-documented, clean typescript code.
14. Rock solid at working with third-party dependencies and debugging dependency conflicts.
15. Understanding of REST APIs, the document request model, and offline storage.

Skill Set:

React, React Hooks, Redux, and Typescript with minimum of 6+ Years of relevant Experience.

Brief Overview:

Through your work at Vauld, you will have the opportunity to change money for the 21st century. We’re a leading cryptocurrency platform and are passionate about increasing economic freedom around the world.

We are looking for a Lead frontend engineer who has hands-on experience with Angular/React in the front end responsibilities. You'll be involved with bringing features from idea to completion and mentoring an incredibly talented group of peers.

If you are looking for a challenging work environment where you can grow and deepen your technical skills as a frontend engineer and architect, we’d love to chat with you!

Key Responsibilities:

• Working with designers, product managers to collaboratively own the front-end layer for Vauld’s web and mobile applications.
• Architect, develop, maintain, and improve our front-end libraries.

Requirements:

• You have 5 years or more of front end development experience with expertise in designing and implementing high-performance web applications.
• You are aware of Javascript design patterns and can architect a fairly complex UI without feeling the need for a framework.
• You are capable of writing high-quality code that conforms to the standards and best practices in a particular language/framework.
• You have experience building a product using a mainstream library or framework.
• Experience in any of React/AngularJs/Vue js
• You have a deep understanding of javascript coding methodologies and can rightly judge/implement solutions to complex problems.
• You love to own end to end responsibility, starting from defining the problem statement (either yourself or alongside your peers), development (PoC if needed), testing, releasing in staging & then production environment, and finally monitoring.

Preferred:

• Previous work experience in product-based (B2B/B2C) startups and fintech firms.
• Experience working with Visualisation/graphs/gaming
• Experience building for mobile platforms
• Understands the cryptocurrency landscape

Working at Vauld:

You will join a fun and intellectually stimulating work environment. If you’re excited by the idea of making a real impact and joining a team where we pride ourselves on being disruptive and ambitious, a career with Vauld is perfect for you.

Responsibilities:

• Working with the product team and designers to collaboratively build the products that pushes Rely to reach our next stage of growth.
• Tackle the challenges that occur from having your code running on different merchant websites.
• Ensure the technical feasibility of UI/UX designs.
• Optimise applications for maximum speed and scalability.
• Collaborate with other team members and stakeholders.
• Move fast.

Requirements:

• 3+ years of hands-on product experience in professional software development with front end web development and experience in building user interfaces
• At least one year experience with Angular.
• Experience writing good JavaScript code from scratch.
• Familiarity with web development cycles (e. g. package management, module bundling, unit, and integration testing, browser capabilities, etc. ).
• An eye for detail and empathy for the customer.
• Experience building for mobile platforms.
• Ability to write clean, semantic HTML and CSS, agonising along the way for pixel perfection.

• Experience working at a fast-growth startup.
• Experience upgrading angular.