Senior Frontend Developer

Job Description:

We are looking for a skilled React Native Developer to design, develop, and maintain high-performance cross-platform mobile applications for Android and iOS.

The ideal candidate must have strong command over React Native, TypeScript/JavaScript, and working knowledge of Kotlin (Android) or Swift (iOS) to build and integrate native modules when needed.

You will work closely with backend, design, and product teams to deliver seamless, fast, and stable mobile experiences for the ZestFindz ecosystem.

Key Responsibilities:

• Develop and maintain cross-platform mobile applications using React Native.
• Collaborate with design and product teams to deliver pixel-perfect, responsive UIs.
• Integrate REST APIs / GraphQL and handle authentication, caching, and error states efficiently.
• Implement and manage app state using Redux.
• Optimize app performance, handle animations, memory leaks, and rendering issues.
• Manage offline storage using SQLite / AsyncStorage / MMKV.
• Configure and manage Firebase services - Auth, Firestore, Push Notifications, Analytics.
• Handle deep linking, in-app navigation, and app lifecycle events.
• Deploy apps to Google Play Store and Apple App Store (with signing, provisioning, versioning).
• Work with DevOps to integrate apps into CI/CD pipelines (Fastlane / GitHub Actions / Codemagic).
• Write clean, modular, reusable code with proper documentation and testing.
• Debug, profile, and optimize performance for low-end devices and weak networks.
• Ensure security best practices - secure token storage, environment management, and data encryption.

Must-Have Skills:

• Strong experience in React Native (0.70+) and TypeScript.
• Experience with React Navigation, Redux and API integration (Axios / Fetch).
• Familiarity with Firebase, App Permissions, and Push Notifications (FCM/APNS).
• Understanding of Android Studio, Xcode, Gradle, and Cocoapods.
• Ability to write clean, testable code with unit and integration tests.
• Working experience with Git / GitHub / GitLab CI/CD.
• Problem-solving mindset and ability to debug across full mobile stack.

Good-to-Have Skills (Bonus):

• Knowledge of native SDK integrations (Maps, Camera, Payments, etc.).
• Experience with React Query / GraphQL.
• Familiarity with Fastlane, Crashlytics, App Center, or Sentry.
• Understanding of UX principles and animation libraries (Lottie, Reanimated).
• Experience with OTA updates (CodePush) and App Store Optimization (ASO).

Location: Mumbai (Andheri)

Work Mode: 5 Days Work from Office

Experience: 2+ Years

Employment Type: Full-Time

Notice Period: Immediate Joiners Preferred

About Deqode:

Deqode is a leading digital transformation and technology consulting company, helping businesses solve complex problems using cutting-edge technologies. We specialize in blockchain, AI/ML, cloud solutions, and enterprise mobility, with a strong focus on delivering scalable and innovative digital products for global clients.

Role Overview:

We are looking for a skilled React Native Developer to join our frontend engineering team. You will be responsible for building responsive, scalable, and high-performance mobile applications across Android and iOS platforms. You’ll collaborate with cross-functional teams including backend developers, designers, and product managers to deliver seamless mobile experiences.

Responsibilities:

• Develop and maintain robust mobile applications using React Native
• Build reusable and efficient components and libraries for future use
• Integrate applications with backend APIs and third-party services
• Optimize applications for maximum speed, responsiveness, and performance
• Ensure quality, maintainability, and scalability of your codebase
• Participate in the full mobile app lifecycle – from planning, development, testing to deployment
• Collaborate in an agile environment with daily stand-ups, code reviews, and regular releases

Must-Have Skills:

• Minimum 2+ years of hands-on experience with React Native
• Strong command over JavaScript (ES6+) and TypeScript
• Experience with state management tools like Redux, MobX, or Context API
• Familiarity with native build tools such as Android Studio, Xcode
• Experience integrating RESTful APIs and handling async operations
• Solid understanding of mobile UI/UX design principles
• Proficient in Git, version control workflows, and CI/CD pipelines
• Good grasp of cross-platform compatibility and responsiveness

Good to Have:

• Exposure to Node.js or full-stack development
• Familiarity with databases like MongoDB, MySQL, or Redis
• Experience in integrating analytics, push notifications, and app deployment
• Bonus: Knowledge of Vue.js

Company Description

Sciflare Technologies Pvt. Ltd. is a 10+ years dynamic and innovative IT and software development company located in Chennai. With a strong presence in the US, Europe, and UAE, we specialize in various domains, including AI, Gaming, Banking, Fintech, Fantasy Sports, IT, E-commerce, Logistics, Healthcare, and On-Demand Services. Our team of over 40 talented professionals is dedicated to delivering cutting-edge solutions that drive our clients' success. Our top clients include Provident Bank, Century Financial, HDFC Life, The New Indian Express, Cisco, and EROS Group.

Join us and be a part of a company that thrives on creativity, technology, and excellence.

CHANCE TO WORK WITH APPS WITH 10LAKH CONCURRENT USERS IN GAMING INDUSTRY

Role Description

• You are a champion at Code reviews and Unit/Mock/integration Tests
• You have a strong sense of ownership of what you design and deploy
• You provide strong technical mentorship to team members
• You are an excellent team player
• You continuously learn and improve

We are seeking a highly motivated and experienced Senior React Native Engineer to join our team. In this role, you will lead and manage software development projects across diverse domains such as Gaming, Banking, Fintech, Fantasy Sports, IT, E-commerce, Logistics, Healthcare, and On-Demand Services. You will be responsible for ensuring the successful delivery of projects, meeting deadlines, and exceeding client expectations.

Skill Sets

• Startup Experience: Proven track record of taking ownership of projects and delivering impactful results in a startup environment.
• Relevant Experience: 3-9 years of experience in mobile app development, with a strong focus on building high-performance, scalable, and maintainable React Native applications.
• React Native Expertise: Extensive experience with React Native, including deep knowledge of its ecosystem, libraries, and tools.
• JavaScript & TypeScript: Proficiency in JavaScript and TypeScript, with experience in writing clean, maintainable, and efficient code.
• Mobile Development: Hands-on experience in developing cross-platform mobile applications for both iOS and Android, with a strong understanding of platform-specific guidelines and best practices.
• State Management: Proficiency with state management solutions such as Redux, MobX, or Context API.
• APIs & Integration: Experience integrating with RESTful APIs and GraphQL endpoints, with a strong understanding of asynchronous data fetching and state management.
• UI/UX Design: Strong understanding of UI/UX principles and experience working with designers to implement user-friendly interfaces and improve app usability.
• Testing & Debugging: Experience with mobile testing frameworks and tools such as Jest, Detox, or Appium. Skilled in debugging and performance optimization for mobile applications.
• Version Control & CI/CD: Experience with Git, pull requests, and CI/CD pipelines. Familiarity with tools like GitLab, GitHub, or Bitbucket.
• Agile Practices: Experience working in Agile environments, with a solid understanding of SCRUM and related methodologies.
• Collaboration & Communication: Excellent teamwork and communication skills, with the ability to collaborate effectively in a remote or distributed team setting.
• Solutions-Oriented: Ability to tackle complex problems with a solutions-oriented mindset, adapting to the fast pace and challenges of startup life.

Responsibilities

• Scalable Architecture: Lead the design and implementation of scalable mobile architectures that ensure performance, reliability, and maintainability of React Native applications.
• Informed Decisions: Make architectural and technical decisions that align with the companys business objectives and technical strategy.
• Code Quality & Standards: Maintain high standards of code quality through regular code reviews, adhering to best practices and industry standards.
• User Experience: Work closely with UX/UI designers to ensure that applications provide a seamless and engaging user experience.
• Performance Optimization: Optimize mobile applications for speed, responsiveness, and efficiency, ensuring a smooth user experience across both iOS and Android platforms.
• Testing & Debugging: Implement comprehensive testing strategies to identify and address issues early in the development cycle, ensuring reliable and high-quality releases.
• Collaboration: Collaborate with product managers, designers, and other developers to understand user requirements and deliver features that meet user needs and project goals.
• Continuous Learning: Stay current with the latest trends, technologies, and best practices in React Native and mobile development to drive innovation and improvement.
• Autonomy: Take ownership of projects and tasks, working independently and effectively without the need for constant supervision.
• Simplicity: Strive for simplicity and elegance in your code and solutions, avoiding unnecessary complexity.
• Proactive Problem Solving: Anticipate and address potential issues before they arise, contributing to the overall success of the team and project.
• Solution-Oriented: Focus on delivering practical solutions to problems, going beyond just writing code to contribute to the overall success of the product.

Life@Sciflare:

• An exciting & lively workplace gives you the chance to work in an environment where you may unleash your creativity and inventiveness to the best extent possible.
• Work in a collaborative setting where your cooperative team contributes new perspectives to your objectives and forges strong bonds.
• Growth mindset: You are nurtured through each stage of your professional advancement by learning and unlearning new things.

The role is office-based, working from Monday to Friday 9:00 AM to 06:00 PM & all Saturdays & Sundays are off.

About the company

Credit cards haven't changed much for over half a century so our team of seasoned bankers, technologists, and designers set out to redefine the credit card for you - the consumer. The result is OneCard - a credit card reimagined for the mobile generation. OneCard is India's best metal credit card built with full-stack tech. It is backed by the principles of simplicity, transparency, and giving back control to the user.

“Re-imaging credit and payments from First Principles”

Payments is an interesting engineering challenge in itself with requirements of low latency, transactional guarantees, security, and high scalability. When we add credit and engagement into the mix, the challenge becomes even more interesting with underwriting and recommendation algorithms working on large data sets. We have eliminated the current call center, sales agent, and SMS-based processes with a mobile app that puts the customers in complete control. To stay agile, the entire stack is built on the cloud with modern technologies. 

OneCard (Best credit card app) : http://www.getonecard.app/">www.getonecard.app

OneScore (5 million downloads): http://www.onescore.app/">www.onescore.app

Create a consumer facing front end application that will be used by millions of users.

What you will do:

• Develop our mobile apps using React Native.
• Work with backend, frontend, and other developers to build out a customer-centric experience that will constantly evolve.
• Work with our designers and customer success team to create a seamless user experience.
• Respond to support team tickets as needed to resolve bugs and issues.
• Participate in contributing ideas, updates, and product development areas to the team.

Experience Range: 

3-5 years with technical hands-on experience in building a consumer mobile app. You must have shipped an app to the stores.

Technical Expertise:

• 3-5 years experience Android/iOS native apps or React Native based apps and Web front-end technologies such as React. 
• Strong command of JavaScript ES6.
• Know how to build (fairly) complex layouts without using any CSS frameworks.
• Strong problem solving and analytical skills using data structures.
• Comfortable in a fast-paced startup environment.
• Bias for action shipping quality code quickly.

TrueFan is a celebrity-fan experience platform that enables fans to connect with their favorite celebrities. The business runs on a mobile application where fans compete in an online quiz contest designed on the life of their favorite celebrity (their movies, trivia, facts, etc.) and the winners get a personalized video message from them.

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these 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

• Designing, deploying, and managing web and mobile applications that can run on multiple platforms.
• Utilizing React Native to design and develop UI components for web and mobile apps based on JavaScript.
• Writing effective, scalable, and reusable JavaScript code can help create interchangeable front-end modules.
• Improving front-end performance by diagnosing and fixing all system errors and bugs.
• Collaborating with design, development, and customer service teams to properly understand client requirements and build top-notch apps within the stipulated time and budget.
• Using other JavaScript libraries (like “Redux”) to make asynchronous API calls and enhance website/mobile app performance.
• Creating plans to transition React-based web and mobile apps to React Native.

Requirements

• Possess at least 3 years of hands-on experience in React Native.
• Should have a good working knowledge of HTML and CSS.
• You are well-versed in all aspects of JavaScript.
• Experience in leading a team is preferred.
• Should have in-depth knowledge of UI/UX designs and wireframes.
• You possess an expert-level understanding of React.js and its fundamentals. 
• You are familiar with Gradle, XCode, and other native build tools.
• You deeply understand REST APIs, offline storage, and the document request model.
• You have strong problem-solving and critical-thinking abilities.

• Significant experience working with React web and mobile along with tools like Flux, Flow, Redux, etc.
• In-depth knowledge of JavaScript, CSS, HTML, functional programming, and front-end languages
• Strong knowledge of React fundamentals such as Virtual DOM, component lifecycle, and component state
• A complete understanding of the full mobile app development lifecycle right from prototyping
• Knowledge of type checking, unit testing, typescript, prop types, and code debugging
• Experience working with REST APIs, document request models, offline storage, and third-party libraries
• Strong understanding of web technologies like JavaScript, HTML, and CSS
• Knowledge of user interface design and responsive designs
• Well-versed in a variety of React Native software and technologies such as Jest, Enzyme, ESLint, and so on

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these 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.

Requirements 

- You will be working with our engineers to develop and maintain high-quality mobile applications for both platforms as Android and iOS.

- Ultimately, you should be able to design and build the next generation of our mobile applications.

Job Responsibilities and Required Skills :

- Experience with React Js, React Native, JavaScript including DOM Manipulation and the JavaScript object model.

- Thorough understanding of React Native and its core Principles.

- Hands-on experience on React Native Framework at least 3 years.

- Good Knowledge of HTML5, CSS.

- Familiarity with code versioning tools (Such as Git, SVN or Mercurial)

- Familiarity with RESTful APIs

- Familiarity with modern front-end build pipelines and tools.

- Experience with common front-end development tools such as Babel, Web pack, NPM etc.

- Experience with Native Mobile app deployment on App store and google play store.

We are hiring for one of our clients (building an immersive platform for creators, from India, which can be used by creators to create content and engage their audience across the world. And they are looking for smart and motivated 'Mobile Engineers' to help build it.

For this, they need someone who has working knowledge in building quality mobile apps in React-Native/Flutter, handling device specific aspects, etc.

Being a Mobile Engineer at this organization will be like a feeling to build something that millions of users across the world can interact with. You will be helping in setting forth the mobile-frontend culture and journey.

Also, experience the working in the early team, shape a startup from the grounds up and be a part of the high growth journey.

Key Responsibilities: -

1. Build and deploy product features end to end.

2. You will build high quality features for a mobile app from grounds up, and can use patterns like composition, inheritance, renderProps, etc.

3. Research and implement things wherever needed, think automating via Fastlane CI/CD, testing logically so it works across multi-resolution devices, etc.

4. Setting up events for user, performance, and error analytics, think GA, hotjar, sentry, etc.

5. Participate in product and design ideation, collaborate with the team to implement high-quality features.

Requirements: -

1. Solid foundation in JS and React Native.

2. Passionate about product and drives it with engineering.

3. Architectural familiarity of implementation, not just UI features.

4. 1+ years of experience in building quality apps in React Native.

5. Identify and resolve performance and device specific issues.

6. Can adapt to best practices and learn device specific things in Android/iOS.

7. Code quickly and test thoroughly - maintain the balance between velocity and code health.

8. Great taste in UI and UX

Perks: -

1. Become a part of our early team, and shape products from grounds up

2. Attractive compensation and esops.

3. Macbook pro

4. Empowered to build an amazing startup culture with us

5. Full ownership and massive growth opportunities

6. and more...

The organization is funded by India's top executives and angel investors.