Senior App Developer – React Native

About the Role

We’re looking for a smart, detail-oriented Flutter Developer who loves building high-quality mobile experiences. You’ll be working on our next-gen Fintech & Investment app, focusing on clean architecture, strong session management, and secure code implementation.

Responsibilities

• Build and maintain production-level Flutter applications for Android and iOS.
• Develop pixel-perfect UI with smooth animations, transitions, and responsive layouts.
• Implement secure session management, authentication, and token-based APIs.
• Work closely with the backend (Node.js) and API teams for smooth data integration.
• Optimize app performance and memory usage.
• Follow secure coding standards suitable for fintech products.
• Collaborate with design and product teams to improve UX and app flow.
• Integrate third-party SDKs and payment gateways (Razorpay, Cashfree, etc.).
• Use version control (Git) and agile workflows effectively.

Must-Have Skills

• 1–3 years of hands-on experience with Flutter & Dart.
• Strong knowledge of state management (preferably Riverpod or Bloc).
• Strong experience in UI/UX implementation — adaptive design, fluid animations, transitions.
• Experience in secure session handling and token-based authentication (JWT, OAuth).
• Understanding of clean architecture, modular coding, and reusable components.
• Strong grasp of RESTful APIs and integration with backend services.
• Good debugging and performance optimization skills.

Added Advantage

• Experience with Node.js or understanding of backend API management.
• Familiarity with payment gateway integration (e.g., Razorpay, Paytm, Stripe).
• Prior work experience on fintech, wallet, or investment apps.
• Knowledge of Firebase, push notifications, and analytics.
• Familiarity with CI/CD pipelines and app store deployment.

What We’re Looking For

• Someone who pays attention to details, not just features.
• A developer who writes secure, clean, and scalable code.
• A creator who understands both design and performance.
• Someone excited about building meaningful fintech products from the ground up.

Compensation

Competitive and based on experience + performance incentives.

Software Development Engineer III (React Native)

Experience: 7+ years

About Wekan Enterprise Solutions

Wekan Enterprise Solutions is a leading Technology Consulting company and a strategic investment partner of MongoDB. We help companies drive innovation in the cloud by adopting modern technology solutions that help them achieve their performance and availability

requirements. With strong capabilities around Mobile, IOT and Cloud environments, we have an extensive track record helping Fortune 500 companies modernize their most critical legacy and on-premise applications, migrating them to the cloud and leveraging the most cutting-edge technologies.

Job Overview

We are seeking an experienced and passionate Mobile Software Development Engineer (SDE-3) with expertise in React Native. In this senior role, you will lead efforts to modernize legacy applications and develop new, high-performance mobile applications for large enterprise

clients and growth-stage startups. You will play a key role in mission-critical projects, working closely with business stakeholders, customer technical teams, and MongoDB Solutions Architects.

The ideal candidate will have strong technical leadership, system design expertise, and a track record of mentoring junior engineers. You will thrive in a fast-paced environment, driving the delivery of scalable, high-quality mobile applications.

Location - Chennai or Bangalore

Required Experience and Skills:

● 7+ years of experience in mobile application development, with at least 3+ years of hands-on experience working with React Native and TypeScript.

● Proven experience building high-performance mobile applications for

enterprise-grade solutions or high-traffic consumer apps.

● Solid understanding of mobile architecture, component design, and system performance optimization, with hands-on experience in testing, debugging, and performance tuning.

● Expertise in integrating RESTful APIs, third-party SDKs, and cloud services into mobile applications.

● Experience with state management libraries such as Redux or Context API.

● Strong proficiency in JavaScript (ES6+) and TypeScript, with a deep understanding of modern front-end development practices.

● Hands-on experience with mobile build tools, CI/CD pipelines, and version control systems.

● Strong problem-solving skills, attention to detail, and experience writing and maintaining clear, detailed technical documentation.

● Excellent verbal and written communication skills, with the ability to clearly explain complex technical concepts to both technical and non-technical stakeholders.

Good to Have Skills:

● Familiarity with Atlas Device Sync, Ditto, PowerSync, ObjectBox, or similar technologies for offline-first solutions and data synchronization in mobile apps.

● Experience with native mobile development (e.g., Swift for iOS, Kotlin/Java for Android).

● Familiarity with cloud platforms such as AWS, Azure, or GCP, and Mobile Backend-as-a-Service (MBaaS) solutions (e.g., Firebase, AWS Amplify).

• Ability to work independently and as part of a team in a fast-paced environment.
•        Experience with native development (iOS/Android).
•        Worked on deep linking in mobile apps
•        Hands on experience in Bridging Native code base to react native.

• You will work on long-term React Native mobile applications for innovative startups.
• Together with your colleagues and our clients you will analyse requirements and envision a qualitative solution. You will be responsible for the entire development - from architecture to implementation - and deliver user-friendly, performant and well-tested mobile applications.
• You will be part of our continuous improvement culture, hone your skills and share your experience with your colleagues.

• You have at least 3-year experience implementing and deploying React Native apps.
• You developed and published at least one React Native app on Google and Apple Store.
• You are familiar with Google and Apple Store guidelines and compliance.
• You can build pixel-perfect UIs for all mobile platforms.
• You have strong knowledge of Javascript ES6 and higher.
• You know how to make a solid relational data model and have a good knowledge of SQL.
• You have integrated a variety of web API's and understand HTTP.
• You know how to write clean and flexible object-oriented code.
• You have a good understanding of async programming concepts.
• You work daily with tools like Git, NPM and a proper IDE (Webstorm).
• You can deliver POCs, experiments and technology evaluations following design thinking practices.
• You will be contributing towards architecting and building React Native applications, as well as coordinating with the teams responsible for other layers of the product/project infrastructure.
• You write clean code and are a pragmatic programmer.

• You wish Typescript was the default language of the web.
• You stepped outside the Expo world and have experience with native iOS or Android development. You are familiar with XCode and Android studio, and leverage native APIs for deep integration with Android and iOS.
• You have experience with state management libraries like MobX and Redux.
• You write automated tests and perform end-to-end testing with Detox or Appium.
• You are familiar with functional programming concepts and apply it occasionally.
• You worked with other hybrid mobile platforms like Sencha, HTML5, PhoneGap, etc.
• You have experience with Scrum and Lean methodology