React Native Developer

About the Role

We are looking for a Senior Android Engineer with deep React Native expertise to build and own the trading

experience on Android — real-time data, interactive charting, fluid interactions, and rock-solid performance. What We’re Looking For

You have shipped production React Native apps that handle real-time data streams, complex UI states, and

performance-sensitive rendering. You understand the Android platform deeply — native modules, bridge

performance, and platform-specific behaviour. Ideally, you have worked on trading, fintech, or data-intensive

mobile products. You take ownership of your features end-to-end, care about code quality, and are comfortable

driving technical decisions independently. What You’ll Do

• Own the mobile trading experience on Android — architecture, performance, and end-to-end quality. • Build and optimize real-time data rendering — WebSocket lifecycle management, efficient list rendering, and minimal re-renders for streaming data. • Integrate complex WebView-based components with bidirectional JavaScript bridge communication. • Collaborate with product and design to deliver polished, intuitive interfaces for a financial product where

trust and clarity are paramount. • Define mobile engineering standards — component architecture, state management patterns, testing

strategy, and performance benchmarks. • Drive code reviews, mentor team members, and champion best practices across the mobile team. • Participate in stabilization and release cycles — profiling, device matrix testing, and regression analysis. Must-Have

• 4+ years React Native experience with production apps on Google Play Store. • Strong TypeScript skills and deep understanding of React Native internals — bridge, native modules, and

performance optimization. • Experience with real-time data handling — WebSockets, efficient UI updates for streaming data, and

state synchronization. • Experience integrating WebView-based components with JS bridge communication. • Proficiency with state management at scale (Redux, Zustand, or MobX).

• Experience with push notifications (FCM), deep linking, and complex navigation patterns. • Strong debugging skills — Flipper, React DevTools, native crash analysis, and performance profiling. Nice-to-Have

• Prior experience building trading, brokerage, or fintech mobile apps. • Experience with charting library integration in mobile apps. • Knowledge of server-driven UI (SDUI) patterns. • Experience with feature flags, A/B testing frameworks, and app modularization. • Familiarity with native Android development (Kotlin) for bridge modules. Tech Stack

Framework React Native

Language TypeScript / JavaScript

State Management Redux / Zustand

Real-time WebSocket, SSE

Charting Charting library via WebView bridge

Testing Jest, Detox (E2E), device matrix testing (Android 10+)

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).

Opportunity:

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

What you will do:

• Develop our mobile apps using Swift/ObjectiveC.
• 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 with iOS native apps.
• Strong knowledge of Swift and ObjectiveC.
• 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.

• Good experience in teamwork
• Should be work in agile methodology
• Everyday task update to team leader
• Master into research and development task for some major function
• Developer should have to be updated with latest technology

Technical

• Understanding of Application life cycle
• Knowledge of Programming language Dart
• Knowledge of Native Programming language Kotlin/Java and Swift/Objective-C
• knowledge and experience of Flutter and Dart SDK
• knowledge of Bloc coding structure or any other professional coding structure
• knowledge and experience of project version control [Git]
• Networking library like http and dio
• Local storage library like floor or moor
• Crashlytics and Analytics using Firebase
• Firebase push notification or any other
• Familiar with Google APIs. [Google Maps, Mapbox]
• Knowledge of OOPs and Dart/Flutter coding standard
• Must have experience into android and ios performance and optimize technique
• Must have knowledge of latest operating system for Android and iOS

As an Architect you are responsible for research, design, test, implement, and maintain Android applications
to meet client needs. You are expected to be Subject Matter Experts on Android application architecture.
You are also expected to demonstrate value to the organization by mentoring other team members as they
learn and grow, take ownership and responsibility not only for your deliverables, but for the entire
application and its use, and to find a balance between achieving software excellence and delivering working
code.
Roles and Responsibilities
o Involved with all phases of mobile app development from initial concepts, through design, development,
testing and deployment
o You will help guide multiple Agile teams with open communication channels, regular releases, and a
focus on continuous improvement.
o Guide and mentor a team of Android developers and work closely with Quality Engineers
o Establish best practices and processes that ensure quality within the team
o Champion our best practices and mentor team on use and results of these best practices
o Responsibility for product both pre and post launch to ensure application is meeting customer needs
and achieving continued revenue goals
o Architect, Lead, implement and review new features for android phones and tablets.
o Interactive communication of designs and other development topics to Leadership, Product Owners,
Scrum Master and other Agile Team members.
o Lead code reviews to ensure code quality and shared knowledge.
o Research and analyze the existing code base to identify issues and improve application performance and
maintenance.
o Take ownership and sense of responsibility of all deliverables.
o Work within SCRUM agile process with other stakeholders (Product Owners, XD design, Quality
Engineers) as well as across organization to balance creative objectives with business needs and
technical requirements
Looking for experienced senior Android and iOS mobile architect / developers to join an established team working on a Tier 1 personal cloud platform with 20M+ subscribers.   Candidates will be joining at an ideal time as the program undertakes a technology refresh in migrating toward progressive web application technology.  Candidates will have the opportunity to be hands on while also leading design activities and implementing programs to improve quality and productivity.    Will have a direct channel to the product leadership team for support of transformation initiatives.

ho we have in mind:
• 10+ years of experience in developing native Android application(s). Kotlin is a must.
• Understanding of Hybrid application development is a plus.
• Solid understanding of the full mobile development life cycle.
• Expert in multi-threading concepts to create highly responsive data intensive applications
• Experience leading large development teams in active Lead/Architect role
• Experience architecting mobile applications main focus on Android apps.
• Expert on Android OS, Android UI design principles, Android architectural components, Android
design patterns (MVP, MVVM), best practices and a desire to learn and apply new technologies.
• Ability to design for scalability and resilience
• Strong application process flow and problem-solving techniques
• Experience with RESTful web services using XML/JSON data formats
• Strong focus on refactoring and code quality
• Understanding of software configuration management and release management
• Expert in creating design and maintain architecture documentation, class diagrams, technical flow
documents etc
• High levels of software engineering literacy and communication skills
• Professional demeanor who works easily with leadership, product owners, engineers and other
departments both internally and externally