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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).

• Design and develop mobile applications in true service oriented architecture.
• Building mobile applications on Android platform using Java, Kotlin, etc
• Worked on major architectures like MVVM, MVP

• Deep tech skills in flutter
• Good programming knowledge of DART
• Knowledge of REST API and JSON
• Self start and dynamic 

Lead/Principal Engineer – Android

We are looking for talented engineers who are passionate about using software engineering to make kids love to learn and redefine learning@home at BYJU’S. You will have an opportunity to work in a highly motivated fast-paced environment in a fastest-growing Ed-Tech company. You will be building platforms and services to be used across various products. You will have the opportunity to create a significant impact on our systems, our business and most importantly on the life of millions of our students as we take on challenges that will reshape the education industry. You will operate at the intersection of diverse disciplines - Backend, Frontend, Big Data, ML, Computer vision and Multiple programming languages. You will build solutions for Byju’s core learning Apps, co-branded platforms, new launches, product development & innovations and personalized learning experiences.

We are looking for smart people with excellent technical skills and a can-do attitude. Candidates should be eager to learn, flexible to pivot when needed, savvy enough to thrive in a dynamic environment and should possess a growth mindset.

• Leads more than one projects end-to-end and collaborates across functions. Drives planning, estimation and execution.
• Manages stakeholder expectations and offers scalable, reliable, performant and easy to maintain solutions.
• Consistently takes well thought technical/design decisions.
• Develops expertise in more than one area and shares knowledge with others. Able to mentor/train people in areas which are new to them.
• Drives people to solve engineering challenges.
• Enjoys high respect of Tech and other cross functional teams.
• Demonstrates effective communication with project team, management and internal/external clients as necessary.
• Surfaces both technical and non-technical team challenges and helps resolve them.
• Champion for SDLC best practices and high-quality standards.
• Significantly contributes in hiring high performance candidates.

• Expert in JAVA, Kotlin, Reactive programming, Asynchronous programming and Dependency Injection. Experience with unit-tests and automation frameworks.
• Familiarity with any architectures like MV*(MVP/MVVM/MVI).
• Strong focus on high-quality mobile UI experiences.
• Operates independently with almost no oversight.
• Is able to apply domain expertise to think critically and make wise decisions for the team, taking into account tradeoffs and constraints.
• Communicates tech decisions through design docs and tech talks.
• Has delivered multiple projects with end-to-end engineering ownership.
• Keeps track of new technology/tools and embraces them as necessary
• 7+ years of experience in a product-driven organization.

Technologies we're working with

• MVP, JAVA and Kotlin, Realm, Firebase Real-time Database, RxJava,Kotlin Coroutines, Dagger and Retrofit.

Note- WFH currently

• Designing and building advanced applications for the Android platform
• Collaborating with cross-functional teams to define, design and ship new features
• Unit-testing code for robustness, including edge cases, usability, and general reliability
• Working on bug fixing and improving application performance
• Continuously discovering, evaluating and implementing new technologies to maximize development efficiency

What you need to have:

• 3 to 6 years Android app development experience
• Hands on experience in developing high performance mobile applications
• Strong knowledge of Java,Kotlin,Android SDK, different versions of Android, and how to deal with different screen sizes
• Familiarity with RESTful APIs to connect Android applications to back-end services
• Strong knowledge of Android UI design principles, patterns, and best practices
• Experience with offline storage, threading, and performance tuning
• Ability to design applications around natural user interfaces, such as touch
• Familiarity with cloud message APIs and push notifications
• Familiarity with the use of additional sensors, such as gyroscopes and accelerometer
• Must have experience in BLE and BT
• Good understanding of unit, system and end to end testing and automation of mobile applications/ Android applications
• Familiarity with the MVC and MVVM design patterns
• Knowledge of the open-source ecosystem and the libraries available for common tasks
• Experience building, testing and distributing native apps that consume RESTful services
• Hands-on coding, systems analysis, design and delivery of projects assigned
• At least three native applications deployed in the play-store
• Proficiency in code versioning tools such as GIT

• 2+ years of work experience in consumer-facing high traffic (millions of concurrent users) mobile applications with a desire to work in growing fast-paced startups.
• Worked on applications from scratch. Well-versed with building apps for various screen densities and sizes.
• Up to date on upcoming trends in android and its ecosystem with respect to design, architecture, etc.
• Experience in optimizing all important parameters like network utilization, application size, and battery.
• Experience with kotlin, coroutines, dagger, retrofit, Rx-android, and android architecture components, etc.
• Should have used mock frameworks, modular code design, and popular design patterns.

• Good grasp of algorithms, design patterns, memory management, and multithreaded programming.
• Experience with SAAS platforms for mobile development like Analytics, Push Notifications, Cloud Storage, Ad Networks, etc.
• Hands-on experience with Android's debugging, unit-testing, memory, and performance optimization tools.
• Experienced in databases like SQLite, ROOM DB.
• Experience in using Device hardware integrations like GPS, Camera, etc.
• Experience with performance and memory tuning with tools.
• Knowledge of engineering practices like CI-CD.
• Strong communication and team collaboration skills.
• Experience in iterative development methodologies like Agile.