Android Developer

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).

We are looking for an Android Developer responsible for the development and maintenance of applications aimed at a range of devices including mobile phones and tablet computers. Your primary focus will be development of applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential

Roles and Responsibilities

² Design and build applications.

² Ensure the performance, quality, and responsiveness of applications

² Collaborate with a team to define, design, and ship new features

² Identify and correct bottlenecks and fix bugs

² To maintain the code quality, organization, and automation

² Work with the development team consisting of architects, UI designers, product managers, testers to deliver high quality mobile product & services

² Develop, test and rollout optimised UIs for diff versions/device

² Translate designs and wireframes into high quality code

² Build for multi device & multi platform scenario i.e mobile website along with mobile app

² Design, build, and maintain high performance, reusable, and reliable Java code

² Ensure the best possible performance, quality and responsiveness of the application

² Adaptability is a key factor to becoming a great Android app developer

² Identify the bugs ,correct bottlenecks and fix bugs

Skills Required:

² Prominent hands on experience in Native Android, Native iOS or Both.

² Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes

² An Android app developer must be well-versed with Java programming language.

² Familiarity with RESTful APIs to connect applications to back-end services

² Strong knowledge on UI design principles, patterns, and best practices

² Having knowledge about offline storage, threading, and performance tuning

² Knowledge of the open-source Android ecosystem and the libraries available for common tasks

² A knack for benchmarking and optimization

² Ability to understand business requirements and translate them into technical requirements

² Understanding of Google’s Android design principles and interface guidelines.

² Proficient with Objective-C or Swift.

² Understanding of Apple’s design principles and interface guidelines

² Knowledge of low-level C-based libraries is preferred

² Familiarity with cloud message APIs and push notifications

² Knack for benchmarking and optimization

² Proficient understanding of code versioning tools (such as Git, Mercurial or SVN)

² Familiarity with continuous integration.

• 2+ years of experience in Front React Native development
• Experienced in using Mobile Views on iOS and Android
• Good understanding of MVC frameworks
• A knack for writing clean, readable React-Native code
• Solid understanding of object-oriented programming
• Understanding Agile Development and Scrum practices
• Familiarity with version control Git (Github or Gitlab)

• Interact with the Project Managers / Leads / Clients
• Understand the requirements and provide estimates for the planned tasks
• Deliver best quality work without bugs in the estimated time frame
• Help maintain code quality, organization, and automatization
• Collaborate with cross-functional teams to design and release new features
• Help the team to identify and correct bottlenecks, fix bugs
• Excellent analytical and problem-solving skills

• Experience / strong knowledge in both iOS & Android Mobile Application technologies
• Proficient in SwiftUI, Swift, Xcode, Java, Kotlin and Android Studio, Flutter, React Native
• Experience with version control: Maven, Gradle, Git, Cocopods
• Experience in application submission/provisioning process
• Experience in performance and memory tuning
• Good understanding of computer science concepts, design patterns, algorithms, and data structures

• Experience/knowledge in any of the Back-End technologies

Benefits:

• Hybrid WFH policy
• Annual company retreat
• Team lunch

Responsibilities:

• Design and build advanced hybrid mobile applications using React Native
• Lead the application development effort by being the SPOC
• Build hybrid apps using React Native for Android/iOS
• Publish apps to the corresponding App store/Play store
• Implement new technologies to maximize application performance and optimize load time
• Collaborate with the back-end developer to build the RESTful APIs
• Research on emerging technologies and trends
• Participate in the planning and design of future software and technical architectures

Qualifications

• 2 years of hands-on experience in the full life cycle of Hybrid mobile application development including publishing one or more apps to the play store & app store
• Must have developed a Hybrid Mobile application using React. Hands-on Working experience with React Native is a must.
• Experience developing backend services preferably with NodeJS.
• Experience in developing apps on native Android/iOS platforms is a plus
• Experience in designing and working with n-tier architectures (UI, Business Logic Layer, Data Access Layer) along with some experience with service-oriented architectures (SOA)
• Strong skills in RESTful web services
• Experience with Agile methodologies would be helpful

• Strong in Java and OPPs (Object Oriented Programming) Concept
• Knowledge of Android SDK and NDK
• Knowledge of JSON and XML
• Android Mobile Development Life Cycle
• Knowledge of SQLite
• Good if Communicating with the server using REST APIs
• Should be work in agile methodology
• Master into research and development task for some major function
• Good Problem solving skills
• Self motivated and always willing to learn latest technology

Key Skills

• Android, Java, Kotlin, OOPS, C, C++

What You Need for this Position:

B.tech/BE/MS/MCA/BCA Degree in Computer Science, Engineering or a related subject
3+ years of experience using Swift to develop and deliver production applications for iOS
Strong understanding of the fundamentals of native development patterns
Experience with ios app testing and security, including writing unit tests, test automation, and working closely with quality assurance teams
Experience with dependency management tools such as Cocoapods, SPM, and Carthage
Debugging experience with stack traces, spin traces, performance & concurrency/threading issues
Successful launch of consumer-grade applications to the Apple App Store
Experience with Git VCS and best practices for source code management
Proven experience with crafting and integrating client-side REST APIs
Familiarity with CI/CD Pipelines (Jenkins, FastLane and others)
Excellent written and verbal communication skills
Self-motivated, and outstanding analytical skills


What You Will Be Doing:

We're a small, fast-paced growing team tackling huge new challenges every day
Learning new concepts while working with an intellectual and exceptionally talented team
Friendly and high growth work environment
Competitive compensation

Profile - iOS Developer

Exp- 3+ Years

Company Profile:

Saffron Tech Private Limited

Saffron Tech is a result driven digital transformation company in New Jersey (NJ) &

New Delhi. We are known for transforming businesses to digitisation. We are

providing development services and IT solutions to its clients across the globe. Being

in the field of IT for more than 10 years now, the company has successfully executed

over 1500 projects for its clients. Saffron Tech Pvt Ltd is a multi-faceted IT firm

adept at providing Web and Mobile Application Development, IT Offshore Staffing

and Digital Marketing Services.

We are servicing over 500 clients from across the globe. We are a strong 150+

member family at the moment working from state of the art office premises close to

Saket, South Delhi. Our primary operational markets are USA, UK, APAC and

Middle East. To know more about us and our brands please visit

http://www.saffrontech.net/

Role Purpose:-

 iOS App Design and Development

 Detailed Responsibilities description:-

 Analysis of requirements and specifications

 Understanding of standard specification like Bluetooth® LE and other IoT

standards.

 Analysis of project requirements, estimation of effort required for various tasks.

 Design, Development, Enhancement and Maintenance of iOS App

 Software design including architecture and UI design of iOS App in an Agile

environment.

 Development of iOS App in Swift 5 using XCode for iOS platform.

 Write code suitable for concurrent execution / multi-threaded environment.

 Deep debugging / troubleshooting of iOS Apps both in development and

production environments across Swift.

 Profiling and optimization of iOS applications

 Use crash logs / analytics to find issue on customers’ device.

 Use XCode instruments / other tools to profile software, find bottlenecks.

 Optimization of code, use of appropriate data structure and application of proper

algorithms.Must have skills:

 Good Team Player having ability to work independently with minimal

supervision.

 Hands-on programming knowledge of Swift & Objective-C on iOS platform.

 Basic knowledge of Core Bluetooth (BLE)

 Working knowledge of Core Data

 Extensive experience in using various architectures, frameworks and design

patterns in designing/refactoring highly optimized.

 Good knowledge of C, C++ and objective oriented programming.

 Hands-on knowledge of source control tools like GIT.

 Knowledge of creating frameworks and libraries / SDK on iOS platform.

 Experience in debugging and profiling iOS Apps.

 Understanding of Apple Coding, UI Design and API Guidelines.

 Experience of iOS App submission, distribution and review process.