
● Portfolio or a GitHub account of cool projects;
● Prior experience with native Mobile Application Development for iPhone and Android
using (Objective – C and Swift, or Java);
● Experience with Augmented Reality SDKs;
● Experience with Web Services(REST and SOAP), JSON and XML, MySQL, SQLite, and
mobile database expertise;
● Familiar with performance tools and optimization techniques;
● Experience in working with Continuous Integration(CI) and Unit Testing;
● Familiar with at least one end-to-end testing framework, such as Selenium or
Protractor;
● Expert–level knowledge of JavaScript(ES5 / ES6), CSS3, and FlexBox;
● Experience creating SDKs;
● Recent experience working with Nativescript, React Native, Redux, Node.js, Git, and
NPM;
● Experience working with third-party libraries and other APIs;
● Experience with application analytics.

About Happymonk AI labs
About
Happymonk is your advanced technology and interior decoration solutions expert.
Dekorater - Your online interior decorator platform expert.
Chokidr.com - Your online security and wellness assistant.
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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).
We are looking for a React Native developer interested in building high-performance 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
• Build pixel-perfect, buttery-smooth UIs across both mobile platforms.
• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.
- Firm grasp of the JavaScript and TypeScript language and its nuances, including ES6+ syntax
- Knowledge of functional and object-oriented programming
- Ability to write well-documented, clean Javascript code
- Rock solid at working with third-party dependencies and debugging dependency conflicts
- Familiarity with native build tools, like Android Studio, IntelliJ
- We are only considering Pune-based candidates who can start immediately / within 30 days
Required Skills:
- Strong hands-on knowledge of Ionic Framework, AngularJS, and Cordova plugins to build great mobile applications
- The candidate will have an opportunity to grow his/her technical abilities by taking on challenging projects.
- Very Good analytical, reasoning and logical skill.
- Good hands-on exposure to JavaScript
- In-depth understanding of HTML5, HTML4, CSS3 frameworks
- Have very good debugging skills.
- Understanding of responsive design principles
- Able to create applications independently.
Must have skills:
HTMl5, CSS3, JavaScript, Angular JS
Ionic Framework (version 4 to 6)
Preferred Skills:
- You have good interpersonal and communication skills and are adept at working with multiple projects to drive desired outcomes.
- You are a creative problem solver with a can-do attitude
- Strong team player and Self-starter
- You pay strong attention to detail and deliver work that is of a high standard
- Interest towards Cricket desired
The ideal candidate must have experience working with enterprise mobile applications to be considered for this position.
If you are a strong architect/engineers, who are hands-on and capable of designing and developing enterprise web applications, we would love to speak to you!
Required:
Expertise in enterprise web and mobile platform development
4+ years of React Native experience
Experience in AWS
Ability to own the design from inception to deployment
Experience with Cloud / SaaS environment
Hands on experience of Android and iOS Application development
Experience in JavaScript testing frameworks such as Jest, Mocha, Chai, Enzyme
Experience in CI/CD
Expertise in Object Oriented and/or functional problem decomposition
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.
The Engineering Challenge
“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.
Check out our apps here:
OneCard (Best credit card app) : http://www.getonecard.app/">www.getonecard.app
OneScore (5 million downloads): http://www.onescore.app/">www.onescore.app
Senior Software Engineer – Frontend
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.
Android Developer:
Position: Android/Java/Kotlin Developer
- Selected candidate is required to be a part of the product development team and have to manage both maintenance and enhancement projects & building Mobile Applications using web services.
Skills & Expertise we look for:
- Should be passionate about user interface design and have skills in Native Android with proficiency in Kotlin and Java.
- Out of the box thinking to troubleshoot and solve problems
- Should be willing to implement latest technology trends like XML/Compose UI, MVVM pattern, Livedata, Data binding, Pagination, Coroutines and other Jetpack components.
- Should be able to analyze customer requirements, estimate the effort, provide the deliverable date to the customer and make sure to ship the feature on time
- Experience in Release management like creating, merging, maintaining branches, versioning and releasing apps. Should have experience in publishing apps to play store.
- Ready to help team members in their technical challenges
- Collaborate with cross-functional teams to define, document, design, and ship new features
Personality we expect:
- You love an Agile work culture and deliver as per plan
- You're a lively person who's passionate on what you do
- You're a nonstop learner and enjoy sharing the learning to your juniors
- You're socially connected with the team and helping others team voluntarily.
- You're tech- expertise and effective in tools operation automate the regular process.
- You're someone who loves problem-working by seeing the occasion in every challenge and you enjoy learning from failures
- Honestly share your experience, feedback, challenges, learning and emotions for the day in your daily diary.
- Think of user needs instead of system needs
- Develop hybrid mobile app for iOS and Android platform using Flutter framework
- Hands of experience in Flutter
- Proven software development experience
- Flutter/ React Native Developer
Developed at least 2 apps and live
of the software product development life cycle. This will include analyzing system
and user requirements, designing software flowcharts, creating user interfacing
applications (Web Or Mobile) , troubleshooting bugs, and running tests to improve
system functionality.
An ideal candidate would be someone who has proficiency in JavaScript or Flutter
frameworks, good analytical skills, the ability to anticipate issues and frame
remedial actions, and excellent teamwork skills.
What will you be doing?
● Write simple, efficient, and maintainable code.
● Design, develop, scale and maintain User Application written in JS or Dart.
● Manage individual priorities, deadlines, and deliverables.
● Validating the functionality and security of the application.
● Function well in a fast-paced, rapidly changing environment
● Ensuring best coding standards and practices to improve and maintain
quality.
● Meeting with the engineering and product team to discuss project definitions
and goals.
What will you need ?
● Bachelor/Master degree in CS or related field from a reputed college
● 2-6 years of experience in frontend software development
● Sound knowledge of JavaScript or Flutter technologies.
● Solid grip on the programming basics like DS and algorithms, OOPS.
● Understanding & experience with restful APIs and microservice
architecture
● Prior experience in start-ups or health-tech will be a plus
- Should have develop Native Mobile Applications.
- Should have worked on SQLite, Retrofit, Firebase etc.
- Must have knowledge working on Hybrid Applications.
- Additional advantage if worked of frameworks like React Native, Flutter etc.
- Advantage having working knowledge of Kotlin.
- Certification done is an additional advantage.
- Even candidate should have very good debugging skills.
- Clear about Object Oriented Programming Concepts.
- Must have knowledge of working with api's and working with databases.
SECONDARY RESPONSIBILITIES :
- Ability to work independently and take ownership of the project.
- Should be capable to work in a team.
- Must have strong communication skills.
- Should be enthusiasts and able to take challenge
Looking for a React Native Mobile App Developer, comfortable with MERN stack, interested in working to improve and evolve a novel social fitness mobile app!
We need frontend integration, testing, and debugging proficiency only - the tech stack mentioned is the backend you will have access to.
You should consider Fettle for:
1. A flexible, reasonable working style. Your hours don't matter as much as your output
2. An all-hands startup experience, driven to learn, grow, and deliver, constantly
3. The exposure to engage in the firm's strategy, in decisions key to your workstreams
All we expect is elegance in building and maintaining code, and the hunger to leave as much of your signature on them as possible.
Tech Stack: React Native, Node.js, Express and MongoDB
Start date: Immediate







