React Native Developer

About the Role: We are a Y Combinator backed company (YC W21) and have closed our pre-series A round. Backed by experienced founders/CXOs/directors from renowned companies like WhatsApp, Lulu group, OYO, Netflix, Pepsico, Cleartax, InMobi etc. to add to our team.

In 2025, Businessonbot has grown 20% MoM, March'25, MRR and inched towards profitability in Q1 of FY 2025. We target a massive wave of D2C businesses in India. In the year 2025, we are the market leader in our domain. There’s never been a more exciting time to be in BusinessOnBot.

We are on a mission to help a million+ consumer brands with automated sales and user acquisition via omni channels (WhatsApp/Instagram/Email and SMS)

Position Overview: We are looking for a passionate and skilled React Native Mobile Developer with hands-on experience in building high-performance mobile applications for both iOS and Android platforms. In this role, you will be responsible for developing scalable, user-centric mobile solutions that align with product goals and enhance overall customer experience.

You will work closely with Product, Design, and Engineering teams to design, develop, test, and deploy new features while ensuring application performance, responsiveness, and reliability. The ideal candidate is a proactive problem-solver with strong technical expertise in React Native, a solid understanding of mobile architecture and APIs, and the ability to write clean, maintainable, and efficient code in a fast-

paced SaaS environment.

Key Responsibilities:

1. Develop and maintain mobile applications using React Native for both iOS and Android platforms.
2. Collaborate with cross-functional teams to define, design, and deliver new features.
3. Ensure the performance, quality, and responsiveness of applications.
4. Identify and correct bottlenecks and fix bugs to enhance application performance.
5. Write clean, maintainable, and efficient code following industry standards and best practices.
6. Integrate third-party APIs and services.
7. Work on continuous integration and continuous deployment (CI/CD) pipelines for mobile applications.
8. Stay updated on the latest technologies and frameworks to continuously improve app development.

Skills and Qualifications:

• Proven experience as a React Native Developer (minimum 1 years).
• Hands-on experience with React Native, including complex app architectures, Redux-Saga, Sockets.io or Context API.
• Understanding of mobile app development principles, including the mobile development lifecycle.
• Knowledge of RESTful APIs to connect mobile apps with backend services.
• Experience in optimizing app performance and troubleshooting crashes.
• Strong problem-solving and debugging skills.

Must Have:

• Experience with TypeScript in React Native and Angular
• Understanding of mobile app distribution via App Store and Play Store.

Benefits:

• Work closely with Product and Engineering teams in a fast-growing SaaS company
• Exposure to SaaS product workflows and direct collaboration with product & tech teams
• Positive and collaborative work culture

• You have a minimum of 6 years of experience building high-performance consumer-facing mobile applications at Product companies of a decent scale.
• You have founded/worked in a start-up and have worked in an enterprise environment
• You have a keen eye for mobile architecture and have led/participated in architectural discussions.
• You have a passion for mentoring and helping people on your team grow and achieve their goals and work with cross teams.
• You practice test-driven development and you are able to drive agile practices.
• You have worked with multiple languages/frameworks and have expertise in any one programming language/framework/stack.
• You have published reusable packages.
• You have worked with building automation, devise farms, multi-target testing.
• You are able to optimize the application for performance and speed.
• You are an excellent collaborator & communicator. You know that start-ups are a team sport. You listen to others, aren’t afraid to speak your mind and always try to ask the right questions.
• You are excited by the prospect of working in a distributed team and company. 

Ideal for candidates who would like to be part of the learning process across growing technologies and embark journey on a tech architect path. Very deep into technologies and eager to learn and adapt with technology advancement.

Essential Responsibilities :

- Study, Design, and prototyping of new technology implementation

- Work in Collaboration with teams

- Work on new technologies and solutions independently.

- Should be able to think out of the box and contribute towards project success

Must Have :

- Build pixel-perfect, smooth UIs across both Android and iOS mobile platforms.

- Leverage native APIs for deep integrations with both platforms.

- Diagnose and fix bugs and performance bottlenecks for performance that feels native

- 3rd party Native SDK integrations

- Maintain versioning on the application and releases

Good to have:

- Knowledge of DevOps

We are seeking a skilled Flutter Developer with 1.5 to 2 years of experience to join our dynamic team. As a Flutter Developer, you will be responsible for developing high-quality mobile applications using the Flutter framework. You will collaborate with cross-functional teams to define, design, and ship new features, ensuring the best possible performance, quality, and responsiveness of the applications.

Responsibilities:

1. Develop and maintain mobile applications using the Flutter framework.
2. Collaborate with cross-functional teams to define, design, and ship new features.
3. Write clean, maintainable, and efficient code.
4. Ensure the best possible performance, quality, and responsiveness of the applications.
5. Identify and correct bottlenecks and fix bugs.
6. Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
7. Stay up-to-date with the latest trends and best practices in mobile application development.

Requirements:

1. Bachelor's degree in Computer Science, Engineering, or related field.
2. 1.5 to 2 years of experience in mobile application development using the Flutter framework.
3. Proficient in Dart programming language.
4. Solid understanding of object-oriented programming principles.
5. Experience with third-party libraries and APIs.
6. Strong problem-solving skills and attention to detail.
7. Ability to work independently and as part of a team in a fast-paced environment.
8. Excellent communication and collaboration skills.

Preferred Qualifications:

1. Experience with version control systems such as Git.
2. Knowledge of mobile UI/UX design principles.
3. Experience with Agile development methodologies.
4. Familiarity with continuous integration and deployment pipelines.
5. Contributions to open-source projects related to Flutter or mobile development.

We are looking for a React Native developer interested in building performant 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:

1. Build pixel-perfect, buttery smooth UIs across both mobile platforms.
2. Leverage native APIs for deep integrations with both platforms.
3. Diagnose and fix bugs and performance bottlenecks for performance that feels native.
4. Reach out to the open-source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
5. Maintain code and write automated tests to ensure the product is of the highest quality.
6. Transition existing React web apps to React Native.

COMPANY OVERVIEW

QubeHealth is on a mission to change the way people access healthcare.

India has one of the highest out-of-pocket-expenses in healthcare in the world. Even with group health insurance cover, the average Indian worker pays 60% of health-related expenditures out-of-pocket. Paying for and accessing, healthcare remains a massive challenge in India.

On the other hand, there’s all kinds of innovative ways one can pay for buying the smallest item on any popular e-commerce portal. We believe it’s high time we changed that, and are leading this change from the forefront.

We are looking for a Flutter Android Developer who possesses a passion for pushing mobile technologies to the limits. This Android app developer will work with our Product team to design and build the next generation of our mobile applications. Android programming works closely with other app development and technical teams.

• Design and build applications for the Android platform
  
• Collaborate with cross-functional teams to define, design, and ship new features
  
• Work with outside data sources and APIs
  
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Work on bug fixing and improving application performance
  
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
  

Tech Skills

• Flutter & Dart
  
• Rest API
  
• MySQL (good to have)
  
• GitHub
  

Soft Skills

• Good Communication
  
• Team Player
  
• Creative
  
• Problem Solver

Location: Preferably based out of Mumbai & willing to work from our Mumbai office.

What you need to have:

Support the entire application lifecycle (concept, design, test, release and support) on both Android and iOS
- Build a framework as the application grows so our Apps and SDKs are unanimous. 
- Produce fully functional mobile applications writing clean code 
- Gather specific requirements and suggest solutions 
- Troubleshoot and debug to optimise performance 
- Design interfaces to improve user experience 
- Liaise with Product team to plan new features 
- Ensure new and legacy applications meet quality standards 
- Stay up-to-date with new technology trends
- Work with latest Security protocols and data transfer optimisations

- Proven work experience as a Mobile developer with 3 - 5 years of experience. 
- Must be proficient in at least one programming language from Java, Swift & Objective C and must be willing to learn the other two. 
- Experience with third-party libraries and APIs 
- Familiarity with OOP design principles 
- Excellent analytical skills with a good problem-solving attitude 
- Ability to perform in a fast paced team environment
- Strong understanding of in-device security

Preferences:

If you have experience Building apps for fast-growing startups
- If you have hands-on experience on iOS and Android both
- If you have experience working with Flutter.

Note:Our Android application is being written in Java 
and iOS app in Objective C and Swift.

• Health Memberships 
• Sports Subscriptions 
• Entertainment Subscriptions 
• Key Conferences and Event Passes
• Learning Stipend 
• Team Lunches and Parties 
• Travel Reimbursements 
• ESOPs 

Thast what we think would bloom up your personal life, as a gesture for helping us with your talents.

Join us to be a part of our Exciting journey to Build one Digital Identity Platform!!!