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What this role is
The market has no shortage of mobile developers who only do mobile, and no shortage of full-stack engineers who have never shipped a production app. This role is neither of those.
You are a Product Engineer whose centre of gravity is mobile. React Native is where you live. You have shipped apps, debugged native integrations, handled platform-specific edge cases, and understand what it actually takes to get something through App Store and Play Store review. That is the non-negotiable foundation.
But at Fountane, Product Engineers build products — not layers. The same feature that lives in a mobile app often has a web surface, an API, a webhook, or a database schema behind it. At L3 you are expected to own the full application surface of what you are building, not hand off the moment the work touches a backend. You will not be doing everything alone — you have a pod. But you will need to be capable of crossing the boundary when the work demands it.
You are joining a permanent Island pod. Your first deployment is to an ongoing client engagement that requires your mobile depth immediately. After that, you are a long-term Islander who will move across engagements as the Mainland deploys you.
What Fountane is actually asking for
We know the market has specialists. We are not pretending this is a standard full-stack role with mobile as a footnote, or a mobile role where full-stack is irrelevant. Mobile is your primary skill. Everything else is your secondary obligation. If you have spent your career going deep on React Native and can hold your own on an API or a web feature when needed, this role fits you.
If you are a pure mobile specialist who cannot — or will not — touch anything outside the app layer, this is not the right fit. Not because we do not respect specialisation, but because Islands do not have room for hard walls between disciplines. The work crosses boundaries. So must you.
What you will own at L3
- React Native application development — the primary mobile codebase, feature delivery, and platform-specific implementation across iOS and Android
- App Store and Play Store release management — build pipelines, submission, review compliance, and versioning
- Native integrations — push notifications, device permissions, biometrics, deep linking, offline-first patterns, and platform SDK integrations where required
- Context Engineering — translating Concept Engineer prototypes and briefs into a clean, scalable mobile architecture using Cursor as your primary execution tool
- API integration and backend contribution — consuming and, where needed, building or modifying the backend services your mobile surfaces depend on
- State management architecture — owning how data flows through the mobile application, not just implementing patterns handed to you
- Cross-platform consistency — ensuring iOS and Android behaviour is intentional and documented, not accidental
- Cursor .cursorrules contribution — maintaining the Island's mobile-specific coding standards and context files so the codebase stays navigable as it grows
- Refactoring and codebase stabilisation — at L3 you are expected to work safely on an existing codebase, not just greenfield. You use Cursor's codebase context to edit and optimise without breaking what already works
- Mentoring L1 and L2 engineers on the Island — reviewing their code, raising the quality bar, and making sure mobile-specific patterns are being applied correctly across the pod
The technology you will be working with
This role is being hired for a specific active engagement. The following is the technology stack in use on this project. If you have not worked with these directly, do not apply.
- React Native — cross-platform mobile, iOS and Android
- TypeScript and JavaScript (ES6+) — the entire codebase is typed
- State management — Zustand and Redux; you need to know both and have an opinion on when to use each
- API integration — RESTful APIs and GraphQL; you will be consuming both
- Push notifications — Firebase Cloud Messaging (FCM) and Amazon SNS
- List rendering and UI performance — FlatList and related React Native optimisation patterns; this is not optional on a project of this scale
- Git — branching, PR reviews, and version control discipline on a team codebase
- iOS and Android platform guidelines — you understand the design and behavioural expectations of both platforms and implement accordingly
Bonus — useful but not required to apply:
- Native Android (Kotlin/Java) or iOS (Swift/Objective-C) experience
- Mobile testing frameworks — Jest, Detox, React Native Testing Library
- CI/CD pipeline experience for mobile applications
- Performance monitoring and analytics tooling
Proof-based qualifications
We do not assess candidates on years of experience or job titles. We assess on proof of capability. When you apply, be prepared to demonstrate the following:
What we look at
What you must show
2–3 shipped apps
Live applications on the App Store and/or Play Store that you built or were a primary engineer on. Provide links or app names in your application. We will look them up. If you cannot name two shipped apps, do not apply.
React Native + TypeScript
A codebase or feature set demonstrating typed React Native development — components, hooks, context API, and state management using Zustand or Redux. Not a tutorial project.
API and backend integration
A feature where your React Native work connected to a RESTful or GraphQL API — ideally one you also built or modified on the backend side. Show us the integration, not just the consumption.
Cursor-driven workflow
Walk us through how you currently use Cursor and Claude in your build process. Not a demo. A real conversation about how AI tooling has changed how you write and debug code.
A CV listing React Native and a GitHub with no shipped apps is not proof. Show us what you have built.
AI tooling at Fountane
Claude and Cursor are the primary tools for thinking, drafting, and executing work at Fountane. Every Product Engineer — including this one — is expected to use Cursor as their main development environment and Claude for context engineering, debugging, and architectural thinking.
This is not a listed skill. It is the working method. If you are not already building with Cursor and Claude integrated into your daily workflow, you will need to get there fast. The Island's velocity depends on it.
Who should not apply
- You have only built mobile apps backed entirely by third-party services (Firebase, Supabase) and have never touched application logic outside the app layer.
- You cannot name two or more applications you have shipped to the App Store or Play Store.
- You treat mobile as a skin over a web app. You have not handled platform-specific native behaviour, device APIs, or cross-platform edge cases.
- You are not using AI tooling in your current workflow and see it as optional.
- You need a clear boundary around mobile and expect the backend work to always belong to someone else.
What comes next
L3 is not a ceiling. The path to Lead PE — Mobile requires demonstrated ability to orchestrate the Island's full application architecture across mobile and backend, define the .cursorrules for the pod, manage Island velocity, and handle client technical conversations without the Lead CE in the room. Promotion is not tenure-based. It is triggered by demonstrated capability at the next level's complexity tier.
About Fountane
Fountane is a technology ventures lab - one part product studio, one part startup engine. We build high-quality software and AI products for clients ranging from fast-moving startups to large enterprises, and we co-build and invest in new companies when we see the right opportunity.
Founded in 2017 and headquartered in Minneapolis, we have grown to 60+ people across four continents and were recognised as one of America’s fastest-growing companies, ranking No. 699 on the Inc. 5000 with 595% three-year growth.
We are radically open-minded, serious about craft, and direct about expectations. If you want to do meaningful work without politics, this is the place.
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Ensure product delivery is fast, low-cost and sustainable.
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Take responsibility from development to customer support.
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Research and implement things wherever needed, improve efficiency
using automation, and methods like test driven development. -
Setting up events for user, performance and error analytics.
Participate in product and design ideation, collaborate with the team to implement high-quality features.
Skills & Qualifications
- Familiarity with RESTful APIs.
- Familiarity with newer specifications of ECMAScript (ES6 & ES5 ).
- Experience with popular React workflows (such as Flux or Redux).
- Experience in React native, Javascript.
Job Title: React Native Mobile Developer ( 4+ years experience)
Are you passionate about shaping the future of technology and being a part of a dynamic team of developers? Do you thrive in challenging and innovative environments, ready to take on the responsibility of spearheading cutting-edge projects? If so, we have an exciting opportunity for you!
Job Description:
We are seeking an experienced React Native Developer with over 4 years of experience to join our dynamic team. The ideal candidate will have a strong background in mobile development, particularly with React Native, and a passion for creating high-quality, scalable applications. You will play a key role in the development and maintenance of our cross-platform mobile applications, ensuring seamless integration with our web solutions and a superior user experience.
Key Responsibilities:
• Mobile Development: Develop, maintain, and optimize React Native applications for both iOS and Android platforms.
• Integration: Work closely with back-end developers to integrate mobile applications with APIs and other services.
• Collaboration: Collaborate with cross-functional teams, including UI/UX designers, product managers, and other developers, to deliver a cohesive product experience.
• Performance Optimization: Ensure the performance, quality, and responsiveness of applications by identifying bottlenecks and implementing solutions.
• Code Reviews: Conduct code reviews and ensure adherence to coding standards, best practices, and company guidelines.
• Testing: Write and maintain unit and integration tests to ensure the reliability and robustness of the application.
• Documentation: Create and maintain technical documentation for code and APIs.
• Stay Updated: Keep up with the latest industry trends and technologies, and continuously improve the development process.
Qualifications:
• Education: Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent work experience)
• Experience: 4+ years of experience in mobile development, with at least 3 years of hands-on experience with React Native.
• Skills: Proficiency in JavaScript and strong experience with React Native, including working with state management libraries (such as Redux or MobX) and navigation libraries.
• Platform Knowledge: Solid understanding of mobile development for both iOS and Android, including platform-specific considerations.
• Performance: Experience with performance optimization techniques for mobile applications.
• Version Control: Familiarity with version control systems (e.g., Git).
• Collaboration: Ability to work effectively in a team environment and communicate technical concepts to non-technical stakeholders.
• Problem-Solving: Strong problem-solving skills and attention to detail.
Preferred Skills:
• TypeScript: Experience with TypeScript for type safety and better code maintainability.
• UI/UX Understanding: Familiarity with UI/UX design principles and ability to collaborate effectively with designers.
• Back-End Knowledge: Basic understanding of back-end technologies and APIs to facilitate seamless integration.
• Testing Frameworks: Experience with testing frameworks such as Jest or Mocha.
• CI/CD: Knowledge of continuous integration and continuous deployment (CI/CD) pipelines.
• App Store Deployment: Experience with deploying applications to the Apple App Store and Google Play Store.
Job description – Mobile App Frontend Developer
vani.coach is an award-winning high-growth product company with a mission of upskilling the communication skills of its 140 million workforce in this decade.
Trusted by large enterprises like L&T, Asian Paints, Cipla, PwC, etc. to upskill their people, Team Vani has a solid track record in delivering learning outcomes that deliver business results, leading to 100% repeat sign-ups. With a proven product-market fit, we have now switched to growth mode, and we are now building our product team.
- 3-6 years of proven and progressive experience in UI development.
- Experience in JavaScript, React Native, and GraphQL. Experience in making hybrid mobile apps. The native experience on Android and iOS will be an add-on. Clean coding and design patterns are desirable. A perfect applicant will be skilled in React Native and JavaScript.
- A grasp of database technologies like PostgreSQL, Python, etc. would be an added bonus.
What makes you a great fit?
- 3–6 years of React Native development experience.
- Experience in React Native, Javascript, and CSS3.
- Familiarity with mobile development concepts, including performance optimisation, device compatibility, and user experience design.
- Great OO skills, including strong design pattern knowledge.
- Experience in any backend is an added advantage (optional).
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of client-server architecture and strong design principles.
- Solid understanding of Core JavaScript principles.
- Experience working with video/audio recording on mobile devices would be preferred.
- Working knowledge of the version control systems Git and SVN.
- Personal track record of process improvement or reengineering.
- Should be able to work independently.
- Should be able to debug the root cause of issues or bugs and their impacts.
- Strong analytical and problem-solving skills.
- Strong interpersonal, written, and verbal communication skills.
What You'll do
- Recommend the best possible way to solve a tech problem and come up with ETAs
- Able to multitask, prioritize, and take critical decisions.
- Provides input for system architectures and designs.
- Define a checklist for code reviews and unit tests.
- Ensure that functional requirements are correctly interpreted and translated into clear and robust code
- Enthusiastic to work collaboratively with people and share your ideas to solve real business problems.
- Collaborates and communicates with internal and outsourced development partners regarding software application design status, project progress, and issue resolution.
- More experienced candidates should be able to lead multiple projects with a sense of ownership.
- Strong analytical and problem-solving skills.
- Self-motivated, a team player, and the ability to work in small groups.
Educational Qualification:
B.E., MTech, BCA, MCA. Candidates holding degrees
LogiNext is looking for a technically savvy and passionate Mobile Application Developer to cater to the development and launch of core mobile product features. You will help the team in building an awesome product with your optimized code. You will make a humongous impact on design, architecture, implementation and enhancement of the applications that exceed client expectations in terms of value and benefit.
You have hands-on experience in building secure, high-performing and scalable mobile applications. Your design intuition inclines towards usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have assisted in shipping applications with beautiful front-end and intelligent back end. You have demonstrated strong interpersonal and communication skills.
Responsibilities
Develop cutting edge native Android or iOS applications for the mobile platform Build, test, maintain and enhance mobile apps having elegant and efficient UI/UX to enhance client experience Own features from their ideation, design, development, test, release and maintenance Be a resident expert of new trends and implement the latest Android/iOS features to maximize application performance Maintain high standards of quality and responsiveness through technical design analysis, code reviews and test automation Collaborate with a talented team of product managers, engineers, and designers Demonstrate high level of ethics, dedication and teamwork
Requirements
Bachelor’s degree in Computer Science, Information Technology or related field 8 to 10 years of experience in developing native Android or iOS mobile applications Strong knowledge of programming language in Swift or Java/Kotlin, SQLite and IDE like XCode or Android Studio Hands on experience in using Location Based Services, REST Web Services Integration, FCM, Firebase and Battery Optimization Techniques Strong experience in memory management, performance tuning and resource optimization Deep knowledge of mobile automation and unit testing frameworks Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership Experience in both Android and iOS applications is a plus Excellent written and oral communication skills, judgment and decision-making skills
About MyOperator:
MyOperator is a leading Software as a Service (SaaS) for managing cloud communication. Trusted by 10000+ businesses and recognized as a leader in India’s cloud telephony segment, MyOperator enables seamless communication for agile enterprises.
The team will build our next-generation cloud telephony platform and provide our customers with new ways to deliver communication experiences to their audiences. This is an exciting and meaningful opportunity both from a technical and career opportunity perspective.
React native developers will be responsible for developing and maintaining high-quality mobile applications. The developer will be responsible for creating applications for both Android and iOS using React native.
Requirements
- Design and implement user interface components for JavaScript-based web and mobile applications using React ecosystem
- Work as a part of a small team that includes other react native developers, designers, QA experts, and managers
- Build app and UI components from prototypes and wire-frames
- Work with native modules as and when required
- Use Native APIs for tight integrations with both platforms Android and iOS
- Write automated tests to ensure error-free code and performance
- Improve front-end performance by eliminating performance bottlenecks
- Create front-end modules with maximum code reusability and efficiency
- Implement clean, smooth animations to provide an excellent user interface
- Work with third-party dependencies and APIs
- Work with Redux architecture to improve the performance of the websites/mobile apps
- Coordinate with the cross-functional teams to build apps within the stipulated time/budget.
Benefits
- 100% Remote Working
- WiFi Reimbursement
- Work-Life Balance
Want to hear our CEO? https://www.youtube.com/watch?v=g85J6h8RGCU&t=157s
Our Products:
MyOperator Dialer: https://www.youtube.com/watch?v=2uhjcIa5rlE
Heyo App: https://www.heyophone.com/
Check us on LinkedIn:
https://www.linkedin.com/company/voicetree-technologies/
We are looking for someone to build and lead the team of Android developers for a B2C product. Someone with deep experience in building consumer apps is desirable. You should have lead a team of android developers. Person who can recruit, lead and manage teams will be given preference.
What does the core role include?
- Experience in leading a team
- Design and build advanced app features for the Android platform.
- Collaborate with cross-functional teams to define, design, and ship new features
- Build and introduce new features to our Android App
- Work on MVP & MVVM architecture for building apps in Android Studio
- Experience in Dagger framework
- Translate designs and wireframes into high-quality code.
- Design, build and maintain high performance, reusable, and reliable Java code
- Familiarity with RESTful APIs to connect Android applications to back-end services
- Unit test code for robustness, including edge cases, usability, and general reliability
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
What else can you expect in the role?
- Handling coroutines with Kotlin
- Work with REST API(JSON) endpoints using Retrofit
- Knowledge of Material Design and how to implement it in code
- Working on interfaces, data binding, and application lifecycle
What are we looking for?
- Expert in Java, RxJava, ReactJS, Kotlin
- Good working knowledge of design patterns & OOAD
- Excellent analytical and problem-solving skills
- Hands on experience in writing Android applications
- Built and managed apps with over 1 million users
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
- B.E/M.C. A Or B.C.A Degree in Computer Science, Engineering, MIS, Or Similar Relevant Field
- Strong Knowledge of 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 The Use of Additional Sensors, Such as Gyroscopes and Accelerometers
- Knowledge of The Open-Source Android Ecosystem and The Libraries Available for Common Tasks
- Ability to Understand Business Requirements and Translate Them into Technical Requirements
- Familiarity with Cloud Message APIs And Push Notifications
- A Knack for Benchmarking and Optimization
- Understanding of Google’s Android Design Principles and Interface Guidelines
- Proficient Understanding of Code Versioning Tools, Such as Git
- Familiarity with Continuous Integration - Good Knowledge of Kotlin.
- At Least Publish 3-4 Application in the Play Store
- Knowledge of Cross-Platform And iOS Development Will Be an Advantage.
- Knowledge of health care and e-commerce domain will be good.
Job Description
We are looking for frontend web developers passionate towards building high-performance web applications who can carry out the responsibilities of the core tech team. It's an ideal opportunity for self-driven individuals who love to find innovative solutions.
Daily Responsibilities
- Build cutting edge application using React Native
- Build high quality, performance applications with a good understanding of code organisation.
- 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.
- Maintain code and write tests to ensure the product is of the highest quality.
- Application deployments on app store and play store.
- Taking the responsibility and ownership of the given tasks.
Requirements
- Firm grasp of the TypeScript language and its nuances, including ES6+ syntax
- Ability to write well-documented, clean TypeScript code
- Rock solid at working with third-party dependencies and debugging dependency conflicts
- Knowledge of object-oriented programming
- Familiarity with native build tools, like XCode, Gradle(Android Studio/IntelliJ)
- Understanding of REST APIs, the document request model, and offline storage
- Experience with automated testing suites, like Jest/Mocha
- Minimum work experience of 1.5-2 years












