
About Gymnage Labs Pvt. Ltd.
About
At Gymnage Labs, we are building the next level software for gyms. Wether it is building web apps to help gyms streamline their operations or building mobile apps to drive customer engagement and retention, we live and breath to help gyms serve their customers better.
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JOB DETAILS:
- Job Title: Lead II - Software Engineering- React Native - React Native, Mobile App Architecture, Performance Optimization & Scalability
- Industry: Global digital transformation solutions provider
- Experience: 7-9 years
- Working Days: 5 days/week
- Job Location: Mumbai
- CTC Range: Best in Industry
Job Description
Job Title
Lead React Native Developer (6–8 Years Experience)
Position Overview
We are looking for a Lead React Native Developer to provide technical leadership for our mobile applications. This role involves owning architectural decisions, setting development standards, mentoring teams, and driving scalable, high-performance mobile solutions aligned with business goals.
Must-Have Skills
- 6–8 years of experience in mobile application development
- Extensive hands-on experience leading React Native projects
- Expert-level understanding of React Native architecture and internals
- Strong knowledge of mobile app architecture patterns
- Proven experience with performance optimization and scalability
- Experience in technical leadership, team management, and mentorship
- Strong problem-solving and analytical skills
- Excellent communication and collaboration abilities
- Proficiency in modern React Native development practices
- Experience with Expo toolkit and libraries
- Strong understanding of custom hooks development
- Focus on writing clean, maintainable, and scalable code
- Understanding of mobile app lifecycle
- Knowledge of cross-platform design consistency
Good-to-Have Skills
- Experience with microservices architecture
- Knowledge of cloud platforms such as AWS, Firebase, etc.
- Understanding of DevOps practices and CI/CD pipelines
- Experience with A/B testing and feature flag implementation
- Familiarity with machine learning integration in mobile applications
- Exposure to innovation-driven technical decision-making
Skills: React native, mobile app development, devops, machine learning
******
Notice period - 0 to 15 days only (Need Feb Joiners)
Location: Navi Mumbai, Belapur
Senior Mobile App Developer (Android & iOS)
Location: Brookefield, Bangalore — Onsite
Engagement: Full-Time
Experience: 3+ Years
Job Description
We are seeking a highly skilled Senior Mobile App Developer/Consultant with strong hands-on experience in building, deploying, and maintaining mobile applications for both Android and iOS, with React Native as the primary development framework.
The ideal candidate must be proficient with React Native, Android Studio, Xcode, and the end-to-end iOS App Store deployment process. This is an onsite, full-time role suitable for professionals who can take ownership and deliver high-quality product-based mobile applications. Experience in product companies or the banking/fintech domain is a strong advantage.
Primary Tech Stack (Mandatory)
React Native (Primary Framework)
Android Studio (Java/Kotlin)
Xcode (Swift/Objective-C)
RESTful APIs & Integration Patterns
App Store & Play Store Deployment Processes
Key Responsibilities
Design, develop, and maintain mobile applications using React Native for both Android and iOS.
Work with native modules when required using Swift/Objective-C and Java/Kotlin.
Build and release iOS apps to the Apple App Store, including managing certificates and provisioning profiles.
Debug, troubleshoot, and enhance mobile applications.
Optimize app performance, stability, and responsiveness.
Collaborate with product, backend, and QA teams for smooth development workflows.
Apply best practices in UI/UX, security, and mobile architecture.
Prepare documentation and provide technical guidance as needed.
Required Skills & Qualifications
3+ years of hands-on mobile development experience.
Mandatory: Strong proficiency in React Native.
Hands-on experience with Android Studio and Xcode.
Expertise in Swift, Objective-C, Kotlin, or Java.
Proven experience in building and publishing iOS apps to the App Store.
Strong understanding of RESTful API integrations.
Good knowledge of mobile UI/UX principles.
Strong debugging and problem-solving abilities.
Ability to work independently and deliver within timelines.
Nice to Have
Experience with Flutter or native-only app development.
Product-based company experience.
Exposure to Banking / FinTech systems.
Understanding of App Store Optimization (ASO).
Work Details
Location: Brookefield, Bangalore (Onsite)
Working Days: Monday to Saturday (Alternate Saturdays Off)
Timings: 9:00 AM – 6:00 PM
● Would work on our Flutter codebase writing cross platform code for both
Android and iOS.
● 🎨 Work closely with product and design to create amazing user experiences.
● 🐜 Watch out and fix production issues, and target on running a smooth
experience.
● 📈 With the help of the rest of the team, you maintain a great app with few bugs
and trustable analytics: KPIs, logs, crash logs, boards.
Above all, you would be the owner of the app side of things. Drive it to success. That
will be the goal.
We are tech/language agnostic when it comes to developers, so the only hard
requirement is to be smart and passionate. That being said, having the skills below will
be an advantage:
● Experience working with Flutter and/or Dart
● Experience with React/React Native (makes it easier to pick up flutter)
● Experience with Native app development (sooner or later you might get to a point
where you need to write native modules as well)
- Experience in integrating with various SDKs like Swift
- Significant experience working with react native along with tools like Flux, Flow, Redux, etc.
- In-depth knowledge of JavaScript, CSS, HTML, functional programming, and front-end languages
- Strong knowledge of React fundamentals such as Virtual DOM, component lifecycle, and component state
- A complete understanding of the full mobile app development lifecycle right from prototyping
- Knowledge of type checking, unit testing, typescript, prop types, and code debugging
- Experience working with REST APIs, document request models, offline storage, and third-party libraries
- Strong understanding of web technologies like JavaScript, HTML, and CSS
- Knowledge of user interface design and responsive designs
- Well-versed in a variety of React Native software and technologies such as Jest, Enzyme, ESLint, and so on
- Understanding of React Native best principles and design aesthetics
- A positive mindset and continuous-learning attitude
- A collaborative approach to building apps and solving complex problems
- Attention to detail and problem-solving skills
- Client-focused approach to create user-centric designs
- Good interpersonal and collaboration skills
- Ability to write clean, well-documented code that follows good coding practices
- Good in Agile development process.
- Excellent English verbal and communication skills.
- Should be able to handle the customer individually as needed
- Support the customer as and when required
2. 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)
3. Working on live projects depending upon their skill sets
4. Building front-end applications through appealing visual design components using React Native
Software Developer - React Native Developer
Job Description
A major part of our work at Cobold Digital LLP is getting businesses online. We provide efficient solutions to our clients in the fields of Website Design & Development & Website Maintenance. If you wish to work with a wide array of clients that depend on you to represent them online, our Website Development team is the right place for you.
We are looking for an experienced top-notch React Native Developer to grow with our dev team. As a React.js Developer, you will be involved from conception to completion with projects that are technologically sound and aesthetically impressive.
Responsibilities
- Work as part of a small team to build React Native Applications for our clients.
- Architect, Build and maintain excellent React Native applications with clean codes.
- Implement pixel-perfect UI’s that match designs.
- Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
- Integrate third-party APIs.
- Write unit and integration tests.
- Release applications to IOS and Android platforms.
- Work with Native modules when required.
- Assist with building estimates.
- Attend daily standups
- Interact clients via google meet, Zoom, and Emails.
- Work with Modern tools like Jira, Bitbucket, Google Docs, etc.
Requirements
- 2+ years of Profession experience working with React Native.
- 3+ years of experience as Software Developer
- Experience with Swift,Objective C and Java is a plus but not required
- Must have experience on a large complex system
- Ability to take ownership of your work.
- Ability to manage multiple projects
- Undertaking of React Native best practices.Experience with JavaScript
- Experience with REACT
- Experience with HTML / CSS
- Experience with REST API's
- Git knowledge is a plusTeam player
- Good time-management skills
- Great interpersonal and communication skills
tl;dr
🤓 An early employee of an experienced team. A lot of impact and opportunities to learn or deepen new technologies like GPT3, Amazon Rekognition, FFmpeg and more.
💰 Fixed Salary + Stock-Options
About
Blend is an AI-driven graphic design tool for entrepreneurs that removes decision making to create professional-grade product catalogs. Entrepreneurs can now create product marketing material in a few seconds to stand out and sell better online. Instead of manipulating pixels, users edit objects. Deep learning models ensure the translation of pixels into objects.
What you'll do
Blend app, an AI-driven design tool, will help its users create stunning designs within seconds.
To help us get to our vision faster, we are looking for an Engineer to join us on our app development front. This developer:
- 👩💻 Would work on our Flutter codebase writing cross platform code for both Android and iOS.
- 🎨 Work closely with product and design to create amazing user experiences.
- 🐜 Watch out and fix production issues, and target on running a smooth experience.
- 📈 With the help of the rest of the team, you maintain a great app with few bugs and trustable analytics: KPIs, logs, crash logs, boards.
Above all, you would be the owner of the app side of things. Drive it to success. That will be the goal.
We are tech/langugage agnostic when it comes to developers, so the only hard requirement is to be smart and passionate. That being said, having the skills below will be an advantage:
- Experience working with Flutter and/or Dart
- Experience with React/React Native (makes it easier to pick up flutter)
- Experience with Native app development (sooner or later you might get to a point where you need to write native modules as well)
How we work:
- Team: you are humble, open to challenge, and like to help others grow. The most important is the progress of the team and the product.
- Impact: you can prioritize your time to build what will give users superpowers or wow them.
- Learning: learning and sharing knowledge makes you happy. At Blend, this holds true as a team, with machine learning, and with our users.
Hiring process:
3-steps process:
- Screening call
- Technical Interview
- Cultural fit interview with the founders
- Developing new user-facing features using React Native and React.js
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high-quality code
- Optimizing components for maximum performance across a vast array of devices and browsers
What is required
- 1+ years of experience
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Strong experience in React Native and/or React JS and their core principles
- Ability to take ownership of code as well as the end to end functionality
- Experience with popular workflows (such as Flux or Redux)
- Experience with middleware for API calling( such as Saga or Thunk)
- Familiarity with RESTful APIs
- Familiarity with modern front-end build pipelines and tools
- Experience with common front-end development tools such as Babel, Webpack, Yarn, NPM, etc.
- Familiarity
Responsibility:
- Building user friendly Android and iOS Apps on React Native platform.
- Designing state-less components in React Native. State management with any of Redux, mobX or Flux.
- Writing modular, reusable, maintainable, well documented and fully tested code.
- Converting designs to mobile applications.
- Integrating with Rest APIs, while collaborating with Backend deve.
- Take complete ownership of the apps and change various elements/ technologies as per business need.
- Ensure optimum speed, performance, quality and responsiveness of application
TUBR is working on Innovating Crowd Management on public transport. We are building the state of the art Time series Machine Learning Models to predict the crowds in public transport.
Job Description
We are looking for a React Native developer on a Full time contract basis, who is interested in building performant mobile app on both the iOS and Android platforms aligned with strong Agile Development methodologies. You will be responsible for 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 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
Skills
- Work as part of a small team to build React Native iOS / Android application
- 2+ years of experience in React Native development.
- Firm grasp of the JavaScript language and its nuances, including ES6+ syntax
- 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 XCode, Gradle, Android Studio
- Understanding of REST APIs, the document request model, and offline storage
- Experience with automated testing suites.
- Bachelor’s degree in Computer Science or related fields
- We are looking for a someone who is happy to work in a team or solo but must be confident working independently. (The team will be available to support but pairing won’t always be an option)






