- To Design and Develop Customer Focused Friendly Native Mobile App with good data security, good optimization, good ui ux, good performance

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Position: Senior React Native Developer (4- 7 years)
Location: Remote (Company in Mumbai)
Company: Big Rattle Technologies Private Limited
Immediate Joiners only.
Summary:
We're looking for a seasoned React Native developer who has shipped production-grade mobile apps on both iOS and Android — ideally in the high-traffic, high-stakes world of e-commerce. You'll own the mobile experience end-to-end: architecture, performance, and flawless UX across devices.
Note: We are looking for a senior expert who has delivered multiple apps that are built from scratch and hosted on Apple Store/ Play Store i.e. e2e lifecycle.
KEY RESPONSIBILITIES
- Design and build scalable React Native apps for both iOS and Android from scratch to App Store / Play Store deployment.
- Architect complex e-commerce flows — product catalogues, cart, checkout, payment gateway integration, and order tracking.
- Optimize app performance: reduce TTI, maintain smooth 60fps animations, and manage memory on low-end devices.
- Integrate REST and GraphQL APIs; manage state with Redux Toolkit, Zustand, or React Query.
- Implement push notifications, deep linking, in-app navigation, and offline-first strategies.
- Write clean, well-tested code; maintain CI/CD pipelines using Fastlane, GitHub Actions, or Bitrise.
- Collaborate with designers, backend engineers, and product managers in Agile sprints.
- Conduct code reviews and mentor junior mobile developers.
Required Skills:
Core Mobile
▸ React Native CLI & Expo
▸ TypeScript
▸ React Navigation v6+
▸ iOS (Swift basics) & Android (Kotlin basics) ▸ Xcode & Android Studio
E-commerce & Integrations
▸ Product / Cart / Checkout flows
▸ Razorpay, Stripe, PayPal SDKs
▸ Wishlist, search UX, filters
▸ Order tracking & delivery status
▸ Push notifications & deep linking
State & Data
▸ Redux Toolkit / Zustand
▸ React Query / SWR
▸ REST & GraphQL APIs
▸ AsyncStorage / MMKV
▸ Firebase Realtime DB / Firestore
DevOps & Tooling
▸ Fastlane & GitHub Actions / Bitrise
▸ Jest (unit) & Detox (E2E)
▸ Firebase Crashlytics & Sentry
▸ Flipper / Reactotron
▸ App Store & Play Store deployments
Nice to Have skills: New Architecture · RN Web · AR try-on · RTL support · Shopify SDK · WCAG · Maps SDK
- React Native New Architecture (JSI / Fabric / TurboModules)
- React Native Web or monorepo setups (Nx, Turborepo)
- AR product try-on experiences (ARKit / ARCore)
- Shopify Storefront API or WooCommerce SDK experience
- Accessibility (WCAG mobile) implementation
- Live order-tracking maps (Google Maps / Mapbox)
Required Qualifications:
- Bachelor’s degree in Computer Science, Engineering, or a related technical field.
Why should you join Big Rattle?
Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for international and Indian clients from various industries like FMCG, Banking and Finance, Automobiles, Ecommerce, etc. We also specialise in Product Development for our clients.
Big Rattle Technologies Private Limited is ISO 27001:2022 certified and CyberGRX certified.
What We Offer:
- Opportunity to work on diverse projects for Fortune 500 clients.
- Competitive salary and performance-based growth.
- Dynamic, collaborative, and growth-oriented work environment.
- Direct impact on product quality and client satisfaction.
- 5-day hybrid work week.
- Certification reimbursement.
- Healthcare coverage.
A Delhi NCR-based Applied AI & Consumer Tech company tackling one of the largest unsolved consumer internet problems of our time.
We are a motley crew of smart, passionate and nice people who believe you can build a high-performing company with a culture of respect aka a sports team with a heart aka a caring meritocracy.
Position Overview:
As an Android Developer, you will have the exciting opportunity to work on developing, testing, and maintaining Android applications that deliver exceptional user experiences. Collaborating closely with cross-functional teams, you will play a key role in transforming ideas into functional and user-friendly applications that meet the needs of our customers.
Key Responsibilities:
● Participate in the entire application development lifecycle, from concept and design to testing and deployment.
● Write clean, efficient, and maintainable code following coding standards and best practices.
● Continuously research and stay up-to-date with the latest Android development trends, tools, and technologies.
● Assist in maintaining code repositories and version control using tools like Git.
● Collaborate with UI/UX designers to ensure seamless integration of design elements and optimal user experience.
Qualifications:
● Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience).
● Strong passion for mobile app development and a genuine interest in the Android platform.
● Solid understanding of Java and/or Kotlin programming languages.
● Basic knowledge of Android application architecture and components (Activities, Fragments, Services, etc.).
● Familiarity with development tools and frameworks such as Android Studio and Gradle.
● Adept problem-solving skills and the ability to think critically.
● Strong communication skills, both verbal and written.
● Prior experience with personal or academic Android projects is a plus.
● Knowledge of UI/UX principles and design patterns is a bonus.
We are looking for a Mobile Lead (IOS & Android) for one of the leading TMT bar manufacturers & suppliers in Kolkata.
Role - Mobile Lead (IOS & Android)
Experience - 5+ years
Location - Kolkata
Job Description :-
As a Mobile Lead, your primary responsibility is to oversee the development and maintenance of mobile applications for our organization.
Some of the key job responsibilities include :-
1. Leading the Mobile Development Team: You will lead a team of developers, designers who are responsible for building and maintaining mobile applications. You will be responsible for Coding, delegating tasks, setting goals and timelines, and overseeing the team's performance to ensure that the development process runs smoothly.
2. Developing Mobile Applications: You will be responsible for developing mobile applications for iOS and Android platforms, using a range of programming languages such as Swift, Java, Kotlin, and React Native. You will need to ensure that the application is scalable, user-friendly, and meets the specific requirements of the organization.
3. Collaborating with Stakeholders: You will be responsible for collaborating with various stakeholders in the organization, including product managers, project managers, designers, and other development teams to understand the requirements and objectives of the application. You will need to ensure that the application aligns with the overall product roadmap and meets the business objectives.
4. Ensuring Quality: You will be responsible for ensuring the quality of the mobile application, including testing, debugging, and fixing any issues that arise during the development process. You will need to
ensure that the application is free of bugs, runs smoothly, and meets performance and usability standards.
5. Keeping Up with Emerging Trends: You will need to stay up to date with the latest developments in mobile technology, and emerging trends in user experience and design. You will need to ensure that the mobile application is using the latest technologies and is in line with industry best practices.
6. Managing Project Budget: You will be responsible for managing the budget for mobile development projects, including resource allocation, vendor management, and contract negotiations.
Overall, the Mobile Lead is a critical role that requires a strong understanding of mobile development processes and the ability to lead a team to deliver high-quality mobile applications.
- Expert-level knowledge of developing Android based applications.
- Deep understanding of the internals of Android Frameworks.
- Good knowledge of OOPS concepts and JAVA.
- Familiarity with RESTful APIs to connect Android applications to back-end services.
- Experienced in building mobile applications that utilize web services.
- Experience with third-party libraries and APIs.
- Good knowledge of SQLlite database.
- Strong knowledge of Android UI design principles, patterns, and best practices
- Proficient understanding of code versioning tools, such as Git.
We are looking for an experienced mobile developer to join Triveous and help us in our journey to create world-class mobile products. She/He will be responsible for executing the entire mobile app development lifecycle. That includes understanding product requirements, writing requirement-related documentation, and writing high-quality code and tests.
You need to have a solid track record of building real-world mobile products that have been launched on the play/app store.
Since this is a remote role, you would need to be self-motivated and proactive in all the work that you do.
Main Responsibilities And Key Activities
- Build great native and cross-platform applications using industry best practices
- Analyze, debug and solve complex technical issues
- Write understandable, testable code with an eye towards maintainability.
- Break down high-level technical requirements into specific implementation stories
- Show ownership on project features
Qualifications And Professional Knowledge
- Should have at least 2 years of work experience in native Cross-platform frameworks like Flutter/React Native and Android
- Should have published one or more apps on the play/app store
- Must have strong expertise in programming languages like Kotlin or Dart
- Very strong in computer fundamentals, data structures, and database design.
- Strong verbal and written communication skills in English
- Location: Remote(Preferably located in India)
Responsibilities:
- Writing clean and efficient codes for Android applications
- Identifying and resolving bottlenecks, rectifying bugs and enhancing application performance.
- Collaborating with cross-functional teams to define and design new feature.
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
- Ability to brainstorm and come up with solutions to open ended problems.
- Ability to take ownership and drive initiatives end to end.
- Desire to learn and dive deep into new technologies on the job.
- Solid understanding of CS fundamentals-Operating Systems, Databases and Data Structure.
Knowledge and Skills:
- Prior experience as an Android Developer using Java, Kotlin, Android SDK, Android NDK
- Proficient understanding of code versioning tools such as Git
- Familiarity with RESTful APIs to effectively integrate Android applications
- Solid understanding of the full mobile development life cycle.
- Passion for products and aspiration to make a big impact.
- Solid engineering principles and clear understanding of data structures and algorithms.
- Expertise in implementation of custom UI components along with fabulous animations and write/understand Rest APIs
- Experience working with Google Maps, Social APIs, Geo-locations, Media permissions, SMS fetch, etc.
- Experience in memory management and in designing high- performance apps
Job description
Daily Doc Technologies LLC https://dailydoc.io was conceived to innovate and bring cutting edge technology in medicine. Our mission is to make patient care more efficient, effortless and minimise medical errors. We focus on bringing useful IT solutions in medicine.
With advancements in technology, communication in healthcare can be made seamless and effortless. Lack of effective communication is one of the main causes of medical errors and unwanted outcomes. Daily Doc Healthcare App brings the technology in today's complex medical environment to give healthcare providers tools needed to have effortless, reliable and secure communication. Designed by doctors and nurses, we strive to make our platform better every day. Honesty and Integrity are our core values. We strive to innovate in healthcare to bring about positive meaningful changes in peoples lives.
Preferred Experience:
- 2+ years of experience working with mobile development.
- At least 1 to 2 years experience in Flutter Development.
- Should have knowledge about chat applications and technologies like Socket.io and Websockets are highly preferred.
- Deployed at least 3 complete apps with REST APIs linked.
- Cross-platform mobile app developers who have developed mobile apps with familiarity with Flutter
- Have experience with Flutter for both iOS and Android. Knowledge of native technologies is a bonus. • Familiarity with linking RESTful APIs.
- Knowledge of modern authorisation mechanisms, such as JSON Web Token.
- Ability to understand business requirements and translate them into technical requirements.
- Firebase Auth, Dart, Bloc, Cubit, MVC, Socket.io, Websockets, Providers, Network Callm Web Support, Offline Apps, Local Storage (or Sqflite), Google Maps API, Google Material Design are the preferred tech stack.
- Know how to deal with different screen sizes.
- Experience with version control such as Git and GitHub.
- Native android requirements like Kotlin, XML, Android Life Cycle, crash reporting tools and usage tracking tools are a bonus
Responsibilities
- Design and Build sophisticated and highly scalable apps using Flutter.
- Translate and build the designs into high quality responsive UI code.
- Write efficient queries for core Data.
- Resolve any problems existing in the system and suggest and add new features in the complete system.
- Follow the best practices while developing the app.
- Document the project and code efficiently.
- Manage the code and project on Git in order to keep in sync with other team members and managers.
- Knowledge of different state management libraries like BloC, GetX,
About the company
Founded in - 2018
Website https://dailydoc.io
Total Employes- 5
Job Types: Full-time, Permanent
Salary: ₹300,000.00 - ₹1,000,000.00 per year
Speak with the employer
96-99-56-97-85
Starting out, we are building a platform to consult with our ‘Astro-advisors’ and engage in
wellness-focused activity-led content, called activity packs offered post consult. The packs will contain a wide range of activities like meditation, yoga, chants, affirmations, gratitude journaling, and other astrology related remedies. Over time we will expand to other advisors as well. A differentiated and highly trained supply and our content IP will be the two pillars of the business.
Team:
Aniket Lila, Co-Founder, CEO
• Investment Team at Nexus Venture Partners (largest homegrown VC in India, an early
investor in companies like Zomato, Snapdeal, Unacademy, Delhivery, Whitehat Jr, Postman, Druva)
• Corporate Development, Albertsons (2nd largest grocery store retailer in the US)
• BSc from Northwestern University, US
We are a team of 5 across product, content, ops, and business.
Progress:
We have closed a seed round from Nexus Venture Partners, Titan Capital (Snapdeal
founders) and high-value angels like Srini (Elance / Upwork), Ramakant (Livspace) and Vinay (President, Jio) and Farid (Sharechat). We are in stealth and currently building the first version of the product and hiring a kickass team.
Job Description:
We are looking for a hands-on lead mobile developer (iOS & Android) to join our core team with experience in building products from scratch into large-scale platforms and solving business problems leveraging new and innovative technology.
Roles and responsibilities:
● Design and build advanced applications for the React Native platform working
individually and in a team
● Work as per the defined project priorities and project schedules to complete the
assigned projects within allotted timelines
● Interact with the cross-functional team for the day to day development tasks and hurdles
● Adhere to agile development methodologies
● Maintain the quality and security of the assigned development tasks by applying the best design and development guidelines as defined in the project
Experience you MUST have:
● Extensive experience in React Native and Javascript programming, Advanced
Apps Development using progressive web technologies for both iOS & Android.
● Built progressive apps using GUI Camera, GPS API, Maps API, Services, and
SQLite database programming.
● Javascript IDE
● Using client apps for version control systems like SVN, Git, etc
● Code review tools/applications like Gerrit, code collaborator, JIRA
● Web services integration (SOAP, REST, JSON, XML)
● Working with third-party libraries, APIs and on projects run as per Agile
Methodology.
● Good knowledge in socket programming, device communication, Design
patterns, and writing unit test cases (This is a plus)
● Knowledge in In-App purchase, Push Notifications and publishing end-to-end apps
on Google PlayStore and Apple App Store.
● Experience in video streaming and call / chat-based products is a big plus
● Experience in working with global remote teams is a plus
Skills/mindset you MUST have:
● Product-first thinking - Break complex problems into implementable solutions with
an iterative mindset using the product
● Whole-brain problem solving - Uses right and left sides of the brain effectively -
Strong business judgment and analytical acumen with creative thinking
● Thrives in chaos - Comfortable with ambiguity but loves defining the boundaries
and parameters and getting shit done
● Communicate, care, inspire - Exceptional interpersonal and leadership skills - be
a leader and a team player
● Always push the bar - Strive for excellence in whatever you do, take ownership
and responsibility for outcomes
● Build fast, fail, learn, HUSTLE HUSTLE HUSTLE
● Want to have fun - if you are not happy and people around you are not happy, how
will we make the world a happier place? :)
● Curious and spiritual soul - Understanding of market and experience with
astrology, yoga, mediation, Art of Living, Isha Yoga would be a good plus
Why Astrology? $10B market with a target audience of 200M with 2M astrologers. Astrology is a 4,000-year-old trusted belief system which gives probabilistic insights into the future. People go to astrologers with problems (love and career majorly). They are at low points in their lives and are seeking help. They need guidance and motivation. Just like religion, astrology too gives us hope and brings positivity in our lives.
We want to bring a breath of fresh air to the industry and disrupt the industry using technology and product-first thinking. We want to build a trusted, positive, and relevant wellness brand for today’s audience and build the largest spiritual lifestyle brand in India.
About Telyport
Telyport is an emerging tech startup in the logistics space. We are building a robust hyperlocal distribution network that is affordable, convenient, and reliable for locals, SMEs, and large enterprises with a vision to bring local commerce online.
Job Description
We are looking for an Android developer responsible for the development and maintenance of applications aimed at a vast number of diverse Android devices. Your primary focus will be the development of Android applications and their integration with back-end services. You will be working along-side other engineers and developers working on different layers of the infrastructure. Therefore, commitment to collaborative problem solving, sophisticated design, and creating quality products is essential.
We never really thought that a college degree was the thing that you had to have to do well. We trust in team’s deliverables, smart & the hard work.
Responsibilities: Build & Maintain TELYPORT’s Android Stack
- Translate designs and wireframes into high quality code.
- Design, build, and maintain high performance, reusable, and reliable Java code.
- Ensure the best possible performance, quality, and responsiveness of the application.
- Identify and correct bottlenecks and fix bugs.
- Help maintain code quality, organization, and automatization.
Skills
- 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.
This is not your typical 9-5 job. If you are a hustler, passionate about what you do and would like to challenge yourself into new areas and arenas, look no further. You will have absolute creative independence in executing your roles while at the same time be chasing aggressive goals and targets to pursue and a highly competitive group of people to challenge and learn from.
Experience or College Educations don’t matter. What matters is your love & passion for building technology products. Compensation will be competitive with an option for ESOPs
Experience: 7 - 11 years
Talents from eComms Only
Role: Director Engineering (Mobile)
Key Skills: Java/Python, Android, iOS, Design Patterns, AWS, OOP, SDLC,Kotlin, Swift, Objective C, Cocoa
As a technical leader, you own the engineering vision and oversee the technical standards your team thrives on. As a manager of engineers, you coach and develop our promising, young talent and ensure their collective energy is applied effectively and efficiently to accomplish not only the organizational goals, but also their individual career goals.
- Own the development practices and standards for your team
- Own the technical architecture, drive engineering design and shoulder critical decisions
- Interface with Architects and technical leads to steer them to continuous Feature Improvements
- You have experience in managing, coaching software developers to help them level up
- You are able to weigh several and often conflicting constraints and make rapid decisions in a fast-moving and quickly-growing company
- You have a strong technical background, with 7+ years of experience with software engineering predominantly working on mobile applications (Android, iOS)
- Should have worked on at least one of these programming languages (Python/Java)
- You possess strong knowledge of Android, Java, JSON, Kotlin, Objective-C
- Excellent understanding of Android design patterns, Data Structures, Algorithms, iOS









