What you will be Doing
- Design and build applications for the Android platform
- Ensure the performance, quality, and responsiveness of applications
- Collaborate with a team to define, design, and ship new features
- Identify and correct bottlenecks and fix bugs
- Help maintain code quality, organization, and automatization
What you need
- Expertise with Java, XML, and Material Design
- Experience with offline storage, threading, and performance tuning
- Familiarity with RESTful APIs to connect Android applications to back-end services
- Experience with Firebase is a plus (FCM, analytics) - Understanding of Android’s design principles and interface guidelines
- Strong communication skills, get-things-done attitude, and empathy
- Strong sense of ownership, drive and obsessive attention to detail. - Comfortable with iterative development practices and code reviews
- Previous experience as part of a product-oriented team is a plus
Why you should consider this role seriously?
- We have an audacious vision of helping companies fight counterfeiting and managing their supply
chain more efficiently
- We have built a product and solved problems for some of the largest brands in the country and
tested platform at scale (With our tags present in over 50 Million products already). We have plans to
grow 10x in the next 1 year
- Ownership of key problems. Fast-paced environment
- We are a well-balanced team of experienced entrepreneurs and are backed by top investors across
India and the Silicon Valley (Venture Highway, Startup Buddy etc.) - Competitive market salary
- Opportunity to work directly with the CEO, COO, CTO of the company
- A chance to interact with top-notch executives from multiple industries
- Open vacation policy (and we really mean it!) - Open Pantry
- As a team, we love to travel :). An off-site every quarter

About O4S
About
Connect with the team
Similar jobs
The ideal candidate will be responsible for developing high-quality applications. They will also be responsible for designing and implementing testable and scalable code.
Responsibilities
Develop quality mobile and web applications
Design highly scalable, testable code
Discover and fix programming bugs
Qualifications
Bachelor's degree or equivalent experience in Computer Science or related field
Development experience with programming languages
Hands on knowledge of dart would be great
Hands on knowledge of flutter would be great
Experience with the BLOC design pattern would be a big plus
Working knowledge of API integration
Experience with Flutter 2.0 for building both web and mobile applications would be a big plus
You can contact me - nine three one six one two zero one three two

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
Skills:
- Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
- Kotlin, Java
- Important libraries include Dagger, RxJava, Realm
- MVVM Clean Architecture
- 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
- 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
ApnaComplex is one of India’s largest and fastest-growing PropTech disruptors within the Society & Apartment Management business. The SaaS based B2C platform is headquartered out of India’s tech start-up hub, Bangalore, with branches in 6 other cities. It currently empowers 3,600 Societies, managing over 6 Lakh Households in over 80 Indian cities to effortlessly manage all aspects of running large complexes seamlessly.
ApnaComplex is part of ANAROCK Group. ANAROCK Group is India's leading specialized real estate services company having diversified interests across the real estate value chain.
If it excites you to - drive innovation, create industry-first solutions, build new capabilities ground-up, and work with multiple new technologies, ApnaComplex is the place for you.
Key job responsibilities-
- Work on features with end-to-end ownership of design, development, testing and take it to production.
- Working directly with developers and product managers to conceptualize, build, test, and release products.
- Work on bug fixing and improving application performance.
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
- Optimizing performance for the apps and keeping up to date on the latest industry trends in the mobile technologies.
Qualifications-
- Minimum of 1+ years of experience in Android Development
- Strong experience in Kotlin.
- Good understanding on using networking libraries like Volley, Retrofit, OKHttp and jetpack libraries
- Strong knowledge of computer science, algorithms, data structures and design patterns.
- Hands-on experience with Android’s debugging, unit testing, app security, and performance optimization tools.
- Experience with third-party libraries and APIs
- Solid understanding of the full mobile development life cycle.
- Proficiency at object-oriented programming and multi-threading
- Experience with data storage using SQLite, Room
- Experience in creating custom components
- Familiarity with Git and Continuous Integration
Locations: Bangalore
Quick Glances:
- https://www.apnacomplex.com/why-apnacomplex">What to look for at ApnaComplex
- https://www.linkedin.com/company/1070467/admin/">Who are we A glimpse of ApnaComplex, know us better
- https://www.apnacomplex.com/media-buzz">ApnaComplex - Media – Visit our media page
ANAROCK Ethos - Values Over Value:
Our assurance of consistent ethical dealing with clients and partners reflects our motto - Values Over Value.
We value diversity within ANAROCK Group and are committed to offering equal opportunities in employment. We do not discriminate against any team member or applicant for employment based on nationality, race, color, religion, caste, gender identity / expression, sexual orientation, disability, social origin and status, indigenous status, political opinion, age, marital status or any other personal characteristics or status. ANAROCK Group values all talent and will do its utmost to hire, nurture and grow them.
• Strong understanding of Flutter. Experience with other frameworks like React Native,
SwiftUI, Jetpack Compose is acceptable.
• Good knowledge of Rendering engines in Flutter, Browser, iOS, Android
• Experience in CMS such as Sanity, AEM
• Good understanding of RESTful APIs, GraphQL and Web Sockets
• Ability to debug and profile Web/Mobile applications with Chrome DevTools or Native
profilers
• Deep understanding of Reactive programming with libraries like MobX, BloC
• Exposure to SOLID Domain Driven Design, principles
• Exposure to Style Guides, Atomic Design, Design Systems
• Strong visual acumen to detect cosmetic defects ensuring
• Exposure to Design tools like Sketch, Figma, Adobe Creative Suite or Affinity Designer
• Deep knowledge of at least 2 different programming languages from JavaScript, Dart, Ruby,
Python, Go, Rust, Typescript, C#, Kotlin, Java, Haskell, OCaml
• Exceptional verbal and written communication
• A mindset to constantly learn new things and challenge the Status Quo.
Experience
• 8 - 15 years of experience building Front End Applications on different technologies
• At least 5 years of experience building React and/or Mobile Applications
• Preferably worked in the Finance/Retail domain or other similar domains with complex
business requirements.
Education
• Bachelors in Computer Science or equivalent education covering Math, Algorithms, Data
Structures, Networking, Databases, Operating Systems, Graphics
• Nice to have a Post-Graduate degree in Computer Science
Demonstrable Passion
• Contributed to one or more Open Source projects
• Actively maintain one or more Open Source projects
• Blogging on Frontend or related topics
• Authored books, videos on Frontend or other topics
• Speaking engagements at Meetups or Conferences
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.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Transition existing React web apps to React Native. (For Experience candidates)
• Maintaining code quality with the industry standard
Skills
• 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 XCode, Gradle (Android Studio, IntelliJ)
• Understanding of REST APIs, the document request model, and offline storage
• Experience with automated testing suites, like (Jest or Mocha)
Experience required: 1 years to 3.5 years
Indore
Work from Office only
___
Responsibilities
- Design and build advanced 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
Requirements
- BS/MS degree in Computer Science, Engineering or a related subject
- Proven software development experience and Android skills development
- Proven working experience in Android app development and
- Have published at least one original Android app
- Experience with Android SDK
- Experience working with remote data via REST and JSON
- Experience with third-party libraries and APIs
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
- Solid understanding of the full mobile development life cycle.
- 2-5 years of experience in the Android ecosystem
- knowledge UPI based apps
- Payment Gatway
- Solid understanding of Android SDK and Android architecture
- Strong OOPs fundamentals, Java, XML, JSON, Web Services, SQLite databases
- Proficient with developing optimized UI for different android versions and devices
- You should have released a few apps on the play store or at least have a working prototype of something which you are proud of
- You love to write beautiful code
- Strong analytical and troubleshooting skills
- You are resourceful, innovative, and inventive
- You have experience writing unit tests
Rajasthan Studio is looking for young and bright minds for its upcoming innovative, never-experienced-before app platform for virtual art experiences.
Job Description -
We are looking for programmers with a keen eye for design and performance for the position of Flutter developer. Flutter developers are responsible for ensuring the alignment of design and user experience requirements, optimizing applications for maximum efficiency, and maintaining brand consistency across the application, among other duties.
Flutter developers are required to work in teams alongside back-end developers, graphic designers, and user experience designers to ensure all elements of application creation are consistent. This requires excellent communication and interpersonal skills.
Responsibilities -
- Design & implement new app modules based on the product requirements using the Flutter framework
- Maintain existing codebases
- Build reusable code and libraries for future use
- Integrate user-interfaces elements developed by other developers
- Build user interfaces designed by UI/UX designers
- Integration of data storage solutions
- Integrate various third party/in-house APIs
- Debug existing apps components, fix issues and avoid regressions
- Collaborate closely with the teams of PMs, QAs, and other developers
- Participate in software architecture, design discussions, and code reviews
- Optimize application for maximum speed and scalability
Skill & Qualifications -
- Desire to work in a startup environment, able to self-manage and work remotely (when required)
- Must have built at least one Android and/or iOS apps with Flutter
- Proven Working experience in software / mobile development - Android or iOS
- Experience with third-party libraries and APIs
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
- Solid understanding of the full mobile development life cycle, including automated testing and building
- Familiarity with SQL/NoSQL databases and their declarative query languages
- Proficient understanding of code versioning tools, such as Git / Mercurial
- Understanding of the Agile development life-cycle
- Ability to write readable code, create extensive documentation for existing code, and refactor the previously written code into a readable state.
- Must have built at least two Android and/or iOS apps with Flutter.
- Working experience of 3 + years in mobile development.
- Have published one or more mobile apps in Google Play / App Store or available on Github.
- Experience with third-party libraries and APIs.
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies.
- Solid understanding of the full mobile development life cycle, including automated testing and building.
- Experience working in an agile development process.
- Work experience in Android Studio (JAVA/KOTLIN)/xCode(Swift) is an advantage.
- Be proficient in using version control and continuous integration.
Responsibilities:
- Create multi-platform apps for iOS/Android using Flutter Development Framework
- Micro code enhancements within mobile platforms like android/iOS Flutter widgets for iOS and Android.
- Participation in the process of analysis, designing, implementation and testing of new apps
Beneficial:
- Familiarity with web application development and different client-server communication protocols.
- Knowledge on iOS distribution profiles and certificates for App store distribution
- UI/UX tools experience
- Desire to work in a startup environment, able to self-manage and work remotely
- Good communication skills in English








