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
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Job Title : iOS Developer (SDE-1)
Experience : 2+ Years
Location : Bangalore
Notice Period : Immediate to 15 Days Preferred
Working Days : 5 Days a Week
About the Role :
We are looking for a passionate and highly motivated iOS Developer (SDE-1) to join our engineering team. In this role, you will contribute to building and enhancing high-quality iOS applications that deliver seamless user experiences to millions of users. You will work closely with experienced developers, product managers, designers, and backend teams in a fast-paced and collaborative environment.
Mandatory Skills :
Swift, SwiftUI, iOS SDK, REST APIs, UIKit, Git, Mobile App Development, API Integration, Debugging & Performance Optimization.
Key Responsibilities :
- Develop and maintain high-quality iOS applications using Swift and SwiftUI.
- Collaborate with the iOS development team to understand and contribute to the app architecture, codebase, and overall functionality.
- Design, develop, test, and deploy new features and enhancements for the iOS application.
- Integrate RESTful APIs and ensure seamless communication between mobile applications and backend services.
- Participate in code reviews and follow best coding practices to maintain high code quality.
- Troubleshoot, debug, and optimize application performance to ensure a smooth user experience.
- Stay updated with the latest iOS development trends, frameworks, and technologies.
- Work closely with cross-functional teams including Product, Design, QA, and Backend Engineering teams.
- Contribute innovative ideas to improve application performance, scalability, and user experience.
- Support maintenance and enhancement of existing features and functionalities.
Required Skills & Qualifications :
- 2+ years of hands-on experience in iOS application development.
- Strong proficiency in Swift and SwiftUI.
- Good understanding of iOS SDK, UIKit, and mobile application architecture patterns.
- Experience with REST APIs, JSON parsing, and third-party library integration.
- Knowledge of version control systems like Git.
- Familiarity with app performance optimization and debugging tools.
- Understanding of software development lifecycle and agile methodologies.
- Strong problem-solving and analytical skills.
- Good communication and teamwork abilities.
Preferred Qualifications :
- Experience working on scalable consumer-facing mobile applications.
- Familiarity with CI/CD pipelines for mobile applications.
- Knowledge of App Store deployment and release processes.
- Exposure to unit testing and automation testing frameworks is a plus.
Interview Process :
- 1 Internal Interview Round
- 2 Client Interview Rounds
Job Title : Android Developer (SDE II)
Experience : 3 to 6 Years
Location : Mumbai (Work From Office) / Remote
Employment Type : Contractual Opportunity
Contract Duration : 6 Months + Extendable
Job Summary :
We are looking for an experienced Android Developer (SDE II) to join our Wealth and Asset Management platform team. The ideal candidate should have strong expertise in Kotlin, Android SDK, Android Studio, and modern Android architecture, with the ability to build high-performance and user-friendly applications.
Mandatory Skills :
Kotlin, Android SDK, Android Studio, Jetpack Compose, XML Views, Android Architecture Components (ViewModel, LiveData, Room, WorkManager), MVVM, REST APIs (Retrofit, OkHttp), Firebase Cloud Messaging (FCM), and CI/CD tools such as Jenkins, AWS, and Bitbucket.
Key Responsibilities :
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- Build responsive and high-quality user interfaces following Material Design guidelines.
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- Collaborate with cross-functional teams throughout the development lifecycle.
- Publish and maintain applications on the Google Play Store.
Required Skills :
- 3 to 6 years of experience in Android application development.
- Strong proficiency in Kotlin, Android SDK, and Android Studio.
- Experience with Jetpack Compose and XML-based View System.
- Knowledge of Android Architecture Components (ViewModel, LiveData, Room, WorkManager).
- Understanding of design patterns such as MVVM, MVI, MVP, Repository Pattern.
- Experience with REST APIs using Retrofit and OkHttp.
- Familiarity with Firebase Cloud Messaging (FCM).
- Knowledge of Material Design principles and Play Store publishing guidelines.
- Exposure to CI/CD tools such as Jenkins, AWS, and Bitbucket.
Preferred Skills :
- Full-stack development experience.
- Knowledge of UI/UX best practices.
- Experience with Google Play Store release and deployment processes.
- Ability to work independently and as part of a team in a fast-paced environment.
- Experience with native development (iOS/Android).
- Worked on deep linking in mobile apps
- Hands on experience in Bridging Native code base to react native.
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- Min 3 years of mobile development experience, with Flutter & Dart.
- Proven ability to build and scale real-time, high-performance fintech applications.
- A sharp eye for stunning UI/UX design that balances aesthetics with seamless functionality.
- Mastery over state management solutions (Provider, Riverpod, BLoC, or similar).
- Hands-on experience with real-time data streaming, push notifications, and WebSockets.
- Strong expertise in security, encryption, and compliance—you know fintech demands precision.
- A track record of integrating RESTful APIs, GraphQL, and third-party services into flawless mobile apps.
- A mindset that thrives under pressure—we work fast, and we expect results.
- Lead the development of world-class fintech mobile applications that redefine user expectations.
- Architect and optimize blazing-fast, low-latency Flutter applications for financial markets.
- Work with designers, backend engineers, and product teams to craft seamless, intuitive, and ultra secure user experiences.
- Solve hard problems at scale—whether it’s optimizing performance, reducing load times, or ensuring absolute security.
- Push the boundaries of mobile fintech innovation, from AI-powered insights to predictive analytics.
- Own your work end-to-end—no excuses, no hand-holding, just results.
Must-Have Skills:
- Min 3 years of mobile development experience, with 2+ years in Flutter & Dart.
- Proven ability to build and scale real-time, high-performance fintech applications.
- A sharp eye for stunning UI/UX design that balances aesthetics with seamless functionality.
- Mastery over state management solutions (Provider, Riverpod, BLoC, or similar).
- Hands-on experience with real-time data streaming, push notifications, and WebSockets.
Why Join Us?
- Work with some of the sharpest minds in fintech and mobile engineering.
- Build products that traders, investors, and financial professionals rely on daily.
- A culture that values bold innovation, fast execution, and pushing boundaries.
- Expect challenges, high expectations, and relentless pursuit of excellence.
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- Competitive compensation, performance-driven growth, and a real opportunity to lead and shape the future of fintech mobile applications.
Job Summary
Global Lancers is looking for an Android developer responsible for the development and maintenance of applications. 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.
Responsibilities and Duties
- Design, build, and maintain high performance, reusable, and reliable code
- Ensure the best possible performance, quality, and responsiveness of the application
- Identify and correct bottlenecks and fix bugs
Key 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
Required Experience and Qualifications
- Exp- min 3 years
- Knowledge of the libraries available for common tasks
- Familiarity with cloud message APIs and push notifications
- Understanding of Google’s Android design principles and interface guidelines
- Proficient understanding of code versioning tools, such as Git
At Cityflo, we are solving the problem of commuting to the office which affects employees in big, populated Indian cities every day. Cityflo provides a bus experience like no other - we run premium AC buses for daily commuters. We’re changing the way urban Indians commute and enabling everyone to reclaim hours of their time every day. Before the imposed lockdown due to coronavirus, we were serving about 7500 commuters per day. We plan to scale to 5,00,000 rides per day in the next 4 years in a profitable and sustainable manner.
We're looking for people who are passionate about creating great Android applications.
You've been around for a few API levels and you know how to delight Android users. You’ve got an eye for the beautiful Android design our users expect and an attention to detail down to the very last dpi. You know your way around the View hierarchy and are eager to partner with Product and Design to craft efficient, performant, and delightful user experiences. You like building for the long term and value patterns and structures that allow for maximum flexibility in a constantly evolving product.
You can read more about our engineering and culture on our blog: https://blog.cityflo.com/tag/engineering/" target="_blank">https://blog.cityflo.com/tag/engineering/
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- Bachelors/Masters degree in Computer Science, Engineering, or a related subject.
- Strong computer science fundamentals: data structures, algorithms and programming languages
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- Familiarity with design concepts and constraints on mobile platforms.
- Extensive understanding of Android framework components and their respective lifecycles
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- Open Source contributions & participation in programs like Google Summer of Code are a plus.
- Have published one or more Android apps on the Play Store.
- Dependency injections: Dagger, Koin.
- Multi-threading and coroutines in Kotlin/Rxjava.
KeepTruckin is on a mission to modernize the trucking industry. With the leading fleet management platform, we are bringing trucks online and fundamentally changing the way freight is moved on our roads.We see our hard work rewarded in tangible ways every day and we believe that intelligence is most powerful when paired with humility. We're motivated by the opportunity to impact and improve every facet of a trillion-dollar industry that touches everyone's lives. KeepTruckin is proud to be a Forbes Cloud 100 company, a 2020 Career-Launching Company by Wealthfront and named a Forbes Best Startup Employer 2020.About the
Role:
As one of our first mobile engineers in Bangalore, this is a great opportunity to make a significant impact in designing and building our new KeepTruckin Fleet Manager Android app and as well as grow by working directly with experienced technology professionals with backgrounds from Silicon Valley companies like Google, Twitter, Facebook and Uber (to name a few). We are looking for candidates who have a familiarity with Java and Kotlin, and a good understanding of system architectures (MVC, MVVM, Redux) and a forward thinking mindset aimed at high readability (declarative) code, as well as identifying problems or bottlenecks before they become issues.
What You'll Do:
Develop from scratch our new Android KeepTruckin Fleet Manager AppWork with product team to refine feature specs, and work with cross functional teams like IoT, Embedded, Data Science/ML, Computer Vision & Motion teams to create fluid user experiences with interactive visualization for a multitude of data from these different teamsCommunicate with backend engineers about API requirements or refinements, and engage with the senior engineers for mentorship to learn & grow in your areas of interestAnalyze our user's data to identify bugs, and help support team to diagnose user problemsBe able to work as part of a small, tightly knit team
What We're Looking For:
2-4 years of experience working on Android apps with a deep understanding of Android SDKsProficiency in Java, Kotlin, Android lifecycle, custom views, database/persistenceAn understanding of Android UI/UX and application design paradigms. An appreciation and understanding of automated app testingKnowledge in RxJava2, Dagger2, and knowledge or interest in commercial vehicles/trucking is a plus!
Creating a diverse and inclusive workplace is one of KeepTruckin's core values. We are an equal opportunity employer and welcome people of different backgrounds, experiences, abilities and perspectives.Please review our Candidate Privacy Notice here. ( https://drive.google.com/file/d/1Xs7GivrHCj05XC6-mn6MsRGG3V5AcgZ5/view?usp=sharing )

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- Working on back-end development tasks and designing architecture for the same.
- Performing research and find opportunities to utilise web development best practices, forming guidelines to improve system productivity, and working on scaling and monitoring.
- Working with cross-functional teams to maintain and make sure the product should be scalable, maintainable and secure.
- Coordinating with multiple junior team members for the development of the tasks & projects
- Developing user interface components and implementing them following well-known React.js workflow.
- Architecting the application out in clean MVC kind of architectures in ReactNative for Android/ iOS app development.
- Developing APIs with MVC frameworks in Java / Python.
- Designing and building REST APIs.
- Building on and maintaining services on cloud platforms.
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What you need to have:
- Bachelor's degree in Computer Science or related field.
- 1+ years of experience working as Android or React Native development
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- Strong computer science fundamentals.
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- Willingness and enthusiasm drive to learn new technologies.
- The ability to pick the right tools for the job.
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