


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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Minimum Requirements:
- 6+ years of experience in Software Development and writing Unit tests for Mobile Apps
- Excellent designing, debugging and programming skills in an Object oriented programming language like C#, Java, javascript, Swift, Dart etc.
- Experience with Native Mobile development (Android or IOS) and Cross-Platform mobile development (preferably Flutter)
- Solid understanding of SOLID principles
- Strong knowledge of writing code for testability, modularity and extensibility
- Knowledge of test methodologies and corresponding unit test framework tools like JUnit etc.
- Excellent communication and organizational skills.
Good to have
- Experience working with BloC Pattern and Dependency Injection
- Knowledge of Eventing based programming patterns.
- Exposure to integrating Performance, Analytics, Attribution tools
- Experience of using Flavors in application development
- Knowledge of Multi-module development in Flutter (ex- via Melos)
Responsibilities:
- Work with the product team and drive design, development and delivery of new features.
- Investigate and fix issues referred to by the support team. Write code to automate tests to automate regressions.
- Work on improving stability, debuggability, testability of existing functionalities/modules/components
- Integrate REST and GraphQL APIs and consume in app.
- Serve as a technical lead for the team
- Mentor team members



React Native Developer Job Description
We are searching for a brilliant, flexible React Native Developer to create novel Android / IOS apps that meet the needs of our target audience.
To this end, the React Native Developer's Responsibilities include writing and proofreading code, liaising with coworkers within and outside of their department, and monitoring customers' feedback. Over time, you will also be required to create app updates.
To ensure success as an React Native Developer, you should demonstrate proficiency in one of the mainstream programming languages, and a sound understanding of the traditional product life cycle.
An exceptional React Native Developer will be fearless but respectful in the pursuit of excellence, continually striving to shape the
ways in which Android/ IOS apps impact the world around us.
React Native Developer Responsibilities:
Conceptualizing and formulating apps that are suitable for use on all types of Android/lOS devices.
Implementing measures to safeguard users' data.
Ensuring that the construction and presentation of your apps are congruent with the company's standards.
Proofreading your code and correcting mistakes before each app is released.
Collaborating with Ul and UX Designers, as well as Software Testers, to ensure that each app is presentable and in perfect working order.

We are looking for an Android Developer who possesses a passion for pushing
mobile technologies to the limits. This Android app developer will work with their US-
based counterpart to design and build the next generation of our mobile applications.
This job requires both Android System and UI development competence.
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


Responsibilities : - Building a full stack project, a React Native application - Set and enforce high code standards for all our React Native applications. - Be involved in feature requirements discussions. - 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. - 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. - Well-versed with the publishing process on AppStore and Play Store Requirement : - Built React Native applications from scratch. - Be familiar with both iOS & Android design patterns. - Experience in JavaScript and TypeScript or ClojureScript language and its nuances, including ES6+ syntax, JSx & StyleSheet. - Knowledge of functional or object-oriented programming |

About Maxpay, Our goal is to make digital payments so easy, safe, and universally accepted that people never feel the need to carry cash or cards again. We believe India is at the cusp of a new mobile revolution, which will change the way we manage our money on the go. We see ourselves facilitating this change, through technology and dogged customer-centricity.
At Maxpay, we take extra care to make sure you give your best at work, Every day! And creating the right environment for you is just one of the things we do. We empower people and trust them to do the right thing. Here, you own your work from start to finish, right from day one.
Being enthusiastic about tech is a big part of being at Maxpay,.
If you like building technology that impacts millions, ideating with some of the best minds in the country, and executing your dreams with purpose and speed, join us!
At Maxpay, we are looking for skilled Android developers who are passionate about solving digital payment problems for over a billion Indians.
Requirements:
- Strong passion for Programming in general and Android App development in specific.
- Strong problem-solving skills.
- Strong system design and architecture skills - specifically for android.
- Curiosity to tinker around, explore new paradigms, and strong zest for continuous improvement.
- Over 3+ years of Android App development experience with strong basics and complete exposure to Android development.
- Idea/experience of unit and instrumentation testing in Android E2E App development and/or experience of developing SDKs is good to have.
- 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
- Proven work experience in design patterns mobile architecture using frameworks such as MVVM/MVC/MVP
- Strong knowledge of Android UI design principles, patterns, and best practices
- Experience with offline storage, threading, and performance tuning
- UPI knowledge
- 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

Job Position : Android Developer
> Must have experience on E-Com project
> Ability to handle a team of 5-10 people
> Intl. Payment Gateway Exp
> Ready to work on tight deadline
> Deep knowledge of Android

We are looking for someone having 4-7 years of experience in Android development with good work experience in writing & debugging Android applications, experience in OOPs fundamentals, Java, Kotlin, SQLite, MySQL database management system.
Responsibilities
- Be involved in all aspects of development: playing a critical role in design, planning, development and deployment and help develop best practices for future development.
- Fast prototyping of proof-of concept features/applications based on a brief.
- Develop and maintain new features in Mobile Application development.
- Own the delivery of an entire piece of a system or application.
- Use technical knowledge and creative thinking to provide the most innovative solutions.
- Optimize the performance of the apps and keeping up to date with the latest industry trends in mobile technologies.
Technical Skills
- Comprehensive understanding of Android application architecture, Activities, Services, Intents, Content.
- Strong Kotlin development experience
- Strong OO design and programming skills in Java (J2EE/ J2ME)
- Familiar with the Android SDK and Studio.
- Experience in web service integration (SOAP, REST, JSON, XML) is desired.
- Architecture: MVP, MVC.
Non-Technical Skills
- Must have excellent oral and written communication skills
- Must be dedicated to delivering high-quality work and adhering to timelines
- Must be a good team player, good learner and a self-starter
- Must have the ability to work independently
- Must have good analytical and problem-solving skills

Mandatory: Hands on experience working with Java or Kotlin. Very strong logical skills. Good hold on operating system concepts and data structure. Experience with web services , SQL Lite , camera kit , image caching concepts, keychain , past experience working with one of the design patterns like MVC / MVVM / MVP , network check implementation.
Good to have: Rx-Swift experience , video / image filter experience , media player usage , complex UX effects , couch-db , RealM.Knowledge of GIT management , Continuous Integration and Continuous Development practices.
Soft Skills: Strong communication skills , high spirited , eager to learn , able to perform in a high pressure environment

- BE/B.Tech or ME/M.Tech in Computer Science.
- Must have “Can Do Attitude” towards work
- Must have work exp of 1-2 years
- Proficient in Android and must have hands on exp in Kotlin
- Ability to write clean code and maintain it
- Must have worked in product based company
- Ready to work in a startup and adaptable to a dynamic environment
- Ready to learn new frameworks and services as per requirements.
- Good at programming basics, OOPs concepts, data structures, algorithms and
networking
- Must worked on kotlin, Android’s MVVM model, data binding, retrofit networking library,
service worker, job schedulers, firebase services, firebase notifications, navigation
component, object box/realm
Required Skills
- Experience in any good product based startup
- Experience in adding enhancements to complex app
- Good debugging and programming skills
Responsibilities:
- Learn Kotlin, Android’s MVVM model, data binding, retrofit networking library, service
worker, job schedulers, firebase services, firebase notifications, navigation component
and object box/realm databases thoroughly and use leanings to implement features and
enhancements.
- Follow latest trends in Android and learn from team



