
1. Writing clean and efficient native Android applications
2. Proven knowledge of Android SDK, different versions of Android, and how to deal with
different screen sizes
3. Familiarity with RESTful APIs to connect Android applications to back-end services
4. Proven knowledge of Android UI design principles, patterns, and best practices
5. Experience with offline storage, threading, and performance tuning
6. Must have worked on integrating oAuth/JWT
7. Must have worked with Git
8. Understanding of SDLC process
9. Good to have knowledge of Jira
Key Responsibilities:
1. Writing clean and efficient native Android applications
2. Consuming web services/APIs for Android platform
3. Monitoring the performance of live apps and work on optimizing them at the code level
4. Identifying and resolving bottlenecks, rectifying bugs and enhancing application
performance
5. Integrating new features into the platform
6. Integrating payment gateways
7. Looking into any bug fixes post go live
8. Helping the junior developers

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Role Snapshot:
We are looking for a highly skilled Android Developer with 4-7 years of experience to join our team. The ideal candidate should have a strong understanding of Android development, be proficient in Kotlin, and have experience working with modern Android frameworks, architecture
patterns, and best practices.
What you’ll Champion:
- Design, develop, and maintain high-performance Android applications
- Collaborate with cross-functional teams to define, design, and ship new features
- Ensure the performance, quality, and responsiveness of applications
- Work with RESTful APIs and integrate third-party libraries and services
- Implement clean and maintainable code following best coding practices
- Optimise applications for performance and scalability
- Stay updated with the latest Android development trends, tools, and technologies
- Conduct code reviews, write unit tests, and ensure high code quality
- Troubleshoot, debug, and resolve production issues
What is needed for this role
- Strong problem-solving and analytical skills to tackle complex challenges in Android development, ensuring smooth performance and efficient memory management
- 4-7 years of hands-on experience in Android app development.
- Strong proficiency in Kotlin (Java knowledge is a plus.)
- Experience with Jetpack components, MVVM and Clean architecture, and dependency injection frameworks like Kotlin, Hilt, or Dagger
- Strong understanding of Android UI/UX principles and ability to create responsive layouts using both XML and Jetpack Compose.
- Experience with Room Database, Retrofit, Coroutines, and LiveData/Flow
- Knowledge of Gradle, Android Studio, and Firebase services.
- Experience with Git and code hosting platforms like GitHub or GitLab.
- Expertise in multi-threading, memory debugging, and performance optimisation for smooth, efficient applications.
- Experience with CI/CD pipelines is a plus.
- Experience with unit testing and UI testing frameworks such as JUnit, Espresso, or MockK is highly desirable.
- Experience with Jetpack Compose is a plus.
- Prior experience in publishing apps to the Google Play Store.
- Familiarity with mobile security best practices.
The company is building the platform to drive global careers for millennials from emerging economies
We work at the exciting intersection of the 2 hottest trends around - edtech & fintech!
And we love that we succeed as a business while powering the dreams of talented students!
Summary :
The company building the core engineering team and looking for an Android developer who can take ownership and deliver independently.
The best candidates will check all OR many of these boxes :
● 2+ years of experience in an engineering role
● Essential skills required are Java, Android Framework
● Good to have experience in Android Architecture components (MVVM), Kotlin & Dagger
● Experience with early-stage start-up & application published in Play Store is a plus
Why is this a great opportunity for the right candidate :
● Experienced founding team
● Right to win - The founding team knows the business & its secrets inside out. We are
starting with a significant head start and a precise plan of action
● Barriers to entry - This is a specialized play with natural barriers to entry, allowing for
significant value creation for all equity holders
● Backed by marquee global investors
● Exposure to all aspects of company building - exposure to investors, fund-raising,
decision making, building the team & culture
● All of the above perks of joining a high potential company very early, along with a
competitive market salary.
Good to have skills:
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Should have a positive approach with an urge to learn new skills. Should be innovative and ready to probe into new areas of business. Should be open to learn new technologies. Should be ready to work in a team |
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Should have a minimum of 3-4 years of relevant work experience. |
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Solution design documentation, development ownership, mentoring and driving the most comprehensive trade terminal for our super users for the iOS Mobile platform
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Ensuring the team adhere to the best industry technical practices and meet the business objective
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Ensuring responsiveness of the application
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Monitor reliability and performance metrics of the system to provide an impeccable experience to the user
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Co-ordinate with developers, testers and keeps the product manager well informed of the status of the development effort to senior managers
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Mentoring of the team
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Code review of team members and code quality ownership
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Collaborate with team, cross-functional teams to define and design new features
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Work with data sources, APIs, 3rd party SDKs
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Unit-test code for robustness, including edge cases, usability and general reliability
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Work on bug identification and fixing
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Troubleshooting and triage of field issues
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Improving application performance
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App management and monitoring on iTunes
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Produce high-quality code and experience with security implementation
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identifying risks implementing security patches procedures
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Continuously discover, evaluate, and implement new technologies to maximize development efficiency
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Keep abreast of new trends and best practices in mobile development
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B.E., B.Tech., M.C.A. or equivalent technical qualification in Computer Science,
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Engineering or a related subject
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7 to 10 years of proven software development experience in iOS development
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Experience in mentoring iOS developers
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Must experience with Swift
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Experience with Objective-C is a plus
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Experience working with remote data via REST and JSON must
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Experience with API integration, Third-party SDKs, Charts, Payment Gateway, Sockets is a plus
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Experience in HLD, LLD designing must
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Solid understanding of the full mobile development life cycle.
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Mobile Application security standards is a plus
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Experience in mobile app architecture, frameworks, design patterns must
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Experience in writing Unit Test cases is a plus
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Experience in performance measurement of application is plus
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Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
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Experience in using JIRA, TFS
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Experience of CI/CD pipeline with tools used for Code coverage, code bugs identification, test automation, GIT
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Experience in Firebase Crashlytics, Application Performance must
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Experience in driving scrum team and follow agile practices
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Fundamental knowledge of the BFSI sector is a plus
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Strong communication skills
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Project Estimation & Planning
Responsibilities/Requirements
- Strong in Java and OPPs (Object Oriented Programming) Concept
- Knowledge of Android SDK and NDK
- Knowledge of JSON and XML
- Android Mobile Development Life Cycle
- Knowledge of SQLite
- Good if Communicating with the server using REST APIs
- Should be work in agile methodology
- Master into research and development task for some major function
- Good Problem solving skills
- Self motivated and always willing to learn latest technology
Key Skills
- Android, Java, Kotlin, OOPS, C, C++
Experience: 3-5 Years Experience
Skills:
Swift Language, Sqlite Database
WORK FROM OFFICE
Location : Ahmedabad
Salary : Hike on current salary ...
What we are building?
Businesses need to manage a lot of user infrastructure like authentication, identity verification, user management, security and fraud prevention. Developing these solutions in-house can increase the go to market time, deviation from solving key problem, security lapses and frictional user journeys and lead to business losses. To cater these requirements of an expanding business we provide an one stop solution.
Our mission is to remove technical barriers for the companies when it comes to user infrastructure and create seamless structure for integration with our platform that handles security and provides simple and secure access to digital assets.
Sign3 is looking for an Android Developer.
What you will do?
- Own Android SDKs, working hand-in-hand with the founding team
- Design and build delightful user interfaces for native apps on Android
- You will be (co-) responsible for our software development kit (SDK) for Android
- Building mobile apps in both Swift and Kotlin.
- You work independently on your own code, but you also spend time collaborating with others.
- You are involved in all stages of app development and contribute to the roadmap.
- You get the freedom to experiment with new Android technology.
- Ownership — advocate for projects and solutions that need to be launched ground up.
Experience
- Min 2 to 4 years in developing Android applications in Java / Kotlin / C++ /
- Gradle/Groovy.
- Worked on SDKs/Frameworks.
- Strong understanding of software design patterns as well as Android specifics.
- Experience with authenticated sessions using authentication tokens and have at-least
- fundamental knowledge of app security.
- Good to have:-
- Experience with Cross-platform frameworks is a plus (React Native, Flutter, Cordova,
- Xamarin).
- Have implemented security standards and guides.
- Experience building applications at scale.
- Experience with third-party libraries and APIs like Mobile Vision, MLKit and/or
- Camera API.
- Good understanding of garbage collection, design patterns and continuously
- discover, evaluate, and implement new technologies to maximise development
- efficiency.
- Unit-test code for robustness, including edge cases, usability, and general
- reliability
Proven working experience of minimum 3+ Years in Android app development (Min 2Yrs. experience in Kotlin)
- Have strong knowledge in Kotlin and Java.
- Strong knowledge of Android UI design principles, patterns, and best practices
- Experience with offline storage, threading, and performance tuning.
- 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
- Design and build iOS and Android mobile applications
- Collaborate with cross-functional teams to analyze, design, and ship new features
- Fully responsible for mobile app development in the team
- Build and publish applications in app stores
- Implement new technologies to maximize application performance
Job Requirements
Android:
- Excellent knowledge in core Java
- Hands on experience in the full life cycle of Android application development
- Strong knowledge in RESTful web services
- Good Knowledge of Android SDK's and third party libraries
- Push Notifications and Firebase
- Eclipse & ANT based build system
- Android Studio
- Experience in Gradle.
iOS:
- Very good experience with Objective-C , Swift is a must and iOS SDK
- Good working knowledge in Cocoa Touch
- Experience with memory management and caching mechanisms specific to mobile devices
- Experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics and Core Text
Good To Have:
- Experience in API integration in mobile apps and external devices is a big plus
- A portfolio of iOS/Android apps in the Play Store/app store is a plus
- Hands on experience with Android studio & gradle build system
- Git using experience & Gerrit
- UI & UX with material design patterns
- Locations and Map API's









