
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

About SIGN3 Technology
About
Connect with the team
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- 5+ years of proven experience in Android application development.
- Deep understanding of the Android framework.
- A strong background implementing MVVM architecture in Android applications.
- Familiarity with third-party libraries such as RxJava, Dagger and Retrofit.
- Experience with Jetpack Compose a plus.
- Experience consuming RESTful APIs with Android applications.
- Comfortable working in a team environment following the Agile methodology.
- Understands Android UX and works closely with the design team to ensure UI designs are aligned with the current Android UI guidelines.
- Proficient in writing Kotlin code for all new development, with experience in working in Java.
- 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.
Technical Requirement :
- 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
- Strong knowledge in SQLite Database
- Experience in designing and developing custom controls for Android.
- Solid foundation in data structures, algorithms, and object orientation design.
- Capabilities to write and execute unit test cases.
- Independent researching, solution finding, analysis and problem solving skills and capabilities.
- Should have a strong knowledge of OOPS and intermediate knowledge of front-end GUI design and development.
- Should have knowledge of Kotlin
- Should have experience in MVC / MVVM Architecture.
- Good in Analytics and Communication
Our client's Mobile app has been downloaded by more than 15 million users. Daily, more
than a million users login to the application. As a fast growing company, we are
preparing for a future of tremendous growth and disruption in finance. We are looking
for a React Native developer (SDE2) interested in building performant mobile apps on
both the iOS and Android platforms. The incumbent will be responsible for architecting
and building the 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.
● Leverage native APIs for deep integrations with both platforms.
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quality
● Ability mentor junior developers and actively contribute to code reviews and
improve the code base for scale and maintainability
● Hands-on experience in Android/iOS app development via React-Native
● Experience in Build systems and Deployment processes
● Experience in writing unit testing code with libraries like Jest, Enzyme , Jasmine, Mocha, etc.
● Excellent problem solving, debugging, and troubleshooting skills.
● An avid follower of the best practices, optimization strategies, and design patterns
● Knowledge of RN available inbuilt UI components and the props those UI components accept.
● Good knowledge of monitoring and tracking down app crashes and bugs using advanced tools
● Experience in profiling tools in Xcode and Android Studio
● Experience in 3rd party services integration
● Knowledge of architectures, trends and emerging technologies
Founded by two MDI alumnus, it is a student centric and personalised learning platform that delivers enjoyable learning content as per the state boards. This ed-tech provides a solution which is easy to use, lets students enjoy learning, makes life easy for a teacher and delivers learning in the language that students are most comfortable. The organisation has worked in 14 states across India and awarded Google India under "Impacting Change through Digital".
What you will do:
- Collaborating with design and development teams, and participating in requirement analysis to decide upon, building and/or improving complex, high-performance Flutter-based architectures and applications
- Analysing and developing components and / or libraries to re-use in various products
- Testing and deploying iOS/Android applications to their respective stores
- Revising, updating, refactoring and debugging code
- Helping develop extensive documentation throughout the lifecycle of software development
- Designing solutions and/or coding practices to increase productivity for the team
- Serving as an application expert and providing technical support
- Assessing and communicating about projected timelines for deliverables and future product growth
- Having a customer-centric approach to all activities
What you need to have:
- Minimum of 1 to 2 years of deep and passionate experience of App development in Flutter along with preferably firebase, Node. JS, databases, cloud and server side integration and development
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- Ability to develop APIs and SDKs for cross integration of applications with other applications
- Should have developed and released an app on both play store and iOS app store
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- Command on Google Play Console and iOS Console and all skills to use/manage the same
- Practical Experience of user data management, user journey and user engagement to improve app’s usage
- Experience of user analytics, apt UX/UI for user engagement
- Strong design sense with amalgamation of development to bring features to best usage
Job Responsibilities:
- Design and develop high-volume, low-latency applications for mission-critical systems, delivering high-availability and performance.
- Contribute in all phases of the development lifecycle: concept, design, build, deploy, test, release to app stores and support.
- Diagnose performance issues, fix bugs (including crashes and ANRs) to increase the functionality of the application.
- Write well designed, testable, efficient code.
- Ensure designs are in compliance with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
Desired Profile :
B.Sc. (CS or IT) + MCA/ BCA + MCA/ B.Tech. /B.E. (CS or IT) .
Experience required- 1 - 2 years
- Subject Proficient in Java/Kotlin programming
- Knowledge and experience in Flutter Framework and DART programming
- Hands on experience in using RESTful APIs
- Hands on experience in designing and developing micro-services architecture and containers
- Object oriented analysis, UML and design using common design patterns.
- Hands on experience in development IDE Android Studio, Android SDK, Firebase Test Lab
- Experience with offline storage, threading, and performance tuning
- Familiarity with push notifications
- Familiarity with IOS integration with Flutter
- Experience using GitHub or similar environment
- Complete understanding of SDLC
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- Experience with Material Design and Android UI design principles, patterns and best practices
- Good knowledge of adding third-party libraries for Eg. Twilio
- Ability to understand business requirements and translate them into technical requirements
Lead/Principal Engineer – Android
Description
We are looking for talented engineers who are passionate about using software engineering to make kids love to learn and redefine learning@home at BYJU’S. You will have an opportunity to work in a highly motivated fast-paced environment in a fastest-growing Ed-Tech company. You will be building platforms and services to be used across various products. You will have the opportunity to create a significant impact on our systems, our business and most importantly on the life of millions of our students as we take on challenges that will reshape the education industry. You will operate at the intersection of diverse disciplines - Backend, Frontend, Big Data, ML, Computer vision and Multiple programming languages. You will build solutions for Byju’s core learning Apps, co-branded platforms, new launches, product development & innovations and personalized learning experiences.
We are looking for smart people with excellent technical skills and a can-do attitude. Candidates should be eager to learn, flexible to pivot when needed, savvy enough to thrive in a dynamic environment and should possess a growth mindset.
Roles & Responsibilities
- Leads more than one projects end-to-end and collaborates across functions. Drives planning, estimation and execution.
- Manages stakeholder expectations and offers scalable, reliable, performant and easy to maintain solutions.
- Consistently takes well thought technical/design decisions.
- Develops expertise in more than one area and shares knowledge with others. Able to mentor/train people in areas which are new to them.
- Drives people to solve engineering challenges.
- Enjoys high respect of Tech and other cross functional teams.
- Demonstrates effective communication with project team, management and internal/external clients as necessary.
- Surfaces both technical and non-technical team challenges and helps resolve them.
- Champion for SDLC best practices and high-quality standards.
- Significantly contributes in hiring high performance candidates.
Ideal Candidate Profile
- Expert in JAVA, Kotlin, Reactive programming, Asynchronous programming and Dependency Injection. Experience with unit-tests and automation frameworks.
- Familiarity with any architectures like MV*(MVP/MVVM/MVI).
- Strong focus on high-quality mobile UI experiences.
- Operates independently with almost no oversight.
- Is able to apply domain expertise to think critically and make wise decisions for the team, taking into account tradeoffs and constraints.
- Communicates tech decisions through design docs and tech talks.
- Has delivered multiple projects with end-to-end engineering ownership.
- Keeps track of new technology/tools and embraces them as necessary
- 7+ years of experience in a product-driven organization.
Technologies we're working with
- MVP, JAVA and Kotlin, Realm, Firebase Real-time Database, RxJava,Kotlin Coroutines, Dagger and Retrofit.
Note- WFH currently
- A minimum of 3yrs of coding as an iOS Developer.
- In-depth experience with Swift and Xcode.
- Up to date with the latest Cocoa and iOS trends.
- Understanding of UI Kit, Core Animation, Interactions, GCD & Networking.
- Excellent understanding of design patterns & Object Oriented Programming.
- Understanding of analytics, remote reporting and measurements.
- Experience of working with Continuous Integration (CI) and Unit Testing on iOS.
- Experience with API’s and core data.
- Excellent debugging skills.
- Experience working with Git.
- Knowledge of socket based networking desirable.
- Understanding of the iOS ecosystem (APNs, Code signing, iTunes Connect, TestFlight).
algorithms, and software engineering principles
• Passionate about creating great code
• Multiple years of experience in Android application development, with Java and/or
Kotlin. Kotlin experience is a major advantage.
• More than one published application on the Google Play store available for immediate
download and review by our team. Please provide names of all your apps that you've
worked with a brief description of your contribution (if not individually developed).
• Strong experience in building and publishing commercial applications to Google Play
store.
• Multiple years of in Java I/O, RDBMS, Networking, Generics and well-known
application frameworks.
• Solid Understanding of Android design principles and interface guidelines.
• Experience with performance and memory tuning using tools
• Experience coding with RESTful APIs to connect applications to back-end services.
• Great team player who works well in collaborative situations
• Experience with iOS app development is a major plus. Experience with cross-platform
tools would be an advantage
• Experience with tools like Git, Jira, Basecamp, BitBucket, Azure DevOps would be an
advantage.
• Good to have experience working with IOT projects, Bluetooth technologies
• Active Open Source, GitHub or Stack Overflow contribution will be a big plus
• Having personal apps in play store will be an added advantage
• Working knowledge of the general mobile landscape, architectures, trends & emerging
technologies.









