


About RJS Tech Solutions LLP
About
RJS is a leading game and app development company based out of Kolkata, India. Our products are available across all major mobile and web platforms. Technologies used include PHP, Android, Java, iOS, C++, C, HTML5, Ajax, JQuery and CSS.
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Experience on Kotlin Server ( Programming ).
React Native - Android Dev.


Android Services, System service and framework development, Broadcast using Java, Kotlin, C++ (Mandatory)
Experience in AOSP build setup & understanding of Android.bp, gradle, Android.mk (Mandatory)
IPC mechanism in Android: AIDL, JNI, HIDL, Socket Communication (Mandatory)
Experience in Android application development using Java & Kotlin (Mandatory)
Custom UI component development & understanding of MVVM architecture (Mandatory)
Flexible in customizing AOSP for product branding (Good to have)
RESTful service integration, Multithreading ,Message queueing (Good to have)



What will you do? (but not limited to)
- Design, develop, and maintain our mobile applications using either Flutter or React Native, ensuring high performance and responsiveness across both Android and iOS platforms.
- Collaborate closely with the product and development teams to design and develop innovative features that align with our mission and user needs.
- Write clean, maintainable, and efficient code that adheres to industry best practices, and conduct code reviews to uphold high-quality code.
- Troubleshoot, debug, and upgrade the software to ensure optimal performance, security, quality, and responsiveness of applications.
- Lead and mentor junior developers, fostering a culture of continuous learning, innovation, and improvement.
- Drive architectural decisions and lead efforts to scale and improve our codebases.
- Work closely with stakeholders to understand and address their needs, translating business requirements into technical solutions.
Who can apply?
- Minimum 3 years of experience as a Mobile Application Developer with a proven track record in developing and deploying mobile applications for both Android and iOS platforms.
- Proficiency in React Native, with a deep understanding of cross-platform mobile development and app architecture.
- Strong knowledge of JavaScript (for React Native), and familiarity with native build tools, like XCode, Gradle, Android Studio, IntelliJ, and other IDEs.
- Strong problem-solving skills, with an ability to think algorithmically and a keen eye for debugging and optimizing code.
- Experience with app development languages such as Swift, Kotlin, or Objective-C and with utilizing RESTful APIs for backend integration.
- Proficient understanding and utilizing code versioning tools, such as Bitbucket.
- Experience in a startup environment and building products from scratch is highly preferred.
- Excellent communication skills, with the ability to lead and inspire a team.
- Strong project management skills, with experience in agile methodologies.
- Demonstrated ability to make sound decisions based on a balance of data, experience, and judgment.


Requirements
- Development experience in React Native
- Experience in developing UI in HTML, CSS, and JS and integration with the backend using REST API.
- Experience with Object-Oriented Programming • Ability to multitask and work in a fast-paced environment.
- Ability to document their code.
- Understanding accessibility and security compliance.
- To translate storyboards and various use cases to create high-performing apps
- Write, execute, and maintain clean, reusable, and scalable code • Integrate our various data storage solutions
- Ensure the responsiveness and boost the performance of our apps
- Find and address the various bottlenecks and bug-fixes
- Help in code automatization
- Proficient in GIT
Responsibilities
- As a Hybrid Mobile App Developer, you will be responsible for creating compelling concepts for customer products and offerings as well as engage user experience across varied platforms.
- You shall be involved across all stages of the application life cycle, from requirements specification, wireframes, mockups, development, testing to deployment.
- You shall be expected to work in a team, assigning and delegating tasks and responsibilities among your co-developers.
- You will also be engaged in providing regular updates on project status & progress to non-technical stakeholders.
Hiring Process
- After getting shortlisted from here, a member of our team will contact you.
- We will schedule a interview as per mutually convenient time.

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


- Proven software development experience
- Proven working experience in Android
- Strong Java OOPs concepts and design patterns understanding
- Hands-on experience on Kotlin.
- Good understanding of C and data structures, JavaScript
- Must have a good understanding of React Native or Cordova
- Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
- Have published at least one app in the Store.
- Experience in writing SDK frameworks
- Experience working with remote data via REST and JSON
- Strong knowledge of Android UI design principles, patterns, and best practices
- Experience with third-party libraries and APIs
- Knowledge of JNI, security algorithms
- Experience with offline storage, threading, and performance tuning
- Ability to design applications around natural user interfaces
- Knowledge of the open-source Android/iOS ecosystem and the libraries available for common tasks
- Must be proficient in code versioning tools such as Git, SVN
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies Solid understanding of the mobile development life cycle
- Good to have: Experience in working on cross-platform such as Flutter, Kony.

Role: Senior Android Engineer
Work Location: Bangalore-Full time (Work from Office)
Who are we and what do we do?
Digio is a fast growing,profitable product startup founded in 2016 by ex-Flipkart, Twitter folks, playing a key role in India’s Digital story.
The company is building software platforms and products to power business processes, to go paperless and digital in order to bring down cost overheads, time involved in erstwhile offline business processes, thereby being instrumental in increasing operational efficacy and human productivity along with enabling presence-less digital reach and super rich end user experience.
Digio is the market leader in India for Digital onboarding and has played a key role so far in enabling Digital Transformation in India by empowering a large part of the Indian eco-system specifically Fintech sector of India. Digio has been honored as the world's 100 most innovative Regtech companies by the World Fintech Forum.
You can view their website at http://www.digio.in/">https://www.digio.in or find them on Twitter, Facebook, and LinkedIn.
Roles & Responsibilities:
As a Senior Android Engineer at Digio your responsibilities will be:
- Drive Digio SDKs, Libraries, App development in Java, Kotlin and Flutter.
- Take care of performance and security Android level.
- Keep it crash free, modular, perfectly memory managed for mass level usage.
- Usage of Java based REST APIs and backend level developments.
- Drive Android level development as well around available AI, ML and Vision Android libraries.
Requirements:
- Education: B.Tech. (CS/IT) / B.Sc. (CS) / M.Tech. / MCA.
- Experience suitable to above mentioned requirements around Android. IOS experience is plus.
- Experience in creating Android Apps from scratch.
- Experience with Kotlin, Flutter. Experience with Dagger.
- Experience in dealing with WebViews - Javascript and Native android communications.
- Good low level and High level software design and architecture skills, experience of working with distributed environments.
- Have good understanding on Android and IOS internals and memory management.
- Fast learning abilities.
- 3-5 years of experience and at least 2 years working with product company.


- Design and implement cross-platform applications with Dart/Flutter using Bloc and Provider.
- Take the initiative to suggest technical improvements and direction.
- Collaborate cross-functionally with UX, marketing, product management, engineering, and leadership.
- Familiarity with RESTful APIs to connect Android applications to back-end services
- Perform load testing, participate in code reviews, write tests, and conduct troubleshooting to ensure uptime for live systems.
Qualifications
- You have at least 3 years of experience working as a software engineer.
- You have at least 2 years of experience developing Android applications and deep insights into Android as an operating system.
- At least 1 year of Flutter development and should have at least 1 Flutter App live in stores.
- You have strong and validated interpersonal skills, particularly in the realm of collaborating with internal or external developer customers.
- Willingness and desire to learn new technologies and frameworks.
Why Join Us?
- Work anywhere from India
- Flexible work hours
- Growing team and opportunity to learn and do more.
- Rs.18,000 to Rs.30,000 per month
- Immediate joiner


We are looking for an iOS developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers. Your primary focus will be development of iOS applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential.
Responsibilities
- Design and build applications for the iOS 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
Skills
- Proficient with Swift and Cocoa Touch
- Experience with iOS frameworks such as Core Data, Core Animation, etc.
- Experience with offline storage, threading, and performance tuning
- Familiarity with RESTful APIs to connect iOS applications to back-end services
- Knowledge of other web technologies and UI/UX standards
- Understanding of Apple’s design principles and interface guidelines
- Knowledge of low-level C-based libraries is preferred
- Experience with performance and memory tuning with tools
- Familiarity with cloud message APIs and push notifications
- Knack for benchmarking and optimization
- Proficient understanding of code versioning tools
- Familiarity with continuous integration



