


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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- We seek a qualified React Native developer to join our Engineering team.
- 3+ years of professional experience working with React Native. You will be working with our engineers to develop and maintain high-quality mobile applications for both platforms as Android and iOS.
- Job Responsibilities Strong proficiency in JavaScript, ability to write clean code adhering to ES6+.
- Strong & thorough understanding of React-Native, and its core principles.
- Implement pixel-perfect UI's that match designs.
- Familiar with App distribution Process for both iOS and Android.
- Familiarity with code versioning tools (Such as Git)
- Familiarity with RESTful APIs
- Experience with Native Mobile app deployment on App store and google play store.
Skills:- iOS App Development, React Native, RESTful APIs and Mobile App Development


Quantsapp is looking for an iOS developer responsible for the development and maintenance of
existing application along with continuous integration of new features, who can take the
ownership and work independently. 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 :
- Integrate the design into high quality code
- Ensure the performance, quality, and responsiveness of application
- Identify and correct bottlenecks and fix bugs
- Work along-side other developers working on different platform for the Application.
- Therefore, commitment to collaborative problem solving, design implementation and creating quality product is essential
- Minimum 2 years of experience in iOS Application Development
- Proficient with iOS SDK, Swift and Cocoa Touch
- Understanding of Apple's design principles and interface guidelines
- Must have already deployed at least one app on AppStore
- Working knowledge of Web Services & REST (JSON) APIs, SQLite, Google API
- Integration, Firebase
- Familiarity with cloud message APIs and push notifications
- Experience with third-party libraries and APIs
- Strong mobile UI design and implementation experience
- Understanding of code versioning tools

- 3+ years proven work experience as a Mobile developer.
- Experience using web services (HTTP, REST, SOAP) using JSON, API and API Framework) .
- Good knowledge of object-oriented design patterns and Multi-threading concepts
- Good knowledge of the SQLite database and the Google Play Services like Push Notifications (fcm/sns)
- Strong mobile UI design (multi-screen resolutions), coding, support and maintenance
- Knowledge of HTML5, Bootstrap, JavaScript,
- Experience with third-party libraries and APIs (like Facebook, Twitter, etc.)
- Proficient iOS and Android mobile app experience are a plus
- In-depth knowledge of at least two Framework/Libraries like React Native / Ionic / Framework7 / Aurelia / PhoneGap / Flutter and angular / react / vue / Mobile Angular UI/ Kendo UI.
- Knowledge of bench marking and optimization
- Mandatory : self sufficient developer and must have prior experience of hybrid development [atleast 3 projects]


● Overall at least 1 year building software for iOS devices
● Experience with iOS SDK, Objective-C, Swift and Xcode IDE
● Experience with JSON, XML, JavaScript and interfacing iPhone/iPad applications to server-side API's
● Comfortable developing rich GUI's for the iPhone and/or iPad
● Solid grasp of object-oriented concepts and MVC programming techniques
Responsibilities
● Work on multiple simultaneous projects
● Divide projects into module with timelines
● Hands on coding, systems analysis, design and delivery of projects assigned.
● Coordinating project performance with business and clients.
● Completes assigned projects in a timely manner.
● Meets project objectives, providing systems that operate in a cost-effective manner.
● Keeps management informed of project progress and problems, particularly as to needed changes in schedule, resources, or product.
● Escalates and refers all projects beyond scope of authority.
● Consults with and advises development areas on applications in area of responsibility.
● Responds to problems in a timely, effective manner.
Bonus Points
● Experience with Android/Java
● Cross Platform Application development

Location: Technopolis IT Hub, Noida Sec-62
Salary: Negotiable as per last CTC
Job Description
- Experience in developing enterprise grade Android Mobile Apps, NDK, and SDKs.
- Experience in Rest i.e SQLite, Faragments, Activities, Intents, Google API’s (FCM, MAP, Analytics, AdMob etc.).
- Experience in apps development with Payment gateway Integration and POS terminal like VeriFone/Ingenico/Pax.
- Experience on client-server application involving web service calling.
- Knowledge of Android Life Cycle and Threading Concepts.
- Knowledge of the general mobile landscape, architectures, trends, and emerging technologies.
- Strong understanding of material design, memory management, files I/O, network protocols, concurrency, multi-threading etc.
- Strong understanding of OOPs fundamentals, Java, Kotlin, JSON, Android 5 and above.
- Knowledge in architecting large solutions using patterns, like MVVM, VIPER.
- Knowledge of different screen sizes,andandroid version classes compatibility.
- Knowledge of Third party libraries like Volly, Retrofit, ButterKnife, Picasso.
- Knowledge of XML, JSON parsing, GPS and Google Maps integration.
- Knowledge of Firebase Services Other Third-party Services.
- Understanding of code versioning tool, like Git.
- Familiarity with deploying Android apps to the Google Play Store and should have published at least five Android app.
- Knowledge of OPENGL.

Rejolut is one of the award winning fastest growing emerging tech company which is working on leading technology like Blockchian, ML & AI, Complex mobile & web apps, IoT etc.
The ideal candidate will be responsible for developing highly scalable and secure code.
Responsibilities:-
-Able to take the Extreme Ownership of modules/product/projects
-Able to learn & implement new technology/framework/library at God Speed
-Able to come with optimal solution for the business problem
-Can handle calls with the client & customer to know their feedback
-Writing clean code & able to dig into other's code or open source code
-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.
-Maintain code and write automated tests to ensure the product is of the highest quality.
-Transition existing native apps to Flutter
Desired Candidate Profile:-
-Knowledge of (functional or object-oriented) programming
-Ability to write well-documented, clean Javascript code
-Rock solid at working with third-party dependencies and debugging dependency conflicts
-Familiarity with native build tools, like XCode, Gradle (Android Studio, IntelliJ)
-Understading of BLOC Patterns
-Strong knowledge & experience in Dart is mandatory.
-Strong attention to detail in UX & interactions.
-Strong experience with Flex CSS styling.
-Strong experience in SQLfLite & Firebase messaging is required.
-Experience in releasing Android and iOS App store
Culture
- Fast-paced, intellectually stimulating, steep learning, and growth
- Close-knit, hardworking, supportive colleagues
- Challenging work
- Flat organization with no hierarchy
- If you like problem solving, and love latest technology, there are very few better places
How we are different
-We are young and dynamic team who are obsessed with solving business problem at scale -We are a technology agnostic company who focus more on finding the optimal solution to business problem rather than technology
Why to join us
-We provide huge learning curve. Spending 1.5-2 years with us will put you 3 years ahead in the career
-We work only on cutting edge technology like React, React Native, Flutter, NodeJS, Python, Go, Svelte, ELM
-There are two technology Co-founder in the company ho are pretty much hands-on and have earlier bult the Consumer application which is downloaded millions of time and are in leadership position in copanies like Samsung, Purplle, Loylty Rewardz
-Get mentored by the best in the industry
-Flexible working hours
-Perks best in the industry



Job Description Responsibilities:
• Design and build mobile applications using React Native
• Build native component for iOS (Native experience would be plus) or Android
• Collaborate closely with the Team lead to understanding the requirement and implementation details.
• integration with third-party APIs.
Required Skills:
• 2yrs experience in React-Native based app development is a must.
• Must have published at least 1 major React-Native app
• Knows how to embed React-Native in a native(iOS/Android) component and vice versa
• Strong focus on app performance.


• Build custom packages in Flutter using the functionalities and APIs already available in native Android and IOS.
• Translate and Build the designs and Wireframes into high-quality responsive UI code.
• Write efficient queries for core Data.
• Use of Model-View-Controller ( MVC) and Model-View-ViewModel-Controller (MVVM) as it relates to designing, developing architecture and developing maintainable, testable and functional software that meets product requirements.
• Explore possible architectures for implementing new features.
• Resolve any problems existing in the system and suggest and add new features in the complete system.
• Suggest space and time-efficient Data Structures.
• Follow the best practices while developing the app and also keeping everything structured and well documented.
• Use CI/CD for smooth deployment.
• Document the project and code efficiently.
• Manage the code and project on Git in order to keep in sync with other team members and managers.
• Communicate with the Project Manager regarding the status of projects and suggest appropriate deadlines for new functionalities.
• Ensure security guidelines are always followed while developing the app.
• Validate the cloud system to ensure any new changes do not compromise the security of the backend server.
• Suggest new features and/or enhancements.
• Consulting with our customer-facing representatives about software system design and maintenance.
• Interact with the Clinical Specialists and Product Manager to help understand end-user feedback. • Maintaining software through product lifecycle including design, development, verification and bug fixes.
• Connect regularly with the Quality Assurance Specialist to deliver a stable app.
• Resolve all the bugs reported by the Quality Assurance Specialist in a timely manner. • Perform time profiling and memory leaks assessment.
• Execute app verification protocol.
• Write tests for the App.
• Following company policies and quality procedures to ensure quality product deliverables.
Requirements: Must Have:
• Flutter: To build cross-platform mobile apps for Android, IOS and Web.
This should include from making responsive UIs to efficiently query data and also manage states in an optimized manner.
• Native Android and IOS: To build custom Flutter Packages.
• Firebase: Should have experience with Cloud Firestore, Push Notifications, Cloud Functions and Analytics.
• Adobe XD: Should know how to use Adobe XD to use the design file and use it to build the app.
• Git: To manage and collaborate in different projects with the rest of the team.
Good To Have: • Angular • Bootstrap • JavaScript





