


1. Have two or more iOS/Android apps developed with Flutter. Either deployed on the AppStore/Google Play or available on Github; |
2. 2+ years in mobile software development; |
3. Experience with third-party libraries and APIs; |
4. Understanding of the Agile development life-cycle; |
5. Experience with automated testing and building; |
6. Experience with CI/CD, Git, Jenkins, or other version control tools; |
7. Ability to write readable code, create extensive documentation for existing code, and refactor the previously written code into a readable state. |
8. Intermediate English skills. |

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4+ years of proven Android and iOS app development experience.
Excellent understanding of Android and iOS design principles as well as application interface guidelines.
Proficiency in Kotlin, Java, Swift and Objective-C. Excellent coding and proofreading skills.
Ability to use Android/iOS SDK with ease.
Proficiency with the best in class Software development practices.
Proficiency with push notifications, APIs
Top-notch teamwork and communication skills.
Ability to manage your workload with minimal supervision.



Full Stack Engineer ( React Native)
Experience: 1- 5 Years
Work Location: Hyderabad
Skillset: React Native, Node JS, React, MongoDB & AWS
If you have it in you to build dynamic web architecture, APIs and databases in a stimulating, fast-paced environment, then please give us a shout out. You will be a part of an extremely passionate team at Goldstone that is researching and creating smart solutions based on next-gen cognitive technologies.
You will get a chance to work on exciting projects at our state-of-the-art office, grow along with the company and be fruitfully rewarded for your efforts!
Requirements:
• Minimum 1 years of experience in React Native.
• Integration of Rest APIs in react native.
• Firm grasp of the JavaScript and Typescript language and its nuances, including ES6+ syntax
• Knowledge of functional and 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 and IntelliJ
• Proficient understanding of releasing and monitoring apps on IOS App store, Play store.
• Should be able to communicate to backend developers on API building and modifications needed.
• Testing and releasing builds Experience in application testing software’s Appium is preferable.
• Understanding of REST APIs, the document request model, and offline storage
• Experience with automated testing suites, like Jest or Mocha
• Experience with handling production mobile apps.
• Experience with performance testing and optimization.
Responsibilities:
You’ll
• We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms.
• You will be responsible for architecting and building these 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.
• 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.
• Transition existing React web apps to React Native.

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

Work Location: Hyderabad
Experience:3 to 6 Years
Package:As per Market Standards
Notice Period:Immediate Joiners
Its a Full Time Opportunity with Our Client
Mandatory Skills:.Net,Andriod/IOS & Xamarin
Job Description
Candidate should have development experience in .Net Technologies.
Experience on Xamarin forms is mandatory.
Should have worked on all the following:
C#.NET, JavaScript, JQuery, CSS, SQL, ASP.NET.
Good experience in XAML
Experience developing Cross Platform applications (Android/iOS/Windows) in- Xamarin will be good.
Good experience in REST applications.


We are looking for an Android developer interested in building performant mobile apps on Android platforms. You will be responsible for architecting and building the applications, as well as coordinating with the teams responsible for other layers of the product infrastructure.
Requirements
- Build pixel-perfect, buttery smooth UIs Android platform.
- Leverage native APIs for deep integrations with Android platform.
- 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.
- Maintain code and write automated tests to ensure the product is of the highest quality.
Skills
- Firm grasp of the Kotlin language and its nuances.
- Knowledge of functional or object-oriented programming Ability to write well-documented and clean code.
- Rock solid at working with third-party dependencies and debugging dependency conflicts
- Familiarity with native build tools, like Gradle , Android Studio, IntelliJ and Play console. Understanding of REST APIs, the document request model, and offline storage
Interpersonal Skills
- Self-motivated, team player, action--and-results oriented.
- Well organized, good communication and reporting skills.
- Ability to successfully work under tight project deadlines.
Experience in Kotlin is mandatory .


• Solid understanding of the full mobile development life cycle.
• Effectively replicate UI, UX designs & concepts provided by Visualizers in iOS Development Environment.
• Strong knowledge with MVC, MVVM, VIPER.
• Expert in OOPs, REST APIs, JSON, Data-Binding: Local Storage, Real-Time Data.
• Experience with threading, and performance tuning.
• Understanding of Apples design principles & interface guidelines and knowledge of APP Publish process on APP Store.
• Proficient understanding of code versioning tools, such as Git.
• Familiarity with CI/CD.
• Experience with performance and memory management
• Familiarity with cloud message APIs and push notifications
• A knack for benchmarking and optimisation
• Knowledge in AVPlayer, Video Streaming and Voice/Video calling will be an added advantage.
Skills:
Swift
Objective C
AVPlayer(Audio & Video)
Memory Management
Frameworks
Unit Testing

Good understanding of Java Programming language
- Hands-on experience in the full life cycle of Android application development
- Strong knowledge in RESTFUL web services
-Sound Knowledge of Android SDK's- Having a strong knowledge of building UI
- Having an understanding of working with third-party libraries
- Tools : Android Studio, Eclipse
-Good to Have : Knowledge and understanding of Kotlin


Roles and Responsibilities
- Proficiency in Android / Swift with Cocoa Touch
- Knowledge of Google Play store Guide lines with Apple Human Interface Guidelines
- Familiar with Android Studio with iOS SDK (UIKit, Core Data, Core Location, etc.)
- Knowledge of (JSON, XML, SOAP, REST) with Familiarity with RESTful APIs to connect
- Android and iOS applications to back-end services.
- Knowledge of SQLite, MySQL or similar database management system
- Must have sound knowledge in react native.
- Familiarity with cloud message APIs and push notifications.
- Experience with source control systems (Subversion,Git)
- Preference for Mobile App development using React native.
- Knowledge of HTML5, JavaScript, jQuery, Ajax is an added advantage.


Designation: Senior iOS Developer
Qualification: BCA/BTECH/BSCIT/BE/MCA/MTECH/MSCIT/ ME with relevant skills and interest may apply.
Salary: 30000 – 50000 per month
Experience: 3+ Years
Location: Mahape, Navi Mumbai (Work from Home for Next 4-5 months post that It can be working from office but people who just want to work from home are also welcome)
Job Profile/Description:
a) 3+ years of experience in Native iOS Application development.
b) Experience on iOS, iPhone SDK, Objective-C/Swift, Xcode & Interface Builder, MacOS,
Auto-layout, Autoresing.
c) Experience with Core Data, SQLite, Location Based Services added advantage.
d) Understanding of building App that utilizes web-services to tie applications to server-side APIs,
via REST and SOAP.
e) Experience with the implementation of third-party libraries and API.
f) Working knowledge of the general mobile landscape, architectures, trends, and emerging
technologies.
g) Should be aware of platform-independent mobile application development trends/ tools
h) Experience in developing enterprise mobility is desirable
i) Good interpersonal skills, for effective communication with business and development teams
j) Proven track record of successful and timely project delivery
k) Well Conversant on iOS along with other mobile platform for Mobile Application
l) Development and integration.
m) Should have executed at least three projects from start to finish in iOS
n) The position requires an expert understanding of complex, multi-phased projects and the
o) Understanding of apple design principles and interface guidelines.
P) Experience in uploading iOS apps on the App Store.
q) Candidate should be Quality and cost-driven with strong oral and written communication,
interpersonal skills.
r) Motivated to learn and implement new processes and technologies.
s) Candidate must have the ability to perform under a stringent timeline.
t) Should be a good Team player and team mentoring.
u) Contain good knowledge of different iPhone and iPad devices screen resolutions.
v) Proficient in code versioning tools including Mercurial, Git, and SVN.
w) Experience with performance and memory tuning with tools (such as Instruments and Shark,
depending on project needs)
x) Knowledge of Flutter will be nice to have
Only applicants who are available full time for a minimum duration of 1 year can apply.



