• Well verserd on Swift 5.* and objective C, Keywords and programming technics
• Basic understanding and programming capabilities on the programing languages like Reactive JavaScript, Dart atleast one of the 2
• Willing to learn new technologies and programming languages
• Good knowledge of iOS and its related components like (Foundation, UIKit, AVFoundation, LocalAuthentication, CoreLocation, CoreData, SwiftUI, iPadOS, CoreImage, VideoToolBox, AudioToolBox, Social, CoreBlueTooth, MapKit, StoreKit)
• Very Strong knowledge with Protocols, Extensions, Swift Playgrounds
• Experience with REST full APIs and Data serialization using the latest methods
• Experience with offline storage, threading, and performance tuning.
• Knowledge of the 3rd party SDKs/Cocopods/Swift Packages available out in the market
• Understanding of Apple's Human Interface Guideline and Review Policies
• Proficient understanding of code versioning tools, such as Git.
• Familiarity with CI/CD.
• Experience with performance and memory tuning with Instruments
• Familiarity with cloud message APIs and APNS
• A knack for benchmarking and optimisation
• Good at creating a good user experience
• Understanding of how to work on wearable technologies and IOT
Skills:
Swift 5.*
Objective C
Swift UI
Core Locations, Googles maps

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We are looking for a Mobile App Developer for one of the leading TMT bar manufacturers and exporters in India.
Please find below details for your reference :-
Role - Mobile App Developer
Exp - 3 to 8 years
Job Location - Kolkata
About the Company :-
Our Client is one of the leading TMT bar manufacturer and exporter in India. It is a well known group that achieves a turn over of 3000 Cr per annum. The group is setting a construction & architecture oriented omni channel B2B & B2C platform.
Roles & Responsibilities:
- 3-7 yrs of experience in developing new features and user interfaces from wireframe models.
- Ensuring the best performance and user experience of the application
- Fixing bugs and performance problems
- Writing clean, readable, and testable code
- Cooperating with back-end developers, designers, and the rest of the team to deliver well-architected and high-quality solutions
- Complete knowledge of the Uploading app on google play store and Apple app store
- Through analytical skills to Recommend system solutions by comparing advantages and disadvantages of custom development and purchase alternatives.
Requirements :-
- Extensive knowledge about mobile app development. This includes the whole process, from the first line of code to publishing in the store(s)
- Deep knowledge of Kotlin, Flutter,Android, iOS, etc.
- Proficiency with writing automated tests. depending on the libraries you use to test
- Familiarity with RESTful APIs and mobile libraries for networking
- Experience with profiling and debugging mobile applications
- Strong knowledge of architectural patterns - MVP, MVC, MVVM, and Clean Architecture and the ability to choose the best solution for the app
- Familiarity with Git
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TrueFan is a celebrity-fan experience platform that enables fans to connect with their favorite celebrities. The business runs on a mobile application where fans compete in an online quiz contest designed on the life of their favorite celebrity (their movies, trivia, facts, etc.) and the winners get a personalized video message from them.
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.
Responsibilities
- Designing, deploying, and managing web and mobile applications that can run on multiple platforms.
- Utilizing React Native to design and develop UI components for web and mobile apps based on JavaScript.
- Writing effective, scalable, and reusable JavaScript code can help create interchangeable front-end modules.
- Improving front-end performance by diagnosing and fixing all system errors and bugs.
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- Using other JavaScript libraries (like “Redux”) to make asynchronous API calls and enhance website/mobile app performance.
- Creating plans to transition React-based web and mobile apps to React Native.
Requirements
- Possess at least 3 years of hands-on experience in React Native.
- Should have a good working knowledge of HTML and CSS.
- You are well-versed in all aspects of JavaScript.
- Experience in leading a team is preferred.
- Should have in-depth knowledge of UI/UX designs and wireframes.
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performance and global at scale
Hands on experience in performance tuning, debugging, monitoring
Experience designing clean and maintainable APIs
Working experience with popular thid party libraries for networking, async image loading
Experience building complex applications and g Objective-C / C++/SWFIT with Cocoa and other
frameworks
Strong understanding of iOS application architecture and Implementation (MVC, MVVM)
Experience with multithreaded programming, reusable frameworks, UI components, iOS SDK performance
tools and optimization techniques
Knowledge on UIKit, Core Animation, Autolayout, Size Classes, SnapKit
Knowledge on Core Location, MapKit, AVFoundation, StoreKit, Extensions, AddressBook, EventKit, CAllKit,
SiriKit, Core Bluetooth
Knowledge on Spatial Reasoning
Experience in following best Coding, Security, Unit testing and Documentation standards and practices
Experience in Agile methodology.
Ensure quality of technical and application architecture and design of systems across the organization.
Effectively research and benchmark technology against other best in class technologies.
Previous experience of developing VoIP based solution, live streaming/video calling based application
DevOps understanding is a plus.
Previous experience of working in Product/Solution development or Start-ups will be added advantage
Domain Knowledge: Health care
Good Communication skill
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
- Collaborate with team members (product managers, developers, designers) to brainstorm about new features and functionalities.
Desired Profile:
- Knowledge and experience in Flutter Framework and DART programming
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- Hands-on experience in the development IDE Android Studio, Android SDK, Firebase Test Lab
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- Familiarity with push notifications
- Familiarity with IOS integration with Flutter
- Experience using GitHub or a similar environment
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- Experience with Material Design and Android UI design principles, patterns, and best practices
- Good knowledge of adding third-party libraries
- Ability to understand business requirements and translate them into technical requirements
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
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- Critical thinker
- Knoweldge on Adobe XD/ Figma/ Sketch
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- Proven software development experience and ANDROID skills development
- Proven working experience in ANDROID app development and
- Have published at least one original ANDROID app
- Experience with ANDROID SDK
- 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
- Experienced in SWIFT Language
- Design and build advanced applications for the Android platform
- Collaborate with cross-functional teams to define, design, and ship new features
- Work with outside data sources and APIs
- Unit-test code for robustness, including edge cases, usability, and general reliability
- Work on bug fixing and improving application performance
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency
We are looking for passionate engineers and developers who are excited to be part of this mission and wanting to prove themselves and ready to take up the challenge to enhance the social world experience.
Responsibilities :
⦁ Develop our mobile app using Google's Flutter development framework with modular approach and clean code.
⦁ Write efficient Dart code.
⦁ Integrate API.
⦁ Brainstorm the ideas about new features with the team.
⦁ Closely work with the team to bring out cutting edge mobile experience.
⦁ Maintain source code using Git.
⦁ Focus on understanding customers' requirements and translating those needs from product specifications into functional, production-ready code.
Requirements :
⦁ Deep knowledge and Experience in Flutter and Dart (At Least an year).
⦁ Experience building and deploying a moderately complex Flutter app.
⦁ Knowledge of State Management Patterns(Bloc or Provider).
⦁ Familiarity with Design systems.
⦁ Familiarity with RESTful APIs.
⦁ Knowledge of modern authorization mechanisms.
⦁ Strong understanding of Dart, its quirks, and workarounds.
⦁ Good understanding of asynchronous request handling and partial page updates.
⦁ Knowledge of advanced Flutter Concepts like factory constructor, spread operators.
⦁ Proficient understanding of cross-platform compatibility.
⦁ Proficient understanding of code versioning tools such as Git.
⦁ Good understanding of UI rendering behavior and performance.
⦁ Experience in creating animations in Flutter.
⦁ Knowledge of Location Services, Maps, and other common Android/IOS libraries.
Good to have:
⦁ Experience of programming in Android and iOS is a big plus.
⦁ Experience in publishing Flutter apps on the Play Store and Apple App Store is a plus.
⦁ Data Modelling and Knowledge of Domain Driven Design is good to have.
Are you ready for the challenge?
Let's grow together!
We are looking for:
Someone who is passionate about beautifully designed app experiences
Fascinated by all aspects of application development, from brainstorming
and
design to implementation and release.
Team player who can write clean and maintainable code.
Someone with strong foundation in data structures & algorithms, OS,
I/O,
concurrency.
Someone with excellent knowledge of Java Technology Stack, Mobile
Development, and Android eco-system.
Someone with good understanding of mobile app UI/UX and Material Design.
3+ years of software development experience in Android.
Someone with excellent debugging and optimization skills.
Rejolut emerging tech company incorporated in 2017 and an award-winning blockchain development company. We help clients to find the best possible solutions to business use-case using emerging technology that can help them to scale faster & build Innovative digital products for fast-moving companies using ML/AI, Blockchain, IoT, AR/VR, RPA.
Our dogma: We don’t make shit
We are on the mission to technically empower entrepreneurs all around the world.
To know more please visit our website - http://www.rejolut.com/" target="_blank">www.rejolut.com
The ideal candidate will be responsible for developing highly scalable and secure code.
Responsibilities:-
- Able to learn & implement new technology/framework/library at God Speed
- Able to come with the 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:-
- Firm grasp of the JavaScript (and TypeScript or ClojureScript) language and its nuances, including ES6+ syntax.
- 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)
- Understanding of BLOC Patterns
- Strong knowledge & experience in Dart/ Flutter 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
- Paid Sick Leaves
- Healthcare Insurance
- Employee Training & Development Plans
- Performance Bonus
- Flexible Working Hours/ Remote Work
● Ability to design and implement and maintain highly complex systems and subsystems.
● Writing well-designed, testable and efficient code.
● Designing and developing advanced applications for the iOS platform.
● Troubleshoot, debug and optimize existing applications.
Requirements:
● Bachelor's degree in Computer Science or equivalent
● Proficient with Objective-C and Swift, Core Data, Core Animation, Networking
● Experience with performance and memory tuning with tools
● Familiarity with push notifications, MVVM
We are looking for skilled iOS developers who are passionate about solving digital payment problems for over a billion Indians.
Requirements:
- At least 4 years of experience in developing, releasing, and maintaining iOS mobile applications.
- Ability to write efficient, reusable, and maintainable code in Swift.
- Excellent expertise in iOS SDK frameworks and fundamentals.
- Amazing debugging skills with the ability to write unit test cases Strong computer science fundamentals.
- Startup friendly i.e self-starter, quick learner, hard-working, and passionate.







