
- Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance.
- Designing stateless components in React Native.
- Contributing in all phases of the development lifecycle
- Working with the developers to create and maintain a robust framework to support the apps
- Working with the developers to build the interface with a focus on usability features
- Prepare and produce releases of software components
- Optimizing performance for the apps
- Problem-solving skills, analytical mind, and positive attitude
- Ability to think from end users perspective and focused on improving the overall product experience.
- Deliver across the entire app life cycle concept, design, build, deploy, test, release to app stores and support
- Hands on experience with React Native is required
- Hands-on experience in React Native APIs, ReactJS, Javascript, ECMAScript (OOJS) and JSX.
- Strong understanding of JavaScript ecosystem
- Hands on experience on Android in creating Hybrid / Native applications
- Demonstrable UI/UX experience on a large-scale app.
- Thorough understanding of React Native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual
- Good knowledge of JS frameworks like ReactJS is a plus.
Desired Skills and Experience

About Recro
About
Recro is a developer-focused platform that was founded with the aim of seamlessly matching individual expertise with the right opportunities.
We empower talented developers by providing them with relevant experience at fast-growing startups based on technical competencies and aspirations. These opportunities have a significant impact on their career success and help them become their best self.
On the other hand, startups get instant access to top-quality developers with guaranteed productivity from the very beginning. We help them to scale up/down based on their needs, thus ensuring an efficient and high-yielding workforce.
Developers solve real-time complex problems and get exposure to the uplifting and challenging work culture at start-ups like Flipkart, Dunzo, Swiggy, and Zivame among many others. At Recro, we ensure continuous support from our strong community to accelerate careers for developers and strive to create optimal business outcomes for high-growth startups.
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• Ability to easily use Android Studio, including the Android SDK.
• Prior experience as an Android Developer will be advantageous.
• Excellent coding and proofreading skills.
• Ability to manage your workload with minimal supervision
• Proofreading your code and correcting mistakes before each app is released.
• Collaborating with UI and UX Designers, as well as Software Testers, to ensure that each app is presentable and in perfect working order
We are looking for a Mobile Lead (IOS & Android) for one of the leading TMT bar manufacturers & suppliers in Kolkata.
Role - Mobile Lead (IOS & Android)
Experience - 5+ years
Location - Kolkata
Job Description :-
As a Mobile Lead, your primary responsibility is to oversee the development and maintenance of mobile applications for our organization.
Some of the key job responsibilities include :-
1. Leading the Mobile Development Team: You will lead a team of developers, designers who are responsible for building and maintaining mobile applications. You will be responsible for Coding, delegating tasks, setting goals and timelines, and overseeing the team's performance to ensure that the development process runs smoothly.
2. Developing Mobile Applications: You will be responsible for developing mobile applications for iOS and Android platforms, using a range of programming languages such as Swift, Java, Kotlin, and React Native. You will need to ensure that the application is scalable, user-friendly, and meets the specific requirements of the organization.
3. Collaborating with Stakeholders: You will be responsible for collaborating with various stakeholders in the organization, including product managers, project managers, designers, and other development teams to understand the requirements and objectives of the application. You will need to ensure that the application aligns with the overall product roadmap and meets the business objectives.
4. Ensuring Quality: You will be responsible for ensuring the quality of the mobile application, including testing, debugging, and fixing any issues that arise during the development process. You will need to
ensure that the application is free of bugs, runs smoothly, and meets performance and usability standards.
5. Keeping Up with Emerging Trends: You will need to stay up to date with the latest developments in mobile technology, and emerging trends in user experience and design. You will need to ensure that the mobile application is using the latest technologies and is in line with industry best practices.
6. Managing Project Budget: You will be responsible for managing the budget for mobile development projects, including resource allocation, vendor management, and contract negotiations.
Overall, the Mobile Lead is a critical role that requires a strong understanding of mobile development processes and the ability to lead a team to deliver high-quality mobile applications.
Stealth AI Labs looking for a Lead iOS engineer with 6+ years of experience in app development. We need someone urgently, you will be starting next week or asap.
If you currently have a full-time job and want to work Part Time we are ok.
You will be building the app from Scratch based on Figma designs. You will be a part of the founding engineering team. We are working on a cutting-edge technology stack. You will get the opportunity to work on a massive scale project and very complex problems which will help you grow as an engineer. Our restful backend is built in Golang which can handle millions of concurrent users.
Please include your portfolio of iOS apps you have developed
Requirements:
- Experience building iOS apps or apps used by millions of users is a MUST
- We have hard deadlines, speed of development is essential and we want someone who is delivery oriented
- We will be using Swift for the development
- Attention to detail for performance optimization and benchmarking
- Knowledge of reducing app size, minimizing app launch time, skeleton loading
- Write well documented & maintainable code
- Implement automated testing and unit tests for the code you write
- Self-starter mentality who can pick up new skills & can work independently
Responsibilities
- Collaborate with a team of developers and designers to create a web application run on multiple platforms
- Create reusable, effective, and scalable JavaScript code
- Design the data and presentation layer of the web application’s front-end
- Use additional JavaScript libraries such as Redux to manage the web application’s state, derive computed data from the state of the system, and make asynchronous API calls
Skills and Qualifications
- English language proficiency
- 2+ years of professional experience in Native React
- Highly proficient in rendering components with Native APIs
- Highly proficient in JavaScript, modern JavaScript, HTML,
- Highly proficient in one or more libraries (e.g. Redux, React Router, etc) for state managing and routing in addition to React.
As a Senior Software Engineer, you will work as part of a software development team and be responsible
for designing, implementing, and maintaining the back-end of fast-growing web/mobile applications.
You could be an ideal candidate if you have a Bachelor's degree in Computer Science from a reputed
college. You need to have expert-level programming skills in Flutter using Dart along with a deep
understanding of consumer experience. You should have experience working effectively in software
development teams ensuring tight deadlines are met. You should be passionate about writing elegant
code that solves meaningful real-life problems.
You should have already successfully built or made significant contributions to Flutter apps of reasonable
scale that are live on the Play/App store.
What will your role look like?
● Write well-designed, design pattern-based, testable, efficient, and high-quality code in Flutter
using Dart.
● Build UI components in accordance with the design provided by the UX Design team.
● Design (LLD & HLD) and architect technical solutions for the business problems of a B2C app
and support needs of growing scale.
● Support continuous improvement by investigating alternatives and new packages.
● Contribute to all phases of the development lifecycle.
● Prepare and produce releases of the app(s) on Play/App stores.
Roles and Responsibilities
Who are we looking for?
● B.Tech/M.Tech/MCA degree in Computer Science, Engineering or a related subject
● 3-6 years of relevant work experience.
● Strong problem-solving skills, Computer science fundamentals, Data structures, and Algorithms.
● Solid OOP and software design knowledge with a great understanding of consumer journey – you
should know how to develop and deliver an app that’s extensible, reusable, and meets desired
Customer eXperience(CX) objectives.
● Experience working with Design tools like Figma/Sketch/Zeplin as a developer and implementing
the same in Flutter
● Hands-on experience on various product and analytics integration like - MoEngage, Appsflyer,
UxCam, Localytics , Crashlytics, Mixpanel, Branch, Onesignal, etc.
● Knowledge of any other native or cross-platform mobile development framework (e.g. Swift iOS,
Java Android, React Native) would be a plus
● Experience with all phases of the software development life cycle, best practices, and Agile
Software Development.
● Ability to work autonomously, be excited by new technologies, and never back down from the
challenges of scale.
● Be able to perform effective code reviews, and mentor junior engineers.
As part of the Mobile SDK Engineering team at MoEngage, here are some things you can expect:
- Take ownership and be responsible for what you build.
- Work with A players (some of the best talents in the country), and expedite your learning curve and career growth.
- Make in India and build for the world at a scale of 900M+ active users, which no other internet company in the country has seen.
- Learn together from different teams on how they scale to millions of users and billions of messages.
- Work with the customer success team to enable MoEngage customers to adopt Insights-led engagement in different industry sectors like e-Commerce, FinTech, OTT, Social, entertainment, travel, telco, food-tech etc.
- Explore the latest in topics like Mobile development, SDK, iOS, tvOS, various mobile hybrid frameworks and share with the team. More importantly, have fun while you work on scaling MoEngage.
Skills Required
- 6+ years of experience with iOS, Swift, ObjC, Xcode and Cocoa.
- Working knowledge of architecture principles, code organization, and system design.
- Informed and up to date with iOS SDK and ecosystem.
- In-depth knowledge and understanding of the iOS framework:
- Memory Management
- Caching and Persistent data storage
- Multithreading concepts
- Rest APIs Implementation
- Dependency Managers
- Understands the internals of the mobile builds and distribution processes.
- Great communication skills and an ability to work within a team and with cross-functional teams.
- Experience with code reviews, releasing and maintaining mobile applications/SDKs.
Good to Have:
- Knowledge of other cross-platform frameworks i.e, Flutter, React-Native, Cordova, Unity.
- Experience in working and shipping SDKs/plugins.
Designation: Technical Lead - Android (ABL_SS_597)
Position description:
- Responsible for the development and maintenance of applications aimed at a vast number of diverse Android devices.
- Along with Hands-on development will lead the development of Android applications and their integration with back-end services.
- Work alongside other engineers and developers working on different layers of the infrastructure.
- Translate designs and wireframes into high-quality code
- Design, build and maintain high performance, reusable, and reliable Kotlin and Swift code
- Would be working on IOS platforms hands on along with Android.
- Ensure the best possible performance, quality, and responsiveness of the application
- Identify and correct bottlenecks and fix bugs
- Help maintain code quality, organization, and automatization.
Primary Responsibilities:
- Would be building features and services in android and ios.
Required Skills:
- 7 – 11 years of work experience of Kotlin, RxKotlin and Java
- Knowledge of different designing patterns, Preferably MVVM.
- Experience in Socket Programming and Android Jetpack Components.
- Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes &
- Understanding of Android Porting and Build process, Android native and System app.
- Familiarity with RESTful APIs to connect Android applications to back-end services GRPC, Retrofit.
- 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
- Familiarity with cloud message APIs and push notifications, Deep Linking
- A knack for benchmarking and optimization
- Nice to have an understanding of Swift, Objective-C and Cocoa Touch
- Nice to have an understanding with iOS frameworks such as Core Data, Core Animation, etc.
- Experience with offline storage, threading, and performance tuning
- Familiarity with Flutter or React Native
Founded in 2015 by a CII member and serial entrepreneur, our client is democratizing and digitizing the Indian health & fitness ecosystem by offering workouts close to your home, office or your favorite neighborhood.
As a Android Developer- Java, you will be responsible for conceptualizing, designing and building advanced application for the Android platform.
What you will do:
- Collaborating with cross-functional teams to define, design, and ship new features
- Unit-test coding for robustness, including edge cases, usability, and general reliability
- Bug fixing
- Improving application performance, optimization for loading times
- Continuously discovering, evaluating and implementing new technologies to maximize development efficiency
- Conducting Code Reviews
Desired Candidate Profile
What you need to have:- Bachelors/ Master’s degree in Computer Science, Engineering or a related subject
- Minimum 3 years work experience in mobile application development
- Proficiency in Problem Solving, Data Structures and Algorithms
- Strong knowledge of design concepts and constraints on mobile platforms
- Proficiency in Java/Android
- Ability to use third party SDKs
- Familiarity with Firebase, FCM, IMA, Google Services and Facebook SDK
- Demonstrable experience building excellent mobile apps that are currently in Google Play Store
- Experience with HTML5, Java, Responsive Design and flutter













