React Native
React.js
NodeJS (Node.js)
Javascript● Portfolio or a GitHub account of cool projects;
● Prior experience with native Mobile Application Development for iPhone and Android
using (Objective – C and Swift, or Java);
● Experience with Augmented Reality SDKs;
● Experience with Web Services(REST and SOAP), JSON and XML, MySQL, SQLite, and
mobile database expertise;
● Familiar with performance tools and optimization techniques;
● Experience in working with Continuous Integration(CI) and Unit Testing;
● Familiar with at least one end-to-end testing framework, such as Selenium or
Protractor;
● Expert–level knowledge of JavaScript(ES5 / ES6), CSS3, and FlexBox;
● Experience creating SDKs;
● Recent experience working with Nativescript, React Native, Redux, Node.js, Git, and
NPM;
● Experience working with third-party libraries and other APIs;
● Experience with application analytics.
Shubham Vishwakarma
Full Stack Developer - Averlon
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React Native
FlutterPosition Title:
SDE Intern – Mobile Application
Location: Remote
Duration: 6 months (with potential for full-time conversion based on performance)
About PGAGI:
At PGAGI, we believe in a future where AI and human intelligence coexist in harmony, creating a world that is smarter, faster, and better. We are not just building AI; we are shaping a future where AI is a fundamental and positive force for businesses, societies, and the planet.
Key Responsibilities:
• Develop and maintain cross-platform mobile applications using Flutter or React Native.
• Collaborate with UI/UX designers and backend developers to deliver seamless app experiences.
• Integrate RESTful APIs and work with JSON data parsing, asynchronous programming, and real-time data handling.
• Participate in regular code reviews and follow best practices in mobile development.
• Debug and troubleshoot issues, optimize app performance, and write unit tests.
• Learn and apply Git-based version control, task tracking, and agile workflows.
⸻Required Skills & Knowledge :Programming & Frameworks:
• Proficiency in Dart (Flutter) or JavaScript/TypeScript (React Native).
• Good understanding of OOP and functional programming principles.
• Experience with:
• Flutter: Widgets, navigation, state management (Provider, Bloc, etc.)
• OR React Native: Components, Redux, Context AP
IComputer Science Fundamentals:
• Basic understanding of data structures (arrays, stacks, queues, hash tables).
• Knowledge of basic algorithms (sorting, searching).
• Awareness of time complexity and code efficiency.
• Solid grasp of programming concepts like variables, loops, conditionals.
Mobile Development Concepts:
• Experience in building and deploying cross-platform mobile apps.
• Understanding of responsive design, Material Design, and iOS Human Interface Guidelines.
• Familiarity with asynchronous operations (async/await, Promises) and REST API integrations.
Networking & APIs:
• Basic knowledge of HTTP/HTTPS, request methods, and status codes.
• Hands-on experience using Postman or similar tools for API testing.
• Understanding of API security, including authentication and SSL basics.
Tools & Technologies:
• Familiarity with Git (GitHub, GitLab, Bitbucket).
• Experience using IDEs like Android Studio, VS Code, or Xcode.
• Awareness of unit testing frameworks (e.g., Flutter test, Jest).
• Understanding of build tools such as Gradle or Metro bundler.⸻
Preferred Qualifications:
• Pursuing or recently completed a B.E./B.Tech in Computer Science, IT, or related fields.
• Portfolio of previous mobile app projects (GitHub/Play Store link preferred).
• Willingness to learn, experiment, and work in a collaborative environment.
⸻What We Offer:
• Opportunity to work on real-world projects with direct mentorship from industry experts.
• Certificate of Internship and potential PPO (Pre-Placement Offer) based on performance.
• Exposure to modern product development practices and cross-functional team collaboration.
React NativeJob Description: SDE – Mobile / Full-Stack Developer with IoT & AI Knowledge
Role: Software Development Engineer – Mobile / Full-Stack
Experience: Minimum 2 years
Work Mode: Work from Office
Employment Type: Full-time
About the Role
We are looking for an SDE with strong React Native mobile development experience, full-stack development knowledge, and a clear background in IoT-based systems.
The candidate should have hands-on experience working with mobile applications that interact with IoT devices, sensors, hardware systems, real-time device data, or cloud-based IoT platforms.
Knowledge of AI-based systems, AI integrations, automation workflows, LLMs, or AI-powered product features will be considered a strong advantage.
The ideal candidate should also have basic team-leading capability, ownership mindset, and the ability to manage technical execution with a small development team.
Key Responsibilities
- Develop and maintain mobile applications using React Native.
- Build scalable, reusable, and production-ready mobile app components.
- Integrate mobile applications with backend APIs, databases, and cloud services.
- Work on IoT-based integrations, including:
- Device-to-app communication
- Sensor data handling
- Real-time device monitoring
- MQTT / WebSocket-based communication
- Hardware-software interaction
- IoT dashboard or control system integration
- Collaborate with hardware, backend, frontend, AI, and product teams.
- Work on AI-enabled features where required, such as:
- AI-based automation
- Data analysis
- AI alerts or recommendations
- LLM/API integrations
- Smart monitoring or decision-support systems
- Lead small development tasks and guide junior developers.
- Review code, debug issues, and improve application performance.
- Participate in architecture planning and technical decision-making.
- Ensure proper documentation of mobile flows, APIs, IoT integrations, and system logic.
Required Skills
- Minimum 2 years of experience in React Native mobile development.
- Strong knowledge of JavaScript / TypeScript.
- Experience in mobile app development for Android and/or iOS.
- Hands-on exposure to IoT systems or IoT-enabled applications.
- Experience working with IoT device data, sensors, MQTT, BLE, Wi-Fi modules, embedded systems, or real-time hardware communication.
- Experience with REST APIs, WebSockets, and real-time data handling.
- Basic full-stack development knowledge using Node.js, Python, FastAPI, Express.js, or similar backend technologies.
- Database knowledge such as MongoDB, PostgreSQL, Firebase, or similar.
- Understanding of Git, debugging, deployment, and development workflows.
- Ability to lead tasks, coordinate with team members, and take ownership of delivery.
AI Knowledge — Strong Priority
Candidates with knowledge or experience in the following will be preferred:
- AI-powered applications
- LLM API integrations
- OpenAI / Gemini / Claude APIs
- AI automation workflows
- AI-based monitoring or analytics
- Computer vision or sensor-data intelligence
- Predictive alerts or recommendation systems
- AI agents or intelligent assistants
- Prompting and AI workflow design
Good to Have
- Experience with AWS IoT, Azure IoT, Google Cloud IoT, Firebase, or similar platforms.
- Experience with MQTT brokers, BLE, embedded hardware, Raspberry Pi, Arduino, ESP32, or similar devices.
- Native Android/iOS development knowledge.
- Experience building dashboards for IoT monitoring or device control.
- Prior experience in AI + IoT projects.
- Previous experience leading a small development team.
Candidate Expectations
- Must be comfortable working from office.
- Should have strong ownership and problem-solving ability.
- Should be able to work across mobile, backend, IoT, and AI-related modules.
- Should communicate clearly with both technical and non-technical teams.
- Should be disciplined with timelines, documentation, and reporting.
- Should be capable of guiding junior developers and coordinating execution.
iOS App Development
Objective C
SwiftLocation: Bangalore
Our Vision:
Company is building a first-of-its-kind, lifestyle health product for Women in India. We believe that the future of health and fitness is digital, and women will drive the digital fitness revolution in India. Existing digital health and fitness products are highly transactional and we see a huge opportunity to build a truly aspirational product that will
inspire and empower millions of women to lead healthier lives. If you are passionate about building a product that blends together technology, content, and community, we would love to talk to you.
Requirement:
Company is looking for results-oriented Engineers. An ideal candidate for us would be a passionate builder of great products/frameworks and someone who would thrive in a fast-paced environment and enjoy the challenge of complex business contexts that are typically being defined in real-time. In this role, you will be responsible for building world-class technology products and platforms that are at the forefront of the technology revolution in the Indian healthcare
ecosystem. You are someone who insists on the highest standards for quality, maintainability, and performance. You will be working in a fast-paced and agile work environment delivering quality solutions that have an immediate business impact.
Responsibilities:
- Design and build highly reliable and performant applications that deliver a great user
experience.
- Own large technical deliverables and execute in a structured manner.
- Take the accountability of the overall health of the applications you build.
- Platformize components as libraries, utilities and promote reuse.
- Be able to conceptualize and develop prototypes quickly.
- Lead by example, mentor and guide team members on everything from structured
problem solving to development of best practices.
What we are looking for:
- Deep expertise of the iOS and Android ecosystems.
- Hands-on experience with either React Native, Flutter, Swift or Kotlin.
- Deep understanding of your tools: Languages, frameworks, systems.
- Experience with abstracting requirements into frameworks.
- Hungry to learn, share knowledge, and enjoy mentoring others.
- Data driven, having customer empathy, striving to build stable, delightful
applications.
- [Optional, but desired] Experience with video streaming and Real Time
Communication technologies.
React NativeJavascript
Android DevelopmentWhat does the core role include?
- 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
What else can you expect in the role?
- 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
What can fetch you brownie points?
- 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
Hybrid Apps,React Native, Native iOS and Android Architecture understanding
React NativeAndroid DevelopmentiOS App DevelopmentWhat 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.
React NativeAndroid DevelopmentiOS App DevelopmentThe thrill of working at a start-up that is starting to scale massively is something else. Simpl (FinTech startup of the year - 2020) was formed in 2015 by Nitya Sharma, an investment banker from Wall Street and Chaitra Chidanand, a tech executive from the Valley, when they teamed up with a very clear mission - to make money simple, so that people can live well and do amazing things. Simpl is the payment platform for the mobile-first world, and we’re backed by some of the best names in fintech globally (folks who have invested in Visa, Square and Transferwise), and
has Joe Saunders, Ex Chairman and CEO of Visa as a board member.
Everyone at Simpl is an internal entrepreneur who is given a lot of bandwidth and resources to create the next breakthrough towards the long term vision of “making money Simpl”. Our first product is a payment platform that lets people buy instantly, anywhere online, and pay later. In
the background, Simpl uses big data for credit underwriting, risk and fraud modelling, all without any paperwork, and enables Banks and Non-Bank Financial Companies to access a whole new consumer market.
In place of traditional forms of identification and authentication, Simpl integrates deeply into merchant apps via SDKs and APIs. This allows for more sophisticated forms of authentication that take full advantage of smartphone data and processing power.
We are looking for an experienced (>4 years) mobile developer who is proficient with Android/iOS platforms along with exposure to React Native. You should have a sense of great ‘taste’ and be excited about building products with exceptional UX. You should be able to implement established best practices across the mobile platform including automation testing, continuous integration, and architectural patterns.
Responsibilities
1. Developing new user-facing features using Android/iOS and React Native
2. Building reusable and platform specific components
3. Translating designs and wireframes into high-quality code
4. Optimizing components for maximum performance on Android and iOS
5. Brainstorm with designers & product managers to come up with product features
Requirements
1. Strong proficiency in tech stack (Java for Android developers & Swift, Objective-C for iOS
developers)
2. Thorough understanding of React Native and its core principles
3. Experience with popular React Native workflows (for Routing, State container, etc)
4. Experience with Native modules, bridging native code with React Native
5. Familiarity with newer specifications of ECMAScript
6. Experience with developing SDKs for Android or iOS platform is a plus
7. Familiarity with RESTful APIs
8. Familiarity with build pipelines and tools for mobile platforms
9. A knack for benchmarking and optimization
FlutterAndroid DevelopmentiOS App DevelopmentAs 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.
React NativeAndroid DevelopmentiOS App DevelopmentFlutter• Own architecture, design, development, and implementation of different
modules/features of the Application
• Be up to date with the latest trends in Mobile App/React Native ecosystem
• Bring in industry best practices
• Take ownership to drive an initiative to completion
• Discover opportunities for performance improvements
• Recommend ways to improve reliability, efficiency and code quality
• Focus on continuous delivery and reducing complexity
• Carry out code reviews and manage pull requests within the mobile application
development team
Requirements
• Overall 5+ years of experience in Mobile Application development
• At least 2+ year of hands-on experience in developing Mobile applications with
React Native
• B.E/B.Tech in CS or equivalent streams from institute of repute (IITs, NITs, BITs,
IIITs or equivalent)
• Familiar with native build tools - XCode, Android studio, etc.
• Ability to write readable and maintainable JavaScript code
• Ability to build pixel-perfect user interfaces with smooth interactions
• Knowledge of Web technologies and concepts - HTML, CSS, REST APIs,
Caching, etc.
• Knowledge on Android and iOS fundamentals is a must
• Experience developing Android/iOS native applications using
Java/Kotlin/Swift/Objective C is a plus
• Mobile application development experience with Flutter/Ionic is a plus
Android Development
Java
KotlinReact NativeDear all,
CONTUS is looking for an ever-growing team with young brains in majority and a couple of senior experts to guide them. A fun-filled group that learns by doing things and love what they do. Opportunities are wide as we not only take up client projects but churn out own apps as well.
Why should you choose Contus?
- A great platform to learn and work in complex full stack development projects Angular, React, Node, Laravel which can take to the next level.
- Attractive perks as per Industry standards & Essential benefits
- Five days of work in a week with flexible work timings.
- A great opportunity to handle Enterprise Accounts across the globe and to manage projects in Internet of Things(IoT), Block-Chain, Full Stack development, Enterprise Mobility, DevOps, Agile and a lot more to keep yourself updated on current trends
- Enterprise accounts includes leading Automobile, Network Security, Truck, Construction, Embedded Electronics oriented clients all over the world which seeks our help in Digital Transformation
CONTUS 11 - https://www.youtube.com/watch?v=sOC62PTw2MU">https://www.youtube.com/watch?v=sOC62PTw2MU
CONTUS Awards 2018 - https://www.youtube.com/watch?v=EX8NEQFQ60s&;t=50s">https://www.youtube.com/watch?v=EX8NEQFQ60s&;t=50s
Designation : Application Developer / Sr.Application Developer / Tech Lead - Android
Mode of Employment : Permanent
Salary : Industry Standards + Benefits (Medi-Claim Insurance & Accidental Policy)
Work Location : Guindy, Chennai
Working days :Monday to Friday 9.30 AM to 6.30 PM (Flexible 8 Hours)
Venue Details:
CONTUS
- Kamak Towers, 12A,(SP), 6th floor,
- Thiruvika Industrial Estate, Ekkatuthangal, Guindy, Chennai - 32.
- Land Mark: Behind Olympia tech Park.(3rd right)
Note:
*** Candidates attended in 3 Months of duration are not eligible to apply again ***
Job Summary :--
An ever-growing team with young brains in majority and a couple of senior experts to guide them. A fun-filled group that learns by doing things and love what they do. Opportunities are wide as we not only take up client projects but churn out own apps as well.
Responsibilities:-
*Develop and create applications for client projects and in-house requirements.
*Make use of Android frameworks to create UI faster, take control/understand client projects from start to end.
*Deliver the projects successfully in-time with quality.
*Stay updated on the latest industry trends, development practices and evolving mobile technologies.
What we look for :-
Good analytical and programming skills in Java, Android 2.2 + SDK/NDK Development (Web Services & API's, LBS, UI and XML, Layout Design, Social Network Integration, Content Providers etc.), XML, JSON, SQLite3 and MySQL.
Handful experience in tools like Android Studio, Eclipse and analytical tools like Find Bugs and PMD.
Basic knowledge about Hybrid Application and ideas on publishing applications in Android Market.
Knowledge of PHP-driven CMSes & versioning tools like SVN will be added an advantage.
Should be able to do Client Interaction
Expertise in design and development of applications to Android devices / platform.\
Maintain quality and ensure responsiveness of applications.
Hands on experience with Android Studio, APIs and Database usage.
Expertise in automated test tools for Android application.
Exposure to UI design principles and best practices.
Knowledge of open-source Android ecosystem and the available libraries.
Experience in NDK/C++/Java/Android framework.
Hands on experience with SCM tools and services such as Git, Gitlab, gerrit, SVN, others
Familiarity with open source tool chains.
Other GUI design tools and framework experience desirable.
The following are the criteria, that we expect experienced candidates to meet.
- Strong in OOPS concepts and must know how to incorporate them in projects.
- Must have through understanding of all these android components. (Activities, Fragments, Service, Intent Service, Broadcasts, AsyncTasks, SQLite, Push Notifications)
- Must have strong understanding of data structures of the Java's Collections API. (List, Map, Set, Queue)
- Must be comfortable in writing multi-threaded and thread safe applications.
- Must be familiar with design patterns (MVP, MVVM).
- Should be comfortable using Android Profiler for tracking memory, network and cpu usage.
- Should be familiar with writing applications for portrait and landscape orientations.
- Added advantage if the candidate can code in kotlin.
- Added advantage if the candidate has knowledge on XMPP, Socket, Webrtc, VOIP, BLE, Bluetooth Classic.
Kindly prepare on below topics well;
OOM
JVM
Multithreading, Overriding, Overloading
Abstraction, async task,
Main thread, Services
About CONTUS :-
CONTUS started providing digital transformations solutions and services since 2008, even before the actual digital transformation era started. Today after a proud 11 years of successful existence, Contus is consciously driven by the future of Digital techs, not by the current or legacy techs.
The solutions and services of Contus have connected millions of devices and people and hearts across the globe right from heartbeats monitors to Televisions to Cars & trucks to smart cities, with it's Over The Top (OTT) Video on Demand and messaging solutions and also with its full stack IOT enablement services.
With hundreds of digital engineers @Contus, we have enabled millions of end users to connect for elaborate used cases in more the 50 countries.
To know more about us, visit http://www.contus.com/">www.contus.com, a leading mobile application development and web development company
Android DevelopmentJavaNodeJS (Node.js)
MongoDBZobaze is an early-stage startup, based out of THUB, Hyderabad.
Experienced developers who can develop Mobile Applications using Flutter.
Work closely with founders on building product.
Requirements -
Strong Knowledge of Java
Experience in building Apps with Android Studio
Product mindset, ability to take product manager hat if required in the future.
Have to do multiple tasks if required
Stock Options ( ESOP )
Note: It's not a 9to5 job.
A lot to learn.
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon