8 Firebase Authentication Jobs

As an experienced backend developer, you will be responsible for developing and maintaining scalable RESTful APIs using Node.js and Express.js. Your role will involve integrating Firebase Authentication for OTP-based login and designing MongoDB databases for users, merchants, transactions, and ads. You will also handle merchant wallet logic and withdrawal systems, collaborating with the Flutter team for mobile app integration. To be successful in this role, you should have at least 3 years of backend experience with the MERN stack (MongoDB, Express.js, Node.js) and be familiar with Firebase Auth and OTP verification flows. A strong understanding of REST API design and security, including JWT tokens, is essential. Additionally, you should be comfortable working with version control tools like Git. In return, we offer a full-time 4-month contract with free accommodation in Amalapuram. You will be part of a fast-paced and learning-oriented work environment where you can further enhance your skills and contribute to exciting projects. If you meet the qualifications and are excited about this opportunity, we encourage you to apply and be a part of our dynamic team at S-Markitech Digital Solutions.,

Key Responsibilities Cross-Platform App Development Develop and maintain a cross-platform mobile application with a consistent user interface and experience across iOS and Android Ensure high performance, responsiveness, and reliability across devices and operating systems Authentication & Security Integrate Firebase Authentication for secure user login and password handling Image Capture & Processing Leverage native device capabilities for real-time image capture and live previews Implement on-device image processing functions such as cropping, enhancement, and resolution adjustments Build and maintain an image scanning pipeline that is optimized and OCR-ready Image Enhancement & Overlay Enable dynamic text overlay on images with custom font matching and alignment controls Ensure precise placement and styling for text over images to support business use cases Storage & File Management Manage local storage of captured and processed images with a focus on performance and memory efficiency Integrate with third-party APIs for cloud storage (e.g., AWS S3, Google Cloud Storage), file management, and print services Platform-Specific Optimization Account for platform-specific behaviors, such as permission handling and storage paths on iOS and Android Continuously test and refine for compatibility, stability, and user experience Must-Have Qualifications Experience in cross-platform mobile development using Flutter, React Native , or similar frameworks Hands-on experience with Firebase Authentication for secure login flows Proficiency in integrating device camera APIs for real-time image capture Solid understanding of on-device image processing techniques Experience in preparing and optimizing images for OCR (Optical Character Recognition) Familiarity with local storage strategies and file system management on mobile platforms Understanding of iOS and Android-specific behaviors , including permissions and storage management

Key Responsibilities Cross-Platform App Development Develop and maintain a cross-platform mobile application with a consistent user interface and experience across iOS and Android Ensure high performance, responsiveness, and reliability across devices and operating systems Authentication & Security Integrate Firebase Authentication for secure user login and password handling Image Capture & Processing Leverage native device capabilities for real-time image capture and live previews Implement on-device image processing functions such as cropping, enhancement, and resolution adjustments Build and maintain an image scanning pipeline that is optimized and OCR-ready Image Enhancement & Overlay Enable dynamic text overlay on images with custom font matching and alignment controls Ensure precise placement and styling for text over images to support business use cases Storage & File Management Manage local storage of captured and processed images with a focus on performance and memory efficiency Integrate with third-party APIs for cloud storage (e.g., AWS S3, Google Cloud Storage), file management, and print services Platform-Specific Optimization Account for platform-specific behaviors, such as permission handling and storage paths on iOS and Android Continuously test and refine for compatibility, stability, and user experience Must-Have Qualifications Experience in cross-platform mobile development using Flutter, React Native , or similar frameworks Hands-on experience with Firebase Authentication for secure login flows Proficiency in integrating device camera APIs for real-time image capture Solid understanding of on-device image processing techniques Experience in preparing and optimizing images for OCR (Optical Character Recognition) Familiarity with local storage strategies and file system management on mobile platforms Understanding of iOS and Android-specific behaviors , including permissions and storage management

Key Responsibilities Cross-Platform App Development Develop and maintain a cross-platform mobile application with a consistent user interface and experience across iOS and Android Ensure high performance, responsiveness, and reliability across devices and operating systems Authentication & Security Integrate Firebase Authentication for secure user login and password handling Image Capture & Processing Leverage native device capabilities for real-time image capture and live previews Implement on-device image processing functions such as cropping, enhancement, and resolution adjustments Build and maintain an image scanning pipeline that is optimized and OCR-ready Image Enhancement & Overlay Enable dynamic text overlay on images with custom font matching and alignment controls Ensure precise placement and styling for text over images to support business use cases Storage & File Management Manage local storage of captured and processed images with a focus on performance and memory efficiency Integrate with third-party APIs for cloud storage (e.g., AWS S3, Google Cloud Storage), file management, and print services Platform-Specific Optimization Account for platform-specific behaviors, such as permission handling and storage paths on iOS and Android Continuously test and refine for compatibility, stability, and user experience Must-Have Qualifications Experience in cross-platform mobile development using Flutter, React Native , or similar frameworks Hands-on experience with Firebase Authentication for secure login flows Proficiency in integrating device camera APIs for real-time image capture Solid understanding of on-device image processing techniques Experience in preparing and optimizing images for OCR (Optical Character Recognition) Familiarity with local storage strategies and file system management on mobile platforms Understanding of iOS and Android-specific behaviors , including permissions and storage management

Key Responsibilities Cross-Platform App Development Develop and maintain a cross-platform mobile application with a consistent user interface and experience across iOS and Android Ensure high performance, responsiveness, and reliability across devices and operating systems Authentication & Security Integrate Firebase Authentication for secure user login and password handling Image Capture & Processing Leverage native device capabilities for real-time image capture and live previews Implement on-device image processing functions such as cropping, enhancement, and resolution adjustments Build and maintain an image scanning pipeline that is optimized and OCR-ready Image Enhancement & Overlay Enable dynamic text overlay on images with custom font matching and alignment controls Ensure precise placement and styling for text over images to support business use cases Storage & File Management Manage local storage of captured and processed images with a focus on performance and memory efficiency Integrate with third-party APIs for cloud storage (e.g., AWS S3, Google Cloud Storage), file management, and print services Platform-Specific Optimization Account for platform-specific behaviors, such as permission handling and storage paths on iOS and Android Continuously test and refine for compatibility, stability, and user experience Must-Have Qualifications Experience in cross-platform mobile development using Flutter, React Native , or similar frameworks Hands-on experience with Firebase Authentication for secure login flows Proficiency in integrating device camera APIs for real-time image capture Solid understanding of on-device image processing techniques Experience in preparing and optimizing images for OCR (Optical Character Recognition) Familiarity with local storage strategies and file system management on mobile platforms Understanding of iOS and Android-specific behaviors , including permissions and storage management

You have a great opportunity to join as a lead engineer in Web development using ReactJS with Firebase as the backend. With over 7 years of experience, your role will involve a deep understanding of ReactJS and its core principles, such as Virtual DOM, JSX, and Components. You will be expected to have experience with popular ReactJS workflows like Flux or Redux, along with React Hooks, High-Order Components, Pure Components, Functional and Class Components. Your expertise in web and JavaScript technologies, including HTML/XHTML, XML, JSON, CSS, JavaScript, AJAX, DOM, and version control systems like GIT will be essential. In this role, you will need to configure Firebase projects for features such as authentication, Firestore, Crashlytics, Cloud messaging/functions, and integrate Restful APIs with ReactJS applications. An understanding of ES6 and TypeScript concepts, unit testing tools like Jest, and modern authorization mechanisms like OAuth with JSON Web Token will be beneficial. Familiarity with front-end build pipelines and tools such as Babel, Webpack, NPM, and translating designs and wireframes into high-quality code are key responsibilities. As a lead engineer, you will manage tasks in a sprint, review team members" code, and ensure the first-time quality of code. Your duties will include writing clean, well-designed code, translating user stories into technical specifications, and understanding business requirements to convert them into technical requirements. Following modern agile-based development processes, producing detailed specifications, troubleshooting, testing, and maintaining core product software and databases for optimization and functionality will be part of your responsibilities. You will contribute to all phases of the development lifecycle, follow technology best practices, develop and deploy new features, and adhere to ISMS policies and procedures. Additionally, you will participate in the full product development cycle, including brainstorming, release planning, code implementation, coordinating with clients, internal reviews, production releases, quality assurance, and product support. To excel in this role, you should be highly effective, thrive in a dynamic environment, demonstrate proactive communication, technical leadership, and have a positive attitude towards accepting challenges. Your passion for best design and coding practices, along with a desire to develop new ideas, will drive you towards success in this position.,

To develop a secure, low-latency Google Home integration system that connects voice commands to Firebase Realtime Database operations, enabling users to control smart devices like the Neon SmartPlug through natural speech. --- ???? Scope of Work: 1. Google Assistant Integration Create an Action on Google project (using Dialogflow or latest Actions SDK / Google Smart Home platform). Enable account linking via OAuth2 / Firebase Authentication OTP Verification. Implement voice intents for: Turning devices ON/OFF. Setting schedules or timers. Fetching status of a device. Custom interactions (e.g. Is my plug on) 2. Firebase Realtime Database Integration Sync device states in Firebase Realtime Database. Set up secure and cost-efficient data structure. Implement optimized Cloud Functions for: Intent fulfillment. Updating device state. Fetching real-time status. Logging user actions (optional analytics). 3. Cloud Functions (Node.js / TypeScript) Firebase Realtime Database Integration Write backend code to: Parse and respond to Assistant requests. Validate user sessions (via uid and linked identity). Prevent race conditions with concurrent writes. Handle fallback or unknown commands. 4. Firebase Security & User Validation Define Firebase Rules to restrict read/write based on: User uid Device ownership Action scope Ensure cross-user access is completely blocked. Implement access token validation. 5. Multi-user & Multi-device Support Support simultaneous sessions. Structure DB nodes for each user with isolation: /users/uid/devices/device_id/status 6. Testing & Validation Unit test Cloud Functions. Test integration with: Multiple Google Accounts Google Home and Android devices Show more Show less

As a React Native Developer at Nurdd, you will be responsible for building high-quality mobile applications that seamlessly connect with backend services. Nurdd is an advanced marketing attribution platform that revolutionizes how brands measure influencer marketing, focusing on actual performance rather than just impressions. By fostering end-to-end transparency and eliminating middlemen, we empower brands and creators to collaborate with clarity and accountability. In this role, you will work on developing and maintaining cross-platform mobile applications using React Native. Collaborating closely with design and product teams, you will integrate frontend components with RESTful or GraphQL APIs and connect mobile applications with cloud services such as MongoDB, AWS Lambda, EC2, or Firebase. Your responsibilities will also include ensuring app performance, responsiveness, and scalability, along with writing clean, modular, and well-documented code. To excel in this position, you should have 1 to 3 years of professional experience with React Native and a solid understanding of integrating frontend interfaces with backend APIs. Proficiency in cloud services and databases like MongoDB, AWS, or Firebase is essential, as well as familiarity with state management libraries such as Redux or Context API. Strong problem-solving skills, attention to detail, and experience with Git and version control workflows are also required. Preferred skills include exposure to AI-driven products or data visualization frameworks, experience with Firebase Authentication or Firestore, and an understanding of asynchronous data flows and mobile app performance tuning. By joining our team at Nurdd, you will have the opportunity to work on a zero-to-one product that addresses real challenges in the influencer marketing ecosystem, in a fast-paced, outcome-driven environment with on-ground collaboration available at our Mumbai office.,