Mobile backend jobs

I urgently need a skilled Node.js developer to focus on backend development. The primary task is to integrate a payment gateway. We followed the instructions provided and implemented the following code using server-side Node.js. We utilized ngrok to enable HTTPS connections. We have successfully initiated a transaction using this code in the uploaded file. However, we encountered an issue retrieving the transaction, which should have been provided but is not available. We were advised to handle callbacks and decrypt the response, but we're facing difficulties in doing so. Handling callbacks and post-success payment URLs did not resolve the issue. We now need

I am looking for: - An expert Swift/Kotlin developer with in-depth understanding of the Mobile App Development, as well as Firebase. - The app will be developed for both iOS and Android platform. - I have a Figma design and DB structure. - You should be an individual reliable/honest developer. Agencies will be declined automatically. - You need to sign a NDA to get started. - If you're proficient with all these specifications, you could well be the professional I'm looking for.

I am a php developer building api project on python , I need someone to assist me on project

Create Gaming Dating Mobile App (Ex.- Hello Yo & Ludo Play Room etc.)

Hello, 80% of the apis are ready , rest 20% are to be done. Total 6 to 8 apis are to be constructed. This is the documentation and completed apis: More details: What specific tasks would you like the Node developer to perform? Backend development What information should successful freelancers include in their application? Experience Are there any specific programming languages or frameworks that the Node developer should be experienced in? JavaScript

...base reservation as we always work at night, today as ours is starting from 5pm until 4am next morning 2. duration (how many hours) and number of people per reservation when request reservation 3. able to post only limited rooms to online (we will make availability with only 3 salas out of 7 salas on online) 4. back end, admin has no limit to post reservation even out of open hours 5. Admin (Backend) able to move reservation hour or reduced / extend duration 6. clients can't change reservation after confirmed or can't cancel 7. reservation status showing either by color or text (sala unassigned/arrived/left) 8. able to work with stripe (payment method : card / bank transfer) prepayment (%) when making reservation, and the rest payment when they arrived. before p...

Hello We need to create the simple web application integrated chatgpt api There are 3 screens only (login/signup, choose model, result pages) We will provide the figma design. Frontend: react Backend: node & python Database: postgre db it will be complete in 2 days, We will hire only freelancers, not agency. If you are good fit for this task, please bid with 'not agency' word. Thanks

I urgently need a mobile app for travel developed! - The app should be compatible for Android and iOS. - The main goal is to create a platform that supports travel-related services. - The exact features will be discussed later but they will likely include, but not be limited to, features like flight and hotel booking, city guides and maps, language translation and more. - Experience in e-commerce app development will be a plus, as this app will include booking and purchasing functionality. - Ideally, I'm looking for someone who has previously worked on similar travel apps. Please bid only if you can commit to a fast-track development process, as completion of the project is needed ASAP.

I am looking for a dating application in flutter with admin panel using node js. I don't want to use firebase as the operating cost will become high. So need a solution which will be cost friendly in terms of monthly/yearly operating cost.

I am seeking a uniquely skilled developer to create a dynamic logistics application. The primary function of this app is to manage service logistics, enabling efficient assignment of tasks to technical teams. As the demands on the system will be varied, the selected expert should ideally have a strong command of angular 17 for frontend development, and Postgres for backend purposes. Core functionalities: - Service Creation: The app should enable the initiation of services. - Automated Service Assignment: The app should come with an in-built mechanism to assign services to the technical team based on their current availability. - Urgency-based Ranking: Prioritize assignment of services according to urgency, working on a first-come-first-serve basis. Preferred Skills and Experie...

...comprehensive web and mobile application built. This project's goal is to manage service logistics from requesting to delivering. Some key features I need are: - User Management: Implementation of user registration/login, user roles, and permissions, and user profile management are essential. - Service Request Management: An efficient system for creating new service requests and assigning them to specific users or teams. Furthermore, being able to track the status and progress of these service requests is crucial. - Real-time Notifications: The applications should notify users in real-time as changes or updates are made. Advice on the best technologies to use for these functionalities is also needed. Ideal candidates for this job have experience building similar web and ...

I'm seeking an experienced app developer who can assist me in enhancing existing features in my existing mobile application. It has been available on both IOS and Android for 4+ years, and I need the following enhancements: - Improve app’s existing feature set, to run as intended: The app has a few feature sets with inconsistencies or tend to be unreliable. Enhancements and overall App should be fine tuned for improved responsiveness, and a better customer experience. - Soften existing UI found within Communications: Modify the content being sent within email communications, with consistent interface populated with the appropriate details drawn from the App. - Admin Dashboard - surface additional details in the existing dashboard, that are already captured in the A...

More details: What platforms would you like the auto-rickshaw booking app to be developed for? Both What specific features should be included in the app? Real-time tracking, Integrated payment system, User rating system Do you have any design preferences for the app? Minimalistic and clean We can book auto using mobile phone, online through web portal and kiosk in the exhibition.

Java based app backend for tourism activities need 2 things. 1 - add a copy activity in activity page to copie a existing activity content to a new one 2 - migrate backend from vps centosOS to cpanel based hosting.

...Implement secure authentication mechanisms for client connections Design scalable server architecture for hosting on rented solutions and in-house servers Create comprehensive documentation and instructions for server deployment and management Preferred Qualifications: Candidates from the European region are preferred due to potential future travel requirements to our offices Experience with backend development, intranet systems, and client-server architectures Please note that additional project details will be provided upon signing a Non-Disclosure Agreement (NDA) due to the confidential nature of this live project. To apply, please submit your resume, cover letter, and relevant samples of your work. We look forward to hearing from passionate and skilled professionals in th...

WRITE HTML CODE. CONTENT AND PHOTOS INCLUDED. GENERIC DESCRIPTION TO BE USED ON ALL LISTINGS.

...issues/spacing issues/responsiveness issues and work well and look good on mobile/laptop/desktop for my website using the MERN Stack. The key features of the front end design include a responsive design, user-friendly navigation, and custom animations. I prefer to use Tailwind CSS for this project. I need the project completed within 1-2 weeks, so the ideal candidate will have experience working with tight deadlines and be able to deliver quality work within a short timeframe. Tech: Front-end Framework: React.js/Angular with + Typescript Styling: Tailwind CSS Requirements: - Must be ready to be able to be integrated with a backend and have all components and APIs required - Must be responsive (work across mobile/desktop/laptop/tablet screens) - Must not have ...

I am looking for an experienced Android developer to help with a couple of key issues in my app. The primary focus should be on UI improvements. Key Tasks: - Refactoring and enhancing the UI of my Android app - Improving the layout and design, including color scheme and branding, typography and font styles, iconography and visual elements - Ensuring a smooth navigation flow - Enhancing user interaction and feedback Other requirements: - The app's token refresh mechanism must be revised and optimized - You should be able to ignore battery optimization permission I would ideally like a freelancer who is experienced with Java, Android Studio and UI/UX principles. Experience with token refresh mechanisms and battery optimization is also highly desirable. Please provide examples of prev...

I am looking for an experienced Android developer to help with a couple of key issues in my app. The primary focus should be on UI improvements. Key Tasks: - Refactoring and enhancing the UI of my Android app - Improving the layout and design, including color scheme and branding, typography and font styles, iconography and visual elements - Ensuring a smooth navigation flow - Enhancing user interaction and feedback Other requirements: - The app's token refresh mechanism must be revised and optimized - You should be able to ignore battery optimization permission I would ideally like a freelancer who is experienced with Java, Android Studio and UI/UX principles. Experience with token refresh mechanisms and battery optimization is also highly desirable. Please provide examples of prev...

We are seeking an experienced mobile app developer to create a robust application for reselling data eSIM on both Android and iOS platforms. The app will enable user registration, data plan selection, eSIM activation, payment functionality, and additional features as outlined below. Requirements: Platform: The app should be developed for both Android and iOS platforms. Functionality: User registration and login features with secure data collection (Name, email, phone number) for marketing purposes. User consent for data collection and Terms & Use agreement mandatory. Social media login options (Google/Facebook) for simplified registration (optional). Data plan selection and eSIM activation within the app. Integration of payment gateways for transactions. Data Usage Tracking:...

**Job Type**: Full-time **About Us**: We are a startup in stealth mode located in the Bay Area. Our mission is to revolutionize Event management through innovative solutions and cutting-edge technology. **Role Overview**: We are seeking an experienced Backend Developer with strong expertise in FastAPI to join our dynamic team. This individual will be responsible for building and maintaining the server-side logic, ensuring high performance and responsiveness to requests from the frontend. **Key Responsibilities**: 1. Design, build, and maintain efficient, reusable, and reliable FastAPI code. 2. Implementation of security and data protection solutions. 3. Integration with frontend components and third-party services. 4. Define and maintain the database models and schemas using Mong...

The app is supposed to: - Search for specific product and add it in the cart with all needed information: delivery location, accessories, quantity. (Example: HP laptop with 14in size) - Compare the product price and service quality in the platforms and give results of the comparison. ( example: price in Amazon for the laptop is 1000$, delivery time is 3 days, the reviews are 4 star. Same for other platforms) - Direct the user to the selected platform to complete the purchase. (Example: to purchase the laptop from Amazon)

Hello everyone, I'm in search of a seasoned developer with extensive expertise in Telegram bot development. I'm managing a Telegram channel and require your assistance in crafting a sophisticated bot that will greatly benefit our users. ***Please check attachments! It's imperative that you possess proficiency in both frontend and backend development, as I'll also require an admin website to complement the bot's functionalities. As for the bot's specific features, I'm open to suggestions! Take a look at the channel and apply with your creative ideas on how the bot can enhance user experience. Looking forward to hearing your innovative proposals. Thank you! Warm regards

I'm searching for a seasoned full stack mobile application developer to create a highly functional mobile app. This application will be developed for both Android and iOS platforms. Key Features: - User Application: This will allow users to register and scan QR codes to obtain queue numbers. - Admin Application: This console will be used to call customers and manage respective details. Additional Attributes: - The user app will need integration for Push notifications, Location tracking, and Social media platforms. Ideal Skills: - Full Stack Mobile App Development - QR Code Integration - Real-Time Notifications Integration - Strong knowledge in Geo-Location features - Social Media APIs Experience with these features, particularly within queue-managem...

I'm in need of an experienced mobile app developer with proficiency in PayPal API integration. The app is intended for an adult audience and the key functionality will be payment processing. Ideal Skills: - Experience in cross-platform mobile app development (both Android and Apple) - Expertise in PayPal API - A clear understanding of secure payment processing - Code Review will be carried out as part of the testing process Expected Output: - A smooth, intuitive cross-platform app - Seamless and secure payment processing utilizing PayPal. Candidates should have a strong portfolio showcasing similar projects. If this sounds like you, please bid with your plan of action and expected timeline. The Project: There is a requirement to develop a piece of code that; 1. R...

WRITE HTML CODE. CONTENT AND PHOTOS INCLUDED. GENERIC DESCRIPTION TO BE USED ON ALL LISTINGS.

I'm looking for a skilled marketing expert to increase the member count of an established Discord server. With more than 500 members, the server is to buy or sell your ingame items or accounts. Key Tasks: - Brining Organic members who will buy or s...With more than 500 members, the server is to buy or sell your ingame items or accounts. Key Tasks: - Brining Organic members who will buy or sell accounts . - Engaging these targeted individuals with compelling and persuasive techniques. - Successfully growing the member count of the server. Ideal Candidate: - Previous experience with Discord and its functionalities. - Strong understanding of mobile gaming communities. - Proven record in successful marketing and member growth strategies. - Ability to effectively engage a tar...

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We need an experienced full-stack developer to participate in building the backend of a chatbot, which is built using an event-driven microservices architecture. REQUIRED SKILLS: 1-Proven expertise in designing, implementing, and managing applications built using event-driven microservices architecture 2-Proficient in integrating and consuming RESTful APIs to enable seamless communication between microservices 3-Skilled in testing and debugging microservices to ensure high performance, reliability, and scalability Identity and Access Management (IAM) 4-In-depth knowledge and hands-on experience with at least one of the following IAM solutions: 1.1 -Keycloak. 1.2-Casdoor. 5- Strong proficiency in Python programming language 6- Expertise in developing RESTful APIs using the Fast API...

More details: Which platform(s) should the app be developed for? Both What essential features should be included in the audio calling app? Contact list import, Call recording, 3-way calls How should the audio calling app handle user registration and authentication? Email and password login, Phone number verification

I'm in need of a skilled UIZARD expert, preferably based in Mumbai, for developing a mobile application. My aim is to have this project completed within a week. Key features for this app include: - User login/authentication - In-app purchases - Push notifications The app itself will be a sophisticated blend of Airbnb and Facebook, with an extensive set of features. Therefore, I'm seeking a professional with a robust understanding of these two platforms, and the capacity to deliver a high-quality, user-friendly final product on both iOS and Android & a web-app. A potential candidate would be someone with: - Prior experience in developing complex mobile apps - Proficiency in UIZARD - A strong background in UI/UX design - A track record of meeting tight deadline...

I am looking for a developer to create a Form Builder application that will be compatible with both web and mobile. Technologies: .NET 8 Blazor Server (web) + .NET MAUI Blazor Hybrid (mobile). MudBlazor (component library) JSON The application should have a builder component and a runner component. The timeline for the project is within a month. Here are some of the functionalities that are required in the form builder section of the application: - Capability to add various types of fields including but not limited to: * Text fields * Multiple-choice questions * Date fields * Dropdown fields * Free text fields - Ability to add a feature to take photos and store them locally. Freelancer Experience. Blazor Server (targeting web) .NET MAUI Blazor Hybrid (targeting...

I'm seeking an experienced app developer who can assist me in making several key changes to my existing mobile application. It's currently available on both iOS and Android, and I need the following enhancements: - Add new features: I want to introduce fresh, innovative functionalities to the app to improve user experience and increase its utility. - Improve app performance: The app should run more efficiently and smoothly. Enhancements could include faster loading times, smoother animations, and better overall responsiveness. - Changing text: I need to modify the text content within the app, ensuring consistency and accuracy across both platforms. The ideal candidate should have significant experience in cross-platform app development, a strong grasp of UI/UX design, an...

I'm looking for an experienced web developer to help me build the structure of my events website. Here's what I need: -Website: The primary purpose of the website is to display upcoming and past events and have users to register / subscribe for newsletter - Admin Backend: To add / remove / manage events, see subscribers, compose and send newsletter to subscribers Development language and hosting platform is flexible

...system should include pages for user management, transactions, surveys, and system settings. The user back office should provide easy access to personal data, token balance, transaction history, tasks performed, and direct referrals. Implementation of a personalized referral link for each user, allowing them to easily share the link to invite new users to the platform. 2. Backend e Lógica de Negócios: Development of a robust backend architecture to support the functionalities of administration and user back office. Implementation of business logic to calculate token appreciation based on survey responses and manage the referral and commissioning system. Payment management system to process transactions related to token purchases and referral commissions. 3. ...

I'm seeking an experienced deve...experienced developer to convert my existing Laravel website into a mobile app with a web view. Key Requirements: - Create a mobile app that mirrors the functionality of my current website - Integrate a web view that is compatible with both iOS and Android devices - The mobile app should have a responsive design that adapts well to different screen sizes - Ensure that the app is user-friendly and optimised for mobile use Note: - Please showcase your past work, especially in creating web views for existing websites. - Knowledge of Laravel is a plus, but not mandatory. The main goal of this project is to increase my website's accessibility by having a mobile app version. Please provide a portfolio of your pa...

My Client is looking for an experienced Full Stack PHP CI4 and Laravel developer to join our dynamic project team. Our project involves comprehensive backend development, efficient API integration, intricate database management, and crafting a frontend with a customizable layout that stands the test of user experience. **Key Responsibilities:** - **Backend Development:** Implement robust functional logic ensuring seamless data processing and workflows. - **API Integration:** Efficiently connect our platform with necessary external services and APIs for enhanced features. - **Database Management:** - **Data Migration:** Safely transition existing data resources to our new system without loss. - **Performance Optimization:** Continuously monitor and tweak the database p...

In this project we need to remake the app (which is in React Native) in Flutter, in order to monetize with Yandex ads.

I'm seeking a talented mobile app developer to create engaging multiplayer games for both iOS and Android platforms. Key Requirements: - Multiplayer Functionality: The games should support online multiplayer capabilities to provide a competitive and interactive experience for users. with payment gateway integartions and the focus is on user engagement and gameplay. Ideal Skills and Experience: - Proficiency in game development for both iOS and Android platforms. - Experience in creating multiplayer functionality in mobile games. - Strong background in UI/UX design for mobile applications. - Familiarity with creating games like Ludo, Cricket, and Snakes and Ladders is a plus. Please submit your proposal with examples of previous mobile games you've ...

...Stripe on both order pages. First phase: 1. Login page (html done, some core PHP done) 2. Forgot password page (html done) 3. Sign up page (html done, some core PHP done - confirmation email needs work) 4. Orders list page (html done) 5. Single order page (html done) 8. Landing page Orders for Affiliates to share to friends (html done, some core PHP done - confirmation email needs work) 9. Backend dashboard (html done) a. Total sales for Affiliate b. Total Affiliates added by Affiliate c. Team bonus earned + link to team bonus page d. Total orders + link to orders page e. 5 TOP SELLING AFFILIATES f. 5 TOP TEAM BONUSES PAYOUTS g. 5 TOP AFFILIATES THIS MONTH h. NEWS and UPCOMING EVENTS i. YOUR ORDERS...

Hey everyone, I'm on the hunt for a talented backend developer to join me on an exciting journey to build something truly game-changing! Here's the deal: I've been working tirelessly on the frontend of an innovative app called Arthwise using React Native. It's all about democratising financial expertise and empowering users with valuable insights to navigate the world of investments. Now, I need someone with backend wizardry to help bring Arthwise to life! This isn't your typical job post – it's more of a collaborative side hustle. We'll be building something together that has the potential to change the game in the finance world. What I'm Looking For: Someone who's passionate about building scalable applications. Ex...

I am looking for flutterflow developer who knows flutter to work on an AI chat to get the streaming response and display the answer for every question like ChatGPT. ANd also relevant sources for each answer in the pdf viewer in the frontend. Project is half done in Flutterflow and the only work need to be done is getting streaming response from the backend and when source button is clicked needs to display/highlight the same in the pdf viewer. I will also be working alongside Budget: 100 dollars, timeframe 3 days, let me know if you are interested Specific features to include in the app: - Basic chat functionality to allow users to send and receive messages -implement PDFviewer system and highlight relevant chunks Design: - A design for the app is ready and will be provided to th...

I'm seeking an experienced developer to build an e-commerce website and mobile application with a user-friendly interface that will facilitate sales of my products/services. Key features the platform should contain are: - User Account Creation: Valued customers should be able to easily create personal profiles on the platform. - Shopping Cart: Users must be able to select and save multiple products or services before deciding on final purchases. - Product Search: The platform should incorporate a quick and efficient search functionality to help users locate specific products or services. On the management side, I'll be directly overseeing product/service inventory. Therefore, it's crucial that the platform integrates easy-to-use inventory management features. Pr...

I am looking for a mid-level QA Tester from India, with experience in both mobile and web applications. The ideal candidate for the job should have: - Experience in testing iOS and Android platforms, as well as web portals - Capable of performing functional and design testing - Proficient in testing user registration, login/authentication, and other functionalities as per the logic - Ability to carry out thorough functionality testing as per the given requirements - Ability to report bugs and issues in the Google Spreadsheet with proper description and snapshots Please note that mid-level experience is a must for this role. The chosen candidate is expected to ensure the quality and performance of our mobile app and web portal.

...seeking a skilled Wix expert who can make it fully mobile responsive. Despite the main concept already in place, not all elements are optimized for mobile. This is the site: , Your tasks will include: - Arranging text content, images, and forms for mobile viewing - Ensuring smooth functionality and user-friendly interface on mobile devices Ideal skills needed for this job: - Extensive experience with Wix - Proficiency in optimizing websites for mobile responsiveness - Strong attention to detail - Good communication and understanding of client's needs To apply for this project, please share examples of past Wix websites you have worked on, especially those where you have made them mobile responsive. We can discuss further details once

...ecommerce platform. This role is crucial as we are currently managing multiple projects and require additional expertise to meet our delivery timelines. Key Responsibilities: - Develop and deploy a webstore using our custom NopCommerce template, adhering closely to the provided mockups. - Implement the front-end and back-end aspects of the webstore to ensure a seamless user experience and efficient backend processing. - Test and troubleshoot any issues that arise during the development phase to ensure a smooth launch. - Collaborate with the project team to understand requirements and deliver solutions that align with our business goals. Qualifications: - Proven experience as a Full Stack Developer with a strong portfolio in NopCommerce or similar ecommerce platforms. - Profi...

Project Overview: We are in need of a skilled Laravel developer to com...overview of site activities. Set up email verification using a reliable API. Discuss and potentially develop an affiliate marketing feature where users can earn commissions through referrals (details to be finalized post other implementations). Additional Requirements: Ensure consistent and high-quality user experience across all functionalities of the site. Regular updates and maintenance of the backend system to ensure seamless operation. Project Goals: Our aim is to provide a seamless and interactive learning environment that is easy to manage and navigate. We are looking to establish a long-term relationship with a developer who can deliver high-quality work and contribute to the ongoing improvement of our...

I am looking for developer to create dating mobile app using capacitor js with javascript only no framework and Laravel API in backend . Features Register/Login using mobile - sms otp Enter profile details - city, gender, profession, interests Match Making to explore users Send/Accept chat request Messages/Chat/Conversation - using websocket/laravel reverb Audio call

...content from 3rd party URLs. The primary goal is to enable users to input a URL, pass the text of each page to our backend for translation, and display the translated text seamlessly on the frontend. Key Responsibilities: Web Proxy Server Development: Develop a robust web proxy server that receives user requests, fetches content from 3rd party URLs, and passes the text to our backend for translation. ( reference site - ) Implement secure communication between clients and the proxy server. Integration with Backend Translation Service: Ensure seamless integration with our backend translation service. Pass the text of each page to the backend for translation. User Interface: Designing - NO DESIGN OR UI/UX task to be done by you. Our team will handle

I am seeking a proficient PHP developer with experience in Laravel, Codeigniter, and Wordpress. The ideal candidate should have a solid understanding of backend development, API integration, and database management in Laravel. Your primary responsibilities will include: - Backend development in Laravel - API integration in Laravel - Database management in Laravel While a specific task for Codeigniter wasn't outlined, the ability to implement key features in this framework will be highly valuable. This could include: - User authentication - Payment gateway integration - CRUD operations A keen eye for detail and a knack for problem-solving will be essential for this role. The successful candidate should be able to work autonomously and as part of a team, delivering hig...