Sip gateway gsm androidPekerjaan

...Payment Integration: A crucial aspect of the system will be the ability to accept payments for bookings. This integration should be secure and user-friendly. Ideal Skills and Experience: - Proficiency in HTML: The project is in HTML format, so a strong understanding of this language is crucial. - Database Management: Experience in creating databases and integrating them into web projects. - Payment Gateway Integration: Knowledge of secure and reliable payment integration methods. I need to finalize a reservation system, create a database and give some functionalities to the project. The idea of the project is almost done, it is something very simple. Whoever is interested can contact me. The budget must be reasonable if you are not wasting your time. The project will be awarded...

Technical skills required - Android Development Expertise: Proficiency in Android studio, Kotlin; Experience with android SDKs UI design: Familiarity with material design and responsive design principles DBMS: Experience in database such as MangoDB, Firebase, SQLite Security and Privacy: Understanding of data encryption, secured authentication. Understanding on survey methodology would be a Plus. Purpose: Build survey platform to facilitate detailed market research through customizable surveys, enabling precise data collection and analysis Turnaround Time: 1 Month Scope of work – Survey platform is an android based mobile application. Survey creation and management to take place on web. Survey Creation and Management: Should offer intuitive survey build...

I am seeking an experienced app developer who can create a distinctive social networking app that encompasses both iOS and Android platforms. The key functionalities for this project include: - Integration with popular social media platforms - A live chat feature, allowing users to interact The perfect candidate for this role should have prior experience in cross-platform app development, with a strong understanding of social media integration and live chat features. They should also exhibit proficiency in popular app development languages and be able to showcase previous social networking apps they've developed. Their passion for delivering impeccable user experience should be evident in their work.

I need a skilled developer who can design a seamless and secure payment gateway. Key features are: - Credit card processing: This will enable our clients to conveniently handle their transactions. - Integration with popular e-commerce platforms: The solution must be compatible with multiple platforms to enhance flexibility and user accessibility. Preference will be given to those with experience in various platforms as the project does not limit to a specific payment gateway. Essential skills include but not limited to PHP, MySQL, JavaScript, and familiarity with various payment gateway APIs. The gateway should comply with: - PCI-DSS standards to ensure the security of the transactions. - Tokenization of payment data to prevent any potential breaches. - In-b...

***Freelancers Only! No Agencies! I need you to implement face detection, tracking and recognition using existing C++ libs for my Android app. Some of the implementation is Java, but some is in C++. This is not a simple project, so don't bid if you don't have C++, Java and face recognition experience. + Video calls in English for ongoing communication - MUST! Please explain about your face recognition experience. Please start your message with the words: "I'm a C++ Expert!"

I'm looking for a seasoned app developer with expertise in Linphone and SIP to help with customizing the open-source VoIP service. In this project, you will: - Compile Linphone with my brand logo, offering a personalized look to the application. - Integrate the app with my push server. This will involve modification of existing features to ensure a seamless flow between the app and the server. Given that the specific features to be modified weren't mentioned, I assume that you will provide the details later on or the freelancer will need to assess the necessary changes upon reviewing the current status of the app. Proficiency in VoIP/SIP and experience in both Android and Apple app development is required. Familiarity with app store submission procedures ...

I require an expert Android app developer to build a consumer-oriented app for controlling various models of AC and DC fans. The main functionality that this app must accomplish is: - Ability to turn the fans on and off - Ability to control the speed of the fans Skills and Experience: - Proficiency in Android app development - Experience in programming hardware control systems, preferably with fans - Portfolio showcasing similar projects completed - Ability to complete this project as soon as possible - Strong communication skills to ensure any issues or changes are addressed promptly Please ensure your proposal outlines your ability to meet these requirements. The project must be completed as soon as possible.

I am in need of an experienced Android app developer to assist in the creation of a new application. I require someone with a strong understanding of the Android platform and app development in general. Key requirements: - Good knowledge of Android Studio - Ability to design and develop user-friendly Android applications - Experience with RESTful APIs and integration - Excellent problem-solving skills - Adherence to project deadlines and milestones Your responsibilities will vary, but will primarily consist of the development and testing of the application. I anticipate that the app will be relatively complex, so a solid background in app development is essential. If you have experience with a similar project and can demonstrate the skills outlined above, ...

I'm seeking a skilled app developer to create a comprehensive mobile app for my employment agency. This application will be for both iOS and Android platforms, unifying job seekers' and employers' experience. Key features to implement: - Job Posting: A secure platform for employers to post job vacancies. - Resume Submission: A user-friendly interface for job seekers to upload and submit their resumes. - Interview Scheduling: An integrated calendar to schedule interviews, enabling seamless coordination. User Authentication requirements: - Email and Password: Traditional way of user signup and login for access. - Phone Number Verification: A robust phone number verification system for ensuring user authenticity. Ideal candidate for this project should have prior ...

I'm seeking an expert in Google AdWords, specifically experienced in optimising campaigns for Android apps. The primary goal of this campaign is to increase the number of downloads for my app. While I am open to all strategies and ideas, I am particularly focused on maximising the effectiveness of my budget and reaching as many potential users as possible. While I didn't specify a target age group, I'm hoping that you, as an expert in this field, will be able to advise me on the most viable demographic for my app. Ideal Skills: - Expert knowledge in Google AdWords - Previous experience with Android app campaigns - Ability to identify effective strategies for increasing downloads - Strong understanding of audience targeting on the AdWords platform

A game like this, but with more than one player, is an example Player 1 green 2 red 3 blue, and so on, there are 10 players with values one The game is online if there are no players. A bot is placed with the names of players Of course, every building has development...quick compared to the number Example Lvl 1/10 Lvl 2/20 Lvl 3/30 And so on Of course, every single development increases the production of soldiers and increases capacity Initially, this... Games can buy shells for gems The action of the missiles destroys distant buildings that are not nearby Some shells destroy the second building Some are third, and so on The ability to log in via Google and Facebook And mail Arabic/English language Duration of employment ? the cost ?

I require consultation in the fields of nutrition, health and lifestyle targeted towards individuals across all age groups. The ultimate aim of the consultation is: - Weight management: Guidance on balanced diets tailored to varied needs while promoting healthy weight control. - Energy Boost...conditions. - Proven record in providing advice for weight management, energy boosting, and disease prevention. IN A NUTSHELL: I need a Website where I can Post a Course of some 10-15 videos For Health,Nutrition, Lifestyle etc. Also I need an appointment section where people can book appointments for online video consultation.(I don't need a Video Call Integrator in this) I also need a Payment Gateway to be integrated in the Website as I will be charging some Fees for the Above Ment...

I'm looking for an experienced app developer who can help me customise my existing app. The main focus of this project is to make necessary changes to the app's...timer - Need Playstore Or App Store Link (Based on user app platform) with referal code on sharing the referal code - Need two line category icons and need to suffel the icon on module index page - Login page customisation - PopUp on index page landing - Need live map moving for Delivery man app - Need Popup screen with item link / store link / campagin link - Change Splash Screen - Payment Gateway Already integrated and need some changes - Ensure Proper notification alert - Store Wallet : Need to add only the item price with detuction of admin order commission - Campagin functions - Combo Offer on produc...

Are you a talented freelance developer with a passion for fresh produce and digital solutions? We're in need of your expertise to enhance our online fresh produce app! Project Description: Our app connects users with fresh produce from local farmers and vendors, offering a convenient and sustainable way to shop. We've encountered some technical issues and user experience challenges that require immediate attention. The ideal candidate will have experience in app development, particularly with e-commerce and user-friendly interfaces. Tasks may include resolving bugs, optimizing performance, and improving navigation for a seamless shopping experience. Strong communication skills are essential for collaborating with our team and ensuring project goals are met efficiently. If you&#...

I'm looking for a talented developer to create a user-friendly, minimalistic website for bus and railway ticket booking. Key Features: 1. Bus Ticket Booking: Search and book bus tickets for various routes. Real-time seat availability and pricing. Secure payment gateway integration. Booking confirmation via email/SMS. 2. IRCTC Ticket Reservation: Online booking of Indian Railway tickets. Train schedule and seat availability information. Integration with IRCTC API for ticket booking. PNR status updates and alerts. Simplified ticket cancellation process. 3. User Account Management: User registration and login functionality. Booking history and ticket printing options. Profile management and saved preferences. 4. Responsive Design: Mobile...

I'm looking for a talented web developer to create an online ticket reservation website targeted towards the general public. The website is intended to function akin to the IRCTC platform, meaning it needs to have comprehensive features including: - User registration and login. - Search functionality to find train schedules, availability, and fares. - Integration of a payment gateway. - User-focused booking management system, which allows users to both view and cancel their bookings with ease. - An admin panel that gives comprehensive overviews and control options over users, tickets, and website content. - An alert system for upcoming trips and related information. Proficiency in creating interactive, user-friendly websites is highly desired, along with experience in integra...

As an airline enthusiast, I'm eager to create a platform for booking flight tickets. What I'm looking for is ...tailor their flight search to their exact needs. - Display essential information for each flight in the search results including the flight duration, price, and number of stops. This will give potential customers all the necessary details to make an informed decision. Expertise in website development and a solid understanding of UI/UX design are essential for this project. Experience with payment gateway integration is a plus as further collaborations may require this feature. Let's take flight together on this project and create an ultimate user-friendly booking experience. Note : need a developer who already worked on flight booking website with api int...

I'm looking for a freelancer who can provide me with a list of 500 newly published Android apps within the last week. The apps should be fresh and not more than a week old. Ideal Skills and Experience: - Proficiency in Android app market research - Excellent data mining and research skills - Familiarity with app development and trends - Attention to detail and accuracy Please note that this project does not require the freelancer to develop any apps, but rather to curate a list of existing ones. BUDGET $50

I am looking for an experienced mobile game developer to create a simulation game aimed at advanced English s...The game should be a simulation game. It should be complex and engaging, providing an immersive experience for players. - English Proficiency: The language used within the game should be complex, ideally suited to advanced English speakers. This is important for the target demographic. - Platform: The game should be designed for mobile devices. It needs to be optimized to run smoothly on both Android and iOS devices. Please bid if you have a deep understanding of simulation game mechanics and outstanding proficiency in English language to incorporate advanced level vocabulary and sentence structures in game dialogues. Knowledge and experience in mobile game development a...

Description I am looking for a freelancer to customize my 6ammart app & w...timer - Need Playstore Or App Store Link (Based on user app platform) with referal code on sharing the referal code - Need two line category icons and need to suffel the icon on module index page - Login page customisation - PopUp on index page landing - Need live map moving for Delivery man app - Need Popup screen with item link / store link / campagin link - Change Splash Screen - Payment Gateway Already integrated and need some changes - Ensure Proper notification alert - Store Wallet : Need to add only the item price with detuction of admin order commission - Campagin functions - Combo Offer on product from store & Admin - Updation with the 6ammart latest code - Price variation for stor...

I'm seeking an expert in SIP and VoIP to assist me with various issues within my PortaOne system. Key Requirements: - Extensive knowledge of SIP and VoIP solutions, particularly with PortaOne - Proficiency in call routing and configuration for diverse scenarios - Proven experience in troubleshooting and resolving various issues - Clear communication skills with the ability to provide detailed explanations and solutions.

...professional to implement URL cloaking on the Stripe payment gateway of my WordPress website. I specifically seek to mask the payment gateway to ensure Stripe will not ban my account. So a client make an order on website A made with NextJS, then website A redirects to website B made on WordPress, then website B redirects to Stripe payment checkout. Something like what is done on SmmFlare in order to add funds via Stripe The ideal candidate should have: - Profound knowledge and experience with WordPress - Profound knowledge and experience with Next/Reactjs - Familiarity with Stripe payment gateway - Previous experience in URL cloaking The project entails: - Developing a reliable and effective URL cloaking system for the site's Stripe payment gateway - E...

I'm looking for a skilled Android app developer who can update my current app to be compatible with multiple screen sizes. The app is currently at Version 1.0 and has some specific features and functionalities that need to be preserved, including user login and authentication. Requirements: - Update the app to fit multiple Android phone screen sizes - Preserve the existing user login and authentication functionalities Ideal Skills and Experience: - Prior experience in updating Android apps for screen size compatibility - Proficiency in Android app development and UI/UX design - Experience with user login and authentication functionalities Please provide examples of your previous work and let me know your estimated timeline for completing this project.

I'm looking to develop a multi vendor marketplace similar to Amazon. The site needs to have a cart, product search page, and a review and rating system. Key Features: - Shopping Cart - Product Search Page - Review and Rating System - Geolocation - Language Preference (Spanish and English) - Shipping Methods (Home Delivery) Additional Features: - Multilingual support - Payments Gateway - Offer and Auction System - Product Listings - Advertisement Management - Video Content - Preferably on Wordpress Please note that the development needs to be completed within 30 days. Ideal Skills and Experience: - Proficiency in web development - Experience in creating marketplace websites - Familiarity with geolocation and language integration - Strong knowledge of e-commerce, payment g...

...tener Dual Stack de IPV6 con RIPv2. Adicionalmente, cada una de las ciudades tienen que contar con una Central Office y una red de celular de donde puede acceder al servidor IOT. · RED HOGAR. Los hogares tendrán que estar conectados a una ISP que será la red empresarial a través de un CloudPT y un cable modem. CASA 1: Contará con un Home Gateway. Cada uno de ellos tiene que estar registrados al servidor remoto de la empresa y conectados a su Home Gateway. Se tiene que poder administrar a través del HomeGateway. Todos los dispositivos tienen que estar conectados de manera inalámbrica. Los dispositivos son: Cafetera. Parlantes Puerta. Lámpara. Ventana. Adicionalmente, la casa tiene que contar con un SBC que e...

I am looking for an experienced UI/UX and flutter developer to help me bring my mobile app idea to life. The primary goal of this project is to develop a functional and user-friendly mobile app for both iOS and Android platforms. Key responsibilities for this project include: - Assisting in the creation of a visually appealing app design - Implementing a smooth and intuitive user interface - Ensuring the app is optimized for both iOS and Android platforms - Developing a user-friendly login and profile system - Incorporating in-app purchases and real-time notifications (if applicable) The ideal freelancer for this job should have: - Proven experience in developing cross-platform mobile applications - Strong UI/UX design skills - Proficiency in Flutter - A keen eye for detai...

I'm looking for a skilled app developer proficient in android to create a location-based transportation services application. Key App Features: - GPS Tracking: The application needs to accurately track user locations. - Fare Estimation: It should include the ability to estimate fares based on the location and distance. - Payment Options: The app should offer multiple secure payment options for user's convenience. Ideal candidate should possess strong experience in android app development, specifically with GPS integrations, fare estimation algorithms and secure payment gateways implementation. Understanding of transportation industry would be an added advantage.

...unless your company as accomplished a learning platform transport previously. Key Features: - User-friendly interface: The platform should be easy to navigate for users of all technical backgrounds. - Customizable design templates: I would like to be able to personalize the look and feel of the platform to match my brand. - Secure payment integration: The platform should have a secure payment gateway for users to purchase and access the content. Content Types: - Video lectures: The platform should support video content for engaging and dynamic teaching. - Text-based lessons: The platform should support text-based content for a comprehensive learning experience. - Quizzes and assessments: The platform should have interactive features for quizzes and assessments to test users...

Quero um mod menu para o jogo Free Fire com funções, um especialista que crie e desenvolva um MOD com login e senha, podemos negociar valores e tirar duvidas via chat

As our target audience mainly consists of professionals aged between 36-55, our primary goal is to improve the user experience of our Android app. Key Requirements: - Proven experience in creating user-friendly Android UI/UX designs - Understanding of the needs and preferences of professionals aged 36-55 - Knowledge of best practices in UI/UX for mobile applications Your design should not only be visually appealing but also intuitive and easy to navigate for our target audience. Please provide examples of your previous work in your bid.

We're a travel company in need of a CRM system, and are looking for a website developer who can help us build it. Here are the specifics: - I'd like the CRM system to have functionalities for Customer Management, Booking Management, and Sales Reporting. - Additionally, I'd like it to be integrated with Email Marketing, a Payment Gateway, and Social Media. - It should be compatible with Windows. Please only contact us if you're a professional with experience in CRM system development. Given our low budget, we're looking for someone who can deliver great quality within these constraints. Only interested people can cal. First understand our requirement. API intigration Real time booking update customised cost management with crm quotation in pdf and email or w...

We're a travel company in need of a CRM system, and are looking for a website developer who can help us build it. Here are the specifics: - I'd like the CRM system to have functionalities for Customer Management, Booking Management, and Sales Reporting. - Additionally, I'd like it to be integrated with Email Marketing, a Payment Gateway, and Social Media. - It should be compatible with Windows. Please only contact us if you're a professional with experience in CRM system development. Given our low budget, we're looking for someone who can deliver great quality within these constraints. Only interested people can cal. First understand our requirement. API intigration Real time booking update customised cost management with crm quotation in pdf and email or w...

Looking to have an Android application developed urgently. The app should primarily serve as a project management tool. Quick turnaround is essential. Skills & Experience: - Expert in Android app development - Prior experience in project management applications - Ability to deliver on a tight timeline Specific features: - Project planning and tracking - Task assignment and management - Progress updates and notification system Please submit your bid along with relevant portfolio samples and how soon you can turn this around. Looking forward to working with a skilled and quick developer on this.

We are seeking an experienced app developer to assist us with the deployment of our Android application on the Google Play Store. The app has already been developed and tested, and we are now ready to publish it to the Google Play Store. Responsibilities: Prepare the necessary assets and documentation required for app submission. Ensure that the app meets all Google Play Store requirements and guidelines. Upload the app to the Google Play Console and manage the submission process. Address any issues or feedback from the Google Play Console team during the review process. Provide ongoing support and maintenance for app updates and revisions as needed. Requirements: Proven experience in deploying Android applications on the Google Play Store. Familiarity with the Google Play...

I am looking for an experienced developer who can integrate Payments GATEWAY into my existing Laravel/Flutter app. Contact me who can work on Both Laravel and Flutter.

I am looking for a skilled web developer who can creat...ticket booking website on WordPress. My main requirements are: - Flight search and booking: Users should be able to search for flights and book tickets directly on the website. The booking process should be user-friendly and efficient. - Payment gateway integration: The website should support secure online payments for ticket purchases. It's vital that users feel safe making transactions on the site. Ideally, you should have experience in creating similar websites, be proficient in WordPress and have a good understanding of e-commerce and payment gateway integration. Language support and blog integration are not immediate requirements, but I would like the site to be built in a way that makes these features easy...

...un système de commentaires dynamique. Objectifs Spécifiques : Concevoir et implémenter une fonction de diffusion en direct pour les versions iOS et Android de notre application, codées en Flutter. Développer un mur de commentaires en temps réel permettant aux utilisateurs de communiquer avec les créateurs pendant les diffusions. Assurer l'intégration backend avec Laravel pour gérer les flux vidéo et les interactions des utilisateurs. Optimiser la performance et la stabilité pour supporter un volume élevé d'utilisateurs simultanés et une interaction fluide. Compétences Requises : Expertise avérée en développement Flutter pour iOS et Android...

I have an existing Android app that I would like to upgrade from its old version to Android 14. The main focus of this upgrade is to ensure improved compatibility with Android 14, as well as addressing any existing bugs in the app. Key Requirements: - Upgrade the existing Android app from its old version to Android 14 - Ensure improved compatibility with Android 14 - Identify and fix any existing bugs in the app Ideal Skills & Experience: - Proven experience in upgrading Android apps to new versions - Strong understanding of Android app development and bug fixing - Familiarity with Android 14 and its features.

...cutting-edge payment solution app specifically designed for DJs. The app should be compatible with iOS, Android, and web-based platforms. Key Features: - Secure Payment Processing: The app should ensure that all transactions are safe and secure for both DJs and their clients. - Tip Customization Options: DJs should be able to receive tips from their clients in a personalized and efficient manner. - Integration with Popular DJ Software: The app should seamlessly integrate with popular DJ software to make it easier for DJs to receive payments. Payment Methods: - The app should support credit/debit cards as the primary payment method. Ideal Skills: - Extensive experience in app development for iOS, Android, and web platforms. - Strong understanding of payment processing a...

I will build your complete shopify dropshipping store in $299 only. I will do, 1) Shopify Store Design with Premium Theme 2) Will list 50 Best Selling Products in your store 3) Payments Gateway Setup 4) Make 4-5 Categories 5) Make policies pages 6) other pages like about us, contact us 7) Logo Design 8) Track Order Page

...individual online courses. - Payment Gateway Integration: I would need a secure payment gateway integrated into the website to process one-time purchases. - Mobile Responsive Design: The website should be designed to be mobile responsive for optimal user experience across different devices. - Course Management: Ability to manage and update course listings, pricing and descriptions easily on the back end. - SEO Optimization: Assistance with search engine optimization to help drive traffic to my course listings. - User Accounts: Basic user account functionality for tracking orders and managing purchases. Ideal candidates for this project would have experience in e-commerce website development, particularly in the education sector. Experience with payment gateway inte...

I'm in need of a virtual number script in PHP that can connect to the API to provide virtual numbers. Additionally, I require the script to have the following features: - Call for...integrating different payment gateways into the script. To be specific, I'm looking to have PayPal, Stripe, paystack, and flutterwave integrated as payment options. The ideal candidate for this project should have: - Proficiency in PHP - Experience with API integration, particularly with - Previous work on call forwarding and SMS forwarding features - Familiarity with payment gateway integration, particularly with PayPal, Stripe, paystack, and flutterwave Please provide examples of similar projects you've worked on in the past, as well as your proposed approach to this project.

I am seeking a skilled and experienced web developer to create an eCommerce website for my business. This site will primarily feature digital products and services for visitors to purchase. Key Requirements: - Integration of a PayPal payment gateway to facilitate transactions - Smooth navigation and user-friendly interface - Seamless experience for digital product download and service booking Ideal candidate should have: - Proven experience in building eCommerce sites - Proficiency in integrating PayPal payment gateway - Strong understanding of UI/UX design principles - Portfolio of completed eCommerce platforms, preferably highlighting digital product and service sales.

I'm looking to build an ecommerce website specialized in electronics featuring a range of modern functionalities. Key needs include: - A robust product search and filter system, enabling customers to navigate my inventory easily. - A seamless shopping cart and checkout system, creating an effortless buying process. - Payment gateway integration to accommodate various payment methods. - Quotation and invoice generation capabilities to streamline financial processes. - A system for product reviews, giving my customers a voice and enhancing trust. - Email generation to keep customers informed about offers, deals and order updates. - A shipping calculation system based on distance to ensure accurate pricing. While I don't have specific design guidelines, I am open to sugges...

I am looking for E wallet aplication developer who can develop an application similar to TOUCH N GO ewallet application but with small modifications. I will explain to you more if you are fit for the project. Only bid if you can finish it within 2 months.

I'm looking for an expert to help me integrate an object tracker on an existing desktop application. Your job will be to navigate on a map in an app and to detect the displayed objects on it. As a sample app we will use Android game (Last-War:Survival Game). You don't have to worry about the game's development, just the object tracker and navigator. You will get install doc how to install the app on your desktop. Requirements: - install the app on your desktop (document will be shared to you) - your python code runs on the desktop and analyses the app output and detects objects - based on the objects a touch or a click is needed to be executed to fetch more details - e.g. you could use - in conjunction with openCV, PyAV, or MoviePy, but the solution

- Implement Payment in IOS and android App ( card payment + Apple pay + google pay + Swish ) - fix Advertisement ( ads need activation)

I'm seeking a seasoned developer with deep knowledge of Jitsi Video Conferencing and Audio Calls to revolutionize current platform...conferencing features such as (Screen-sharing, Recording, ...) including building event management Scenarios of attendance documentation. - Implement and integrate All the Voice calls features (between our App, and web users), including single and group calls. To accommodate the needs of my diverse user-base, it's vital the revamped system be compatible with: - Web browsers - Mobile devices (IOS, Android) Capability is crucial, thus the upgraded system needs to efficiently support up to 500 simultaneous participants in the video conferences. If you have an extensive background in similar projects and are ready for this challenge, I look ...

...who buy bulk should have different pricing and logins - Registration page required need state wise tax calculator on base of shipping zip code - information will be provided. Willing to buy theme and plug in for payment gateway and pricing so it gets easy for plug and play Key Website Features should include: - Comprehensive product listings to display the diverse range of products available - An integrated shopping cart to ensure ease of purchase and user satisfaction - A reliable customer review system to aid in enhancing the trust of our platform - A secure payment gateway for safe and hassle-free transactions - UPS/USPS/FED EX Shipping integration. - SMS notification implementation to keep buyers updated with their purchase and delivery information - Promotion pop-...

I am looking for a skilled developer to build an e-commerce website for my business. Key Requirements: - You will need to have strong experience in web development, particularly in the area of e-commerce. - Knowledge of different e-commerce platforms and technologies will be a big plus. - The website should be user-friendly, secure, and visually appealing to attract customers. - Payment gateway integration and user registration/profile management are essential. If you have a portfolio of similar projects or relevant experience, please share it in your bid. I'm looking forward to seeing your proposal.