Paypal system web site registration form jobs

...Assessment of our web application; specifically focusing on evaluating compliance with security standards. Your targets for this assessment include, but are not limited to: - Analyzing how our system handles user registration and authentication processes - Identifying potential vulnerabilities within these functionalities - Providing an actionable report on how to harden our security measures in conformity with the best industry standards. The ideal candidate will have extensive experience in web application security, specifically in auditing user registration and authentication procedures. Your practical insights into advanced security measures will be highly appreciated. Please provide us with examples of similar projects you've worked on. Let...

I'm seeking a skilled editor for a long-term position for multiple projects with my content agency, primarily serving health and fitness coaches & my own personal brand. I run a short-format content agency that edits videos for coaches. Videos will be primarily talking head videos. The videos are up-to 60 seconds long and I expect you to edit subtitles, b-roll, stock footage, dynamic motion/graphics and make the video in general: entertaining and highly engaging. I am looking for a person that can be my full time editor for the next 6-12 months with the possibility of consistent pay-raises when the agency experiences growth. You will be paid 8USD for every video-edit. Paid on a per video basis (not hourly) The process is super streamlined! All videos are tailored by me -&...

...professional who can convert my home design drawings into scale plans suitable for a county site plan. The purpose of this project is not for a building renovation or construction project, but specifically for the county site plan use. Key Inclusions: - Property boundaries - Building footprint - Setbacks from property lines - Drive - Easement road - Walkway - Existing trees as shown in the design - Septic tank Ideal Skills: - Strong understanding of scale plans and architectural drawings i.e. stetchup - Proficiency in using measurements and dimensions to create accurate scale designs - Ability to pay attention to detail and accurately incorporate all required features into the plan - Experience with county site plans would be beneficial but not mandatory. Pleas...

...As a Site Verifier, you will be responsible for verifying a company’s existence through visual data by conducting a site visit to ensure that we provide reliable and accurate information to our client. JOB DESCRIPTION: • Conduct basic verification with the subject company’s authorized representative, such as line of business, key executives' name, etc. • Take pictures of the subject company and its vicinity, as per Confirmis’ standard operating guidelines. • Provide observation about the company to gauge activeness, e.g., staff working at the premise, loading/unloading of goods, etc. REQUIREMENTS: • Must be living in (or nearby) San Fabian, Pangasinan, Philippines • Has a camera or phone/tablet of quality with a camer...

I am in need...need of a Telegram bot that can provide user registration and efficiently store and retrieve data from a Firebase database. Key Responsibilities: - Implement a user registration system directly on the Telegram bot interface itself. - Develop a clear and efficient data storage and retrieval process from the Firebase database. - Ensure that the bot can handle user profiles, user activity logs, and applications in the database. Ideal Skills and Experience: - Proficient in Python, especially for developing Telegram bots. - Extensive experience working with Firebase databases. - Prior projects that involve implementing user registration systems. - Strong understanding of data storage and retrieval systems. - Good communication skills to ensure the ...

...developer to enhance the online appointment and payment system on my website. - **Current System**: We are currently using Fittlebug for our online appointment scheduling system. The new system will need to be compatible and integrated with this existing platform. - **Key Features**: We aim to incorporate the following features into the new system: - Real-time Availability: Customers should be able to see real-time availability and book accordingly. - Automatic Reminders: The system should automatically send reminders to customers before their appointment. - Payment Integration: The system should facilitate payment for appointments. - **Payment Integration Details**: Although we're considering integrating an online payment g...

...an experienced web developer with extensive knowledge in WIX and payment gateway integration to build the checkout system of our bulk ice selling business' website. Key tasks include: 1. **Payment Gateway Integration**- The checkout system should incorporate a payment gateway to facilitate secure transactions. 2. **Delivery Address Input** - Allowing customers to input their delivery address to ensure proper and accurate delivery of our products. 3. **Order Confirmation Email** - After a successful purchase, an order confirmation email should be sent to customers for their records. 4. **Design** - Implement a simple and clean design that aligns with the website's current aesthetic. 5. **Delivery Tracking** - Incorporate real-time tracking of deliver...

Looking for an experienced Ruby on Rails back-end developer specialized in database management. The focus is to construct a medicine distribution system with a smooth, efficient process. - Key Requirements: * Extensive back-end development experience * Strong database management skills * Proven track record in Ruby on Rails

I'm looking for an expert to design and implement an ecommerce website for my Kansas-based CBD business. Key Features: - The website should have a product catalog to display my 50-100 CBD products. - It should include a shopping cart feature for seamless transactions. - Integration of payment gateways, specifically credit/debit cards and PayPal, is crucial for the website's functionality. Ideal Applicant: - Proven experience in ecommerce website design, specifically with product catalogs. - Proficient in shopping cart and payment gateway integrations. - Understanding of the legalities around selling CBD products online would be a bonus

...need a 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 buil...

...including digital flyers, email campaigns, and other promotional content. - Set up and manage a simple landing page with registration functionality. - Direct outreach to potential participants and manage registrations. - Provide weekly updates on recruitment progress. Skills Required: - Proven marketing experience, preferably in healthcare or social services. - Strong communication and organizational skills. - Ability to create basic marketing materials and manage online content. - Experience with direct outreach and engagement strategies. Compensation: - Flat fee of $500 for the project duration. - Performance-based bonus of 20% per registrant based on a $39 registration fee. Project Duration: - The total project is expected to last about 6-9 weeks, with active recruit...

...The system should support settings for either two-way or single direction vehicle detection, selectable per camera. Multi-Camera Support: The application must handle live feeds from at least three cameras simultaneously without frame skipping. Ensure seamless capturing, detecting, and tracking across all cameras, maintaining high accuracy and performance. Error Handling: Implement robust error handling to ensure the application runs continuously without crashes. Auto-recovery features should be included to handle and log stream interruptions or other common errors. RTSP Streaming Compatibility: Must support RTSP for fetching live video feeds directly from IP cameras. Compatibility with different camera manufacturers and models should be considered. Performance Requirements: The ...

I am looking for a skilled individual to revise my R Easy Demand System. Although details weren't specified regarding the exact areas of the system that necessitate revision, the successful candidate will be expected to do a comprehensive examination of the system and propose areas of improvement. Moreover, they will then be responsible for implementing these changes. DELIVERABLES The job will consist of the following: 1. Revise the script to make sure it works, and the estimates are consistent with the Stata estimates (I have the estimates for comparison). 2. Add the script to an existing R package (). I have cloned that package at It will be updated to become easi2. The easi package currently uses 3sls for the estimation

Hi Muhammad Ahsan S., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

I'm looking for a seasoned Python developer with a proven track record. This project demands expertise in advanced algorithms and special Python libraries. While I don't need user registration, login, search functionality, or a contact form, I still expect a high standard of coding. The ideal freelancer: - Has years of credible experience coding in Python; - Has displayed ability to employ advanced algorithms and certain Python libraries to build robust websites; - Can share samples of their past work in order to provide a visual representation of what they are capable of. Please ensure to attach a comprehensive portfolio of past Python projects when bidding. Showing me your subject matter expertise and past accomplishments will put you one step closer to winning ...

I'm in need of an experienced web3 developer who could integrate a wallet with my website on the Binance Smart Chain network. Key responsibilities: - Enable making transactions via the website, which includes: - Sending tokens - Receiving tokens - Approving transactions - Facilitate checking balances on the integrated wallet The ideal applicant should showcase a significant track record in web3 development, particularly in Binance Smart Chain integrations. Proficiency in working with wallets and facilitating seamless transactions is paramount for this project. A sound understanding of blockchain networks and their working will be immensely beneficial. Please only bid if you can make test directly on binance smart chain. we are going to use the Pi Network DeFi token to test...

I need to create a new layout for my system in Figma. It is a system based on React.JS

...an existing software A. Here are some key aspects of the project: - Registration System: The new swim software should include a comprehensive registration system with the following functionalities: - User Account Creation: Users should be able to easily create a new account on the platform. - Event Sign-up: An easy-to-use system for users to sign up for various events. - Membership Renewal: A feature to facilitate the renewal of membership for users. - Load Times: I need the system to have quick load times for a smooth user experience. - Additional Options: I'm also looking to add some extra features to the swim software to enhance its functionality: - Payment Processing: An integrated payment processing system for users ...

I am in need of a custom HR Applicant Tracking System with key features including applicant tracking, interview scheduling, and a complete onboarding process. Ideal candidates will have experience in: - Developing HR software with a focus on applicant tracking - Implementing features such as interview scheduling and onboarding - Understanding of workflows and fields customization - Creating user-friendly systems for HR managers The system should be easy to use while meeting the needs of HR professionals. Please consider adding in your proposal any relevant experience you have in this field. Thank you.

I'm looking for a professional who can assist me with the formation of a single-member LLC in the United States. Key Requirements: - LLC Registration: The primary task will be to help me register a single-member LLC in the United States. - Registered Agent Services: I also need assistance with the provision of Registered Agent services. Ideal Candidate: - Legal Expertise: A strong understanding of LLC formation and US business laws is crucial. - Experience: Prior experience in registering single-member LLCs in the US and providing Registered Agent services is highly preferred. - Attention to Detail: The successful candidate should be meticulous and able to ensure all paperwork is completed accurately and promptly. Note that I may require additional services in the future,...

...economies. As a Site Verifier, you will be responsible for verifying a company’s existence through visual data by conducting a site visit to ensure that we provide reliable and accurate information to our client. JOB DESCRIPTION: • Conduct basic verification with the subject company’s authorized representative, such as line of business, key executives' name, etc. • Take pictures of the subject company and its vicinity, as per Confirmis’ standard operating guidelines. • Provide observation about the company to gauge activeness, e.g., staff working at the premise, loading/unloading of goods, etc. REQUIREMENTS: • Must be living in (or nearby) LA ROMAINE, TRINIDAD & TOBAGO • Has a camera or phone/tablet of quality wit...

...website's performance. Here's what I'm experiencing: - Slow page loading - High server load - Database query delays Although I’m already employing caching plugins and techniques for performance optimization, the difficulties persist. My WooCommerce site is hosted on a VPS/Dedicated hosting package. I'm in need of a WooCommerce expert who has significant experience in performance optimization, handling high server loads, and reducing database query delays. The ideal candidate should have: - Proven experience in troubleshooting and improving WooCommerce site performance - Strong knowledge of server management, particularly VPS/Dedicated hosting - Expertise in database management and optimization - In-depth experience with caching plugins and tec...

Hello, We are looking for a talented and experienced design freelancer to create a template and logo for our online ERP system, under the name "SOLTETI". The template will be based on the existing layout of the following website: [Link to website: ] Project description: Goal: Develop a template and logo for our online ERP system, maintaining the visual identity and functionalities of the website layout provided above. Layout Details: The website layout provided will be made available to the selected freelancer for reference and inspiration. Technical requirements: The template must be compatible with our ERP system and easily integrated. It must follow best design and usability practices. Be responsive, ensuring a consistent experience across differ...

...As a Site Verifier, you will be responsible for verifying a company’s existence through visual data by conducting a site visit to ensure that we provide reliable and accurate information to our client. JOB DESCRIPTION: • Conduct basic verification with the subject company’s authorized representative, such as line of business, key executives' name, etc. • Take pictures of the subject company and its vicinity, as per Confirmis’ standard operating guidelines. • Provide observation about the company to gauge activeness, e.g., staff working at the premise, loading/unloading of goods, etc. REQUIREMENTS: • Must be living in (or nearby) San Fabian, Pangasinan, Philippines • Has a camera or phone/tablet of quality with a camer...

...a formal, corporate-style ecommerce platform for my business. This high-quality site should be designed with the following features: - User registration and login capability - Product search and filter functionality - Shopping cart and a seamless checkout process The ideal candidate will have strong experience in ecommerce website development, a keen sense of corporate aesthetic, and a proven track record of integrating user management tools, search functionalities, and transaction processes. Honed skills in design, UX and ecommerce are essential for the success of this project. The site could have 17,000 members who would need to have profiles on the site, there would have to be membership levels, the site would sell merchandice and on-line coure...

I'm in need of a skilled developer to build an exam portal web application. Key Features: - User Registration and Login: Implement a secure system to allow students to register, log in and access the platform. - Exam Creation and Management: Develop tools for examiners to create and manage exams. This should include the ability to set time limits, number of questions, and other relevant parameters. - Result Generation: Implement a function that will accurately calculate and display exam results to students. Additional Information: - The portal will only be supporting specific types of exams. - The ideal candidate should have experience with similar projects and be able to provide a secure, user-friendly and efficient solution. - The project requires an understa...

I am in need of an experienced expert to design a dehumidification system for my entire household. Energy efficiency, noise level, and capacity are critical factors for this design. Essential Skills and Experience: - Experience in Environmental Systems Design, specifically for dehumidification or similar indoor regulation systems - Familiarity with designing complex residential systems - Strong emphasis on energy-efficient design strategies - Understanding of noise level control within system design - Experience with different dehumidification system capacities Potential applicants are kindly asked to highlight their experience and give relevant examples of previous work.

I need to create new functions in a system based on React.JS, Java Script

I'm in need of a skilled individual who can design a system that effectively detects overhead power lines. The primary purpose of this system is to prevent accidents from occurring due to the proximity of these power lines. Key Requirements: - Detection Technology: While I'm open to suggestions, I'm leaning towards the use of laser sensors that can accurately detect thin wires. This is crucial as thin power lines can sometimes go unnoticed by traditional detection methods. - Detection Range: The system should be optimized for short-range detection, around 10 meters. This will allow for timely warnings and preventive actions against potential accidents. Ideal Skills and Experience: - Proficiency in sensor technology, particularly laser sensors - Prior e...

i have a form created with HTML and PHP. user has to fill in information and when press submit, it should insert infos in database. But sometimes it doesn't it just clear or keep loading. maybe connection is not good everytime. So i need someone to adjust it to upload data in realtime. as soon as user finished typing in 1 field, it should store data. when uploading, it should show loading icon near input field. if succeed, green vink icon. if not, red cross icon. when user finish, user can click submit button which will echo all data stored in mysql database on same page in lightbox. image attached. Budget is $35. if you want more, please do NOT bid. budget is $35

...easy-to-use ERP software tailored to the gold and diamond jewellery industry. This system will be integrated with e-commerce and feature several additional modules. Key features required: - Inventory Management: The system should efficiently track our jewellery stock levels. - Sales Tracking: Real-time data on our sales performance. - Customer Management: To maintain a customer database. - Credit Management: Tracking outstanding credit and sending payment reminders. - Finance Management: Tracking income and generating financial reports. - CRM: To maintain good relationships with our customers. - E-commerce Integration: Development of a functional e-commerce website and application. - POS: A point of sale system for store transactions. - WhatsApp Features: Integrati...

urgent php laravel for website and api mobile app development More details: What specific PHP/Laravel tasks do you need assistance with? Fixing bugs in an existing website Could you describe the types of bugs you've been encountering on the existing website? User interface issues, Database related problems, Functional errors in the code Are there any...development More details: What specific PHP/Laravel tasks do you need assistance with? Fixing bugs in an existing website Could you describe the types of bugs you've been encountering on the existing website? User interface issues, Database related problems, Functional errors in the code Are there any specific pages or features on the website where these bugs occur more frequently? Homepage, Login/Registration, Product pag...

I'm looking to develop a simple interactive game that can be played during a live TikTok stream. The main idea is to engage the viewers in a fun and competitive way, by combining User challenges and User chat. Key Features: - It should have Leaderboards to showcase top players. -works with tiktok live webscraper -account registration for game owners so it can operate as a saas Gameplay: - The game should be designed for Multiplayer mode, so users can compete against each other while watching the live stream. - Users will both chat and take on challenges, with their performance influencing their position on the Leaderboards. This project requires a developer who is familiar with TikTok live webscraper written in python and can design a game that seamlessly integrates with th...

The brand name is "Super Rifa" I'm seeking a talented designer to craft a logo for a lottery-themed gambling website. This encompassing logo will notably feature the colors yellow, blue, and red, emblematic of the Colombia flag, embracing national pride. Eliciting feelings of excitement and thrill is paramount, to align with the exhilarating nature of lottery gaming. Ideal candidates will have: - Proficiency in logo design with a bold, dynamic style - An ability to intertwine symbolic elements into the design - Previous work with gaming or lottery industries is beneficial To sum up, the logo should embody the essence of a thrilling lottery experience, dominated with Colombian pride. Deliver a SVG.

I'm in need of a versatile and comprehensive ERP system specifically tailored for a jewellery store. This system will need to be compatible with both Windows and Mac operating systems. Key Features: - Inventory Management: A robust tool to manage my stock of jewellery items, including tracking and updating inventory levels in real-time. - Sales and Order Management: A seamless system to handle the processing of orders and managing sales records effortlessly. - Customer Relationship Management (CRM): A centralized platform to store and manage customer information, with a focus on providing personalized and exceptional customer service. - POS & Credit Management: An integrated point of sale system that also incorporates credit management functionalities....

...organizations. Requirements: The freelancer is required to develop a single platform capable of providing web and aap based services for product owner and client user interface, with the following functionalities: 1. Recruitment and Applicant Tracking: Streamline the recruitment process, from job posting to candidate selection, with robust applicant tracking capabilities. 2. Employee Onboarding and Offboarding: Simplify the onboarding and offboarding processes for new and departing employees, ensuring a seamless transition. 3. LLM-Based AI Automation System: Develop an AI-powered system to schedule and conduct initial screening phone calls and first-round interviews with candidates. The system should generate comprehensive reports based on the conversation. ...

My current WordPress site is functional, but feels outdated. I'm looking for a skilled WordPress developer to revamp its design and enhance its overall functionality. Key Requirements: - **Functionality and Features**: While all necessary features such as e-commerce, contact forms, and user registration are present, they require a fresh, modern touch. Your role will be to redesign and optimize them for user experience. - **Content and SEO**: I also require assistance with enhancing the website's content and SEO. This will involve reviewing and potentially rewriting content for better engagement and search engine visibility. Ideal Skills and Experience: - Proven experience in WordPress web development, with a strong portfolio showcasing website redesigns and...

...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...

As the creator of a new system aimed at improving our security, I'm in need of a professional with expertise in the field of hacking and system security. The primary responsibility of this role is to rigorously test the system's security to identify vulnerabilities and suggest enhancements. Key Requirements: - Expertise in network, application, and data security: You should be well-versed in these aspects of security to ensure the entire system is robust. - Ability to identify and address firewall misconfigurations: This is of particular concern, given the specific issues I'm looking to address in the network security. Your role is to simulate various hacking attempts and identify any potential weaknesses in the system's security. This includes: -...

My WordPress site hosted on AWS is currently down due to a database connection issue. Key requirements: - **Database Connection Issue**: The site is throwing an 'Error establishing a database connection' message. I believe this is related to database connection details in the WordPress configuration file. If you are experienced with AWS and WordPress, this could be a quick fix. - **Backup Restoration**: I have a recent backup of the site. However, I'm not confident about the database connection details in the configuration file. Restoring the backup and ensuring the database connection works correctly is crucial. - **AWS and WordPress Expertise**: Ideal candidates should have experience with both AWS and WordPress. Familiarity with accessing and modi...

I'm seeking a skilled designer to create a professional 8.5" x 11" printable policy form. The final deliverables should be in PDF format and a compatible Google Docs version. Key details: - The design should be clean and neat with a consistent font and sizing. - Please keep in mind, I have a rough idea and verbiage for the form. PLEASE DO NOT EXACTLY DUPLICATE THE ROUGH IDEA EXAMPLE OR YOUR ENTRY WILL BE REJECTED. Ideal skills and experience: - Expert in Graphic Design - Experience with Google Docs and PDF - Detail-oriented Please note, I'm looking to get this project completed as soon as possible.

...social networking site that will revolutionize the way people connect. I'm in search of a full stack web developer with a vision and a passion for innovation to help me bring this idea to life. This project is not for the faint-hearted; it will involve breaking barriers and creating something entirely new. Key Functionalities: - User Profiles and Accounts: The site will need to allow users to create and manage their profiles. - Messaging and Communication Features: It should include real-time messaging, group chat capabilities, and possibly video/voice calls. - Content Sharing and Posts: Users need to be able to share a variety of content like text, images, videos, and more. - Plugin Integration: The successful candidate will need to be able to incorporate plu...

I'm looking for a skilled developer to create a hybrid app for a job posting platform, specifically for our company. The app should be compatible with both Android and iOS, in addition to a Laravel website which uses the same admin panel. Requirements: - Develop a hybrid app for Android, iOS, and Laravel website - Enable user registration and login - Implement a job posting feature - Integrate real-time notifications Key Points: - The app should have a seamless user experience across all platforms. - You have the creative freedom to suggest the design as I don't have specific requirements. - The app's functionality should be consistent and smooth, especially for job posting and user interaction. Skills and Experience: - Proven expertise in hybrid app development -...

opencart site has error, need to fix that More details: What specific issue are you experiencing with your Opencart site? Error messages on the site Could you specify the nature of the error messages appearing on the site? Server related errors What kind of server-related errors are you experiencing? other

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 tha...

I'm looking for a skilled app developer to create a cross-platform (iOS and Android) app. The primary goal of the app is to provide information. Key Features: - A user-friendly, intuitive design that makes accessing and browsing information easy and engaging. - Implement a login feature that allows for quick access to the app without requiring user registration.( Only for initial phase later there is a need of registration also for paid course) Ideal Skills: - Proficiency in cross-platform development, with experience in both iOS and Android. - Strong UI/UX design skills to ensure the app is intuitive and visually appealing. - Familiarity with implementing secure login systems. Experience in developing similar information-providing apps would be a bonus, as would...

I am seeking an experienced Sage X3 user to help create and customize sales orde...help create and customize sales order, purchase order, and invoice forms in my business's system. This project requires a deep understanding and experience with Sage X3, specifically version 12. Key tasks: - Develop and design a sales order form - Develop and design a purchase order form - Develop and design an invoice form Skills and Experience: - Previous work with Sage X3 version 12 - Previous work with Crystal Reports version 2020 - Extensive knowledge in form creation and customization - Experience in Sales Order, Purchase Order, and Invoice process and form design When making a bid, I would like to know more about your experience with Sage X3, parti...

I'm in need of an experienced individual who can assist me in creating a system to prefill application forms on a website. Here are the specifics: - You'll be working on automating the prefilling of the application forms. The form type in question are specifically application forms. - The prefilled information will be sourced from user inputs on a previous page. This is essential for seamless user experience. Ideal candidates for this project will have: - Proficiency in web development and form automation - Experience in working with application forms prefills - A keen attention to detail for accuracy in prefilling - Excellent problem solving skills to address any unforeseen issues Please reach out if you're confident in your abilities to deliv...

I'm in need of a skilled web developer and designer to help me create an e-commerce store. I'm looking to replicate the functionality and design of an existing successful platform like Pharmeasy. Key Requirements: - E-commerce Store: The website will function as an online store where users can browse through a variety of products and make purchases. - User Registration & Login: It should allow users to create accounts, log in, and manage their profiles. - Detailed Project Proposals: I'm looking for freelancers with the ability to provide a comprehensive project proposal outlining how they plan to approach this task. Design Preferences: - The design should be professional and clean. The aim is to create a user-friendly and visually appealing interface. S...

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