Laravel api tutorialemplois

Please read the entire job post, before you bid. I'm in urgent need of a skilled PHP developer to create a comprehensive user registration form for a website. The form should feature essential capabilities such as: - User Registration: The form should allow users to register for the website in the MySQL. - Data Validation: The fo...confirmation system should be in place to confirm the user's email address. Notes: User selects a username, this must not be in the DB already. Email and phone should also be unique in the DB. Also there is a need to check if the username of a referral exists in DB. Page design is done, no work for you there. This is the form: There may be an option to do this in Laravel if you want, but most importantly - I need it done today.

I am looking for an experienced developer with expertise in both Gmail services and ASP.NET VB.NET. The project involves integrating Gmail with my existing application via an API. Specifically, I need: - Development of API in ASP.NET VB.NET - Integration of the above API with Gmail - Capability for the integrated system to send Emails To successfully carry out this project, proficient knowledge of ASP.NET VB.NET and familiarity with Gmail services are compulsory. A good understanding of API development and integration is also crucial. The API should be robust, able to handle multiple requests at once, and contain effective error handling processes. Experience in similar projects will greatly increase your chances of being selected for the job.

...a solid foundation with its frontend, backend, and browser extension. Based on the Trotto backend, a Django-based backend has already implemented that supports social login, adding and removing links. Goal is to implement team functionality so that a user created golink is available to everyone in the team similar to The task involves creating JSON API endpoints to create/edit/delete links and invite/add/remove members to enable golinks across an org. You are not going to be touching frontend HTML/CSS. Please share any past projects you have worked on related to Django (preferably a Github project link). If you know VueJS - that is a Plus. Document with more details about the project

I urgently need a skilled Flutter developer with experience in integrating Google Maps API into mobile applications. Specifically, I'm looking to have the following functionalities implemented: - **Displaying routes and directions:** This is the core feature I need. I want my app to be able to provide users with directions and routes in real-time. - **Real-time location tracking of users:** It's important for my app to be able to track and update users' locations in real-time. This is crucial for the functionality of the app. - **Displaying information about specific locations on the map:** The app should be able to provide information about specific locations on the map. This information should be interactive and helpful to the user. I need the project completed ...

I'm in need of a Laravel developer with frontend knowledge, preferably from India, to help with user interface improvements on an existing project. The ideal candidate should be experienced with: - Laravel, as the project is built with this framework - HTML/CSS, as these are the frontend technologies currently employed The main task will be to diagnose, make improvements, and fix any potential functionality errors that exist within the user interface of the project. This role goes beyond mere tweaks - I require a developer who can significantly elevate the look and feel of the project and ensure that this doesn't negatively impact any existing features. Be ready to demonstrate your experience and provide examples of similar projects.

I need a proficient Amazon API developer who can accomplish three main objectives: We need a solution to the below requirement. Issue: when listing the main product with variants, the variants are being ignored and only a single product is being listed.

For this assignment, I'm looking for an experienced developer to link Puntingform and our own API to develop a text-based Discord software. Essential Requirements: - In-depth understanding of API integration - Familiarity with Discord API - Ability to create software with real-time data updates - Proficiency in text-based software design By completing this project, you’ll facilitate an essential function of our Discord platform - real-time data updates. I am counting on your expertise to ensure seamless service for our users with this text-based application. Prior experience working with Discord API would be a definite plus.

Product edit issue and select issue in page. Able to work with ftp. Immediately

Looking for a pre-built API that can enhance image resolution. This will be an integral part of my workflow. Key Requirements: - The API should be compatible with Python, as this is the language I work with. - It should have a primary function of enhancing image resolution. Additional Information: - The expected input image size range is not defined, but the API should be able to handle images of varying sizes. - While not a must-have, I'd appreciate it if the API is lightweight and easy to integrate. Ideal Skills: - Proficiency in Python and experience with Python-based APIs. - Prior experience with AI image enhancer APIs. - Ability to understand and work with varying image sizes. Please provide details of the API you can offer and any relevant ...

Changes for the first Vcard as discussed

...accessible to users with disabilities, following WCAG guidelines. Technical Requirements: 1. Frontend Technologies:  HTML, CSS, JavaScript for the user interface.  Frameworks/libraries like React, Angular, or Vue.js for building interactive components.  2. Backend Technologies:  Programming language: Choose between JavaScript (Node.js), Python (Django/Flask), Ruby (Ruby on Rails), or PHP (Laravel).  Database: MySQL, PostgreSQL, MongoDB, or similar.  Web server: Apache, Nginx, or equivalent. 3. Payment Gateway Integration:  Select and integrate with a payment gateway provider that meets the project requirements (e.g., Stripe, PayPal). 4. Security Measures:  Implement secure coding practices to prevent common vulnerabilities (e.g., SQL injection, XSS).  Use encryption ...

...should have OTP functionality, meaning that it generates a one-time password for the user to enter as part of the authentication process. - Communication with our web-based Rest API should be established using API keys. This ensures secure and proper interaction with our backend system. Ideal Skills and Experience: - Proficiency in C# and experience with Windows application development. - Strong understanding of Windows 10 and Windows 11 operating systems. - Previous involvement in developing MFA systems, preferably with OTP functionalities. - Familiarity with Rest API integration and securely implementing this using API keys. Please provide a brief overview of your past projects that are relevant to this task. Your proposed plan of action and expected time...

I'm looking to develop a comprehensive Android application for the Help Me Move project which will integrate with other systems or APIs, and ...independent individuals who can assist with their move. Integration with Other Systems: - The application will require integration with other systems or APIs in order to provide a seamless experience for our users. Ideal Skills and Experience: - Proficiency in Android app development - Prior experience in developing applications with inventory management and comparison functionalities - Experience with API integration - Strong understanding of user experience design and mobile app best practices This project is ideal for someone who's interested in building a comprehensive Android application that can make a real difference in ...

I'm looking for ...push notification system that keeps users updated on their service requests, and any relevant app updates. - REST API Integration: Configure the project to seamlessly consume REST APIs, ensuring the app can communicate effectively with its backend. The primary goal of the app is to provide a platform that connects users with a wide variety of general services. The main services offered through the app will be of a general nature, catering to a broad spectrum of user needs. Ideal candidates should possess a strong background in Flutter development, with a solid understanding of mobile app architecture, user authentication systems, push notification implementations, and REST API integration. Previous experience in developing e-commerce or service-based...

...replace them with the APIs 1- Make code debuggable. 2- Error message appear with no details, need to make the error message has Show More to display the details of the error. 3- Load Codes from APIs instead of loading from JSON file. (1 API) require updating treeview to load on demand 4- Packages Load from APIs instead of loading from DB (2 APIs) 5- SubscribedPackages Call API instead of inserting into a DB (1 API) 6- Schemes Load from APIs instead of loading from DB (1 API) 7- Uploads Call API instead of inserting into a DB (1 API) 8- Users Call API instead of inserting and reading from a DB (5 APIs) you must have C# Blazor experience. -------------------------------------------------------------------------------------------...

I'm in need of a skilled Laravel developer who can help fix and improve the frontend and backend aspects of my existing project. - The frontend design of the project needs to be revised and improved. The main issues are related to typography, font styles, as well as the color scheme and branding. The ideal candidate should have a good eye for design, be able to create a visually appealing user interface, and ensure consistency throughout all pages. - Additionally, the backend functionality of the project needs to be revised and fixed. The main issues are related to data processing and validation, as well as API integrations. Strong Laravel skills and experience in working with APIs are required for this task. If you are a Laravel expert with a keen eye f...

This project is truly an enigma. With no clear direction provided in terms of design, features, or objectives, the developer will not only need top-notch Laravel skills, but they'll also need a high level of creativity and problem-solving abilities to decipher the exact requirements from my limited brief. I'm basically looking for an experienced Laravel developer who can take an abstract concept and turn it into a concrete application. Any experience in front-end design, database management, or API integration would be an advantage too.

I am looking for a full time NodeJS developer you must have vast experience in NodeJS you must work quickly. You must be well versed with MicroServices and how they work Skills: - Microservices - ExpressJS - Mongo database - Server configuration and management - Docker - API Integration You WILL conduct a coding test after the pre-interview questions and you MUST be fluent in English Salary: 400 USD per month (If you want higher do not bid) You will work 6-7 hrs per day Mon-Fri Please start proposal with "node" if you read it all anyone who does not will not be considered

We're looking to work with an experienced full-stack developer. Some requirements We're only looking for a single developer (NO AGENCIES) - Must be fluent in English - Must be available upon request - Must be flexible - Must be willing to work beyond regular working hours. - Must be able to make changes and updates fast (work with speed) - Must be able to communi...with an experienced full-stack developer. Some requirements We're only looking for a single developer (NO AGENCIES) - Must be fluent in English - Must be available upon request - Must be flexible - Must be willing to work beyond regular working hours. - Must be able to make changes and updates fast (work with speed) - Must be able to communicate - Full-time dedication is necessary - Flutter, Laravel &am...

We urgently require a Laravel expert to help us rectify a bug in our project. The exact task remains unidentified, but it involves problem-solving and debugging our Laravel-based system. Ideal Skills: - Strong background in Laravel - Expert troubleshooting skills - Prior experience with debugging and bug rectification. The project's current status and whether design or wireframe assistance is required has not been specified by the client. Please bid based on the information provided, any further necessary details will be discussed with the chosen freelancer.

As a React Developer, you’ll team up with others in various stacks at Nutshell. You can hone your skills alongside a frontend team that writes for both web and mobile in React + React Native, while you build the GraphQL and cloud infrastructure that powers our app. You’ll work with the data we store in MySQL and Solr on AWS. And with our continuous integration and rapid development stack, you’ll deploy tested, peer-reviewed code to production on your first day. Our technology stack includes: -PHP, Symfony, Nginx, MySQL, Solr, Gearman, and more, all running on AWS, managed with Ansible -React, React Native, Redux, and Webpack for web and mobile frontend tooling -Docker for local development -GitHub for code management and review -Continuous integration via Jenkins What Y...

I am in need of an expert Laravel developer to create a new feature for my web application. As the specific details for this feature were not provided, it is crucial that the successful candidate is able to quickly adapt to specifications and requirements as they are provided. Ideal skills and experience: - Extensive experience with Laravel - Experience with user-centric design and functionality - Excellent problem-solving skills - Ability to work under tight deadlines Overall, the main goal for this feature and for the project as a whole is to improve website functionality. The exact way in which this will be achieved will be discussed with the successful candidate. Please include examples of similar projects in your bid.

As an expanding company, we're on the hunt for a seasoned Laravel Developer who can hit the ground running with a yet to be disclosed project. Transparency is key in our approach, and as such a detailed overview of the project will be provided to the selected candidate, including potential features such as user authentication, API integration, and payment gateway integration. Key Responsibilities: 1. Rapidly building a Laravel project from the ground up. 2. Identify technical challenges and provide proactive solutions. Ideal Skills: 1. Proficient understanding of Laravel and PHP. 2. Experience with API integrations. 3. Proven work experience as a Laravel Developer The successful candidate will have the ability to work under pressure ...

...integrates with the XTB Trading API to perform 5 key functions. i have already done the and have got the session_ID token. This is an easy project and this should take around 4 to 5 hour max for a good PHP Coder Key Functions: - **Login**: The script should be able to log in to the XTB Trading API using the provided login credentials and OAuth token. - **Get Current Trades**: The script should be able to retrieve information for current trades, specifically the Trade ID. - **Open Trade**: Allow creating a new trade using the API. - **Delete Trade**: Allow deleting an existing trade. - **Create / Delete Order**: Implement the ability to create or delete an order. Key Requirements: - Expertise in PHP and API integration, ideally with experience

As the project owner, I'm urgently seeking a highly skilled Laravel developer. The exact front-end and back-end development requirements remain unstated, justifying a need for a full-stack developer given the potential range of tasks. Key Responsibilities: - Not specified. Likely spans both frontend and backend development. - Depending on project needs, tasks may include but not limited to database design and management, API integration and/or user authentication and authorization. Ideal Candidate: - Experienced Full-stack Laravel Developer. - Highly adaptable with excellent problem-solving skills. - Able to work with minimal specification details. Please note, the timeframe for the project completion is ASAP. Therefore, immediate availability is preferred. T...

My Laravel project is causing CPU usage to spike to 100% due to complex queries. I need an expert to optimize the project's performance. Key Responsibilities: - Diagnose the root cause of the performance issue, specifically tied to the high CPU usage - Implement Laravel best practices for handling complex queries - Provide recommendations and implement changes to optimize the project's performance Ideal Skills and Experience: - Proven experience in optimizing Laravel projects - Solid understanding of database indexing and query optimization - Familiarity with caching strategies and how to implement them in a Laravel project This is a high-priority task. Immediate availability and quick turnaround will be highly appreciated. Duevto cpu usage website...

I'm looking for a Laravel + Vue developer to craft a unique system that facilitates interaction between lenders and borrowers. It requires specific functional features to run smoothly. Please reply with "I am a Laravel expert" for me to know that you are not a bot. To save costs we will use best of industry templates like Vue - looking to use only ones that have high user base and high reviews like: Vuexy - Vuejs, Nuxt, , HTML, Laravel, Asp.Net & Django Admin Dashboard

...used for adding new pins to the map dataset. Here's what I'm looking for in each page: - **Mapbox Page** - Implement zoom in/out functionality. - **Add New Pins Page** - Allow users to add new pins by typing the beginning of an address, which will then be automatically found using the Mapbox Geocoding API. - Display an overlay with basic info about the new pin. Ideal Skills & Experience: - Proficiency in PHP, JS, and Bootstrap - Prior experience with Mapbox and its Geocoding API - Strong understanding of UI/UX principles for web applications - Ability to create seamless user experiences - Attention to detail and ability to follow specifications accurately. Please share any relevant work samples or portfolios along with your bid. Good communication sk...

...centered around social media analysis and trend prediction. Key Points: - You will only be required to generate a list of followed accounts' IDs for each user that is provided - The data you collect will be used to predict trends in user behavior and preferences Ideal Skills and Experience: - Proficiency in data scraping, particularly from social media platforms - Familiarity with Instagram's API and limitations Further notes - I am very familiar with scraping in general myself. There are many obstacles with Instagram - namely, the endpoint where the 'following' list is found requires a logged in sessionid. I have a very large list of users (11 million overall) that I need this data found for. Honestly, I'd prefer to have the methodology to scrape thi...

Hi, If anybody is interested to create an Api using bearer token and consume it using web forms in asp.net c#. Thank you.

...site is "". I am the owner of this domain. I want students to enter this site and register. Then they write their educational indicators, certificates and majors they are interested in. Accordingly, my system will recommend universities to them. Simple members of site can apply to 2 universities . If they are paid members, then they can apply to 7 universities. We still can't get api or ready files from universities. Therefore, all university and program information will be manually entered into the system by us. When students apply, they should feel like the system is automatically applying for them. The message that "your application has been registered" should be automatically sent to their personal e-mail. Later, the status of the application should b...

I am on a lookout for a reliable Laravel developer who would be able to handle custom feature development for my project. Specifically, I require design and development of a POS system. While I don't have any specific demands concerning your prior skills or experience, it would be beneficial if you have: - Proficiency in Laravel - Prior experience in developing custom features - Knowledge of POS systems The project's key goal is Custom Feature Development. Therefore, the successful freelancer will be required to show a keen understanding of my needs, the flexibility to adapt to challenges, and the technical prowess to execute plans effectively. Prior experience in POS system development will be an added asset. Looking forward to your bids.

I need a Python script to be deployed as a Lambda function and capable of processing tokens and handling verification and info retrieval tasks successfully. The Lambda function will handle both Google Sign-in ID and Access tokens. Summary: "Users creation" will be in DDB. "Endpoint creation" using API gateway. "User Authentication" using JWT "User Login" is via Google Sign-in

I am seeking an expert to design and develop an interactive web based AI avatar that utilizes the Chat GPT API. Key requirements for this project include: - Proficiency in API integration. Our AI Avatar needs to be integrated with the Chat GPT API directly within the webpage. - Comfort in supporting AI Avatar personality development. We are aiming for a friendly and casual tone while interacting with web users. - Understanding of web-based AI Avatar design to assist in answering inquiries, thus supporting customer service and increasing website engagement. Skills and competencies necessary to complete this project include knowledge of AI technologies, proficiency in API integration, and ability to embed chat functions into a web platform. Previous experienc...

We are seeking a skilled developer with experience in web app development, especially in the financial sector. Key Features: 1. User registration and login using Aadhar 2. Integration of third-party APIs for data 3. Bank authorization payment system 4. Secure data storage 5. User metrics and tracking system with API 6. Possible integration of a loan application and approval module in the future Ideal Skills and Experience: 1. Previous experience in similar web-based applications, particularly in the financial sector. 2. Proficiency in relevant programming languages and frameworks, with a preference for JavaScript 3. Strong understanding of user experience and interface design. If you have the skills and experience to develop this application, we want to hear from you. Please prov...

...integrate the Sales, Inventory, and Accounting modules of Odoo with WooCommerce. This is an advanced task that requires deep knowledge of Python programming language and a strong understanding of Odoo and WooCommerce platforms. KEY TASKS: - Develop a robust API connection between Odoo and WooCommerce. - Ensure seamless data exchange between the Sales, Inventory, and Accounting modules. REQUIRED SKILLS/EXPERIENCE: - Expert-level Python programming skills. - Extensive experience with Odoo and WooCommerce integration. - Experience with API development and integration. This project is not for beginners or intermediate level programmers. I need someone with a high degree of skill and proven proficiency in Python, Odoo, and WooCommerce. If you meet these requirements, I loo...

I'm looking to develop a po...Instagram, Twitter, YouTube, and TikTok. The platform should be able to scan for: - Reels and viral videos - Images - Specific speech (Dialogue) spoken in videos Users should have extensive customization options in the platform for specifying views, search content, and categories. The ideal candidate for this project should have expertise in: - AI and machine learning - Web development - Social media API integration - Subscription service implementation The development process should focus on ensuring the robustness and scalability of the system, ensuring that the platform can handle a large volume of requests and data processing. The end goal is to create an engaging and user-friendly platform that can provide valuable and entertaining conten...

I'm seeking an experienced Joomla developer who can help me integrate an API from PubMed into my website. The aim is to retrieve and display specific data from PubMed on my Joomla site. Your tasks will include: - Setting up the API integration for fetching the data from PubMed - Displaying the retrieved information in a custom module/widget on my Joomla site The specific details you need to consider are: - I'm interested in retrieving and displaying the 'Title' and 'Abstract' of the publications from PubMed - The displayed data should be organized neatly within a custom module or widget on my Joomla site Ideal skills and experience for the job: - Proficiency in Joomla development, with a strong understanding of API integration - Prior e...

I'm in need of an experienced Flutter developer to integrate APIs into my app. Please only reply experts who knows solution.

I'm looking for an expert who can seamlessly integrate Bask(CRM and Sales platform to) Klaviyo Flow via webhooks. Your task will involve creating an integration that can automate email campaigns, collect c... Your task will involve creating an integration that can automate email campaigns, collect customer data in real time, and track customer engagement effectively. The primary platforms for the project include Bask(only for webhook functionality) and Klaviyo(primary platform). The triggers for the Klaviyo flow API integration include: - Placing an order - Abandoned cart The ideal candidate should have prior experience with Klaviyo. They should also have a deep understanding of API integrations and webhooks, and be able to implement practical and efficient solutions...

I'm seeking a virtual assistant fluent in English to assist me with a variety of tasks, both personal and professional. Tasks: -Data Entry: I need help with data entry, but the anticipated workload is less th...able to manage your emails efficiently, including sorting, responding, and flagging important messages. The ideal candidate should have: - Excellent English language skills and ability to follow directions - Proven experience in data entry, video editing, and graphic design - Good organizational and time-management abilities and knows deadlines - Strong communication skills - Experience with tutorial creation and email management is a plus This is a great opportunity for a virtual assistant who thrives on a varied workload and is keen to grow and develop in a dynam...

I'm seeking a talented developer to create a custom Telegram bot for my company. The bot will serve as a communication tool and a source of information. Ideal Skills & Experience: - Proficiency in Telegram Bot API - Experience with bot design, including user input and automated messaging - Capable of implementing and managing information resources The main functionalities of the bot are: - Sending automated messages: The bot should be able to send pre-determined messages at set intervals. - Receiving user input: It should be able to interact with users and receive text input from them. - Providing information based on user queries: The bot needs to be able to present content from our company's internal library which will be provided upon Bot design by using MENU BUIL...

I need a proficient web developer to create a simplistic but functional and aesthetically pleasing informational website for me. The main goal is for it to provide information about my offline tutorial classes to the potential clients effectively. Key requirements: - Simplistic informational website design and development - User friendly and easy to navigate - Integration of a booking system for offline tutorial classes - Must be responsive and mobile-friendly - SEO optimization Although a payment system is not a must-have right now, I would prefer a developer who has the ability to integrate one in the future. Ideal skills: - Experience in web design and development - Proficiency in writing clean and efficient code - Familiarity with SEO best practices - Experience with ...

I'm in need of a skilled developer to help me complete a couple of tasks for a public website. - Bitcoinkiteslights: I'm looking for someone who can code customizable lighting patterns, integration with API and remote control capabilities. This involves programming the kites to have unique and customizable lighting effects, allowing the user to interact with them via a remote control, and connecting them to an external API. - Deposit Button: I also need a deposit button integrated into the website, to allow users to easily deposit funds. I'd prefer the button to be compatible with PayPal, Stripe and Square. Ideal skills and experience for this job would include: - Proficiency in JavaScript, Python and Ruby - Experience with hardware programming, particular...

...Generate a custom QR code to a rating page with pre-filled order number (unique identifier from above) Order confirmation email. With animated banner and QR code. SQL database. All data from the users, questionnaires, orders, and ratings will be stored in a postgres SQL. I have specified the database design (see below). Currently there is no API to warehouse/shipping (postage of orders are handled manually, but please set up the database with the future API integrations in mind). Manual order (in backend). Basically, I want to be able to look at the sample ratings for each sample order and manually decide on what product to send the user. I will need an easy way to assign sample_order_id to a new product_id (see ORDERS table) Pop-up window for visitors outside shipping reg...

I need a small web app that wi...database, then display the address on the screen for the user to confirm. Once confirmed, the user will submit the request to get a unique link that expire's once it is used once. They can then have an option to copy, or share the link on their socials. Whoever picks up the link it takes them to a page where they can enter how much they will sponsor with, and then proceed to checkout and a payment API takes over. Once the payment is successful, a token is generated and displayed on screen of the sponsor, and the requestor receives an SMS or email with the token. Sponsors and requestors can have access to their history, and a sponsor can decide to sponsor a list of people in one go. Also an Ad network integration is important for both the web an...

I'm looking for a freelancer experienced in Laravel to help me integrate a payment gateway into my site. The script that must be installed is this: The site where the script must be installed is Key Requirements: - Expertise in Laravel: The freelancer must be able to navigate the Laravel framework with ease to integrate the payment script. - Custom Payment Gateway Integration Experience: The selected payment gateway isn't the usual PayPal, Stripe, or Authorize.Net. Therefore, the freelancer needs to demonstrate past experience with integrating custom payment gateways.

Google Play Store Reviews and Sentiment Analysis Website- The website offers a user-friendly interface and provide sentiment analysis of reviews from the Google Play Store. 1. User Module a. User Registration Module To get started, users need to register themselves by providing the following details: Username, Password, Email b. User Login Module- Users can log in to their account by providing ...view all the reviews, analyze the results of the reviews, and manage user profiles. d. User Manage Module- The user manage module allows admins to manage user profiles. Admins can view all user profiles, edit user profiles, and delete user profiles if required. Technologies Used Frontend: HTML, CSS, JavaScript Developed in : Python Database: MySQL Sentiment Analysis: Google Play Store Reviews ...

Hello, We're looking for someone to help up integrate an online wholesale diamond catalogue with our premium Shopify theme The wholesale website: It's API documention: Our website: (currently an Iframe. but we have a premium theme "Impulse") You'll see that our site is just a reflection of the Stuller catalogue, this is because it's using Iframes WHAT WE WANT: -For our site to look and feel like or something similar -To have access to the Stuller catalogue with Shopify's functionality -A shopping cart -A custommer service chat box -For the site to update it's inventory based on Stuller SOME THINGS TO NOTE: -We have an existing Shopify premium theme "Impulse" which should

...Implementing user login and authentication. - Implementing secure Patient Health Information (PHI), aka "HIPAA" standards. - Incorporating functionality for users to pay their invoices within the platform. - Ensuring that the payment options include credit card, debit card, electronic checks, bank transfer, vemo, zell, and any other relevant technologies. - Updating merchant services to the Intuit Merchant API. Ideal Skills and Experience: - Proficiency in web development, particularly in medical management systems. - PHI and HIPPA security - Experience in integrating new systems with existing websites. - Ability to think outside the box, as an end user rather than as a programmer. - Strong understanding of user authentication and payment system integration. - Knowled...