Php invoicing system일자리

1. preferably React.js 2. excellent understanding and implementation of security techniques for variables and API interaction with variables. 3. have a good understanding of variable state management and React structures. 4. know how to manage cache and optimize SEO. Must be able to implement: 1. User Auth related such as login, signup, unsubscribe, logout, etc. 2. search bar and json-based data rendering Grid, List, Scroll, infinite Scroll, Pagenation, which are the core of e-commerce 3. It should be easy to manage the overall status of payment related, and Navigation processing should not cause bugs/abuse due to lack of data and status management. ** We do not recommend new developers who do not understand these fundamentals, or who do not have experience and want to gain experience. ...

Hello. I want to become an smm service provider. I don't want to be a reseller. I want to have my own service (my own API). I don't want to be a reseller that links APIs to other panels. I want the services needed for many platforms such as YouTube, Facebook, Instagram, TikTok, Snapchat, SoundCloud, Spotify, etc. But for now, you only need the YouTube service. Subscribers, Likes, Dislikes, Views, Watching Time For these services to work, many IPs and accounts are required. I want someone who can explain this to me. We plan to gradually increase the service. As much as possible, I want to entrust this project to a developer who has made smm panels. Take care of your health in cold weather.

php, mysql, word press, bootstrap, jquery , ajax, html5 (모바일웹, 앱) 기술 우대

We need to build a Korean version of a website is the website but needs to be integrated with South Korean payment systems. 와 같은 틀의 웹페이지를 만드는 것입니다. 필요한 기능들은 다음과 같습니다. -웹디자인 -준회원과 결제회원 따로 관리 -결제회원만 볼수 있는 동영상 페이지 -결제 시스템 결합 -보안

I'm a 3rd year student in need of a freelancer with extensive knowledge of Python, Machine Learning, and Flask. The project involves creating a content-based recommendation system that analyzes human face images. Key Requirements: - Proficient in Python and Machine Learning - Experience in Flask for web deployment - Prior work on image-based recommendation systems is a plus - Understanding of content-based filtering techniques - Capable of delivering a project suitable for academic standards The system will be content-based, analyzing images of human faces. If you have the required skills and experience, please get in touch for further details.

am working on writing a PY code to achieve following outcome and need finishing the code. Lets work on this in different parts. Before we start here is the summary of what we are trying to achieve. I am building a trading system that generates a list of stock options we need to enter on a given day and take trade at 9:15 with a predefined risk of 10% and risk to reward of 1:8. To achieve this we need to break down the process in to three major sections. Identify the stock to enter in to. Prepare and take trade on all opportunities. Manage trades and take profit on open trades. In this sequence of steps I have been able to solve part and need assistance in part 2 and 3. We will use the Dhan broker’s API to execute and manage trades and here is the there documentation link h...

...expertise specifically in SAP Convergent Charging and Convergent Invoicing. The primary purpose of this engagement is to provide necessary support for our SAP BRIM implementation. Key Responsibilities: - Providing troubleshooting assistance and resolving issues related to Convergent Charging and Convergent Invoicing. - Ensuring the smooth functioning of our SAP BRIM system to help improve our billing efficiency, enhance our invoicing accuracy, and manage our revenue better. Ideal Skills and Experience: - Minimum 5 years of hands-on experience with SAP BRIM, specifically with Convergent Charging and Convergent Invoicing. - Strong problem-solving skills with a knack for troubleshooting. - Proven track record of improving system performance and ...

We are looking for a committed professional to design and implement a comprehensive system for an NGO, aimed at collecting, storing, processing, analyzing, and presenting data on targeted and potential beneficiaries across the nation. The ideal candidate will have deep expertise in social protection program design, a strong grasp of implementation frameworks, and a solid background in research and analysis. If you possess a Master’s degree in Social Protection, Public Policy, or a related field, have at least five years of relevant experience, and are driven by the opportunity to create meaningful impact, we want to hear from you! Key Areas of Data: - Demographic Data: We need to gather information on age and gender, education level, and household size. - Economic Data: This ...

I need a WordPress expert to integrate a payment system and email collection feature on my website. I'm using Elementor, and I want to create a button that, when clicked, opens a popup with two options: "Free Information" and "Paid Consultation." The paid consultation option should lead to a payment page with options like credit card or PayPal. Additionally, I need to collect the user's email before they can proceed. If you have experience with Elementor and payment integration, please apply! While this is a small project, I am looking for someone reliable to collaborate with on many upcoming projects. For this task, I will only consider bids under €25. Skills Needed: - WordPress - Elementor - Payment Gateway Integration (WooCommerce, Stripe, P...

I operate a non-profit organization in Ontario, Canada. We assist people who are living homeless and/or facing addiction issues. We are moving forward with using Dynamics 365 and the power platform to manage our operations. Long term we will be incorporating azure ai services. This project will specifically focus on phase one of this process. I have attached a google doc link with the requirements. We already have a Microsoft non-profit grant with appropriate licenses and an environment setup. I am fairly competent in development however I lack the time to do this project myself. We need it done asap. Successful work will likely result in additional projects being awarded. There is a very ambitious long term plan we hope to achieve. I will setup a trello board to manage deliverables...

I'm seeking a professional to integrate two cryptocurrency payment gateways, Cryptomus and CoinPayments, into my PHP Laravel script. Specific Requirements: - Enable one-time payment transactions through these gateways. - Implement minor customizations on the payment gateway interfaces. Ideal Skills and Experience: - Proficiency in PHP and Laravel framework. - Prior experience with Cryptomus and CoinPayments integration. - Capability to handle minor customizations on payment interfaces. Please bid if you meet these qualifications. Thank you!

Zoho HR & Project Management System Integration We are seeking a freelance developer with experience in Zoho systems to integrate HR and project management tools. The project includes syncing data from a WordPress job portal, centralizing HR and project information, and automating workflows across Zoho applications. Key Features: Zoho Integration: Sync applicant data, manage job postings, and track statuses via Zoho Recruit and WordPress API. Project Management: Create projects, assign tasks, and track progress with Zoho Projects. Payroll Automation: Automate payroll and client invoicing via Zoho Payroll. HR Services: Custom recruitment, onboarding, and compliance features for each project. Analytics & Reporting: Custom dashboards for HR and project performance wit...

I need a skilled React developer to integrate a roulette application into my existing pure PHP script. Need someone that is free TODAY AND TOMORROW (saturday). If you cant work today and tomorrow, dont bid. $8/hour

Project Brief: Conference Booking Management System Project Overview: The Conference Booking Management System is designed to simplify and optimize the process of booking conference rooms within an organization. The solution will consist of a mobile application for users and a back-end management website for administrators. The system aims to provide seamless booking experiences, real-time availability updates, and efficient management of conference room resources. Key Features: Conference Room Booking: Any user with access to the mobile app can book available conference rooms. Admin Room Management: Admin users can create, edit, and manage conference room details, including capacity and amenities. Role-Based Approval and Cancellation: Admins have the authority...

...website design for an EPBAX system. The website will need to incorporate certain features of the EPBAX system, specifically call forwarding, voicemail, and conference calling. Key Requirements: - Design tailored for an EPBAX system - Integration of EPBAX features on the site - E-commerce capabilities for future scalability - A clean, modern portfolio aesthetic - Blog section for updates and information Ideal Experience and Skills: - Proven track record in E-commerce website design - Expertise in designing for telecommunication systems - Strong portfolio of modern, clean, user-friendly designs - Experience in creating integrated websites with multiple functionalities - Familiarity with designing blog sections on websites Your understanding of the EPBAX system...

Zoho HR & Project Management System Integration We are seeking a freelance developer with experience in Zoho systems to integrate HR and project management tools. The project includes syncing data from a WordPress job portal, centralizing HR and project information, and automating workflows across Zoho applications. Key Features: Zoho Integration: Sync applicant data, manage job postings, and track statuses via Zoho Recruit and WordPress API. Project Management: Create projects, assign tasks, and track progress with Zoho Projects. Payroll Automation: Automate payroll and client invoicing via Zoho Payroll. HR Services: Custom recruitment, onboarding, and compliance features for each project. Analytics & Reporting: Custom dashboards for HR and project performance wit...

Objective We are seeking a WordPress developer to create a clinic website with an integrated appointment booking system. The platform should allow patients to book appointments, make payments securely, and receive instant confirmations while notifying the doctor simultaneously. The project must be delivered within our budget of ₹1500-₹1800. Key Features We Need 1. Appointment Booking System - Patients can view available time slots and book their preferred appointment. - Easy-to-use interface for seamless booking. 2. Payment Integration - Secure payment gateway integration (e.g., Razorpay, Paytm, Stripe). - Automatic confirmation after successful payment. 3. Automated Notifications - Email/SMS notifications to the patient upon successful boo...

Need our setup and api connection from our site with pem-file, p12, to swish payment to work again. Code work is done but api files not connecting correctly due to a internal ssl error. Not site ssl error. Read more about setup

Project Title: Salon Management System - Super Admin Panel & API Development Project Description: We have an existing Salon Management System built in Laravel (Admin/Manager Panel) and Flutter (Customer Application), which is functioning well. The system currently supports one salon with multiple branches. We are looking to expand this by adding support for multiple salons, each having multiple branches. Current System Features: • Staff Management • Booking System • Billing System • Reports (Various types) • Ets. All of the above features are fully implemented, and the system works for a single salon with multiple branches. However, we now need to make the following changes and additions: Requirements: 1. Super ...

...integration is paramount for this project. - Lab integration must specifically cover major US labs such as Quest, and Lab Corp. - Payment collection to accommodate Credit/Debit card payments and Insurance payments is essential. Stripe would be the preferred program for payment processing. - The program should also generate medical claims and submit them. To also include invoicing, balances, etc. - Overall, the system should be designed to enhance efficiency and streamline operations in a medical setting. Ideal Skills and Experience: - Proven experience in developing web-based EMR systems. - Familiarity with EPCS and PDMP integration. - Prior work with lab data integration - Expertise in payment processing systems and medical claim generation integration - A st...

I want to create a remote start system for my BMW E60. The system will use an esp32 c3 to communicate with my phone, searching for a BLE beacon and a arduino mega to handle the sensors,and everything else ( esp is only for comunication ). Once close, it should start the car. As a backup, it will use an R503 fingerprint sensor for authentication. Key components of the project: - mcp2515 to detect engine RPM and door status via bmw K-kan bus. - Arduino to check shifter position using a Hall sensor, engine RPM and handbrake signal to permit remote start. Communication: - The primary communication method will be Bluetooth Low Energy (BLE) to interact with my phone. I need someone who is: - Very active on freelancer or platforms like WhatsApp, Facebook, etc. - Willing to commun...

Description: I am looking for an experienced developer who can connect the Viva Wallet payment system to my website. The website is written in Python (Flask). It is necessary to configure: 1. Obtaining an access token using client_id and client_secret. 2. Creating payments via nativecheckout/v2/orders. Processing successful and unsuccessful payments (success and failure callbacks). 3. Testing on the Production environment. What has already been done: The existing server code is available. Basic routes for processing requests are connected. API access is open (successful connection to the Viva Wallet server). What is required: Check the current code for compliance with the Viva Wallet documentation. Fix errors that cause HTTP 404 when accessing the API. Configure and test Success ...

I'm looking for a flyer designed to boost sales of our residential solar and battery systems. The target audience for this flyer is homeowners, and the key message to convey is cost savings. Ideal Skills: - Graphic Design - Marketing - Copywriting - Understanding of Solar Energy Concepts Experience: - Prior experience designing sales flyers - Experience working in the renewable energy sector is a plus

I fix system issues using custom Python tools with an id called the power of Python to identify, troubleshoot, and resolve system issues efficiently. developing custom scripts and tools, I streamline the process of diagnosing problems in operating systems, applications, and networks, ensuring minimal downtime and optimal I Offer: Automated Diagnostics: Build Python scripts to analyze system logs, monitor performance metrics, and detect anomalies. Identify root causes of errors or crashes using data parsing and analysis tools like Pandas. Custom Troubleshooting Tools: Create interactive Python applications to test and debug specific system components (e.g., hardware checks, API response testers). Develop tools to manage system resources, monitor disk u...

...an efficient, automated system for streamlining operations and developing a professional website to showcase our services. The system will integrate various tools to manage client interactions, creative processes, and secure delivery seamlessly. Project Scope: Data Collection Automation: Build systems to gather and organize client data effectively. Client Communication Workflow: Automate email outreach and client interactions using predefined templates and workflows. Creative Process Automation: Integrate tools for content generation, text-to-speech, and media creation, tailored to our project needs. File Sharing and Security: Implement secure systems for sharing files with clients while restricting downloads. Payment and Invoicing Integration: Automate inv...

I'm experiencing issues with graph rendering on my site, specifically on the Reports page. The graphs are not displaying at all, and there are error messages popping up. I'm not sure what the problem is, but I need a PHP and Highcharts expert to diagnose and fix the issue. Ideal skills and experience: - Proficient in PHP - Experienced with Highcharts - Able to troubleshoot and fix rendering issues - Can interpret error messages and diagnose problems Please provide prior examples of similar work in your bid.

AI Developer Needed to Create a Script-to-Song System Using TV Show Scripts and Video Clips Please take a look at this example video to get an idea of the style we’re aiming for: Description: We are seeking an experienced AI developer to build a unique system that can take full-length episodes of The Sopranos (or any TV show with available transcripts/subtitles) and create a musical song by extracting iconic lines, making them rhyme, and stitching together video clips from the show. The system should automatically perform the following steps: Key Requirements: Transcript and Subtitle Extraction: The system needs to process video episodes of The Sopranos and extract corresponding dialogue from subtitle files or generate it through speech-to-text

Project Description The goal is to transform an existing script that uses Google Documents AI to extract invoice data into a complete system that manages the data in a relational database and provides an interactive web interface for managing and viewing this data. Additionally, the system should allow user management with specific functionalities for assigning and managing invoices. Project Requirements 1. Data Migration Modify the current Python script to insert data directly into a relational database (e.g., PostgreSQL or MySQL) instead of exporting it to a CSV file. 2. Database Design a database to store: Invoice Data: Invoice number, date, amount, client, supplier, details, etc. Users: Name, email, password (encrypted), roles (admin/user), and assigned root folder. Me...

Brauche einen Eventkalender für Livestream Branche. Dabei müssen nach Abschluss die Zuschauerzahlen Archiviert werden sowie die IFrams hinterlegt werden können. Diverse Schnittstellen von der Eventplanung

Hello, We have a very complex PHP code calculating time duration from the database with multiple events. We have some special cases that needs to be handled and fixed. Thanks

I'm encountering a persistent database error within my blood management system. This issue arises when I attempt to modify a request after logging into the blood bank. Specifically, the error message reads 'Database error' and occurs when sending a request. Key Issues: - Error message displayed when modifying request - Database error encountered when sending request The ideal freelancer for this project should have: - Extensive experience in database management and troubleshooting - Expertise in managing system errors and bugs - Ability to implement effective solutions to ensure smooth operation of the system.

Este sistema ha sido diseñado para facilitar y optimizar la administración de ventas en un negocio. Ofrece una solución integral para registrar, gestionar y analizar las ventas de forma eficiente, con una interfaz intuitiva y funcionalidades clave que cubren todas las necesidades operativas. Principales Funcionalidades: Gestión de Productos y Ventas: Registro detallado de productos (nombre, precio, stock, etc.). Creación de ventas con selección de productos, cantidad y cálculo automático del total. Análisis y Reportes: Generación de gráficos de barras para visualizar el rendimiento de ventas. Filtrado de ventas por fechas, productos o categorías. Reportes de ventas detallados con exportación para ...

Like this All the content images URL, colors and texts need to configure with a .Json file to easy customization.

...developing a feature-rich Property Management Platform that helps landlords, property managers, and staff streamline every aspect of property oversight. This project extends beyond basic property/tenant management, incorporating advanced financial accounting, invoicing, document management, automated notifications, staff/vendor management, analytics, data import/export, and robust security measures. Initially, we’ll focus on a web-based solution using React (front-end) and Node.js + PostgreSQL (back-end). We also plan to future-proof the system for possible expansions to desktop and mobile platforms. If you have experience building complex, secure, and scalable SaaS/web apps, we’d love to see your proposal! Key Features & Modules 1. Property & Unit M...

I'm looking for a Full Stack Developer to build a financial system for a project I'm working on. It's a platform focusing on finance ("Finc"). Key Responsibilities: - Develop a comprehensive financial system with a focus on Financial Reporting. - The system should be capable of generating various financial reports, including Balance Sheets, Income Statements, and Cash Flow Statements. Ideal Skills: - Proficiency in both front-end and back-end development. - Experience in creating financial systems or platforms. - Strong understanding of generating and interpreting financial reports. The ideal freelancer for this project is someone with a keen interest in finance and technology, and who can translate complex financial data into an accessibl...

...cloud-based, Windows-exclusive POS system tailored for the retail sector. The software should be equipped with: - Inventory Management: Seamless tracking of stock levels, orders, sales, and deliveries. - User Access Control: Different access levels for staff, managers, and admin. - Customizable Receipts: Allow for branding and flexibility in customer transactions. - Automated Reporting: Regular and real-time reports on sales, inventory, and user activity. - Dashboards: User-friendly visual representations of key metrics. - Low Inventory Reminders: Alerts to prevent stockouts. - Cash Book: Integrated financial tracking. A modern design with an intuitive, easy-to-use interface is crucial. The system must also have the capability to connect with the government invoicing...

I'm looking for a PHP based web application that can analyze backgammon games in real time. The application will use a camera to capture the game and assess the players' performance. Key Details: - The application should be capable of reading all game details from the captured area. - It should be able to calculate and rate the users based on their performance. - Specifically, the app should track and evaluate players' win rates and statistics. Ideal Skills: - Proficient in PHP and web application development. - Experience with camera integration and real-time data processing. - Knowledge of backgammon rules and statistics tracking. Type "dragon" as hello avoid spam offers Please include in your proposal what you understand from the project and h...

...of a talented PHP and JavaScript software tester, who can write robust unit and integration test for the entire application. Is is possible that bugs may be found within the testing process, documentation of bugs and a failing test to prove it would be an ask here. I would expect an easy to use/triggerable via GH actions testing suite. ie. Merging to main will trigger a new GH action workflow to test the entire app ensuring safe CI/CD. As an extra mile, i would like the developer to offer advice for enhancements and upgrades, as I want to create a relationship with a astute developer who can continue to build projects for me and further enhance this current one. Ideal candidates should: - Be well versed in testing PHP/Javascript apps. - Have a strong background in ...

I need an affiliate program for my systems. I need each sale pay the comission that guy who indicate the software. The payment gateway must have the settings of Mercado Pago and PayPal one, one of the best of Latin America. I NEED THE SYSTEM ALREADY DONE. I think I cannot wait to develop. If have the tool already done I can pay immediatly. More details, chat me.

I'm looking for a seasoned Laravel developer to upgrade my Foodomaa application from PHP 7.3 to the latest version. The upgrade should include the introduction of new features and security enhancements to improve the application's overall performance and safety. Key Responsibilities: - Upgrade Foodomaa to the latest PHP version. - Implement new features during the upgrade. - Enhance the application's security during the upgrade. Ideal Skills: - Strong expertise in Laravel and PHP. - Experience in upgrading PHP applications. - Knowledge in implementing new features and security enhancements. Please note that the application does not have any customizations or third-party integrations. I will handle all the testing post-upgrade.

### Information System “Active Family” An information system is being developed with the primary goal of promoting physical activity among residents, encouraging participation in organized sports events through friendly competition, and providing direct benefits to users via the system. The system allows users to register their "family" and create a virtual account using online devices (computers, mobile phones, tablets). Each registered participant can collect, monitor, and utilize their virtual points. Points can be earned by completing specific actions (e.g., participating in an organizer's sports event), achieving certain results (e.g., performance in an organizer's sports event), and other cases defined by the organi...

I'm seeking a skilled professional to conduct a Gray Box penetration test on my web-based insurance policy administration system. This is a critical part of our security protocol, focusing specifically on user authentication and transaction processing vulnerabilities. Key areas of focus: - User Authentication: We need to ensure that our system can withstand potential attacks targeting user login and access control measures. - Transaction Processing: This area needs to be scrutinized for possible threats that could compromise the integrity and security of transactions. The penetration test should adhere to the OWASP compliance standards. Your experience with and understanding of these benchmarks will be key in identifying and mitigating potential risks. Ideal skills fo...

I'm seeking a skilled developer to create a simple, yet dynamic, Luckwheel web application. Key Features: - Basic prize wheel functionality: The wheel should be segmented into different prizes. - Single click to spin: Users should be able to spin the wheel with just one click. No user login features are necessary for this webapp. Ideal Skills: - Proficient in PHP and MySQL - Experience in developing interactive web applications - Ability to create user-friendly interfaces. Please note: The focus is on a basic, yet functional, prize wheel without advanced animations or customizable segments.

***This task work in our system through remote access*** please avoid wasting your time I'm looking for a PHP expert to fix my blog module, which is currently built on a Custom PHP framework. The goal is to make the blog module dynamic so it can better serve its purpose. Ideal Skills and Experience: - Extensive knowledge and experience with Custom PHP - Proven track record of fixing and enhancing blog modules - Ability to make content updates, user comments, categories and tags dynamic - Understanding of site loading speed, content updating and design/layout issues

System Design Plan 1. Architecture Design Approach: Modular and service-oriented to allow independent development, testing, and deployment of features. Core Components: Web-based MIS: Backend: Handle APIs, database queries, and business logic. Frontend: Provide an intuitive interface for data entry, monitoring, and reporting. GIS Module: Geospatial data visualization. Integration of PostGIS for spatial queries. Mobile App: Offline data collection with synchronization. Support for Android and iOS. Dashboard: Real-time analytics and visualizations using libraries like D3.js or Chart.js. Interoperability Layer: Enable integration with external systems Data Storage: PostgreSQL for structured data. PostGIS extension for spatial data. Hosting: Cloud-based for scalability (AWS, Azure, or G...

Seeking a developer to install a CodeCanyon source code on the Web, with additional features for a WhatsApp Rotator. The source code is built with PHP and requires a MySQL database. Task Breakdown: - Installation of the CodeCanyon source code - Integration of WhatsApp Rotator features: * Allow users to set multiple numbers * Enable users to assign a percentage to each number * Incorporation of Pixel code options * Displaying statistics for User/Admin * Allowing Admin to edit new features in WhatsApp Rotator Plan Ideal Skills and Experience: - Proficient in PHP, with prior experience in working with CodeCanyon source codes - Strong understanding of Web-based application development - Experienced in MySQL database management - Previous work with WhatsApp Rotator fea...

I need my intricate Excel sheet transformed into a PHP web application, complete with a MySQL database. The Excel file consists of 10 interconnected tabs, filled with VBA functions and classes. Key Requirements: - Replicate data calculations and transformations in PHP - Create user input forms and validations - Implement user authentication system with multiple roles - User roles should include: - Admin: Full control and oversight - Editor: Able to modify content - Viewer: Restricted to observation only Ideal Skills: - Proficiency in PHP and MySQL - Extensive experience with Excel VBA - Strong understanding of user authentication systems - Ability to replicate complex data processes in web applications Please only bid if you have a solid portfol...

PHP Survey Script Tweaks Project Description: I have installed a raw PHP survey script and require the following customizations to improve its functionality and user experience: Optimize CSV Import Performance: Currently, importing large CSV files takes too long and sometimes fails to provide a file for download. I need this process optimized for efficiency and reliability. Enhance Graph Display: The results include graphs, but the values aren't displayed on the graph bars. For better visualisation, I need the numerical values to appear inside the graph bars as text. Add Averages to Reports: In the report section, include an average of the survey results. This should be visible both on screen and in the exported .xlsx file. Skills Required: PHP MySQL JavaScri...

This project is exclusively intended for freelancers based in Romania who have experience in developing custom solutions for WordPress. We are looking to collaborate with a local developer who understands the specifics of the educational market in Romania and can implement a solution that complies with local legislative requirements (e.g., GDPR compliance, invoicing, electronic signatures). Prezentare Generală: este o platformă dedicată creșelor, grădinițelor și afterschool-urilor, construită pe baza temei MyListing. Scopul principal al site-ului este de a oferi utilizatorilor (părinți) un loc centralizat unde pot găsi și compara instituțiile educaționale disponibile, având acces la informații despre programe, locații și servicii oferite. Platforma utilizează funcționalităț...

I'm looking for a professional web developer with extensive experience in creating e-commerce websites, particularly with the Square system. The primary purpose of this site will be to facilitate product orders. Key Features: - Product Catalog: A well-structured, user-friendly product catalog that's easy to navigate. - Shopping Cart: An intuitive shopping cart that provides a seamless user experience. - Payment Gateway Integration: Secure and reliable integration with the Square payment gateway. Ideal Skills: - Proficient in web development and e-commerce site creation. - Extensive knowledge and experience with the Square system. - Excellent understanding of user experience and interface design. - Strong skills in secure payment integration.