Hourly rate of senior software developer in ksa jobs

I'm looking for an experienced developer who can create a system similar to Uber, with some distinct features and assist me with deploying it to Google Play and App Store. Key Features: - GPS Tracking: The system should include real-time GPS tracking to ensure accurate location services for users. - Payment Gateway Integration: A secure and user-friendly payment gateway is crucial for the smooth functioning of the app. - User Rating and Review System: An essential feature that allows users to rate and leave feedback on their experiences with drivers, ensuring quality control and trust. Desired Platforms: - Android & iOS: I need the system to be compatible with both Android and iOS platforms for a wider reach and user base. In addition, I'd like...

...existing app has been fully developed, and now I'm looking for a skilled Flutter developer to assist in uploading it on the iOS platform and integrating in-app purchases. Key requirements and scope of work: - Fully developed iOS app upload: The app is complete and functional, so the primary goal is to ensure a smooth and successful upload to the iOS platform. - In-app purchase integration: Implementing in-app purchases within the app is crucial. This includes setting up the necessary mechanisms for users to make purchases within the app. I am looking for someone who: - Has extensive experience in Flutter and iOS app development - Is proficient in in-app purchase implementations - Understands the process of upl...

...are in search of a ZOHO expert available for hourly consultancy to assist us in mastering various ZOHO applications. Over the past 2-3 months, we've successfully integrated Zoho Projects, CRM, Invoices, and Calendar into our workflow. Our next step is to streamline and enhance our processes and pipelines by effectively linking these applications. Our goal is to engage in video calls with screen sharing sessions, where you will guide us through the optimal use of all features, focusing on refining and automating our processes. Confidentiality is paramount, as we aim to safeguard our customer information within the ZOHO apps. Therefore, this collaboration model is essential. We are looking to schedule 2-hour sessions, multiple times a week...

Need a photographer for 1-2 (or more depends on your hourly rate) hours to take professional photographs in Sydney. No video required. Looking for corporate photographs , images for my business website, social media etc. Date: 16th Jun (Sun) or 17th Jun (Mon) I just need digital copies, do not need print outs. Let me the know the following: 1) Your hourly rate? 2) How many photos would be included in 1 hour?

I'm in need of a Full Stack Web App Developer who can deliver a comprehensive web application. The ideal candidate will have experience with user authentication, database integration, payment gateway integration, instant messaging and push notifications. Key Requirements: - Proficient in Full Stack development - Strong understanding of User Authentication - Experience with Database Integration - Previous work with Payment Gateway Integration - Familiarity with Instant Messaging features - Ability to implement Push Notifications Your responsibilities will include: - Developing a user-friendly interface with secure user authentication. - Integrating a robust database system to ensure seamless data management. - Implementing a secure payment gateway f...

I am in need of a creative, skilled web designer who can help me build a new interior design website. I like my current website - , but it needs to be updated and/or redesigned/recreated. I prefer a minimalistic, modern, timeless design and like to be closely involved in the creative process. I might also be interested in finding an expert Instagram user to consult to develop my Instagram presence. A designer local to the Washington, DC metropolitan area would be ideal but not required. While I'd like to have a quote or estimate for a finished website, I am open to paying on an hourly basis for ongoing services. Requirements: - I need a website that can serve as a portfolio showcasing my previous interior design projects. This means the website sho...

...site is FULL of Plugins. If you break any of them, I expect you to fix it without any extra fee **** Currently using Magento 2.4.7p 1.  Upgrade to latest Porto theme  2.  Install FREE version of G|Translate  3.   Install Curcy Currency Converter - activate in header, product page, checkout, etc. :: I purchased this plugin 4.   Registration should show a confirmation message whether it is with social media or with registration form.   5.  All transactional emails SHOULD GO INTO INBOX and not spam folder  6.  All links in transactional email should work - View on Browser, Unsubscribe, Reset Password, etc.    ::  Email templates not working    ::  Rabb...

I am in need of an experienced ASP.NET MVC C# developer to create a web application that connects to AWS RDS OpenSearch. The project is focused on a read-only dashboard. The key requirements for this project are: - User Login: The application should allow for user to login, with different roles such as Admin, Regular User, and Guest. - Dashboard: The dashboard should be read-only and include elements such as charts and graphs, recent activities, notifications, reports, and filters. The ideal freelancer for this project should have: - Proven experience with ASP.NET MVC C# - Strong understanding of AWS RDS and OpenSearch DB - Experience with login systems and user policies - Previous work involving the creation of read-only dashboards If you have the ...

Hi ? I'm seeking a website designer who is experienced using the Vev page builder to creat...WordPress at but I want to redesign my Home and About pages to be as engaging and interactive as possible, using scrolly-telling to explain the various features and benefits of the platform. Please reply with the best rate you can to redesign my homepage and about page in Vev to compellingly tell the story about my platform and its features, benefits, mission and purpose. I don't really have any reference design to show, so you will be using your own creativity for every element. To verify that you actually read the details of this listing, please include the following phrase in your cover letter: PINK ELEPHANT Applications without this phrase will b...

I'm urgently seeking a skilled Flutter developer who specializes in payment gateway integration. Your task involves incorporating Mercado Pago/Mercado Pago Bricks into a towing service app akin to uber. Both Android and iOS platforms are expected for development. I want to reassure you that UI/UX designs are already in place and will be made available to you once we commence the project. Your responsibilities will include, but may not be limited to: - Implementing payment for services - Integrating functionality for processing refunds - Enabling feature for viewing payment history Ideally, you will have strong experience in Flutter and a track record in successful integrations of payment gateways, specifically Mercado Pago/Mercado Pago Bric...

...agency's () requirements in the different tabs and menus of the CRM system. The freelancer will also need to update the same content in the actual CRM system. Additionally, the freelancer must send a complete file containing all the content created for the project separately, including demo proposals. Responsibilities: 1) Collaborate with our CRM team to understand our current processes and requirements 2) Conduct thorough research and gather necessary information 3) Write detailed, step-by-step instructions and guidelines for various CRM processes 4) Ensure documentation is easy to understand and follow for both new and experienced users 5) Organize and structure the content logically for efficient reference 6) Maintain consistency in writing style, t...

PLEASE SUBMIT AN ACCURATE HOURLY RATE. ANY ASKS FOR MORE WILL RESULT IN ME LOOKING FOR SOMEONE ELSE. I am seeking a web developer to help me with structuring and upkeep of my very simple website. I will send you HTML files of pages. Your job is to upload them to the website and ensure everything works as necessary. This is ongoing work. You will also be occasionally given tasks such as integrating things into the website, modifying style, fixing things, etc. Project is ONGOING HOURLY PROJECT. Any work you create for this project is “Work for Hire” according to US Copyright law. PLEASE SUBMIT AN ACCURATE HOURLY RATE. ANY ASKS FOR MORE WILL RESULT IN ME LOOKING FOR SOMEONE ELSE.

...Easy. Simple, not complex. Our logo should reflect this simplicity and ease of use. is a software product for enterprise organizations that leverages the power of Generative AI to boost operational efficiency, enabling businesses to craft, share, and collaborate on knowledge and artifacts with precision and compliance. Designed for organizations of all sizes, is dedicated to ensuring the integrity of content within the dynamic scope of large language models. Its standout feature is the emphasis on minimizing AI-related risks, positioning it as the secure choice for enterprises prioritizing control over internal data and procedures. Design Requirements: The logo for should embody symbols of intelligence, collaboration, and trust. The...

Need Urgent. Will start working now hourly basis. I need an expert Laravel developer to jump on board urgently to support enhancements on our existing application. The core tasks to be performed include frontend and backend development as well as bug fixing. This role requires experience in: - Backend development: We need an expert who can work on complex server-side code, solve performance problems, and architectural challenges. - Frontend development: The right candidate should be proficient in developing clean, efficient frontend design, ensuring superb user experience. - Bug fixing: Need a detail-oriented coder to troubleshoot and clear out potential bugs in our website to ensure a smooth, efficient function. Candidates need to have solid experie...

...500 a month. The best candidate with the cheapest hourly rate will win the job. There will be a coding test to screen your skills. ****You MUST pass the coding test first before talking with me about next steps. **** If you pass the coding test you will get a 1-1 video call with me, where I will explain the rest of the job. Here is the test. You may send me a message after you complete it. Test will take ~50 min Basic job description: I'm in need of a skilled full-stack developer to work on a long-term project. The ideal candidate will have expertise in React, Node.JS, PostgreSQL, and TypeScript. Main Functionalities: - This project will involve both UI and API development. - Expertise in data management, user authe...

I require a software tester with a good understanding of the German language and experience in testing web applications. The ideal candidate will be able to manually test the application for any bugs or issues. Key requirements: - Proficiency in the German language at an intermediate level. - Experience or understanding of web applications. - Ability to manually test web applications for bugs. - Familiarity with software testing methodologies and tools is a bonus. Your role will involve comprehensively testing our web application for any issues that may impact user experience or functionality. Experience with automated testing or performance testing would be beneficial but not required. Please only apply if you are fluent in German and ha...

...retrace my company's logo. This logo is currently in high quality, but I’d like it to be enhanced further. Key project parameters: - The logo should be traced to an even higher resolution, ensuring sharp details you might expect from professional logo design. - I want the color scheme to remain exactly the same as in the original. - Importantly, the logo should remain identical in all other specifications - no changes or additional elements are required. Ideal Person for this Job: - Highly proficient in graphic design software - Experience with logo design and retracing - Great attention to detail - Able to perfectly color match original logo Deliverables will include the logo file in both PNG and JPEG formats. Please share e...

I need a skilled software developer for creating a real-time data management software. This software is meant to handle and process data efficiently in real-time, with the ability to deploy both on-premises and in the cloud. Key Features: - Real-time data processing: A crucial feature of the software. Data needs to be processed instantly to improve decision-making and streamline operations. - Hybrid Deployment: The software should be deployable both on-premises and in the cloud. This allows us the flexibility to choose the most suitable deployment for our business needs. Ideal Skills & Experience: - Proficiency in software development with a particular focus on data management tools and techniques. -...

Fix server issues

I'm seeking a talented graph...Responsibilities: - Develop a creative yet informative design that appeals to older adults - convey the message that good health is very achievable through good lifestyle practices - Ensure the content is professional and easy to understand Skills and Experience: - Proven graphic design skills - Experience in designing health or nutrition-related materials is preferable - Ability to communicate complex information in a clear and engaging manner - Understanding of the interests and concerns of an older demographic is beneficial The perfect candidate is one who is knowledgeable about healthy aging and can design a poster that effectively communicates this to an older adult audience. The poster should be professional, educati...

I'm in need of a highly skilled Laravel developer with a strong background in backend development. Your key responsibilities will include: - Implementing, refining, and maintaining the server-side logic of our web applications - Developing secure, high-performance APIs - Integrating authentication and authorization packages We're looking for an Expert level Laravel developer who can hit the ground running. You should be comfortable working with Laravel's backend functionalities and have a keen eye for efficiency and security. Skills and Experience: - Proven experience in Laravel backend development - Expertise in integrating authentication and authorization packages - Proficiency in developing and optimizing ...

I am in need of a WordPress developer who can design and create two types of websites for me. For the online store, I require specific features like a payment system, inventory management, and a live chat function. For the corporate site, I'd like a few additional features such as a contact form, service pages, and an image gallery. Ideal Skills: - Proficient in WordPress development - E-commerce website development experience - Familiarity with payment gateways - Excellent UI/UX design capabilities - Ability to create user-friendly admin interfaces for inventory management - Experience with incorporating and customizing live chat features in a website - Strong understanding of modern web design and user experience trends - Proven...

I'm looking for an app developer who can create an alumni database application that will run on both iOS and Android platforms. The primary function of the app will be to provide a comprehensive database of our alumni. Our existing alumni database will need to be integrated into the app. This will require a good level of understanding of database management and integration. I'm seeking a developer who has experience in developing apps for both iOS and Android, and who is also comfortable with integrating and managing large databases. Experience with database management systems and good UI/UX design skills are desirable. Skills Required: - Proficiency in app development for both iOS and Android - Experience with databa...

I am in need of a talented PHP developer with solid experience in integrating SMTP email with Outlook. The project's main objective is to enhance our mailing system, making it more user-friendly and effective. Key Project Requirements: - Implementing the ability to send email notifications from our system through Outlook. - Enabling tracking of email delivery status, ensuring transparency in our communication process. - Developing a user-friendly way to manage email templates, specifically focusing on basic text formatting like bold or italics. Ideal Skills and Experience: - Proficiency in PHP development. - Prior experience with integrating SMTP email, particularly using Outlook. - Strong understanding of email delivery track...

I'm looking for a seasoned full stack developer with a solid background in AI and mobile development. As the platforms for deployment will be iOS and Android, proficiency in programming languages that support these platforms is required. Responsibilities: - Develop an AI psychologist application for iOS and Android platforms. - Apply machine learning techniques. - Build an efficient, testable, and reusable code. Ideal Skills: - Experience with AI, Machine Learning, iOS, and Android app development. - Proficiency in Python, JavaScript, and Java would be ideal but it's not required. - Deep understanding of mobile development frameworks. Don't hesitate to apply if you are experienced with building AI apps for mobile platforms. I look forwa...

I'm in need of a proficient and experienced web developer to build a website focused on downloading APKs and software. Key Requirements: - Support for multiplatform downloads. This includes Android, Windows, and iOS. - A large variety of software and APK types will be hosted. This ranges from games to productivity tools, utility apps and more. Ideal Skills: - Strong experience in web development. - Familiarity with creating a safe and secure file download environment. - Experience building platforms that support multi-platform software. A high level of attention to detail is crucial for this project. Effective categorization of the many different APK and software types to ensure smooth user experience ...

...Tamil-speaking developer with solid experience in Flutter to build a utility app. Ideally, the chosen freelancer should have: - Proficiency in building Flutter apps - Eye for intuitive UI/UX Key Job Requirements: - Create a utility application using Flutter - Utilize your native Tamil language proficiency for effective communication Key Application Features: - Product Catalog: An easy-to-navigate user interface for users to browse our offered services/products. - Shopping Cart: A smooth and seamless integration to enable users select and save products/services for eventual purchase. - Payment Gateway: Incorporation of a secure, trusted and user-friendly payment gateway for users to make purchases. Overall, I am seeking a dedicated,...

I need a talented mobile developer with a solid background in both Android and iOS platforms. Design and develop a user-friendly mobile app. Who can Implement features and functionalities based on project requirements. Ensure smooth performance and compatibility across various devices and screen sizes. Conduct thorough testing and debugging to identify and fix issues. Adhere to project timelines and deliverables. Please provide links to your portfolio or previous work.

I require a skilled and creative freelancer capable of producing compelling promotional, explainer, and animated videos. These creations will be shared across Instagram, Facebook, and YouTube. Our goal is to leverage these videos and designs for boosting brand awareness, promoting products/services, and engaging with our audience. Ideal Skills: • Video Editing • Graphic Design • Animation • Content Creation • Social Media Management Experience in crafting content for student services, medical services, engineering services, and real estate services is highly valued. This project seeks a high-impact visual strategy so a knack for visually arresting media is a must. Show me your creativity, impress me with your portfolio, and let's create somet...

...experienced developer to create a stock trading app specifically for the Indian stock market. Key Features: - Real-time Stock Prices: The app should have the capability to display the current stock prices accurately and in real-time. - Portfolio Management: A feature that allows users to manage their stock portfolios efficiently. - Buy/Sell Orders: The app should permit users to execute buy and sell orders with convenience. My project needs to be completed urgently. Therefore, I'm looking for a developer who can work promptly, efficiently, and can meet tight deadlines. Key Skills and Experience: - Prior experience in developing stock trading apps, ideally for the Indian Stock Market. - Proficiency in mobile app development specifically for An...

Create an LLM based application.

Need someone to help in simple bug fixing error who has experience in android apps and knowledge about it Requirements are Coding skill Android knowledge

Language Barrier: Looking for a Russian-speaking developer: Есть мобильное приложение, нужно чтобы при переходе с телефона по ссылке открывалась копия приложения в браузере (только пару страниц). Так же необходимо настроить метатеги и чтобы сайт индексировался по SEO. Страницы для подключения: - заглушка - при переходе на другие страницы - страница списка - будет переход на эту страницу. на странице есть кликабельные элементы и данные, которые меняются при свайпе - плейлист - переход со страницы списка - сортировка - переход с плейлиста. при выборе юзера меняется контент на странице списка Так же должны быть анимации при свайпе влево/вправо, вверх/вниз.

I need a developer who is proficient in both the Solana blockchain and Web3. Specifically, I'm looking for the following: - Experience with Solana blockchain: I require someone who has hands-on experience working with Solana, including creating and managing smart contracts on this platform. - Solidity programming: Proficiency in Solidity programming is a must for this project. You should be able to write efficient and secure smart contracts. - integration: I require a developer who is skilled in integrating with the Solana blockchain, enabling seamless interaction with decentralized applications. Additionally, you should be able to communicate and collaborate effectively, keeping me updated on the progress of the project. Your knowledge ...

I'm looking for a Django developer with experience in e-commerce applications to help me complete and enhance an existing app. Key Features to Complete: - User Authentication - Product Uploading - Customer Order Tracking Features to Add: - Payment Integration: I need to integrate a payment system within the app. While I haven't decided on a specific provider yet, I'm open to suggestions that would suit an e-commerce platform. - Customer Reviews: I'd like to add a customer review system, where users can leave feedback and rate products. The app is already partially developed, and I have a good understanding of Python and Django, but I need an expert to finalize the app and add the new functionalities. Ideal Skills and Experience: - Profic...

...having the website built, my limited understanding of eCommerce operations has hindered its profitability. However, I recognize the opportunity and seek an experienced eCommerce sales manager to take charge of all operational aspects. I am looking for a proactive and skilled individual to assume the role of eCommerce sales manager for the Shopify dropshipping site. As the owner, my primary responsibility will be maintaining of the website, while the selected manager will have complete autonomy over day-to-day operations. This includes, but is not limited to, product research and selection, supplier management, inventory management, order processing and fulfillment, customer service, marketing and advertising, and conversion optimization. In exchange ...

*************IMPORTANT*********** Plea...personal Github profile first, we won't check bid without Github profile. ************************************ I'm in need of a talented developer, preferably with a strong background in producing business applications. Here's what I'm looking for: - Expertise: You should be skillful in any of Javascript, Python, Java / Kotlin or Swift / Objective C, Flutter / React Native / Xamarin. - Platforms: Production of a cross-platform app that runs smoothly on both iOS and Android is essential. - Experience: Evidence of previous projects in business app development would ideally be shown. By applying these requirements, you will help to create an app that can contribut...

In search of a seasoned CRM developer with experience in creating over 10 to 15 CRM software. The ideal candidate should have: - Proficiency in building key features and functionalities such as contact management, lead management, and sales pipeline tracking. - The ability to integrate the CRM software with social media platforms and customer support ticketing systems. - Skills to develop both web-based and desktop application versions of the CRM software. If you possess the skills outlined above and are able to meet these requirements, I encourage you to apply.

Project Description: We are seeking a talented MERN Stack Developer to join our team for an exciting project. The successful candidate will play a pivotal role in developing high-quality software solutions that align with our project requirements. Your primary responsibilities will include building robust backend services using Node.js and , as well as creating dynamic user interfaces with React.js. Key Responsibilities: Develop and implement backend services using Node.js and Express.js. Design and develop user-facing features with React.js. Collaborate with the team to understand project requirements and deliver solutions accordingly. Write clean, maintainable, and efficient code. Ensure the technical feasibility of UI/UX designs. Optimize applications for m...

...start immediately. I'm seeking a highly skilled blockchain developer to create first-rate smart contracts for an upcoming project. Though the specifics of the transactions that these smart contracts will be used for hasn't been decided yet, you'll be required to produce high-quality, robust, and efficient code. Key responsibilities will include: • Identifying and defining the requirements for the smart contracts • Creating and implementing the smart contracts Ideal candidates will have: • Proven experience in blockchain development • Extensive knowledge of smart contracts development • Ability to work independently and take initiative • Excellent problem-solving skills Please detail your experience with ...

I'm looking for a skilled Flutter developer with experience in Laravel and Parse server to work on an existing audio chat room app. The project involves the addition of new features to the app, however, the client has not provided a detailed list of the features required. The ideal freelancer will have the following qualifications: - Proficient in Flutter for mobile app development - Familiar with Laravel for the admin panel - Experience working with Back4app Parse server - Prior experience in integrating audio and video chat services (specifically Agora) into mobile apps Please note that the client has not specified how they would like the new features to be integrated into the existing app. The successful candidate will need to be able to ...

...300.00 EUR. I am looking for an experienced developer to create a bot (on the telegram platform) capable of instantly buying and selling Solana tokens on Raydium, Jupiter DEX. You will need to develop a bot that will perform transactions fully automatically, without the need for manual approval. Key features: Telegram platform Seamless integration with Raydium. Orca. Jupiter. Phantom wallet import Instant execution of buy/sell orders (swap in less than 1 second) Copytrading Full automation of operations. The ideal candidate should have: Experience in programming trading bots. Excellent knowledge of Solana and its DEX platforms (Serum Dex). High level of accuracy and attention to real-time changes. More details will be provided ...

...and VueJS developer who can customize an already developed script to fit our specific needs. Although the user chose to skip a few questions outlining the exact changes needed, we expect the developer to be proficient in: - User authentication - Dashboard layout design - Payment integration - Permissions - SaaS Development - Laravel and Vuejs expertise Ideal candidates should be able to confidently handle these listed tasks and possess the ability to suggest and implement improvements. Prior experience customizing these elements and a keen eye for detail are highly desired, to ensure the finished product aligns with our vision. Please approach this task with adaptability and a problem-solving mindset, as specific customization requests will be discussed during ...

Hello I need an experienced programmer willing to take a project that requires attention to detail and precise understanding of the subject matter. I can give extensive details about the ideal functioning of the spreadsheet I need done, however, this is an overwview: Track all gross/net profits track all account balances track all bank balances track all ongoing and completed bets on each account track across futile types of bet single and sequenced (this will require custom logic) as well as more basic things. im looking of a single place for everything to happen and for the right person to create it. No work will need to be done with external API this is only an internal management and accounting system.

I'm currently in search of a skilled Laravel developer who can help me finalize an API for a video chat application. The task involves enhancing the existing API endpoints and developing new functionalities to ensure its smooth operation and seamless integration. Key responsibilities include: - Extending the API to support real-time notifications, user authentication, call recording, file sharing, and a ticket-based system for bugs and issues tracking. - Implementing real-time status updates for the bugs and issues tracking feature. I am particularly keen on someone who has expertise in Laravel, API development, real-time systems, and bug tracking. Your past experience with similar projects will be an added advantage. To avoid the enormous amount o...

Looking for a senior IT support engineer Looking for someone who has experience in 365 skills windows RDS web app / work resources skills, basic firewall skills, windows AD and AAD, windows server skills, with 365 we would like in-tune, exchange on line , SharePoint, 365 flow and power apps, VMware ESXI and vCentre skills. Nice to have kasm workspace build experience or skills. Timeframes: 9am to 5pm AUS Brisbane time. 5 days a week. The project will be long-term. Will sign a contract for 5 years. Performance bonuses will be offered as well. Looking to start ASAP.

I'm looking for an experienced Android app developer who can dive in and help launch a puzzle genre gaming app. Key Tasks: * Finalizing game mechanics and performance * Integrating in-app purchases Ideal Candidate: * Fluent in Android app development, with a specific focus on gaming * Experience with puzzle games is a plus * Knowledgeable in in-app purchases setup Please note, there's no need for social media integration and push notifications in this project. However, successful completion of this project could lead to further work developing these features.

I'm in need of an experienced React Native developer who can assist in building an app for both iOS and Android. The primary goal of this app is to allow users to register different parameters, which will be discussed in further detail.(I'm a fullstack developer myself but need help to re-build a current app). So you don't have to come up with stuff from scratch. Key Responsibilities: - Develop a React Native app with Expo for both iOS and Android platforms Your responsibilities will include: - Collaborating with me to reach a scalable React Native app using - Designing a user-friendly interface and implementing necessary features - Ensuring the app is optimized for both iOS and Android platforms Ideal Skills: - Strong kno...

I'm in need of a Unity developer with experience in creating platformer games. The core tasks will involve developing a 3D platformer game that uses the WASD keys where the main character defeats enemies and collects items. Key Requirements: - Proficiency in Unity and C# - Previous experience developing 3D platformer games - Ability to optimize game performance - Knowledge of creating intuitive game controls I have all the 3D assets for this game (files below), so i'm looking forward to working on this small game together. I'm hoping to get this done by the end of today or tomorrow morning since it is a tight deadline.

I'm in need of a Java developer who can promptly handle the addition of new functionality to my existing system. Key Responsibilities: - Integrate new functionality into the system - Potentially debug code and maintain the system Skills and Experience Required: - Proficiency in Java programming - Proven experience with software development - Strong understanding of system maintenance and debugging This is a time-sensitive project, so I need someone who can start right away and work efficiently to complete the task. Any experience with user authentication, payment processing, and file uploading will be a plus, even though specific details on the new functionality to be added are not yet provided.