...integration for my WooCommerce platform. This must encompass: * **Product Synchronization:** Automatically update product details from WooCommerce to Walmart Canada in real-time, including price, stock quantity, and product specifications. * **Inventory Management:** Ensuring no discrepancies between our WooCommerce store's inventory and Walmart Canada's inventory records. * **Order Fulfillment:** Enable efficient order processing and delivery management. * **Product Creation:** Automatic importation and creation of products from WooCommerce to Walmart Canada. The ideal freelancer would have strong experience in WooCommerce to Walmart integrations, API usage, and strong knowledge of both platforms' inventory systems. Excellence in automated product-synchronizati...
I'm needing assista...cryptocurrency integration. My current troubles include: - Errors when staking in my DAO: I'm experiencing an ongoing issue where an error is displayed during the staking process. You'd be tasked to troubleshoot and remedy this issue. - Specific Error: The transaction consistently fails, suggesting a problem in the process itself - not an insufficient balance or gas limit complications. - Enable BTC and ETH acceptance: The second part of the project involves making my DAO accept Bitcoin and Ethereum for my custom cryptocurrency. Ideal Candidates: - Experience in DAO staking & rectifying operational issues - Understanding of integrating Bitcoin & Ethereum with custom cryptocurrencies - Problem-solving approach, with a keen eye for i...
I need JavaScript integrated into my WordPress project to enable dynamic content loading and form validation. Design is finished, I just need the functionality. Quick job for experienced freelancer
Plongez dans le monde numérique avec un service de développement de sites web sur mesure qui transforme vos concepts en réalités en ligne ! Je suis un développeur web passionné, spécialisé dans la conception de solutions web uniques et adaptées à vos besoins. Fort d’une expertise pointue en HTML, CSS (notamment avec l’utilisation de WordPress), PH...personnalisées et des opérations sans faille. Conception Sur-Mesure : Création de designs uniques qui reflètent votre identité de marque et captivent votre public cible. Optimisation : Sites web conçus pour des performances optimales, avec un code propre et optimisé pour les moteurs de recherche. Sécurit&eacu...
I need a React Native developer to assist in updating ...Firebase and Expo. - Previous experience with ad implementation and Expo is a plus. The scope of work includes: 1. **UI additions**: - Implement a short user input form (fields and values are defined) - Integrate a splash screen (will be provided) - Add a date filter functionality to an existing listing screen. 2. **Backend minor modification**: - Add a switch param in Firebase implemented to enable the enablement/disablement of ads. 3. **An hour call to help me run the app locally for testing** Note that the project is documented, for a quick start. Kindly bid only if you've proven successful in similar projects and can provide examples of your previous work. Please provide an hourly rate for long-term support as we...
looking for java script expert for the JavaScript Macro Development to sheet automation the task is - - Writing a JavaScript macro to duplicate the last visible sheet within a file and providing it with a new name as a part of an automated procedure. - Once duplicated and renamed, the new sheet should be moved to a specific locat...Writing a JavaScript macro to duplicate the last visible sheet within a file and providing it with a new name as a part of an automated procedure. - Once duplicated and renamed, the new sheet should be moved to a specific location inside the file. - Modifying the contents of the copied sheet as necessary. - Implementing a notification function once the procedure is completed successfully. - Adding protection to specific cells within the sheet. more deta...
...app that enables sound recording. - A user dashboard allowing browsing of previous recording sessions. Special Features: - The capability to playback recorded sound. - On-dashboard search bar for easy access to recordings. - Each page will contain ( recording, transcript of the recording, summary of the transcript, showing deadlines in another box, integrate the deadlines into google calendar) - Enable sorting of recordings based on date or duration. - Download or share functionality for each individual recording. Ideal experience includes previous work on similar projects, a strong understanding of the required programming languages and database management. I have an urgent timeline and need this project completed ASAP. Reliability, quick communication, and diligent work ethic...
I am looking for an expert web developer to implement a smooth and streamlined login process for my e-commerce website. Currently, users need to e...involves removing the OTP factor to ensure a smooth customer experience, enhance user interaction, and make my website more user-friendly. Ideal Skills and Qualities include: - Proficiency in website development and security - Prior experience in developing OTP-free login systems - A thorough understanding of e-commerce websites - Good understanding of online security measures ensuring data protection during the streamlined login process. Please consider that while I need the login to be more streamlined, I am uncompromising on the security aspect, and will require proposed plans for maintaining strict security measures withou...
I would like to an experienced individual who could creat an application that enable users/customers to place an order of healthy food from locals restaurants that serve healthy food
I'm currently seeking a skilled professional with substantial experience in network configuration, specifically on wired networks. This project largely revolves around setting up a wired network to enable seamless internet access. Key responsibilities: - Design and implement a robust network - Ensure uninterrupted internet access across the network Ideal skills Ebgp IBgp Speed test server Dual stack ipv4 ipv6 Mstp configuration Olt. Per user separate vlan Some minor performance tuning as per expertise
Referrence I need a talented developer to create user registration and authentication using Metamask or the likes using and PHP script. It should mirror the functionalities found in the link provided, specifically designed for my website's...blockchain technology. Additional features to be integrated: - User profile management. - Account balance display. - Transaction history. Ideal skills and experience: - Strong experience in website access control. - Extensive knowledge of and PHP script. - Familiarity with Metamask or similar systems. - A solid understanding of blockchain technology. - A keen eye for security and data protection. I need this project to be completed ASAP. Please place your bids now.
i want to make a headless synthesizer with my ARM board (similar to raspberry pi) the synthesizer will receive commands from usb midi keyboard and play some sounds i want to use soundfonts (fluidsynth) for the instruments for the effects i want to use LV2 plugins the effects are controlled by knobs on the midi controller i want to run only from commandline (no xwindows).. . everything should be controlled by python. can you help me with - the setup - the choice of the right components - making the python program pls tell me about your experience with linux synthesizers in the offer
I'm seeking a skilled app developer to create a delivery application for both iOS and Android platforms. This app must produce a unique code upon each delivery and possess a few essential features including: - Real-time tracking - to track deliveries accurately and immediately - In-app messaging - for prompt and easy communication - Rating and review system - to enable feedback and improve our delivery service. The project demands experience in integrating third-party services or APIs. Therefore, your previous experience with such integrations will be greatly beneficial. A comprehensive understanding of both platforms (iOS and Android) is vital, as well as the skill to design a user-friendly and efficient interface. Please provide examples of similar apps you've deve...
...More can be found here... For the purpose of my project, I am looking to integrate transaction data through an API connection. The primary goal is to enhance functionality and streamline operations. Here’s what the successful freelancer will need to address: - The API will be integrated with a proprietary platform handling race results. - The primary task would be to enable the reliable transfer of transaction data. - I seek someone with extensive experience in API configuration and management, especially with similar platforms. Required Skills and Experience: - Proficient in APIs for data integration - Prior experience with platforms associated with race results - Solid understanding of transaction data handling. Run Sign Up says an experienced API developer can
I'm looking for a proficient Flutter app developer who can help build an app with specific features. The requirements are as follows: - Implement user authentication and registration. - Enable in-app messaging. - Set up push notifications. -Connecting APIs This application should be compatible with both iOS and Android platforms. In terms of design, a minimalistic aesthetic is what I'm after. As a developer, you'll be expected to have a good understanding of these components, with evidence of prior work in these areas being greatly appreciated. An intuitive comprehension of user experience principles as they apply to app design is ideal, especially regarding minimalist design principles.
Project description: Solution needed for data acquisition and visualisation. The data has to be collected from a se...time and "y" axis being the value read. The distinct points should be connected on the graph with a straight line. The time delay between measurements should be as little as practically possible. Available hardware for the task: - "node mcu ESP32s3", or "Panlee WT32 SC-01 plus" the latter has built in RS485. - Nvidia jetson nano - Raspberry Pi - Ordinary PC with a USB to RS485 converter. Software requirements: - the project can be completed on any platform as long as it satisfies the requirements set in the description. - suggested languages to use are Python with visualization librar...
...systems. Main functionalities should include: 1. Screen Recording: The application should initiate recording through mouse clicks. The recording should be smooth and quality should be maintained. 2. Zoom Feature: The key feature I am interested in is the ability to automatically zoom in on the video after recording, using mouse and keyboard inputs. During recording, there should be an option to enable a live zoom button if necessary. 3. Licensed Use: I want only licensed personnel to have the ability to use this application. Furthermore, it should be designed in a way that only licensed users can export the recorded files. The ideal freelancer for this project will have an extensive background in software development, particularly with screen recording and zoom features. Exp...
...Co-Browse version ii) Integrate Genesys Co browse to Kafka for it to send the Co-Browse Reporting Event to Kafka iii) Integrate Infomart to Kafka for it to extract data from the Kafka data stream and transforms it into the COBROWSE_FACTtable iv) To ensure / enable RAA to summarize and organizes the Info Martdata in ways that enable GI2 to extract meaning. v) To support required Custom Report template based on available reporting data field and ensure the required Co-browse reporting data appear in the GI2 Custome Report. vi) To ensure / enable GI2 uses the aggregated data in the Info Mart database to produce Co-browse reports. The ultimate goal of this integration is to achieve and maintain real-time data streaming. The freelancer should possess an in-depth underst...
...MVP Implementation: HTML Structure: Minimalistic HTML structure focusing on essential components. Include necessary elements for navigation, filtering, and displaying Projects and tasks. CSS Styling: Use basic CSS styling to ensure readability and visual appeal. Focus on responsiveness and consistency across different screen sizes. JavaScript (): Implement basic JavaScript functionality to enable filtering of projects and tasks. Use event listeners to handle user interactions, such as clicking on filter items. Integration with jQuery: Utilize jQuery for simplified DOM manipulation and event handling. Enhance user experience by leveraging jQuery's features. 3. MVP Functionality: Navigation: Users can navigate to the "Home" section by clicking on the logo or the &quo...
...Co-Browse version ii) Integrate Genesys Co browse to Kafka for it to send the Co-Browse Reporting Event to Kafka iii) Integrate Infomart to Kafka for it to extract data from the Kafka data stream and transforms it into the COBROWSE_FACTtable iv) To ensure / enable RAA to summarize and organizes the Info Martdata in ways that enable GI2 to extract meaning. v) To support required Custom Report template based on available reporting data field and ensure the required Co-browse reporting data appear in the GI2 Custome Report. vi) To ensure / enable GI2 uses the aggregated data in the Info Mart database to produce Co-browse reports. The ultimate goal of this integration is to achieve and maintain real-time data streaming. The freelancer should possess an in-depth underst...
I require an experienced programmer with strong knowledge in USB dongles and Windows operating systems. The freelancer will need to provide a driver solution which avoids the need for deactivation of core isolation. While the security details have not been outlined, it is essential to assume a high level of security measures in the course of your work. Desired Skills & Experience: • In-depth Windows operating system know-how. • Highly proficient in coding and software configuration for USB dongles. • Understanding of Windows security protocols will be beneficial. • Proven background in delivering secure and effective driver solutions. Rest assured, your expertise and attention to detail would be much appreciated on this project.
...real-time. - Gather user feedback through surveys, reviews, and support tickets to identify areas for further enhancement." 5 Top up Balance "*Diverse Payment Options*: -Local bank option (manaul) -Paypal option (Auto and manual) -crypto Binance (auto & manaul) -Visa -Alipay - Integrate multiple payment gateways for flexibility, including local bank transfers, PayPal, and popular cryptocurrencies. - Enable seamless automatic payment processing while offering manual verification options for added security. - Implement recurring billing options for subscription-based services, ensuring a smooth payment experience for users. -Push notification, announcement to user" 6 Buy Number "1/ Promotion country and service that popup select service by setting up in a...
More details: Which personal settings would you like to hide for users, except the admin, in NextCloud? Please only quote if you are competent in modifying NEXTCLOUD the settings option when you click on the user icon, but being able to enable it for certain users What information should successful freelancers include in their application? Past work Do you want to give certain users permission to see their settings while it's hidden for others? I want to manually control who sees what
I require a meticulous professional specializing in security testing for web applications built on Angular JS. This project focuses on web application security assessments, particularly in scrutinizing user authentication, data protection, and server-side security. Ideal candidates present notable experience in Javascript environments and have a proven knack for pinpointing vulnerabilities and potential intrusion points. Sound knowledge of modern pentration testing methods is crucial.
USB-Dongle-Treiber-Programmierung bzw. -Umprogrammierung für Windows inklusive Windows 11 zur Vermeidung von derzeit erforderlicher Deaktivierung der Kernisolierung bzw. Kernisolation
...programming languages. - Ability to read and understand electronic schematics. - Be ready to deal with hardware. - Be striving for self-education and self-organization. - Have good English verbal and written skills (B2/Upper-Intermediate). Qualifications: - Embedded Linux - Multithreading/multiprocessing - ESP32 MCU development - Web protocols (MQTT, WebSocket) - Low-level protocols (UART, I2C, USB) - Wireless protocols (BLE) - Cloud services (AWS) - Electronic schematics and PCB design - Hardware bring up and debug If you believe that your skills and expertise align with the requirements of this position, please send us your CV. Additionally, if you have a portfolio or examples of previous work, we would be interested in seeing them. We are eager to assess your qualifications ...
I'm in need of an experienced app developer who can create a supply chain management app for both iOS and Android platforms. Key Features: - Inventory Management: Enable users to maintain an efficient and accurate system for monitoring and managing inventory levels. - Supplier Management: This feature will allow users to manage information about suppliers and keep track of transactions. - Vehicle Movement: This should keep track of the logistics aspect of the supply chain - tracking of vehicle movements for delivery. - Quality Updates: Quality control is crucial in any supply chain. This feature should give real-time updates on product quality status. - Invoicing: The app should also include an automated system for generating and managing invoices. Ideal Skills: - Proficie...
As the project owner, I'm looking forward to collaborating with an experienced website designer who can help materialize my vision for an E-commerce store. The primary purpose of this online store is to faciliate the sale of physical products. Key Requirements: - Inventory Tracking: An integral part of this project in...crafting such solutions could be a perfect fit. - Customer Review System: Another important feature of my store would be a customer review system. Candidates experienced in developing intuitive and user-friendly review platforms would be preferable. It's imperative that you're capable of developing functionalities aligned with my E-commerce objectives. Your proven expertise in these areas would enable me to trust your work and anticipate a succe...
...script to connect to the API, retrieve historical gold price data, and store it in a structured format - Implement graphing functionality to visualise the historical price data - Incorporate simple mathematical equations for basic analysis (calculating averages, averages excluding certain years, etc.) - There’s 6 different - Overlay current year’s data and the averaged data on the same x axis. - Enable exporting of graphs in PNG format and logical naming convention If you possess the necessary skills and can meet these requirements, please submit your proposal detailing estimated timeline, and cost. Please allow for a 5-10 minute phone/video call to go through the project requirements and familiarise ourselves. This is a research task and the speed to write this co...
I'm in need of an experienced Android developer to help create an app for my online business. The application should include the following features: - User registration and profile management: This will allow users to create and manage their profiles on the app. - Product listing and purchase: This functionality will enable users to view different products, read descriptions and make purchases right from the app. - Chat support: A system that allows customers to instantly reach out and communicate with customer service for inquiries or issues. The ideal candidate should have strong experience in Android development, particularly in building e-commerce apps. Familiarity with chat support integration and profile management systems is also essential. Please note, it is curre...
...a single platform. 2. **Customization:** Customize orders according to customer preferences, with multilingual menus and invoices, and offline mode capability. 3. **Cross-Platform Compatibility:** The system should run smoothly on web browsers, Android, and iOS devices for maximum accessibility. 4. **Table Management:** Effortlessly manage table layouts, take orders directly on tablets, and enable tableside payments for efficient dine-in service. 5. **Analytics & Reporting:** Provide real-time insights into the restaurant's performance through a live dashboard, with customizable reporting options. 6. **Order Integration:** Integrate with leading food ordering platforms for streamlined menu management and order fulfillment. 7. **Inventory Management:** Manage invent...
I need to design a web interface which can communicate with a USB using a micro:bit microcontroller. Web interface can be made using Java, HTML and CSS. Please apply if you have the required expertise. No teams or companies please.
...programming languages. - Ability to read and understand electronic schematics. - Be ready to deal with hardware. - Be striving for self-education and self-organization. - Have good English verbal and written skills (B2/Upper-Intermediate). Qualifications - Embedded Linux - Multithreading/multiprocessing - ESP32 MCU development - Web protocols (MQTT, WebSocket) - Low-level protocols (UART, I2C, USB) - Wireless protocols (BLE) - Cloud services (AWS) - Electronic schematics and PCB design - Hardware bring up and debug If you believe that your skills and expertise align with the requirements of this position, please send us your CV for review. Additionally, if you have a portfolio or examples of previous work, we would be interested in seeing them. We are eager to assess your quali...
I'm gearing up to secure comprehensive security-related certifications for my AWS infrastructure, with a specific focus on CSA, ISO27001, and SOC2. Objectives: - Data protection - Robust access control - Develop a project-specific Statement of Work (SOW) EC2 Content - Webserver: - Apache2, php8. phpmailer JavaScript - Database: - local mariadb or Planetscale - port open:- 22, 80 & 443. SSH, closed to public, will be using AWS generate pem whensetup There will be 6-10 pages, for events simple PHP/JScript registration pages and management portal pages which will be written by my in-house team. I would like to use outside to setup AWS Security, and there will 3rd party aduit. My client is a Hong Kong Govt found company, they will need to follow HK Govt IT standard guild ...
I'm currently seeking a professional, highly experienced patent lawyer to assist me with an innovative Concept Application Patent. Your role will be to provide me with expert counsel on obtaining a patent that will ensure the protection of my innovative concept. Skills and Experience: • Proven track record in successfully obtaining application patents • Deep understanding of patent laws and regulations • Specialized knowledge in innovative concepts • Great attention to detail Tasks Include: • Conduct an efficient patent search • Draft applications for patents • Respond to patent office actions • Assist in patent infringement • Provide advice on patentability Time Constraint: There is no specific deadline for the project's co...
We are seeking a talented and innovative freelance developer to create a state-of-the-art toolkit designed to empower property owners. This toolkit will enable them to digitally explore and showcase their properties with ease, without the need for any coding knowledge. Our goal is to simplify the digital transition for retail users, making it accessible for them to enhance their online presence through a conversational and user-friendly interface. Key Features: Conversational Teegram Bot Interface: Users should be able to interact with a bot that guides them through the process of creating digital content for their properties, including websites and social media posts. Website Creation: The toolkit will include features for users to create websites for their properties through si...
...research grants and funding programs. 6. Collaboration spaces for real-time interaction, knowledge sharing, and project collaboration. 7. Virtual Labs: Virtual laboratory environments for conducting experiments, simulations, and practical demonstrations in fields such as science, engineering, and healthcare. 8. Language Support: Multilingual support to cater to diverse user demographics and enable access to educational content in multiple languages. 9. Augmented Reality (AR) Integration: Integration of AR technology for immersive learning experiences, virtual field trips, and interactive 3D visualizations. 10. Personalized Learning Paths: AI-driven algorithms for recommending personalized learning paths, courses, and resources based on individual learning styles, preferences...
I'm looking for a developer to create an open API between Wallance POS and Ascora (job management software). This API should: - Enable real-time inventory updates - Synchronize sales data automatically - Allow for smooth communication between both software in real-time - Print receipts I particularly need someone with experience in Tyro integration for EFPOS payments. The system should also handle transaction failure notifications effectively. If you have done similar work before, I'd be more interested in working with you. Remember, the goal is to optimize my point of sale process, so I need someone ready to deliver accurate and efficient results.
I'm in need of a talented programmer who can enhance the security of my existing desktop software. Presently, there's a fear that the software could be cracked thereby compromising the handling of a crucial ...security protocols to prevent cracking. -Key Task: Successful applicants will provide an advanced security upgrade to our Exe-developed desktop software to prevent a potential breach. -Ideal Skills: Strong Exe programming language experience Proven track record in software security Familiarity with desktop software security needs The ideal candidate is skilled in the newest encryption and protection methods. Kindly provide examples of your previous work in securing Exe-based software from potential cracks. It's crucial you understand the sensitivity and impor...
I'm looking for an expert to build a Python application that can search and interact with web content, specifically product listings. The API should be smart enough to comb through vast sets of online data to find specific product listings quickly and efficiently. I need a complete developer who is capable of handling Java, Python, API, html, For the consumption of api and endpoint. More details to the correct developer Key Requirements: - Proficiency in Python and understanding of APIs - Expertise in web scraping and data extraction from web content - Knowledge in dealing with product listings from various sources - Implementing JavaScript functionality as needed - Quality assurance to ensure accurate and reliable search results This project demands a skilled developer wi...
I need an experienced Elementor and WordPress developer to help me recreate a current slider on my site within a 3 hour timeframe. Here’s what I am looking for: - Remove current PHP generated slider - Recreate the same design and content using Elementor - Enable autoplay function on the new slider - Ensure compatibility and attractive appearance on both mobile and desktop The ideal freelancer needs to have experience in WordPress, PHP coding and designing sliders using Elementor. A strong understanding of mobile and desktop design is also needed. You need to be able to complete the task within the set timeframe.
I have a progressive web app (PWA) in its final stages that needs to be packaged for both the App Store and Google Play. This app requires specific permissions, predominantly needing to send push notifications to users. Key Tasks: - Examine PWA for proper file structure for app stores - Package the already completed and tested PWA - Ensure compatibility with both iOS and Android platforms - Enable push notification functionalities Skills and Experience: - Strong knowledge of PWAs, their packaging and distribution process - Proficient in iOS and Android app submission guidelines - Familiarity with setting up push notification functionality for PWAs. Looking forward to your valuable bids and a successful collaboration.
I am seeking a reliable and experienced US IP lawyer specialized in trademark registration. As I plan to issue an Amazon takedown request, I need to first register a trademark for my physical product brand. At present, my brand is somewhat recognized among consumers but has no formal trademark protection. Interested practitioners must demonstrate previous successful experiences in trademark registration, preferably related to physical products. Knowledge of Amazon's brand protection policies and takedown procedures will be a significant edge. Your involvement will not just stop at the registration process but should extend to assisting in the Amazon takedown request. Ideal Skills: - Trademark Law - Intellectual Property Law - Experience with Amazon Takedown Requests - ...
I'm seeking a...markets. Key Features Needed: - Real-time market data: The app should display live crypto prices and market trends. - Portfolio tracking: Users should be able to monitor their portfolio in real-time. - Buy/sell orders: Functionality to seamlessly place and manage multiple order types is a must. Trading Functionalities: - Spot trading: Make instant trades at current market price. - Margin trading: Enable users to amplify their trading results by borrowing money. - Futures trading: Allow users to trade futures contracts on crypto assets. - payment gateway (india ) A portfolio showing similar projects is highly preferred. This project requires a commitment to the highest standards of security, user-friendliness, and platform stability. I look forward to seeing ...
...to facilitate various functionalities. The website should allow employers to register, submit inquiries, and upload necessary documents or job demands. While employers use the portal to submit inquiries, CVs and profiles will be sent separately to them. Additionally, candidates should be able to upload their profiles, which can be assigned to subagents within the agency. The website should also enable the printing of candidate CVs with the agency logo and customization based on country and client requirements. Furthermore, the application process needs modification to incorporate advanced screening processes, including keyword matching and questionnaire-based assessments. Additionally, multilingual, printable, and user-friendly application forms must be designed. Key Features: ...
... Ensure the forms are secure, reliable, and GDPR-compliant for data collection. Newsletter Subscription Feature: Integrate a well-functioning newsletter subscription system on the website. Allow visitors to subscribe to our newsletter by providing their email address. Provide an option for users to opt-in to receive updates, promotions, and relevant information about our real estate services. Enable easy management of the subscriber list for future email marketing campaigns. Design and Branding: Maintain consistency with our brand identity throughout the website design. Use high-quality images, graphics, and fonts to enhance visual appeal. Ensure that the design reflects the professionalism and credibility of our real estate business. Freelancer Requirements: The ideal freelanc...
Looking to create a power supply with the primary use of charging devices. This will involve designing an AC-DC 5v USB 2.0 compliant power supply. The design must incorporate the following safety requirements: • Overcurrent protection • Short-circuit protection • Overtemperature protection The ideal candidate for this job will have experience in electronic design, specifically surrounding charging devices and safety measures. A sound knowledge of USB 2.0 standard and the forelisted safety considerations is a must.
I am seeking guidance on how to adjust USB camera properties including brightness, hue, and gamma programmatically, without requiring user intervention. Currently, I have designed a program that displays the camera stream and controls its properties, but it relies on a property menu(as shown in the images) that requires user input each time the application is launched. To streamline this process, I am seeking to programmatically set the properties as described earlier. To provide some context, I am utilizing the library, which currently controls camera control properties such as exposure, tilt, zoom, focus, and other related features. However, I am specifically in need of controlling video Processing amplifier properties. We are currently seeking a skilled C# developer
