Building multi tenant office model trabalhos

I'm looking for a talented web developer to help me create an e-commerce website for my multi-product business. Key Requirements: - The site should be designed to showcase and sell a variety of products including clothing, electronics, and accessories. - The website should be able to handle and display between 50 to 100 products. - Critical features include a fully-functional shopping cart (Cesta de compras) and a product rating system (Sistema de valoración de productos). Ideal Skills: - Proficiency in e-commerce website development - Experience with multi-product websites - Knowledge of how to integrate and customize shopping cart functionality - Ability to implement and customize a product rating system Please include samples of previous e-commerce project...

...Automated Valuation Model (AVM) to predict residential real-estate prices in Butte County, CA. The key features I expect in this model include: - Accurate prediction of residential real-estate prices - Analysis of historical data to inform future predictions - Provision of precise estimates for the identified properties - Use AI (GPT-Vision, Claude Opus, etc...) to analyze listing images and derive more feature data about the listing for the model The ideal candidate will have access to and expertise in utilizing the following data sources for training the model: - Public real estate data - MLS listings - Home sale records - Census data Development should primarily be done in R, and the open source model provided at this link () could...

I urgently need experienced video creators to craft engaging and concise product demonstration and testimonial videos for my ecommerce website. - Your tasks include creating clear and attractive product demonstration videos that are less than a minute long, highlighting key features ...authentic and convincing testimonial videos, also under a minute, are necessary to act as social proof and increase potential customer trust. Individuals applying for this job should ideally possess: - Knowledge in ecommerce and high-level skills in videography. - Efficiency and speed as the job has a tight deadline. - Creativity to make the videos engaging and unique. If you're avid about building brand perception and establishing trust through videos, then you're the freelanc...

Seeking an artist to create a female manga character in a style reminiscent of Chrono Crusade's Rosette (for face). See the "Art_Request" attachment for example of what I want to receive for this request. I only need a front, back and side. Intention is to make a 3D model from this 2D art. I will be making the 3D model, just need the 2D manga art. No color. Just black and white inked drawing just like traditional manga. Female character 23 years old Outfit should be the same as shown in attached files Hair should be the same as shown in attached files

I am Building AWX Server on AWS EC2 Here is the method I am using: So far, I have: I have already Created an EC2 instance for this server. Cloned the AWX Repo, I have completed all installations required (installed Docker, Docker-Compose, I have used pipx to install the Ansible package) I need help with the rest of the instructions from that link. I am building this server in VS Code Ideal skills for the job include strong understanding of AWS, proficiency in AWX tasks and familiarity with Ubuntu server.

I'm looking for an experienced architectural designer to help me create a sketch for a commercial building, specifically a gas station. This sketch is intended for a general plan, including important areas such as receipt areas, office spaces, and conference rooms. Ideal Candidates: - Experience in architectural design, particularly commercial buildings. - Good communication throughout the project. - Efficient and attention to detail. - Proficiency in related software. Please include related work samples in your proposals.

I need a React developer to build a frontend for a Student Management System. Key...Admin User Features: - Access Control: The admin user should have the ability to control user access and manage permissions. - Reports Generation: The system should be able to generate exam scheduling reports. I will provide you with the Swaggy API list for this project. The deadline for this project is Saturday night. Ideal skills and experience: - Proficiency in React - Previous experience in building CRUD applications - Understanding of user access control and reporting functionalities - Ability to work with provided APIs - Deadline-oriented with excellent communication. If you're confident in your React skills, have experience in similar projects, and can meet the deadline, I'd li...

I'm in need of a skilled Python coder to assist me in deploying Locally Hosted Language Model (LLM) applications. Here are the details: - **Operating System**: The deployment is hybrid, so familiarity with Windows, macOS, and Linux is ideal. - **Purpose**: The primary aim of the deployment is for text ebedding (vector db) and generation. - **Requirements**: Specifically, I'm looking for functionality related to Language modeling and retrieval augment generation in the LLM applications. - mongoDB should be set up runining a .sh file - docker-compose deploy of the app Essential skills for this project include a strong background in Python programming and experience with deploying applications on different operating systems. Previous work in natural language processing (NL...

I'm seeking a telemarketing professional to assist me in generating quality sales leads for my commercial building cleaning services. Key Responsibilities: - Conducting outbound calls to businesses within the commercial building cleaning services sector - Establishing rapport with potential leads and effectively communicating the value of our services - Qualifying leads and setting up appointments for our sales team Ideal Skills and Experience: - Proven experience in telemarketing and lead generation, particularly in the B2B space - Excellent communication and negotiation skills - Familiarity with the commercial cleaning industry would be an advantage - Ability to work towards targets and manage a CRM sales pipeline This project is vital for our business growth and ...

Confirmis () is a Singapore-based business information provider specializing in connecting businesses with global capabilities; comprised of industry veterans, Confirmis business model is designed to overcome perennial lack of data (let alone quality data) to support effective decision making, particularly in developing economies. As a Site Verifier, you will be responsible for verifying a company’s existence through visual data by conducting a site visit to ensure that we provide reliable and accurate information to our client. JOB DESCRIPTION: • Conduct basic verification with the subject company’s authorized representative, such as line of business, key executives' name, etc. • Take pictures of the subject company and its vicinity, as per Confirmis&...

I'm looking for a proficient professional who can effectively scrape leads from LinkedIn, Facebook, and Instagram and all over the internet Key responsibilities: * Extracting Email leads, Phone number leads, and Social media leads. * Collecting specific data - Name, Job title, Company, and Location, email and phone numbers Ideal freelancers for this project should have: * Extensive experience in data scraping, especially on the platforms mentioned above. * Proficiency in data mining techniques and possessing advanced analytical skills. * Understanding of ethical data scraping practices. * Strong attention to detail - ensuring all data is accurate and up-to-date. * Proven track record of delivering quality leads in a short timeframe. Get in touch if you're up for the task. I ...

I'm looking to obtain contact information, specifically email addresses and physical addresses, of local jewellery shops from multiple countries. This information will be primarily used for a marketing campaign. The ideal freelancer for this job should possess: - Proficiency in web research and data collection - Proven experience in lead generation - Knowledge about the jewellery shop industry. I'm particularly interested in local artisans, as opposed to high-end luxury shops or exclusively online retailers. Please apply if you are confident in gathering accurate and quality data from various resources.

To integrate my Elmo alarm system with openHAB through bi-directional binding, I need a developer with openHAB and Elmo experience. The binding should be developed for E-connect, Elmo's cloud integration model. The features I'm after are: - Arm/Disarm functionality - Real-time status updates - Alarm event notifications - Sensing and sending sensor status to openHAB items. Anytime there's an event, status change, or a sensor goes on/off, I need the binding to provide immediate updates. Your skills in openHAB binding, Java, and IoT integrations will be essential for this project. The same project is just written in python for homeassistant

...user-friendly design, with a clear focus on the products. - The primary goal of the site will be to facilitate online sales, so it's essential that the developer has experience in creating successful e-commerce platforms. - It's crucial that the site supports a shopping cart feature, enabling customers to add, remove, and manage their selected products easily. - Customer reviews play a significant role in building trust and credibility. The site must include a review system for customers to share their opinions on the products. - A secure and reliable payment gateway integration is essential. The developer should have prior experience with different payment methods and be able to ensure a safe transaction process for customers. - I plan to sell between 50-100 products o...

...second level there are two structures to support the air coolers, in each one there are 4 fans and they are made up of 15 columns working in a system of gantries with concentric braces. The information that the survey must contain is: Geometry, profiles, connections, gas pipes, equipment or elements that may present interference in case of reinforcement. The information must be presented in a 3D model, in Navisworks or Revit format, where all the survey information is located. The collection of information should be done with topography or scans. For geometric measurements of levels and lengths, an accuracy of 1cm is expected and for connections an accuracy of 1mm. I attach a photo of the site in .jpg Ideal candidates should have a proven track record in creating Revit model...

I am in need of an expert who can proficiently help me flatten specific curved surfaces of a 3D construction using Fusion. Key Requirements: - Experience in working with Fusion software is crucial. - The project involves simple curvature surfaces, so familiarity with 3D manipulation, specifically in flattening, is ideal. - Precision is a must as only specific sections of the 3D ...- Experience in working with Fusion software is crucial. - The project involves simple curvature surfaces, so familiarity with 3D manipulation, specifically in flattening, is ideal. - Precision is a must as only specific sections of the 3D construction need to be flattened, not the entire construction. Looking forward to working with someone who is meticulous and skilled at navigating Fusion's model...

I have collected the dataset in CSV format and now require an expert to develop a multi-class logistic regression model for me. Key requirements: - The dataset is ready and available in CSV format which can be used for the model. - You should have expertise in developing logistic regression models for multi-class classification. - Proficiency with Python is a must as I prefer the model to be developed using this language. Technical Requirements: Proficiency in Python and familiarity with libraries such as NumPy, Pandas, Keras, and TensorFlow. Knowledge of statistical learning, logistic regression, and gradient ascent optimization. Ability to write clear and concise documentation and well-commented code.

I'm looking for an innovative designer who can create a multi-step order form for my Food Delivery service. The form should include essential fields such as customer information, payment details, and order customisation options. Key responsibilities: - Designing a user-friendly multi-step order form - Including customer information, payment details, and order customisation options - Presenting order customisation options using dropdown menus and checkboxes Ideal skills for this project include: - Proficiency in UI/UX design - Experience with form design - Strong attention to detail - Ability to create a seamless user experience

I'm looking for someone to integrate an existing machine learning model into a Discord bot. The bot should cater to three main functionalities - sending daily race predictions, responding to user queries about race outcomes, and providing real-time race updates. Key Requirements: - Integrate an existing machine learning model into a Discord bot - Implement a feature to send daily race predictions on a specific channel - Develop a query system that effectively responds to user queries about race outcomes - Enable the bot to provide real-time race updates Your Skills: - Proficiency in machine learning model integration with Discord bots - Experience in developing chatbots, particularly for Discord - Knowledge of horse racing and related terminologies - Ability to...

...contacting couriers via Outlook, including sending inquiry emails and processing their responses. Automate Order Processing: Automatically generate an order form based on the selected courier's details, convert it to PDF, and send it to the courier for confirmation. Technical Requirements: Platform: Microsoft Excel and Outlook. Preferred Methodology: VBA for seamless integration with Microsoft Office suite. Other suggestions are welcome if they provide a better solution. Deliverables: Automated Excel Workbook: An Excel file with VBA scripts to automate data entry, courier selection, and order form generation (if chosen methodology). VBA scripts to automate sending and receiving emails via Outlook (if chosen methodology). Documentation: Detailed documentation on how the a...

I need a seasoned developer to convert my existing Swiftic app into a freestanding app that can be listed on the App Store, Google Play, and Amazon. The app is currently accessible via www.ecosmartecloud.com. Skills and Experience: - Proficiency in Swift programming language - Experience in converting existing apps to standalone apps for multiple platforms - Familiarity with submitting apps to App Store, Google Play, and Amazon - Knowledge of push notifications and user login/authentication systems The main purpose of this app is to provide a platform for communication. Key features I'd like to retain after the conversion are push notifications and user login/authentication. Please let me know your prior experience with similar projects, as well as any ideas or suggestions you hav...

I'm in need of a full stack developer with proficiency in JavaScript, Python, and PHP. The ideal candidate should be experienced in building web applications and software, and must be adept at working with both front and back-end technologies. I have want to deploy my website to live then we start customization

...for calls - calls to connect will vary day by day. Must be very responsive via messages. 3. You will manage the workload on your own time, set your own hours outside of key meetings which you need to attend. 4. Meet and complete all tasks on time with a high degree of quality. 5. Develop a sense of urgency must respond to all messages / calls immediately. 6. Understands how to prioritize and multi-task where appropriate. 7. Workload varies from week to week, need to be available to support as needed up to 30-40+ hour depending on the number of priorities for the week. In your bid, please include clearly and simply: 1. What free tools you will use to make calls in the US - there are many you can google and figure out. It must be working BEFORE you place your bid, and you ...

I need assistance with scheduling a single VFS appointment for the Armenian VFS office. A professional familiar with the process would be ideal. Previous experience scheduling VFS appointments is recommended.

I need a proficient grant writer who can assist in making grant applications for different sectors: Government, Foundations and Corporate. Although I've not identified specific opportunities or funding sources, I'm seeking funding for corporate software development. Here's what I'm looking for: - Previous experience in writing and sourcing grant opportunities - Proven success in securing funding in government, foundation or corporate sectors - Strong research skills - Excellent written communication skills - Familiarity with software development sector would be a bonus. The writer should identify which grants we fit with, and then chart out strategy for approval. This is an opportunity for someone who understands the complexity of crafting successful grant applicatio...

I'm looking for a skilled Ventuz expert to help me with editing a straightforward presentation. I provide all assets and detailed guide. You can do it by 1 ~ 2 hrs if you are a top tech. It's similar with MS office powerpoint. lol start with "ventuz"

... Key Features: - Comment Section: This is essential for fostering a community around the blog and promoting discussion. - Search Functionality: To allow readers to easily find specific content or topics of interest. - Social Media Integration: It's important that the site can be shared across various platforms to maximize reach and engagement. Ideal Skills: - Web Development: Proficiency in building websites from scratch and creating user-friendly interfaces. - SEO Optimization: Ability to ensure the site is easily discoverable through search engines. - UI/UX Design: Experience in making visually appealing and intuitive websites. - Social Media Integration: Understanding of how to seamlessly incorporate social media sharing and engagement features. - Responsive Design: Ens...

...designed and made for my motorbike. Attached are photos of some of the previous smaller parts we made, along with a bunch of photos of inspirational swingarm designs. Sadly my previous designer is away due illness and I would like to progress with the project ASAP. So far the current swingarm for the bike is welded and steel and has been 3D scanned and important planes and parts put into a 3D model. Ideally designer would have experience in designing parts to be capable for CNC, as that's how it will be produced. Also due to the nature of the project and requirement for additional measurements and reverse engineering, which I will be doing, this project is expected to have to be completed over a slower period of time, with me providing info when needed. I am also tot...

Requirement: experience in Node.js building applications and experience in migrating the monilithic application to microservices architecture applications. Experience in kafka for queuing. Experience in mongodb for database and angular for frontend. PS: This project is a very good opportunity for the developers who wants to learn development from scratch using modern micro service architecture This is a to support my job opportunity. Consultancies and companies please stay away. Need someone with good experience on NodeJs to help me understand my project, resolve blockers and provide constant feedback to improve myself.

I'm seeking a Python expert to develop a solution for a resource allocation problem that involves both the Knapsack Problem and linear programming (LP) models. Key Requirements: - This project is focused on resource allocation, so the main goal is to craft an algorithm that can efficiently solve the classic Knapsack Problem. - You will also be required to incorporate LP models in the solution to enhance the resource allocation process. Skills & Experience: - Proficient in Python for algorithmic problem-solving and have a solid understanding of optimization techniques. - Experience in working with LP models and understanding of how to apply them in real-world resource allocation problems. - Previous experience in developing command-line interfaces for solutions - as this project...

"Seeking experienced developers for an innovative AR-based social media and dating app called NEAR. We need: Flutter Developer: Build cross-platform front-end using Flutter Integrate AR components from Unity Implement user interfaces and interactions Firebase Dev...Integrate AR components from Unity Implement user interfaces and interactions Firebase Developer: Set up and manage Firebase for the app Implement Firebase Authentication, Cloud Firestore, Cloud Storage Integrate Firebase services with Node.js backend The app combines AR, social media, and dating aspects for Gen Z and millennials. Experience with cross-platform development, AR integration, and building scalable backends is a plus. Passionate developers interested in working on cutting-edge technologies are encour...

I'm seekin...location, preferred language, and availability. - Booking and Scheduling System: An efficient booking and scheduling system is required. This should allow users to select their preferred date and time for the service or event, receive confirmation and reminder notifications, and make payments online. Ideal Skills and Experience: - Proficiency in front and back-end development - Experience in building user-friendly interfaces for seamless user experiences - Strong knowledge of search and filter functionalities - Previous experience with booking and scheduling systems, and integrating online payment gateways I'm looking for a freelancer who can execute this project efficiently and with a high standard of quality. Please include relevant samples of previous wo...

For our upcoming company video, we need a proficient videographer who can come to our office to record an interview in a Studio interview-style. Key Requirements: - Capture the footage onsite at our office - Expertise in Studio interview-style videography - To bring lighting and backdrop elements Ideal Skills: - Excellent videography skills - Good knowledge in studio lighting techniques - Strong editing abilities We look forward to having a videographer with a good eye for detail and creativity to work with us on this project.

...sendMessageToClaudeChatbot(message) { this.Claude_question = "Claude Question"; const anthropic = new Anthropic({ apiKey: process.env.CLAUDE_COLAB, }); (anthropic); const anthropic_message = await ({ // mode: "no-cors", max_tokens: 1024, messages: [{ role: "user", content: "Hello, Claude" }], model: "claude-3-opus-20240229", }); this.Claude_answer = ; (); try { const response = await ( this.Claude_question ); = ; } catch (error) { this.Claude_answer(error); ("Error sending message:"

...Please bid for this project if you believe you have the skills and experience needed to deliver a high-quality, efficient, and secure PHP page for our agents. Our customer sells products (not online, but in shop). He wants to receive orders from agents. I have an excel file containing the products that he wants to sell. The excel file has 5 columns: 1st columns is for Brand 2nd column is for Model 3rd column is for Color 4th column is for Price 5th colums is for Quantity in Stock We want to realize a simple php page with a form to send an email with the chosen products. We need that someone just fill the database wkth the data we have in excel file (about 350 lines) To access the page we need a login page. We need 2 levels: 1 level: administrator 2nd level: agents One ad...

...diagrams for an existing multi-family residential building. This is primarily for use in building permit applications. Specific information required includes: - Site measurements and dimensions - Existing floor plans - Proposed modifications (added as a follow-up project) Can you deliver precisely detailed SketchUp files for a multifamily residential building? Professionals with experience in providing documentation for successful commercial multifamily residential permit applications will be highly regarded. In addition to the floor plan (in attached file) there is a crawlspace underneath with the electrical and plumbing connections. The initial contract will be for (1) the building exterior (walls, walkways, windows, doors, roof, parking, and de...

...garage from 20'x20' to 20'x40'. - You will need to include an electrical layout in the drawings. - I am particularly interested in obtaining low-cost drawings that are still of high quality and acceptable to the authorities for permitting purposes. Your Expertise: - Proven experience in drafting and designing architectural drawings, particularly for garage extensions. - Familiarity with the building and permit regulations and requirements in Lombard, Illinois, or a willingness to research and ensure compliance. - An understanding of what is needed in an electrical layout for a garage space. I am looking for a freelancer who can efficiently and effectively provide me with the necessary drawings that will secure the required permit for the garage extension wh...

I am seeking an experienced 3D artist for an architectural visualization project. My project requires a 3D rendering of an exterior building design. Ideal Skills/Experience: - Proficient in 3D modeling and rendering software - Architectural exterior renderings experience - Ability to bring architectural design plans to life Please include relevant work samples in your proposal.

I am seeking a proficient course builder to design a fundamental, text and image-based online course. This will be self-hosted on my website. Key requirements: - Develop an engaging and informative course using text and images as main tools of delivery - Have extensive experience and expertise in creating online courses - Experience in...extensive experience and expertise in creating online courses - Experience in self-hosting online courses is a plus - Provide innovative ideas to make the course more attractive and compelling The perfect candidate will have a strong understanding of how to create effective, engaging text-and-image-based educational content and possess excellent skills in course design. Previous experience in building and hosting courses on a client's websit...

...experienced developer proficient in Node.js to create an online booking system for my hotel. Key Tasks: - Developing a booking system with easy-to-use interfaces for single rooms only. - Building an efficient room availability calendar. It is crucial for visitors to be able to easily check room availability and make immediate online reservations. Ideal Skills and Experiences: - Extensive experience in Node.js. Please provide proof of previous similar projects. - UI/UX design. The system should not only work efficiently but also be user-friendly and visually appealing. - Previous experience in building hotel reservation systems is a definite advantage. The goal is to streamline the process and increase my bookings. Please refer to the tasks and skills required and o...

I am in need of an experienced Bubble developer to create a customized CRM system specifically tailored for financial services and their freelancers. This system should be able to: - Track lea...essential for our team to stay organized and productive. Compatibility is also a key requirement for this project. I need the CRM system to be compatible with Windows and web browsers, ensuring that all team members can access and utilize the system regardless of their device. The ideal candidate for this project should have a strong background in Bubble development, with prior experience in building CRM systems. Experience in the financial services sector would be a plus. Your proposal should include examples of previous work, particularly CRM systems, and a clear plan of action for thi...

I'm in need of a skilled Z Brush expert to help with a specific intermediate-level sculpting project, which will be used for 3D printing. Key requirements include: - **Sculpting:** The task is pr...proficiency in Z Brush is essential. - **Complexity Level:** The project involves working on intermediate details and textures, so prior experience with intricate designs and textures is a significant advantage. - **Intended Use:** The sculpted model will be used for 3D printing. Understanding the specific requirements for this output is necessary. The ideal candidate should have a proven track record of similar Z Brush projects, particularly those involving intermediate-level sculpting for 3D printing. They should be able to translate intricate details into a 3D model suit...

I'm looking for an experienced professional capable of creating a stamp for commercial plans. This stamp will serve to verify compliance with building codes. Key requirements: - The stamp should reflect conformity with building codes. - Its primary application will be on commercial properties. Ideal candidate: Having a strong background in architectural drafting or similar fields would be a significant plus. Knowledge of commercial building regulations and codes is a must, as you need to understand the context where the stamp will be used.

I require the exp...expertise of a structural engineer specialized in residential buildings particularly with designing crawlspace foundation details. Your responsibilities will include: - Proposing an effective and fault-resistant structure for a crawlspace foundation. - Providing proper calculations and diagrams that clearly explain the detailed structure. - Consulting on the plan, making sure it aligns with local building codes and regulations. Ideal applicants are those with substantial experience in structural engineering specifically focusing on residential structures. A deeper understanding of crawlspace foundations is extremely beneficial. Proven track record with similar projects and strong communication skills are desired. Please share examples of your previous work when...

...understanding of responsive design - Proficiency in rectifying content display errors - Ability to ensure automatic updates on homepages. Overall, I need someone who knows WordPress, can adjust layouts, fix content display errors, and ensure automatic content updates on the homepage. Looking forward to your bids. When you open the site, in all formats it should look like the picture with At risk youth multi cultural family picture instead of just written content. Then, the humanitarian efforts update along with the other updates should show the most recent content about the march 2024 visit....

...setup and customization of a mobile application that is primarily designed for doctors. Key Tasks: - Setup the app for both Android and iOS platforms - Implement a new color scheme to enhance the app's aesthetic - Make necessary layout adjustments to improve user experience - Replace the current logo with a new one Ideal Skills & Experience: - Proficiency in Flutter with a proven track record of building and customizing apps for both Android and iOS - Strong design sense to ensure a seamless integration of the new color scheme - Experience with layout optimization for mobile apps - Previous logo design experience is a plus This project requires someone who can work efficiently and has a keen eye for detail to ensure that the modifications enhance the app's overal...

I require a straightforward, user-friendly spreadsheet that calculates energy savings based on specific input. My needs are very particular. Here are the key aspects: Input Specifications: - It should only take one input: an initial savings value representing the savings our product offers. Calculati...savings our product offers. Calculation Requirements: - I expect the spreadsheet to perform calculations for both percentage and dollar amount savings. Results Format: - The results should be shown as simple numbers; I don't need them displayed as percentages or any graphical representations. The freelancer fit for the task should be proficient in spreadsheet software and have experience in building similar savings calculators. A good understanding of energy savings would b...

Por favor, Cadastre-se ou Faça Login para ver os detalhes.

I am in need of a skilled SEO expert who can help me boost the organic traffic and overall search engine rankings of my WordPress website. The primary aim is to reach and engage an international audience effectively. Key Tasks: - Implement Off-page SEO strategies: The ideal candidate will be well-versed in building high-quality and relevant backlinks to improve the site's credibility and visibility. - Technical SEO Optimization: A complete understanding of site structure, mobile optimization best practices is essential for this project. Content Writing: - Article writing and content creation: The freelancer should be able to write SEO optimized articles and content for my site. Ideal Candidate: - Proven experience in SEO for WordPress websites - Familiarity with Off-page a...

We are in search of a skilled software integrator to help me integrate my personal deployment system with an IA/Chatgpt API. This project involves building and implementing a chatbot that's capable of: - Natural language processing: The chatbot should be able to understand and interpret human language, not just in a literal sense, but also in context. - Chatbot functionality: The chatbot should have the capacity to engage in meaningful conversations with users, along with the ability to learn and adapt over time. - Question and Answers: The chatbot should be able to provide answers to frequently asked questions and find relevant answers from PDF files content. Experience and Skills: - Strong understanding of natural language processing - Previous experience with developing ch...