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    2,000 ruby on rails developers for hire 份搜到的工作,货币单位为 USD

    <Overview> Please collect product information on vehicles or charging devices for vehicles that have or will have the technologies described in the “Technology Description” section below. <Technology Description> This technology relates to external charging technology for vehicles, specifically charges the on-board battery using power supplied from a charging cable outside the vehicle. From a safety perspective, when externally charging an onboard battery, external charging may be prohibited when the connection between the charging cable and the charging port is unlocked. However, this is not convenient because charging cannot be performed when the user forgets to put the device in the locked state or when the device is not in the locked...

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    ...seeking expert assistance to review the architecture of our Unity SDK and optimize its performance. This includes: 1. Reviewing and Enhancing GUI Elements: - I'm aiming for both performance optimization and functionality enhancement of the GUI elements built into our Unity game engine. Expertise in Unity user interface design will be highly valued. 2. Optimizing SDK Integration: - There's also a need to review and optimize how our SDK integrates into another Unity game. Therefore, having a deep understanding of Unity SDK integration is crucial. 3. Backend Configuration Review: - The backend, which runs on Go, will also need to be reviewed. As such, significant experience with Go and backend configuration is required. 4. Performance Optimiz...

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    We are looking for professional developers to design a new website for our car rental business. We need a fully responsive website that will rescale itself to preserve the user experience and look and feel across all devices with no irritating zooming, scrolling or resizing. The website can be WordPress or CMS PHP with up to 8 - 10 pages with the admin panel. The website needs to be clean and pass W3C standards. We need to integrate the booking system from third party to this new website. We need at least two mock-ups to review prior to the final design. We want very cost effective freelancer who understand the project scope and specifications. You should have good communication skills and update us frequently by email here in Freelancer. We have some more upcoming pr...

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    Web Developer Needed -- 2 已经结束 left

    I'm looking for a skilled web developer to design who poses skills in coding, user interface design and a strong understanding of website structures and functionalities a website for my business. Basic requirements: 1. Dual Language (English and Indonesia). We will provide matters in both languages. 2. Maximum low size Ideal Skills: - graphic design skills - Coding skills - User Interface design - Understanding of website structures I am looking for a simple design. web developers with expertise in contact forms, and experience in creating websites aimed at selling products or services, sharing information or news, or connecting with an audience will be given preference. Despite the vague project overview, I welcome all experienced web developers...

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    ...Tokens for a better and more secure user experience. Your understanding of JWT, particularly integration with mobile apps, should be deep and comprehensive. 2. **Token Features**: I require two specific features for JWT Authentication - refresh tokens and role-based access control. Implementing these features for a more structured user management is necessary. 3. **Token Information**: It's essential that the JWT tokens feature an expiration date. Your extensive knowledge in Wordpress plugin development, understanding of JWT and previous experience in developing similar plugins would be a significant advantage. The hired expert will deliver an efficient, modifiable, and scalable solution. I trust your professional input for further enhancements. Th...

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    We are looking for a highly experienced Magento 2 development team. We prefer a company with a proven track record, as the work will be for a corporate website. A couple of things to mention: - The developer should be able to resolve any and 99% of the errors thrown by Magento 2. - They should be capable of customizing email templates, as that is one of the tasks we have at hand. - They should know how to create custom payment modules, like a UPS module to auto calculate the shipping rate based on the postal code, etc. Strictly no outsourcing companies, please. We are looking for a reputable Magento development company that employs in-house developers. These are some of the tasks we have at hand, but there will be more projects and ad-hoc needs, since...

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    ...it clear, we would agree on your mock up before diving into coding The web app should take input from 1. Google sheet like the example. (connect & input data first, then rest of inputs) 2. Select colors for each quadrant (from-to gradient) 3. font size & color for quadrant and function 4. Colors and line thickness for circles, quadrant separator-lines and function separator-lines 5. Any other attributes that might have been missed (title, etc). It needs to be flexible The right freelancer for this job will: - Have proven experience in web app development and graph visualization. -excellent DESIGN skills to provide a visually pleasing output - Have a sound understanding of how to present data in a compelling, easy-to-understand way. - ...

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    Are you looking for a flexible opportunity with great earning potential? We have the perfect role for you! Role Summary: We are seeking an enthusiastic Australian native English speaker eager to learn and earn. While experience in marketing, client liaison, or web design is a bonus, it is not necessary as we provide comprehensive training. This role is straightforward and suitable for any level of experience. Key Tasks: - Contact prospects/leads via Facebook Messenger and text messages - Share brief 5-minute videos about our web development services with interested leads - Conduct 20-minute setup calls to onboard new clients - Facilitate communication between clients and our team of developers to ensure their needs are met Perks: - Work on your own ...

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    I need a polished and finished website for personal use. It should be professional, high-quality, and visually appealing. I'll be providing specific details regarding the layout, features, and overall design. Please note this is not a prototype or a mock-up, but a completed, operational website. Key qualifications for this job include: - Expertise in website development - Strong experience with UI/UX design - Excellent communication skills - Can finish within the agreed timeline Only serious and highly skilled developers should apply. Along with your bid, please provide samples of previously completed websites showcasing your web development and design expertise.

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    I am seeking a skilled Python developer for an immediate and urgent task, with a tight deadline of 12-24 hours. The project involves enhancing an existing Python script which is currently designed to convert JSON data from Amazon Connect contact flows into XML formatted for DrawIO diagrams. The script is functioning well but requires some specific enhancements to fully meet our needs. The requirements for these improvements are as follows: Implement switch/case diagram logic: This entails modifying the 'CompareElement' class in the script to generate switch case structures in the DrawIO diagram. The foundational code for element addition exists, but these elements need to be interconnected with arrows in the diagram for clarity. Process a set...

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    ...looking for a professional website designer and developer to create a website for a travel agency specializing in Emirates Airlines and managing reservations. The website should include a system for adding affiliate links related to travel, reservations, and hotels. The website's layout and content should be search engine-friendly with a professional and clean design. The domain name we will be using is (NET). The website should be supported by an affiliate system from Booking, Kiwi, TripAdvisor, etc. Please use your preferred programming language or content management system, provided that it is well-known and popular among developers. Budget: $2500 - $4000 Timeline: 60 - 90 days Please submit your proposal along with your previous work. We will ...

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    ...customization for the forms is of utmost importance for this project. My business demands inclusion of features such as conditional logic and custom fields for better user experiences and data collection. Ideal candidates for this project will have experience in software development, specifically in creating form building programs. A robust understanding of database management, system integration, and a keen eye for software customization is essential. Knowledge in creating interactive GUIs would also be a great asset. I'm looking forward to working with skilled developers, ready to deliver high-quality software that suits my needs. I have created a form (which is likely to be the most complicated they will get in online software called ...

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    I am looking for skilled WordPress developers to help me create an exceptional template for my business website. The key goal of my site is to generate leads and sales, so your design and development strategy should align to enhancing these objectives. Key Features Required: - Incorporating contact forms that are easily accessible and user-friendly. This will make it easier for potential leads to reach out and for us to capture information. - Integrating product/service showcases. This component is crucial to highlight what we offer, and it should be designed attractively and intuitively to inspire conversions. Skills and Experience Required: 1. Proven experience in designing and developing WordPress templates, especially for business websites...

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    I am looking for app developers who can incorporate the ability to both read and write to a Mifare Desfire EV1 card. In detail, here are the key requirements: 1. Android App: - Design and build an Android app that can interact with the Mifare Desfire EV1 card - Capable of reading and writing Authentication data to and from the card 2. IOS App: - Create an IOS app that can read this Authentication data from the same card Our main goal is to use this Authentication data for user login/authentication for internal use. The successful freelancer should have skills and experience in Android development, IOS development, and working with Mifare Desfire EV1 cards, preferably with Taplinx. Knowledge in data security is a must. Ensuring privacy and securit...

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    I am looking for an experienced software developer proficient in C++ for an exciting desktop application development project. This initiative requires deep understanding in creating a desktop application that can run on both Windows and Linux operating systems, so having prior experience with these would be essential. Key Requirements: - Key Generation for several applications on Windows and Linux - dongle key emulator - Development of a C++ desktop application. - Ensuring that the developed app can run on both Windows and Linux platforms. Ideal Skills and Experience: - Comprehensive knowledge and experience in C++ programming language. - Proficient in desktop application development. - Previous experience in working with both Windows and L...

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    First, I need help creating a custom add-to-cart dropdown popup with its functionality. The popup ui already has been built. I want this add-to-cart to resemble the functionality, ease of use and feel of () when you add a p...resemble the functionality, ease of use and feel of () when you add a product to their cart. They have the PayPal, Stripe switch button up top, as well as an upgrade to full access pass link below. Also, when adding multiple items to their cart, on the left of their cart dropdown they have a fixed scroll bar, so you can scroll through the products you've added into your cart. I think this is very nice. Also, when you hover over the product you can easily remove it from your cart. Only for experienced developers for this job.

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    ...freelancer to implement an iBGP configuration on my pfSense router. This task is of utmost urgency and requires immediate attention. The requirements for this project are as follows: * Proficient in iBGP configuration: You must be able to configure iBGP effectively and efficiently. I should note that you'll be doing so over a GRE tunnel using pfSense. * Familiar with Router Platform: You should have a strong knowledge of the pfSense platform in order to execute this task properly and hassle-free. * Quick Turnaround: I need this project to be completed as soon as possible, hence a freelancer who's available to commence work immediately would be preferred. Experience in network administration and managing router configurations will be a plus for this proj...

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    I'm in need of a Squarespace specialist who can quickly and efficiently put my strip acount works on my website's payment page. Key Requirements: - Set up the payment page to accept Credit cards and Apple Pay. - A sound working knowledge of Stripe, as I already have a payment gateway and squarspaces is saying that it is connected to my website. Skills and Experience: - Proficient with Squarespace and its functionalities. - Prior experience in integrating payment options onto a website. - Experience with Stripe is essential. This is a small job, but quality work will be remembered for future projects related to website improvements and updates.

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    I need a tech-savvy individual to help me set up and optimize my website on and Society6.com. There's a good number of floral designs already showcased but not completely set up. Let me break down the tasks you'll be handling: 1. **Navigation Menu Creation:** Guide customers by creating a clear and user-friendly navigation menu. 2. **Optimizing Design Display:** Boost visibility and the aesthetic appeal of my floral designs to attract more customers. 3. **Writing Product Descriptions:** Create new, compelling and informative descriptions for each design. The ideal freelancer for this job will have solid experience in website setup, SEO, UI/UX design, and product description writing. Cheers to a higher sales conversion rate.

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    I'm seeking experienced developers to design a dashboard type website. The key feature of this website will be its data analytics capabilities. The website should be designed to compile data and present it in an informative and user-friendly manner. I require developers proficient in designing interactive and dynamic dashboards. Experience in working with data analysis tools will be beneficial for this project.

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    Mobile App Design -- 2 已经结束 left

    Project Overview: We're embarking on a project to develop an innovative platform designed to empower hosts worldwide, offering a seamless and intuitive experience for individuals to manage their rental properties effortlessly. As the hosts' version of leading rental management platforms, this application provides a user-friendly interface for hosts to showcase their properties, manage bookings, communicate with guests, and optimize their rental experiences. Project Scope: We're seeking a talented UI/UX designer to collaborate with our development team in crafting an engaging and intuitive interface for the platform. The selected designer will be responsible for creating visually appealing designs that prioritize usability and enhance the o...

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    Hi HIRE SEO EXPERTS, I noticed your profile and would like to offer you my project. We can discuss any details over chat.

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    I am seeking a skilled Python developer for an immediate and urgent task, with a tight deadline of 12-24 hours. The project involves enhancing an existing Python script which is currently designed to convert JSON data from Amazon Connect contact flows into XML formatted for DrawIO diagrams. The script is functioning well but requires some specific enhancements to fully meet our needs. The requirements for these improvements are as follows: Implement switch/case diagram logic: This entails modifying the 'CompareElement' class in the script to generate switch case structures in the DrawIO diagram. The foundational code for element addition exists, but these elements need to be interconnected with arrows in the diagram for clarity. Process a set...

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    ...seeking a knowledgeable Roblox developer to assist with a Hide & Seek game project. This game has a few specific features that need to be accurately implemented: - Emotes system: The game needs to support a variety of emotes for player communication and interaction. - Different game modes: The gameplay should be diverse and entertaining, incorporating various game modes. - General scripting functionality: To support the overall game mechanics and player experience. In your proposal, kindly include relevant examples from your past work. Though I'm open to developers of all experience levels, proof of your scripting ability would be beneficial. Helping me comprehend various elements of scripting and Roblox development is a crucial part of this project. It's n...

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    Ruby on Rails App Update 已经结束 left

    Looking for Rails assistance. Got a small app, with simple functionality. I'd like to update it to the most recent Ruby version, Rails version and all of the gems its using to be latest as well. Simple functionality is within the app, which will be required to be checked to make sure everything is still working. Start paragraph with railed2me as you read it all. Looking at a budget of $100-150, no more, no less. I've coded the app, so I know how much time it would take to update, no more then few hours. Please provide one or two samples of Rails apps you have built in the past to be considered.

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    ...looking for a Django developer who can take on an important development task. This project requires expertise in a number of areas. More precisely, you will need to: - Implement user authentication - Integrate a database - Develop a frontend - Create a web form using Django Additional Essential Features: The web form should be capable of performing numerous actions, specifically: - Selecting data - Inserting new data - Updating existing records - Deleting records Security is vital for this project. You will need to ensure that input validation measures are in place to prevent any potential exploitation or misuse of the system. If you are well-versed in AWS, this will be a significant advantage as the developed system will need to be deployed on...

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    Recruiting HR to help recruit Malaysian and Vietnamese program developers to work in Dubai

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    Excel expert 已经结束 left

    Looking for skilled Odoo developers to help build an effective Inventory Management system. Key system features needed: - Stock Level Tracking: The main function required is the ability to track the stock level consistently. Ideal Skills and Experience: - Proven ability in Odoo development. - Knowledge and application in Inventory Management. - Experience in setting up stock level tracking in past projects. Please note, clarity on the scale of stock monitoring is pending. Further details will be provided during the selection process. Freelancers who can adapt and adjust to changing requirements are preferred.

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    I'm looking for a skilled Flutter Developer to implement a new image swatch feature in my mobile app. I already have the design planned out, but I need an expert to turn this concept into a seamless, intuitive feature. Key Tasks: - Implement my image swatch design using Flutter - Ensure it delivers a seamless, intuitive user experience Although I've not specified the type of images to be used for the swatches or the exact behavior of the feature, I'll provide these details during our project discussion. Ideally, you've handled similar tasks in the past, so you can offer insights and suggestions during our discussion. Skills and Experience: - Advanced proficiency in Flutter development - Experience in image handling, particularly creating and implement...

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    I'm in need of an exce...elements to the site. Responsibilities: Collaborate with stakeholders to understand user needs and business objectives. Conduct research and analysis to inform design decisions and validate solutions. Develop wireframes, prototypes, and mockups to visualize and communicate design concepts. Design intuitive interfaces for web and mobile platforms, adhering to UX best practices. Iterate on designs based on feedback, testing results, and project requirements. Work closely with developers to implement designs and ensure consistency across platforms. I encourage applicants to show their past work in their responses. This is a fantastic opportunity to display just how you can transform a website with your design skills. I'm excite...

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    I'm in need of an Android application ...need of an Android application that can verify the validity of a list of phone numbers specifically for Android users. * Validation should be three-pronged: 1. Checking if the number is registered with Google Play Services. 2. Validating if the number has a Google account associated with it. 3. Confirming if the number holder has installed any Android apps. * The result of the validation should be displayed simply as "Valid" or "Invalid", for each checked phone number. Ideal professionals for this project will be Android developers with experience in Google Play Services API and complex validation rules. Familiarity with Google APIs will be a strong advantage. Communication skills fo...

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    I need photo editor 已经结束 left

    ...compatible with both Windows and Mac operating systems. While I have not mandated specific features, prospective developers are highly encouraged to incorporate their uniqueness and prowess in delivering exemplary performance. Creativity in terms of filters and effects, image manipulation capabilities like cropping and resizing, and text overlay features would definitely be a plus. Key Skills: - Proficiency in Adobe Photoshop - Genuine experience in software development, particularly applications compatible with multiple operating systems. - A comprehensive understanding of graphical user interface (GUI) design and image processing algorithms. - Creativity and a knack for delivering aesthetically pleasing and user-friendly designs. I'm expecting the project ...

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    ...thriving network of international schools seeking a dynamic Project Manager to lead the creation of its new website on a fixed-term contract. If you are a seasoned web project management professional with excellent communication skills and the ability to collaborate effectively within multidisciplinary teams, this opportunity is for you. Responsibilities include: Facilitating the progression of each project phase, from goal definition to implementation. Drafting requirements for the ToR (technical and functional) and producing various documents such as meeting materials, reports, and decision summaries. Collaborating with teams to define the project's terms of reference based on three key criteria: final product quality, budget, and deadlines. Drafting ...

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    ...integrations, specifically Facebook and Whatsapp. Key Project Requirements: - The major requirement for this project is the ability to import leads generated through Facebook Ads campaigns. - The import of these leads should be automated. - These imported leads will then need to be stored in a database. - I will need to send whatsapp messages to these leads. Also need bulk messaging with whatsapp. Ideal Skills and Expertise: - Proficient in Laravel and JavaScript - Experience with Facebook API such as managing and importing leads - Familiarity with database management and storing data. - Background knowledge in Social Media integrations (Facebook Ads, Whatsapp) is a definite advantage. Applying developers should prioritize effective lead management and understand the im...

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    I'm seeking a skilled developer to create an Insta reel editor app for Android. The core feature will be to transform small video clips into a captivating cinematic reel. Expected Functionality: - Capable of handling video clip duration of up to 30 seconds Essential Skills: - Android app development - Understanding of video editing software - Experience in developing video editing apps Developers should ideally have implemented similar projects in the past. Your bid should include examples of relevant work.

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    As the primary client, I'm looking for a proficient Android developer who can create a metric converter application. The core functionalities I intend to incorporate include: - User Authentication: Freelancers applying should have expertise in creating secure sign-in methods. - Push Notifications: The app should be able to send alerts and updates to users, therefore, experience with implementing push notifications is crucial. - In-app Purchases: The app will encompass certain premium features, purchasable by the users. Expertise in implementing secured transactional processes is hence necessary. The app is envisaged to support the conversion of various units including but not restricted to Length, Weight, and Temperature. Experience in creating a user-friendly UI which can ha...

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    Hi HIRE SEO EXPERTS, I noticed your profile and would like to offer you my project. We can discuss any details over chat.

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    I need experienced developers to collaboratively build an e-commerce website and matching iOS and Android application. Key Features Required: - A captivating product catalog - Integrated payment gateway Ideal Skills & Experience: - Extensive knowledge of iOS and Android development - Proven experience creating visually appealing and functional e-commerce websites - Demonstrated application of innovative solutions in digital development Interested freelancers, please demonstrate your expertise with portfolio examples of similar projects.

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    I'm looking for skilled flutter developers to assist in developing an e-commerce application. The target platforms are iOS and Android. Main features will include: - Product gallery: showcase the various products we have on offer in a clean and attractive manner. - Customer reviews: a feature for customers to leave and view reviews. - In-app purchases: allow customers to make purchases directly on the app. Ideal candidates should have: - Expert knowledge in Flutter. - Previous experience with e-commerce apps. - Understanding of both iOS and Android platforms. - Familiarity with implementing product galleries, customer reviews, and in-app purchases systems. Candidates who can show sample works of similar e-commerce applications built using Flutt...

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    I'm looking for an expert Flutter developer to create a state-of-the-art fitness mobile application for 2 different users. I need 2 different applications where 90% of the features are same. The core functionality of this app will be walking and running tracking, with a keen focus on calculating and recording step count. Ideal Experience: • Proven expertise in Flutter development, particularly for mobile applications. • Prior experience developing fitness apps or similar is highly preferable. • Familiarity with integrating step-count and movement tracking features. • Estimated timeline is 30 days and budget for the project is max 26,000 INR. Enthusiastic developers ready to produce inventive solutions, please apply...

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    ...logistics and delivery. We are trying to look for local survey researcher in Riyadh to conduct on-site driver surveys with local drivers, by doing competitor testing and translation of local feedbacks into English. Main Responsibilities - Help to place delivery order in various app and wait the driver come to do survey - Conduct questionnaires with local delivery drivers (15-20 questions) - Collate and translate questionnaires responses into English capability of the delivery players, pricing etc. - Provide insights obtained during field visits which are relevant to the research objective Key Requirements - Must based in Riyadh - Sufficient English skills: oral, written, and translation from local languages - Able to commit 3-5 days/per week, for 4 weeks - Sensib...

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    Hello everyone! We are looking for an updated database of monitoring and gps tracking service integrators in Latin America for an upcoming trade show in Mexico where our company will be participating. We need to get list of software development organizations in Mexico (tracking platforms) and gps monitoring integrators. Preferably, we would like the database to include contact information such as phone numbers, emails, etc. We are primarily focused on Mexico, but we are also interested in information from neighboring countries such as Belize, Honduras, Guatemala, and Nicaragua and South America. If anyone has access to such a database or can assist us in compiling one, we would like to know the relevance of the information and receive a corresponding price quote. W...

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    I'm in search of a seasoned developer with solid experience in Rust programming language to build a Solana blockchain ...must be adept in creating: - A sophisticated risk management system that can accurately detect and manage systematic risks. The following skill sets and experiences are ideal for accomplishing this project: - Familiarity with the Solana Blockchain and understanding of its underlying mechanisms. - Proficiency in Rust programming language: the Hyper Bot will be primarily developed in Rust. - Experience in developing risk management applications or systems. With these competencies, I am confident that you can facilitate the creation of an efficient Solana blockchain hyper bot. I look forward to hearing from developers who are ready to venture in s...

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    I'm on the lookout for someone who possesses an in-depth understanding and specialization in writing Request for Proposals (RFPs), particularly for projects involving graphic design, 3D animation, and Unity development. Skills and Experience Required: - Proven experience with writing RFPs for creative and tech projects - Understanding of graphic design, 3D animation and Unity development - Ability to communicate and understand project specifications clearly Responsibilities: - Write and prepare an effective RFP targeted towards graphic designers, 3D animators, and Unity developers - Develop a clear structure for the RFP. Note: While it's not mandatory, freelancers with past work and detailed project proposals would be given pre...

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    ...use a custom icon for push notifications. Technical Details: The project is built on the Android platform, utilizing Firebase Cloud Messaging for push notifications. The existing FCM integration is functional, and the focus is on the visual customization of notification elements. Skills Required: Proficiency in Android app development. Experience with Firebase Cloud Messaging (FCM) and push notifications. Knowledge of UI customization, including color, font size, and icon handling. Deliverables: Code modifications to enable title color and font size customization. Implementation of a feature allowing the use of a custom icon for push notifications. Documentation on how to use and customize these features in the future. Timeline and Communicat...

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    I'm in need of a seasoned solidity developer, who can provide a one-on-one session to amend our current contract efficiently. The developer must be willing to engage in a Freelancer call for further clarification. Key Tasks: - Expert assistance with adding and/or removing specific clauses Ideal Qualifications: - Solid knowledge and past experience working with smart contracts and contract modifications Timescales - Not more than 45 mins. This project requires a sharp understanding of smart contracts.

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    3d website developers 已经结束 left

    READ COMPLETE DESCRIPTION I am in need of a PAY PER PROJECT developer who can skillfully incorporate 3D models, animations, and interactive elements and make a 3d website using , webgl and no-node tools if possible. Highlights: - You would need to integrate 3D models and animations into the website in a way that captivates our audience. - The website will also house 3D interactive elements that would assist in providing robust and easily digestible information. Key Skills: - Experience in 3D modeling and animations. - Ability to integrate 3D interactive elements into a website. - Experience in website development. By demonstrating an acute understanding of our requirements, you'll help us create a website that successfully informs our audience about the services we offer. We ...

    $290 (Avg Bid)
    $290 平均报价
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