Toptal ruby on rails developers jobs

I'm seeking a photographer to capture images of 5-10 single family new construction homes for federal tax incentives. These homes will be either the mondels or vacant houses ready to sell. Time spent per house is approximately 10 minutes. Will take ppictrures of 10% of total new homes for the previous year or 10 homes, whichever is less. Photographs Needed: - HVAC system (overview + nameplate) - Water heater (overview + nameplate) - Attic insulation (overview + look for insulation ruler that shows the insulation height) - Lighting (one of exterior and several interior. - checking for LED) - Windows (Show they are dual pane - use finger for context) - Range hood (overview + nameplate) - Bathroom fans (overview + nameplate if possibe) - Basements (overview ) Requirements...

...from applying. Job Description: We are seeking a highly skilled and proactive Virtual Assistant to manage our Amazon UAE FBA Wholesale account. The ideal candidate will have in-depth knowledge of the UAE marketplace, experience in sourcing and dealing with suppliers, and a proven track record of driving success on Amazon. Responsibilities: Manage and optimize the Amazon UAE account A to Z. Identify and establish relationships with reliable suppliers in the UAE market. Stay updated on Amazon policies, guidelines, and best practices. Requirements: Proven experience managing Amazon accounts, specifically within the UAE marketplace. Strong network of suppliers in the UAE. Excellent English communication and negotiation skills. Familiarity with Amazon FBA processes, tools...

I'm looking for a talented graphic designer who can create color and pattern variations for a shaker bottle. The design needs to be abstract, using bold and vibrant colors to appeal to a sporty audience. Ideal skills for this project include: - Proficiency in graphic design software - Experience with product design - Understanding of color theory and pattern design - Ability to create designs appealing to a specific theme (in this case, sports) Please provide a portfolio showcasing relevant past work.

I have a Flask app that works perfectly on my localhost but throws internal server errors (500) when deployed on Vercel. I'm seeking an expert to troubleshoot this issue, configure the domain URL correctly, and ensure the app runs smoothly. The app is accessible on the home page, and all routes are correctly set up. The ideal candidate for this project should: - Have extensive experience with Flask and Vercel deployments. - Be able to troubleshoot server errors effectively. - Demonstrate excellent communication skills for a screen-share call via Google Meet I have already configured all required environment variables. The app only has a few common packages as dependencies. Your expertise will be invaluable in getting my app up and running. For an experienced p...

Calling Professional Java Developers! Join Our Groundbreaking Study on AI Code Assistants We are looking for experienced Java developers to participate in an exciting research study exploring how AI code assistants like GitHub Copilot impact security programming tasks. Your participation will contribute to pioneering research that could shape the future of AI in software development. Study Details: - What You’ll Do: Solve two coding problems—one with GitHub Copilot and one without. After each task, you’ll fill out a survey to share your experience. The sessions will be recorded for analysis. - Duration: Approximately 2 hours - Compensation: $100 AUD for completing the tasks as per the study guidelines. Who Can Join: - Java developers with at...

...quality assurance of RPA solutions. Monitor and maintain deployed RPA bots, ensuring their smooth operation. Troubleshoot and resolve issues related to RPA solutions. Stay up-to-date with the latest UiPath features and best practices. Participate in code reviews and contribute to the improvement of development processes. Contribute to the overall RPA strategy and roadmap. Potentially mentor junior developers....

ElectriCAD is looking to expand its software development team. We are seeking two qualified developers with expertise in building complex applications using user inputs to create interactive plans and diagrams in SVG. You are solution-oriented. You show perseverance and never give up when faced with challenges. You are passionate and involved in your projects. You are **creative** and **intelligent**. React is your tool of choice. JavaScript holds no secrets from you. You are passionate about DOM and creating engaging user interfaces. You are available for a full-time position with a minimum duration of 12 months. You are the person we are looking for. We have prepared a technical and creative challenge to select candidates who will demonstrate their creativity and, abo...

...experience in WebAR development, 3D model integration, and hand tracking technologies. ? Responsibilities: • Develop and implement WebAR applications that render 3D nails interactively on users’ hands. • Integrate GLB/GLTF models and apply texture maps (normal, roughness, depth, etc.) for realistic rendering. • Set up marker-based or markerless tracking (e.g., image tracking or hand tracking using Mediapipe). • Create scalable solutions for launching AR experiences using web links • Optimize WebAR performance for mobile browsers (iOS and Android). • Collaborate with 3D designers, Python developers, and backend engineers to streamline the pipeline. ? Requirements: • Strong experience with WebAR frameworks (e.g., and , Mind...

I'm an intermediate forex trader seeking a mentor to enhance my skills in technical and fundamental analysis, as well as risk management. The mentorship will be conducted in one-on-one sessions. Ideal Skills and Experience: - Extensive knowledge and experience in forex trading - Proficiency in technical and fundamental analysis - Expertise in risk management strategies - Proven track record of successful one-on-one mentoring - Excellent communication skills

I'm looking for an interviewer with a strong technical background, specifically in React and C#, to assess junior developers' skills. Your primary focus will be: -Handling Interviews Ideal Skills and Experience: - Previous software development experience preferred - Fluent in English (B2/C1 level) - Willing to work in US timezones

I'm seeking a skilled SEO expert to improve my site's on-page SEO, particularly focusing on meta tags (title and description) and product descriptions. Your role would involve: - Optimizing meta tags for better visibility and relevance - Enhancing product descriptions to boost SEO and user engagement Ideal candidates should have proven experience in on-page SEO, with a strong track record of improving site visibility and ranking. Familiarity with SEO tools and analytics is a plus.

...(versions 5.2 to 5.4), with a strong focus on animation retargeting, fixing, and optimizing character animations. You will be responsible for ensuring seamless integration of animations for characters, working with mesh bones, and resolving any animation-related issues to achieve high-quality results. Responsibilities: Retarget animations to different character skeletons within Unreal Engine (5.2 to 5.4). Fix and optimize animations to ensure smooth, high-quality playback in projects. Work with skeletal meshes, bone hierarchies, rigging, and weight painting to ensure compatibility with animations. Debug and resolve animation-related issues, including deformation, clipping, or blending problems. Collaborate with 3D artists, riggers, and game developers to ensure animations...

I'm experiencing issues with image formatting on my WordPress website, specifically on the product pages. - The images are being displayed at the incorrect size - This issue is particularly affecting the mobile view I need a professional who can implement responsive resizing for these images, ensuring they display correctly across all devices. Already given the project to other developers who were unsuccessful in doing so. The ideal freelancer for this project should have a strong background in WordPress, CSS, and responsive web design. Prompt and effective communication, as well as a keen attention to detail, will be crucial for the successful completion of this project.

I need an expert to write a full paper with an abstract on the topic of 'Technological Intervention and Use of AI-ML in Overcoming AC Interference & Corrosion.' Additionally, I require a PowerPoint presentation on the same topic. The paper should cover the following aspects of AI-ML applications, with an emphasis on predictive maintenance: - **Literature Review:** A comprehensive analysis of existing literature on the subject. - **Case Studies:** Real-world examples showcasing the effectiveness of AI-ML in this field. - **Comparative Analysis:** A detailed comparison of traditional methods versus AI-ML interventions. The primary audience for both the paper and the presentation is the general public. Therefore, the content should be accessible an...

...within RafflePress that allows users to share a link on WhatsApp with dynamic parameters extracted from the database. Specific Requirements: Add a New Action in RafflePress: Similar to existing actions such as "Visit a Page," "Follow on Twitter," etc. It should be called "Share on WhatsApp" and allow users to share a predefined message with a link. Customization of the Shared Message: It must include dynamic information such as rpid and rpr, values that already exist in the database and must be correctly retrieved. Desired URL example: *FREE+BASIC+COURSE+ON+COST+CALCULATION+AND+SCHEDULING*+today+at+6:00+hrs+(Central+Mexico+Time).%0A%0ATo+reserve+your+spot,+click+on+the+following+link:%0A%0A

I'm in need of a freelancer who can register and create product listings for casual clothing and accessories on various online platforms such as Etsy and Little Muffet. Key Responsibilities: - Register on different online portals - Create appealing product listings for casual wear - Understand and apply effective online selling strategies Ideal Skills: - E-commerce experience, particularly on platforms like Etsy - Proficient in content creation and product description writing - Understanding of casual wear trends - Basic photography skills for product images Your responsibility will be to effectively showcase our products to potential buyers.

I am seeking a professional with experience in online classifieds postings to promote my Financial Services on Craigslist and Kijiji. For one of the three ads, the aim is to reach potential clients with substantial wealth that are in need of financial guidance. Ideal candidates should have: - Experience in service advertisements on Craigslist and Kijiji - Background in finance or financial services advertising preferred - Excellent understanding of targeting potential clients in need of financial services - Strong communication and marketing skills - Ability to create engaging and eloquent ads

I want an application that creates images through AI and sells them automatically on the Internet, with a guaranteed daily sale And I want the daily profits to be many

I'm seeking a skilled RPGLE developer with IBM i experience to enhance the performance of an existing application. The focus will primarily be on improving database operations and processing speed. Key Requirements: - Extensive experience with RPGLE and IBM i - Proven track record of enhancing application performance - Skills in optimizing database operations - Expertise in improving processing speed - Ability to understand and enhance the existing code base Please note, this project does not involve creating a new application or fixing bugs, but rather enhancing the performance of an existing one. Your role will be critical in making this application run more efficiently.

I'm seeking a writer to craft a scholarly article focusing on the strategies for financial inclusion, particularly through digital banking solutions on a global scale for Kenya, Brazil and the United States. That is, 3 separate articles. Key Requirements: - In-depth research on fintech innovations across emerging markets and their potential for promoting financial inclusion. - Ability to articulate complex ideas clearly and concisely in an academic style. Recommend frameworks and build on my ideas for each country. - Familiarity with scholarly writing conventions and standards. - Experience in fintech research is a plus. - Provide a comparative analysis of digital banking solutions in different regions. Requirement: Deep understanding of Fintech trends in ...

I'm seeking a writer to craft a scholarly article focusing on the strategies for financial inclusion, particularly through digital banking solutions on a global scale. Key Requirements: - In-depth research on digital banking solutions and their potential for promoting financial inclusion. - Ability to articulate complex ideas clearly and concisely in an academic style. - Familiarity with scholarly writing conventions and standards. - Experience in fintech research is a plus.

Position: Frontend Engineer Location: Remote (Eastern Time, USA) Type: Project-base...dynamic, user-friendly, and responsive interfaces. Optimize the frontend performance for speed and scalability. Collaborate closely with backend developers to ensure seamless application performance. Participate in code reviews and maintain high standards for quality and maintainability. Requirements: Experience: Only candidates with relevant years of experience and qualifications should apply. If you do not meet these criteria, please do not apply. Availability: Must be available to work on Eastern Time, USA. Work Conditions: Ability to work under time-pressing conditions and meet tight deadlines. If you meet the above qualifications and are ready to take on challenging projects, we...

Only those with experience in developing image synthesis AI deep learning Only developers with development experience in Stable Diffusion can apply I can't speak English, so using a translator is essential Web app-based operation development

I'm seeking a photographer to capture images of 5-10 single family new construction homes for federal tax incentives. These homes will be either the models or vacant houses ready to sell. Time spent per house is approximately 10 minutes. Will take pictures of 10% of total new homes for the previous year or 10 homes, whichever is less. Photographs Needed: - HVAC system (overview + nameplate) - Water heater (overview + nameplate) - Attic insulation (overview + look for insulation ruler that shows the insulation height) - Lighting (one of exterior and several interior - checking for LED) - Windows (Show they are dual pane - use finger for context) - Range hood (overview + nameplate) - Bathroom fans (overview + nameplate if possible) - Basements (overview) Requirements: - Both interior ...

I have an HTML website that needs to be set up on my Hostinger account. The files have already been uploaded and the domain's name servers have been changed. I do not need any web design or development services.

I'm looking to create a Wix website to showcase our software. We already have a site but a looking to seperate our product offerings into seprate sites The ideal freelancer for this project should have: - Extensive experience with Wix - A strong portfolio in designing sleek, modern, and user-friendly websites. - Excellent communication skills to understand and incorporate my vi...the site. - Knowledge of SEO and digital marketing strategies to increase the site's visibility. - Strong graphic design skills to create visually appealing elements. - Experience in optimizing Wix sites for mobile devices. I am looking at the following pages Homepage, Features, Solutions, Resources. This is not concrete and we can discuss this further. I appreciate any input you may have based on...

I need a professional to assemble an under-desk mounted keyboard tray to my electric motor extendable desk. The job requires special tools for the assembly, which I need to be provided by the freelancer. Ideal skills and experience: - Proficient in assembling furniture and desk accessories - Experience working with electric motor desks - Able to provide necessary tools for assembly - Skilled in ensuring proper installation for optimal functionality Please see the pictures below. If there are any items missing or you do not have the tools for installation or require more pictures for assessment, please let me know. Thank you. Please note that the office is in Sydney CBD.

We are inviting experienced software developers or development teams to create a sophisticated online marketplace platform dedicated to the trading of digital products using advanced security and payment solutions, including cryptocurrencies. Technical Requirements: Programming Language: PHP Database: MySQL Consideration of using a modern framework such as Laravel or Symfony Development to be conducted in phases with payments tied to milestone approvals. Core Features: - Product listing functionalities with categories and advanced search capabilities. - User profiles with rating and review systems to foster a reliable community. - A secure transaction mechanism that includes an escrow system to protect both buyers and sellers. - Automated updates to user wallets when transaction...

...displayed with a small icon next to their name. 4. Player Profiles Users can upload a profile image and write a personal description. Display of medals/badges for past tournament wins. Membership tier displayed on the profile. 5. Tournament Page List of upcoming and past tournaments with dates. Tournament rules and payout details clearly displayed. A picture of the map that was played or will be played. 6. Subscription System A Subscription Page with 4 tiers, listing features and benefits. Integrated with a payment processor (e.g., Stripe, PayPal). Dynamic profile updates based on subscription status. Automated in-game item delivery (mainly custom skins) upon purchase. 7. Steam Integration Login system using Steam profiles. Integration to automatically distribute purch...

I need a photo prepared for laser engraving on a large piece of wood. The photo should be designed in a realistic style, suitable for engraving with a laser engraver. Ideal skills and experience for the job: - Graphic design experience, specifically with preparing images for laser engraving. - Ability to convert photos into realistic engravings. - Understanding of the limitations and capabilities of laser engravers. - Previous experience with wood engraving. - Strong attention to detail and quality.

I need a 50-page research paper focusing on the benefits of inclusive classrooms for students with disabilities, specifically in elementary schools. The paper should heavily incorporate case studies as sources, demonstrating real-world examples and outcomes. Key Requirements: - In-depth exploration of how inclusive classrooms can positively impact students with disabilities in elementary education. - Extensive use of case studies to provide concrete evidence and examples. - Clear, academic writing suitable for a research paper. Ideal Skills and Experience: - Strong background in educational research, particularly in inclusive education and special needs. - Experience with case study analysis and interpretation. - Excellent academic writing skills. The research paper should use AP...

I need to deploy two custom PHP applications on my Hostinger hosting. Both of these applications require a database setup. Key Requirements: - Experience in deploying PHP websites - Proficiency in database setup and management - Familiarity with Hostinger hosting services - Familiarity with using SSH access for efficient deployment on Hostinger - Knowledge of implementing security best practices during deployment Please ensure you can handle both the deployment and the necessary database setups before bidding.

I'm seeking an expert to set up DMARC for my two domains on Zoho Mail and configure one of the email addresses as an alias.

We are looking for an experienced WooCommerce developer with strong skills in PHP and jQuery to create custom solutions for our online store. The ideal candidate will deeply understand WooCommerce, WordPress, and custom coding to enhance functionality, optimize the user experience, and build unique features tailored to our needs. This job role is only for senior developers.

hey ? I tested it works ? I will need some improvements as new project: - now we got end point that generates PDF summary, need another one that will also generate simply snapshot from the dialog - when I mix good questions with offtopic questions - lawyers are not beeding generated. can you double check why it can happen ? 2. I would need - previous notebook with langchain improved to be able to use different emedding models. Here is nice leadeboard it would be great to able to choose in notebook e.g. 10 best if possible - especialy those free are interesting. 3. when 2 is done, have option to choose OpenAI LLM/LLaMA LLM/Cloude LLM

I need a VPN solution, preferably Wireguard, implemented on our custom embedded 32-bit system running Ubuntu 10.04. This system is crucial for our application and has multiple low-level drivers that are difficult to migrate. The primary goal of this implementation is to secure both remote access and data transmission. Key points: - The VPN client must run on the embedded system. - Performance impact should be minimal; the system is already optimized for our application. - Ease of configuration and maintenance is important, as we need to manage this system remotely. - If Wireguard cannot be installed, I need a reliable alternative VPN that utilizes pre-shared symmetric keys, without dependence on PKI certificates. - Note: we have full control over both the client and ...

Freelance Developer Needed: .NET Blazor Server Application with WhatsApp Integration I'm looking for a ski...Proposal Requirements: * Detailed development plan and timeline. * Fixed price quote for each phase. * Examples of previous work with similar technologies, including experience with Azure DevOps. * Confirmation of full source code delivery without restrictions. * Agreement to the proposed payment schedule. Contact: Please submit your proposals to. I look forward to hearing from qualified developers. The UI should follow standard design guidelines for a consistent and intuitive user experience. The Razorpay payment gateway integration should include basic functionality for adding funds to the wallet. Include basic user management functions like adding, editing, and...

I have about 8 pictures and some content to add under fishbaits, also have some new pics to change. Add more pictures and take some off things like that and some different colors in some categories.

I want to implement the strategy on Multichart, there are 4 scenarios for position buy when 2.2 event appear on the graph. All of them are triggered in one hour graph giving an blue arrow at the open of the candle and a blue arrow face down at the top of the closing candle  Short explanation of the algo process The algo is working with 3 graphs (1H,15,5)that should be connected.  After position triggered in 1H an listing process in 15 minutes graph is starting,  When the position is opened it will mark the candle that opens the position also with a blue candle facing up at the open of the candle. All the marks (listening process,openposition,stoploss,takeprofits,closingposi tion) will also be shown in15- 5 minutes graph  process-black circle ...

...a PostgreSQL database. This integration will enable automated updates on our platform, leveraging cutting-edge voice and video agent technology. About LiveKit LiveKit empowers developers to rapidly deploy voice and video agents within their applications. Built with Open Source SDKs and running on LiveKit's real-time global infrastructure, LiveKit enables: - Natural AI Conversations: Create AI agents that interact seamlessly in natural language. - Flexible AI Design: Integrate voice-to-voice AI with leading models from OpenAI, Cartesia, Deepgram, ElevenLabs, and Google. - Low Latency and Scalability: Deliver ultra-low latency experiences across desktop, mobile, and telephone platforms. - Open Source Standards: Built on the LiveKit Agents framework, su...

I want to implement the strategy on Multichart, there are 4 scenarios for position buy when 2.2 event appear on the graph. All of them are triggered in one hour graph giving an blue arrow at the open of the candle and a blue arrow face down at the top of the closing candle Short explanation of the algo process The algo is working with 3 graphs (1H,15,5)that should be connected. After position triggered in 1H an listing process in 15 minutes graph is starting, When the position is opened it will mark the candle that opens the position also with a blue candle facing up at the open of the candle. All the marks (listening process,openposition,stoploss,takeprofits,closingposition) will also be shown in15- 5 minutes graph process-black circle dot 2.openposition- blue...

İ Dont need any skills. Just do a similuar thing to this:

Person must know Arabic and English well to submit one form on website in Arabic

My hosting notified me of higher usage in CPU/seconds than usual in my site (hosted in Siteground) No recent changes have been made to the server or website, which is a WordPress. I'm seeking a professional who can help identify and resolve this issue efficiently. - Ideal Skills: - In-depth knowledge of WordPress - Experience with shared hosting troubleshooting - Strong problem-solving skills - Ability to diagnose server-related issues My hosting already diagnosed some things, please see attached document Your prompt response and expertise in this matter would be greatly appreciated.

...If you’re a hard working developer and among the top 10%, this is your chance to take on a role that will challenge you, inspire you, and give you the opportunity to: * Make an Impact: Be at the forefront of solving some of the hardest industry problems, leaving a lasting legacy in a space that has resisted change for too long. * Fulfill Your Potential: Work alongside the best, elevate your skills, and accomplish things you never thought possible. * Shape the Future: Directly contribute to innovations that will redefine how things are done in the commercial real estate tech industry. If you’re not confident you’re in the top 5%, please don’t apply. We’re looking for exceptional developers who thrive on high-stakes challenges and are r...

...products for web developers - a Web stall. In it, you can view the product catalog, add items to the cart, and place an order. Functional requirements describe how the store works: Home page contains a product catalog; clicking on a product card opens a modal with details; clicking on the basket icon opens the basket. Product View shows detailed information; clicking "Buy" adds it to the cart if not already added; clicking "Remove" removes it from the cart. Product design: First step - choose a payment method, enter delivery address; if not entered, an error appears. Second step - enter email and phone number; missing fields show an error. Clicking payment button shows success message, clears cart. Requirements for all pages: Modal windows clo...

I'm looking for a skilled professional who can convert my existing Excel/Numbers order form into an online order entry system. This project will involve creating both a basic version and a database-driven version of the order form. Key Requirements: - The online order form should be integrated with a custom Order Entry System. - It would need to replicate the tabs on the excel and the basic formulas - It should have the capacity to store customer data, specifically contact information and details pertaining to my business clients and schools. Ideal Skills and Experience: - Proficiency in Excel and Numbers - Experience in developing online order systems - Knowledge of database management - Understanding of customer data storage solutions Please note that the or...

...functionality (integrated with ElasticSearch) - Secure payment gateway integration - Geo-location-based deal suggestions - Deal purchasing, coupons, and redemption workflows - Reviews and ratings for deals and merchants - Admin panel for managing users, merchants, and deals - Notification system (email and in-app) - Mobile responsiveness (React for web, React Native for mobile) - Any features present on that are not explicitly mentioned here must also be included. Development Guidelines: : Frontend: React for web, React Native for mobile Backend: .NET Web API Search: ElasticSearch CI/CD: Setup and automation pipeline Containerization: Use Docker for deployment 2. AI Integration: Leverage AI tools and technologies for: - User Interface generation: Utilize Figma AI tools

Below is a high-level yet technically detailed problem formulation for creating a **Stock Sentiment Predictor** AI Widget on Abyss, abysshub.com. This document aims to guide developers in implementing the solution while highlighting advanced logic considerations and best practices for a robust FinTech application. --- ## 1. Overview ### Widget Objective A **Stock Sentiment Predictor** Widget that: 1. **Scrapes financial news articles** for a given stock ticker and date range. 2. **Applies GPT-4 (or other large language models) and classical sentiment analysis** to generate a quantitative sentiment score (ranging from 1–10). 3. **Outputs**: - A **CSV** with per-article sentiment scores and metadata (e.g., publication date, headline, source). - A **graph** (PNG/S...

Objective Set up a secure and efficient environment for productivity monitoring and access control on AWS and GitHub. Tasks Monitoring and Auditing: Set up AWS CloudWatch and CloudTrail to track activities and access. Access Control: Implement restrictions and permissions on AWS IAM and GitHub (protected branches, activity logs). Secure Pipelines: Create CI/CD pipelines on AWS CodePipeline or GitHub Actions with a focus on security. Productivity Tracking: Integrate tools to monitor developers' activities. Alerts and Audits: Implement notifications to track commits and code access. Technical Requirements Advanced experience with AWS (CloudWatch, CloudTrail, IAM, CodePipeline). Strong knowledge of GitHub and secure version control. Experien...