Trabajo freelance ruby on rails developer jobs

I'm looking for an expert in Computational Fluid Dynamics (CFD) to analyze an oscillating wave surge converter. This project will focus on the structural integrity (using Fluid-Structure Interaction or FSI), the hydrodynamic performance and the power output of the converter under different wave speeds (low, medium and high). Key project requirements: - Conducting a detailed CFD analysis using Siemens Star CCM+ Marine or Flow3d - Evaluating the structural integrity of the converter under different conditions - Analyzing the hydrodynamic performance of the converter - Measuring the power output with varying wave speeds - Presenting findings in a clear and comprehensive manner Ideal candidates for this project should have: - Extensive experience with CFD and FSI - Proficiency in...

Looking for a Creative Freelancer for Real Estate Marketing Position: Digital Image & Video Designer Industry: Real Estate Marketing Work Type: Freelance Are you a talented and creative individual with a passion for designing compelling visuals? We are looking for a skilled freelancer to collaborate with us on creating high-quality digital image creatives and videos for real estate marketing campaigns. Key Responsibilities: Design 3-4 digital creatives per month tailored to real estate marketing. Create 1 engaging video per month showcasing properties, services, or promotional campaigns. Collaborate to understand project requirements and deliver within agreed timelines. Skills Required: Expertise in graphic design and video editing tools (e.g., Adobe Photoshop, Illustr...

We are seeking a talented and passionate Flutter Developer to join our team. The ideal candidate will have a strong background in mobile application development and be proficient in building high-performance, scalable, and visually appealing applications using Flutter. You will work closely with our design and backend teams to deliver seamless user experiences. Key Responsibilities: 1. Design and develop robust, efficient, and reusable code for cross-platform mobile applications using Flutter and Dart. 2. Collaborate with UI/UX designers to ensure high-quality user interfaces. 3. Integrate RESTful APIs and third-party libraries into mobile applications. 4. Debug and resolve performance issues, ensuring smooth functionality across iOS and Android platforms. 5. Write unit and integr...

Job Title: Software Developer Experience Required: 2 - 3 years Location: Remote Employment Type: Full-time Freelancer Job Description: We are seeking a passionate and skilled React Native Developer with knowledge of React.js to join our team. The ideal candidate should have expertise in developing mobile applications (Android & iOS) using React Native and a strong understanding of web technologies with React.js. Key Responsibilities: Develop and maintain robust mobile applications for Android and iOS using React Native. Use React.js for integrating web-based features or creating admin dashboards when needed. Implement complex features like location tracking, maps, subscriptions, chatting, ads, payments, audio/video calls, and more. Write high-quality, optimized, and re...

I'm in search of a senior or mid level full stack or backend Node.js developer to join our American company with offices in Pakistan. This role can be remote or in-office. Your primary focus will be on collaborating with our front-end React developer on an Android app project slated for completion and testing by February 1, 2025. Key Responsibilities: - Database management: You'll need to ensure optimal data handling and storage for our application. - API Development: Collaborate with our front-end developer to integrate user-facing elements with server-side logic. - Server-side Logic: Design and implement the server-side of our application. Required Skills: - Extensive experience with databases is a must. Familiarity with other Node.js and f...

Looking for Webflow developer to redo my website, should provide XD or Figma file first once design is finalised we can move further.

I will share a Figma Design to design a Roulette Game. Backend APIs will be provided to respective developer later after completion of the static screens or standalone Application Development. You shall be expert in Animations for this project. I am sharing the rough UI as of now, final UI will be shared at award. (Copy)?node-id=171-55&t=A7iJ5nOZCaoJAE4d-1

...in search of a proficient MERN stack developer with solid NestJS expertise for a short-term (3-4 weeks) project. You'll be working with a collaborative team of 5, focusing primarily on backend development and integrating both REST and GraphQL APIs. Key Responsibilities: - Backend development for scalable web applications - API integration with both REST and GraphQL - Collaborating within a remote team Necessary Skills: - Deep understanding and experience with the MERN stack (MongoDB, , React, Node.js) - Strong background in NestJS and TypeScript - Proficient in API development - Database knowledge, particularly with MongoDB Project Details: - Duration: 3-4 weeks - Team Size: 5 members - Work Type: Remote - Compensation: Competitive, based on experience How ...

I'm seeking a talented UI/UX and WordPress developer to create a comprehensive informative services website from scratch. Key Requirements: - Design first in Figma (best design & attractive) - Wordpress + Elementor (or any other best tools or tech) - SEO friendly - Performance tested - Mobile And tablet compatible - Need email send feature for contact/inquiry or subscribe feature. Key Responsibilities: - Design a user-friendly and visually appealing UI/UX - Develop the site using WordPress using Elementor or best tech - Implement SEO best practices for visibility - Ensure responsiveness across different devices and browsers. - Mobile And tablet compatible. - Performance testing with different browsers. Ideal Candidate: - Proven experience in UI/UX design and WordPress d...

Hiring a Flutter Developer Expert for a Web App We are seeking a Flutter Developer Expert with advanced knowledge in optimizing Flutter Web applications for cross-browser compatibility and resolving platform-specific issues, particularly on iOS mobile browsers. Below is a description of the challenges and our expectations for the role. Challenges Performance Optimization Across All Platforms (Especially Mobile) Optimize Flutter Web performance on both mobile and desktop browsers, ensuring smooth and consistent behavior across different devices. Eliminate memory leaks and reduce unnecessary widget rebuilding, enhancing overall responsiveness. Address sluggish rendering and improve resource utilization on platforms with varying hardware capabilities. Cross-...

Experienced iOS developer for slick and interactive to-do list mobile app. The app is expected to save tasks locally as well as communicate with bespoke backend for shared tasks. App must be able to create alerts to remind user of pending tasks, it must be able to decide on the most urgent task and alert on it. There will only be about 5-6 different screens, wireframe will be shared in chat and final cost can be discussed. Experience with Apple StoreKit essential, premium features will be locked to active subscription as Apple IAP. Code to be checked in to our repo, build instruction to be included. Application code expecteted to be optimized and light weight using a modern framework. Experience with UI/UX design a bonus. There will be strict functional and des...

I'm seeking a digital marketing expert to set up and manage a Google Ads campaign for my low to no-income travel website, specifically targeting the blog content. The primary objective is to increase website traffic, with a focus on attracting mature, boutique travellers. Key Requirements: - Proven experience with Google Ads - Understanding of travel industry and target audience - Ability to create engaging ad content focused on blog - Skills in tracking and optimizing campaign performance

I'm looking for an experienced web developer to assist with multiple small business website projects. My business model consists of reaching out to small business owners and designing tailored websites for them. You would be responsible for developing and managing 3-4 websites concurrently. Types of Websites: - E-commerce: Occasionally, we build online stores. - Portfolio: Typically includes a contact form, project showcase, client testimonials, and any positive credentials of the portfolio owner. - Informational: Usually consists of a contact form and service descriptions. Key Responsibilities: - Develop and manage multiple websites simultaneously. - Implement specific features as per website type and client needs. - Ensure timely delivery and maintain high quality across al...

Need help with solving 2 issues.

I'm looking to produce a one-on-one video interview with our CEO as we celebrate our company's 40th anniversary. The interview should have an inspirational and motivational tone. Key Requirements: - Experienced in producing and directing video interviews, particularly one-on-one formats. - Able to create an uplifting and inspiring atmosphere throughout the production process. - Proficient in both pre-production planning and post-production editing to ensure a high-quality final product. - We need different angles to clip for social media and well produced final video.

We are in urgent need of an experienced WordPress developer to create a custom theme from scratch. - My client needs a custom theme with WooCommerce functionality, within 48 hours from now. - You must have both creative design and expert-level dev skills. - Please see my profile, I've been a top-rated user since 2010, so I'll have additional work. - Total budget: $100USD

I'm looking for an expert in Ruby on Rails and cloud computing to assist with migrating my web application from AWS to Google Cloud. Key Migration Areas: - Transitioning EC2 instances, S3 storage, and RDS databases from AWS to Google Cloud - Setting up the appropriate Compute Engine instances on Google Cloud Post-Migration Testing: - Verifying the integrity and functionality of database connections - Ensuring all APIs are working correctly post-migration - Comprehensive testing of the Ruby on Rails application Ideal Skills: - Extensive experience with Ruby on Rails - Strong understanding of AWS and Google Cloud services - Proficient in testing and troubleshooting database connections and APIs - Experience with s...

ON Site SEO 3-5 days

...with a simple yet distinctive design for a seasonal can label. We have a consistent base format for our cans, with each of our five main flavors distinguished by a unique color and flavor name on the front. However, the colors for each flavor have started to feel too similar, making them less distinguishable. We need a fresh design approach for our seasonal flavors—something that maintains our brand identity but allows each flavor to stand out with its own distinct look by simply changing the color. The design, logo, and content would remain consistent with our existing cans, but I’m looking for a freelance artist to create a new background layout. The goal is to capture the bright, vibrant, and refreshing essence of our beverages, which are all made with lemo...

I need a website where people can post there knowledge and sell it too consumers for example lets say im a website developer and i want to show people how to code will make a video on how to code and i will post it on my website sell it . But i want peolpe to be able to post their own videos because im going to just be the owner of the website and independent contractors will post their own videos and make money off of it

**Job Opening: Freelance WordPress Developer for bbPress Customization** We are on the lookout for a talented freelance WordPress developer to assist us in integrating the design and features of bbPress from the Vikinger theme into a child theme of the Foxiz theme. This integration is crucial for enhancing our forum's user experience, and we need someone who can achieve outstanding results. **Responsibilities:** - Migrate and modify the CSS, PHP functions, and any necessary code from the Vikinger theme to the Foxiz child theme. - Ensure bbPress functionalities are fully operational and visually aligned with our website’s overall design. - Focus on the aesthetic and functional aspects of the forums, applying best practices in user inter...

...should be in a modern style, incorporating the following features: - **Adjustable height:** The learning tower should be able to grow with the child, providing a versatile learning and playing tool. - **Foldable design:** The tower should be easy to store when not in use, making it perfect for homes with limited space. - **Safety rails:** Given that this is a product for children, safety is of utmost importance. The design should include sturdy and reliable safety rails to keep the child secure. - **Attractive look:** The tower should incorporate subtle animal or floral design to be appealing to young children. The ideal freelancer for this project should have a strong background in product design, particularly for children's furniture. Experience with wood and mode...

...project is completed entirely. I'm struggling with getting the NTP service to work on my Domain Controller, which is running Windows Server 2016. Tasks: - Troubleshoot NTP traffic routing through Wingate Proxy Server - Address custom routing configurations and security restrictions on the Proxy - Ensure proper NTP service configuration Requirements: - Proven experience with configuring NTP service on Windows Server 2016 - In-depth knowledge of Wingate Proxy Server - Ability to troubleshoot network traffic issues - Familiarity with custom routing configurations and security restrictions I have already created a UDP Mapping service on the proxy but I am not seeing any traffic from the server. Port 123 on the firewall was opened and I have perf...

I'm in need of a proficient web developer who can create a service e-commerce website focused on professional services. The primary function of this website should be service booking, with additional features such as user reviews and ratings as well as automated email notifications. Key Responsibilities: - Design and develop a user-friendly e-commerce platform for professional services - Implement a reliable and efficient service booking system - Integrate user reviews and ratings feature to foster trust and transparency - Set up an automated email notification system for updates and confirmations Ideal Skills and Experience: - Proven experience in e-commerce website development - Strong understanding and expertise in creating service booking systems - Prior work with ...

I'm looking for a seasoned Ruby on Rails developer to assist in maintaining an existing Content Management System (CMS). Your primary responsibilities will revolve around identifying and resolving issues, handling migration errors, and assisting with redeployment tasks. Ideal Skills and Experience: - Proficiency in Ruby on Rails - Strong experience in CMS maintenance - Excellent problem-solving skills - Experience with bug fixing and performance optimization - Familiarity with handling migration errors

This proposal outlines the provision of a dedicated developer Support for AdFox customisation from Jan 1 to Jan 31 2025. The cost for these services over the 31-day period is $1000. Tasks can be assigned and managed through our project management tool, ensuring transparency and effective communication.

2 images of the billboard with variation as discussed on chat.

I'm looking for someone to develop a small-scale e-commerce website on WordPress using WooCommerce, focused on selling candles. Key Requirements: - Development of a user-friendly, engaging site showcasing a range of products. - Implementation of secure credit card purchasing system, ensuring top-notch encryption for customer security. -Content writing/help with descriptions -SEO Ideal Skills: - Proficiency in WordPress and WooCommerce is a must. - Prior experience in e-commerce website development will be highly regarded. - Strong understanding of e-commerce security standards, specifically around credit card transactions. -SEO to get a new small company ranking

I'm seeking a Pine Script version 6 expert who can develop a custom Trading View indicator and strategy for me. Your main task will be: - Creating an indicator that generates buy/sell signals for automated trading. Ideal skills and experience include: - Proficient in Pine Script version 6 - Extensive experience in building Trading View indicators and strategies. - Previous work in developing automated trading systems. Please provide examples of similar projects you've completed in your proposal.

I'm experiencing issues with the blockchain integration of my Unity game. Specifically, transactions are failing to process on Etherscan. This has been an ongoing issue, and I need a skilled Unity Web3 developer with experience in blockchain and smart contracts to diagnose and rectify the problem. No recent changes have been made to the smart contract, so the issue likely lies elsewhere. Ideal Skills: - Proficiency in Unity development - Extensive experience with blockchain technology - In-depth knowledge of smart contracts - Problem-solving skills to troubleshoot transaction issues - Familiarity with Etherscan - Experience with Infura and Nethereum on Sepolia testnet Please provide your bid if you believe you can help resolve this issue swiftly. Thank you. Sm...

I need a Python expert to build a simple trading script and a dashboard for monitoring trades. The script should be built using Python and pandas, and it should interact with a specific trading API. Dashboard Requirements: - Re...Python and pandas, and it should interact with a specific trading API. Dashboard Requirements: - Real-time data display: The dashboard should be able to show live data as trades occur. - Historical trade analysis: The dashboard should provide the functionality to review past trades and analyze their performance. - Automated alerts: The dashboard should be able to send alerts automatically based on certain conditions. Ideal Skills: - Proficient in Python and pandas. - Experience in building trading scripts and dashboards. - Prior work with trading APIs ...

I'm seeking a writer to create a detailed analysis-focused article on climate change, with an emphasis on deforestation as a key contributor. The article should thoroughly dissect the impact of deforestation on greenhouse gas emissions, while also providing a broader context of how this ties into the overall climate crisis. You should have: - Strong understanding of climate science and environmental issues - Exceptional research and writing skills - Ability to translate complex concepts into engaging and accessible content

We are developing a small quiz based web platform with a focus on user engagement, leaderboards, real monetary rewards, and an excellent user experience. The platform's frontend is being built in parallel, and we are looking for an experienced backend developer to build the backend using Spring Boot under my guidance. You will be responsible for developing a secure, scalable backend and ensuring seamless integration with the frontend. Knowledge of React JS + Spring boot Responsibilities: Backend Development: Build RESTful APIs using Spring Boot to handle features such as: User management (signup, login, authentication). Challenge management (daily, weekly, monthly challenges). Leaderboards. Wallet transactions (earnings, withdrawals, pending balances). Help and suppo...

I'm...develop a vibrant and engaging business promotion website on JouwWeb. The site will primarily be used for promoting our business and services. Key Responsibilities: - Creation of a 'Services Offered' section that clearly outlines what we provide - Development of a 'Client Testimonials' section to build trust and credibility with our visitors - Implementation of a 'Contact Form' to facilitate easy communication with potential clients Ideal Skills: - Proficiency in JouwWeb - Experience in designing colorful and creative websites - Strong understanding of business promotion needs on digital platforms - Excellent communication skills to understand our requirements and deliver accordingly Please provide examples of similar projects you&#...

We are looking for a certified expert to bid on a short-term freelance project focused on organizing, updating, and optimizing our AWS and MongoDB environments. The goal is to ensure our project is set up with best practices for security, performance, and scalability. Our project uses the MERN stack, including: Frontend: Vercel Backend: AWS EC2 Database: MongoDB Scope of Work: Organize and optimize AWS settings (EC2, IAM Identity Center, security policies). Update and configure MongoDB defaults for improved performance and security. Implement robust backup systems for MongoDB and AWS EC2. Update security policies to ensure compliance and secure configurations. Provide recommendations and document workflows for ongoing maintenance. Requirements: Proven expertise in ...

I'm looking for an expert to install the latest stable release of Qwebirc and The Lounge on my Ubuntu 24.04.1 LTS VPS. Ideal skills for the job: - Extensive experience with Ubuntu and VPS management - Proficient in installing and configuring Qwebirc and The Lounge - Strong troubleshooting skills - Good English communication skills

Update comedy show dates on website - New dates are posted on

I need an expert in C# to integrate a cloud-based, hardware licensing system into my desktop application using the Gatekeeper platform. Key Requirements: - Familiarity with C# and desktop application development - Experience with integrating cloud-based licensing systems - Understanding of the Gatekeeper platform and its API - Ability t...desktop application development - Experience with integrating cloud-based licensing systems - Understanding of the Gatekeeper platform and its API - Ability to set up usage tracking for active users, time-based usage, and feature-specific usage Please note, I will not provide my API key. You'll need to have a working Gatekeeper account and API key for the integration. I will compile the codebase on my system. Gatekeeper URL:

I'm looking for a skilled MERN developer to help with some urgent changes and ongoing maintenance of my e-commerce website. Please note that this project is only open to Pakistani developers. Requirements: -> need to add blog campaign on admin page if added it will show on the remaining time for open  -> add so the admin can also register product as admin or for the user (on admin panel) ->registered but couldnt see the registered user (i wanted to check this altho i couldnt login admin side so i coulnt check ) -> when people register they fill out like phone url etc but cant see detail info about user just can see the email and phone i think

Hi, I am looking for a talented freelance designer to help us create engaging social media content for our premium resort located in Wayanad. We need someone to design eye-catching visuals that highlight the resort's ambiance, amenities, and scenic surroundings. Project Scope: Social Media Creatives: Design banners, flyers, and promotional posts tailored to Instagram and Facebook. Templates: Create reusable templates for Instagram Stories, Reels covers, and feed posts. Short Promotional Videos: Design short, high-quality videos that showcase the resort’s premium features and natural beauty. Ad Campaign Graphics: Develop graphics and videos optimized for Meta ad campaigns, focusing on performance-driven designs. Requirements: Proven experience in creating engaging...

I'm seeking an expert to assist with the installation and configuration of Stratus EverRun on my cloud-based, Linux servers. Key Requirements: - Proficiency with Linux operating system - Extensive experience with Stratus EverRun installation - Prior work with cloud-based server setups - Ability to configure for optimal performance and reliability Your task will be to ensure that the system is seamlessly integrated into my current infrastructure, with a focus on stability and redundancy. Please provide examples of similar projects you've completed in your proposal.

I need someone to install my Laravel web application script on my server's cPanel. The job also involves setting up a MySQL database. Ideal skills for this project include: - Proficiency in Laravel - Experience with cPanel - MySQL database setup and configuration skills - General knowledge of PHP, as Laravel is a PHP framework. Please only bid if you have experience with these technologies.

I'm seeking a skilled web developer for some freelancing work. Your experience and expertise in programming and web development can help me earn money through quality projects. Ideal Skills: - Proficient in HTML, CSS, JavaScript, and other web development technologies - Experience with responsive design, server-side technologies, and web security - Strong problem-solving skills and attention to detail Experience: - Previous freelancing experience in web development - Proven track record of delivering high-quality web projects on time Your expertise can help me tap into the potential of freelancing and earn decent income. Let's collaborate and make it happen.

I need a professional to set up a LinkedIn campaign on my behalf.

I'm seeking a dedicated intern to assist with various project management tasks, with a specific emphasis on risk management. This is an excellent opportunity for someone looking to gain hands-on experience in a professional setting. Key Responsibilities: - Assisting with project management tasks - Focusing on risk management aspects - Developing skills in identifying potential risks Ideal Candidate: - Interested in project management - Eager to learn and gain experience in risk management - Able to assist with various work assignments and tasks This position is structured to enable the intern to gain the necessary knowledge, skills, and abilities needed to perform at a professional level, typically identified with a targeted exempt position.

I'm looking for a highly experienced Android developer with over 5 years of Java experience. The project involves modifying an existing Android application to pass the user ID, allow photo viewing on other profiles, and hiding specific icons. Ideal Skills: - Expert in Android and Java - Excellent problem-solving skills - Experience with modifying existing applications - Ability to understand and follow specific requirements - Attention to detail Key Tasks: - Implement functionality to pass user ID to view photos on other profiles - Modify the app to hide specific icons - Ensure the modification is seamless and does not affect other app functionalities Please note, this is a straightforward task for a seasoned developer. We appreciate your expertise and ...

I'm looking for an experienced Android developer to create a call utility app. The primary focus of the app is to facilitate voice calls. Key Requirements: - Proficient in Android development. - Prior experience in creating call-related apps is a major plus. - Ability to deliver a user-friendly interface. The project is straightforward, but a keen eye for detail and a commitment to quality is essential. Please provide examples of your previous work in Android development, particularly any relevant call utility apps.

...Title:** Freelance Costume Designer and Tech Pack Developer --- **Job Description:** We are seeking a skilled and creative **Freelance Costume Designer and Tech Pack Developer** to assist with the design and development of a unique collection of women’s apparel. This is a remote freelance opportunity, ideal for someone passionate about fashion and experienced in translating concepts into production-ready designs. --- **Key Responsibilities:** - Design modern and stylish costumes and apparel that align with the creative brief provided. - Develop detailed **tech packs**, including sketches, measurements, fabric details, and construction notes for manufacturing. - Collaborate with the team to ensure designs are practical, innovative...

I've purchased and downloaded MagicAI, but I keep running into a 404 error on the website and the installation page doesnt load. I need a professional to troubleshoot and fix this issue who is confident in Laravel. The server has SSL and NGINX already configured. - Hosting Environment: The website is hosted on a dedicated server and cant give SSH access but only anydesk - Modifications: The MagicAI installation hasn't been altered in any way. Ideal candidates for this project should be well-versed in troubleshooting laravel server issues on nginx environment, specifically with MagicAI. Experience with dedicated servers, SSL, and NGINX is a must.

...Enhancements (If Things Go Well): Add additional languages to the app. Implement design changes or new menu items. Make other minor adjustments based on user feedback. Engagement Model: Work will be on a month-to-month basis. Payment will be provided for any tasks performed as required. Requirements: Familiarity with the technologies and frameworks listed above. Ability to troubleshoot and debug issues across both platforms. Experience posting apps to both the iOS App Store and Google Play Store. Strong communication skills and ability to provide clear progress updates. How to Apply: Please provide the following: Examples of similar apps you’ve worked on (if any). Your experience with the technologies mentioned. Your hourly or monthly rate for this engagem...