Ruby on rails freelance developer lisboa jobs

I'm in need of a seasoned full stack developer specialized in Laravel and Vue for creating a custom web application with a primary focus on data analytics and reporting. Key Responsibilities: - Develop a robust custom web application - Implement user management features - Integrate data analytics and reporting functionalities - Ensure seamless integration with various data sources Ideal Skills: - Proficiency in Laravel and Vue - Extensive experience in REST API development - Strong background in data analytics and reporting - Skilled in working with databases (e.g., MySQL, MongoDB) and APIs (e.g., REST, GraphQL) The project will involve integrating with multiple data sources, including databases and APIs. Experience with external data sources such as CSV and Excel wi...

My Shopify site is...freezing issues, particularly when browsing product pages. This problem primarily occurs on Google Chrome. I suspect it might be related to some recent changes on the site, but I'm not entirely sure. I need a professional with the following skills and experience: - Proficiency in troubleshooting Shopify sites - Expertise in diagnosing issues related to specific web browsers, particularly Google Chrome - Ability to investigate potential problems caused by recent app or plugin installations Your goal will be to identify the cause of the freezing and implement a solution to restore the site to optimal performance. Please PM me for website information and send me your plan to fix. You must know what is going on with the site first before tryin...

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Job Post: Experienced Wix Studio Expert Needed We are seeking a highly experienced Wix Studio developer to finalize and optimize a 30-page website. This is a comprehensive project requiring a professional who is well-versed in Wix Studio's advanced features and has a proven track record of delivering high-quality results. Scope of Work Responsive Design Finalize the design to ensure the website is 100% responsive across all devices. Bug Fixes Resolve issues such as element collapsing, email triggers, and pagination on Wix Studio. Address and optimize the Stripe integration, resolving error messages preventing payment functionality. Code Optimization Clean and optimize existing code to ensure seamless performance and user experience. Develop and integrate custom code...

I'm looking for a skilled AI developer to create a program that generates images from image-to-image processing. Key Requirements: - The program should operate on a website. - It must generate images linked to a unique saved profile. - It should support multiple users simultaneously. The program needs to have: - Preset attributes for image generation including color scheme, style/theme, and resolution. - An optimized queue system to manage requests efficiently. User Interaction: - Users will interact with the program by selecting from predefined options. Ideal Candidates: - Extensive experience in AI, particularly in image generation. - Proficient in web development. - Ability to create user-friendly interfaces for complex systems.

I am in need of a .NET developer with good knowledge of .NET app and web server. We need to get a new desktop software developed that will do autofill and automatic work on the booking website

I need a legal brief focusing on the municipality's business activities and their implications on liability. This brief will be crucial in challenging the municipality's immunity in light of a breach of duty of care. Specific Tasks: - Analyze the city's engagement in a foreclosure business and its impact on their responsibility and liability. - Compare and contrast this situation with that of a private entity. - Use provided supporting materials (official documents, witness testimonies, photographic evidence) to substantiate the arguments. Ideal Skills: - Strong background in municipal law and liability cases. - Excellent legal writing skills. - Ability to interpret and present complex data from official documents, witness testimonies, and photographi...

Looking for a Real Estate Administrative Assistant. We are a canadian real estate agency seeking a skilled Administrative Assistant to join our team on a freelance basis. This remote position will support our team by managing data entry, contract drafting, Online Listing Management, Client Database Maintenance, assisting with email campaigns, and handling social media content creation and postings. The ideal candidate will be organized, reliable, and able to perform routine tasks efficiently. Requirements: Proven experience in administrative support or a similar role. Familiarity with real estate terminology and basic processes is preferred. Competency in Microsoft Office applications, such as Outlook, Word & Excel, and experience with social media platforms (Meta Busin...

We are looking for an experienced and proactive assistant to support a designer during Milan Fashion Week in March 2025. The role includes assisting with fittings before the event and coordinating backstage over Milan Fashion Week, including managing models, liaising with guests, capturing BTS content, and running errands. Key Responsibilities: • Assist the designer with backstage needs over the event days • Assist with fittings before the event • Capture short BTS videos and photos during the event for social media content (no specialized equipment required; a smartphone is sufficient) • Coordinate backstage activities with models and guests during Milan Fashion Week • Run errands and provide general support as needed Requirements: • Previous experien...

My iOS project has several functionality bugs that need to be addressed. These include crashes and errors, as well as features not working as intended. There are also UI/UX improvements to be made, particularly with navigation, layout design and user interaction. Ideal skills and experience for this job include: - Proficient in iOS development and debugging - Strong understanding of UI/UX design principles - Experience with improving app performance - Able to troubleshoot and solve functionality bugs - Knowledge of optimizing navigation and layout design - Skills in enhancing user interaction

I need assistance configuring authentication for the Google Meet REST API using the ruby library "google-apps-meet-v2". Currently, I'm facing a permission error ("Permission denied on resource Space") when attempting to create a meeting. I have set up a service account on google cloud with admin roles. Key Requirements: - Expertise in OAuth 2.0 and Service account authentication, particularly with Google APIs. - A deep understanding of Google Meet's permission structures. - Ability to troubleshoot and resolve API permission issues. - Proficiency in Ruby a plus, with experience using "google-apps-meet-v2".

I'm encountering problems with some extensions or modules on my OpenCart site and email settings. The specific details of the issues vary, but they primarily revolve around the functionality and performance of these extensions. Ideal skills and experience for the job: - Extensive knowledge and experience with OpenCart - Proficient in troubleshooting and fixing issues with OpenCart extensions and modules - Familiarity with various types of OpenCart extensions - Capable of ensuring optimal site performance and functionality Your role will involve diagnosing and resolving these issues to ensure my OpenCart site operates smoothly and efficiently. Please include relevant experience and examples of similar projects in your proposal.

I'm seeking a skilled WordPress developer to help me set up a new WordPress website on my VPS server. This site will serve as a modern, business portfolio for my company, with a primary focus on showcasing client testimonials. Key Requirements: - Strong experience in WordPress setup and customization - Proven track record of working with VPS servers - Ability to create a modern design style, particularly for the testimonials section - Attention to detail and commitment to delivering high-quality work Ideal Skills: - WordPress Development - VPS server management - Modern web design - Client testimonials presentation Please provide examples of similar projects you've completed. I look forward to your proposals.

We are exclusively looking for highly qualified and experienced developers to create a SaaS platform similar to from the ground up. This is a high-priority project, and we are committed to ensuring its success by working only with professionals who can deliver exceptional results on time and within budget. What We Need: Proven Track Record: You must have demonstrable experience in developing SaaS platforms, ideally with features like email lookup, verification, or lead generation. Technical Expertise: Advanced skills in backend and frontend development, database design, scalable infrastructure, and API integrations. Efficiency and Quality: We need a team or individual capable of maintaining high-quality standards while adhering to deadlines. Problem-Solving: Innovative solutions

I'm in need of a professional with an extensive background in Chemistry and Biology, to create a set of graduate-level, multiple-choice and short-answer questions, along with their respective answers. Key Requirements: - Expertise in Chemistry and Biology at the graduate level, Even till class 10th will work - Prior experience in creating educational content, particularly question and answer pairs - Ability to formulate both multiple-choice and short answer questions - Familiarity with the subjects of Biology and Chemistry - Creativity and understanding of appropriate difficulty levels for graduate students The goal of this project is to provide a comprehensive set of challenging and thought-provoking questions to assist in the education of graduate-level students in these fields.

I am looking for an experienced Android App developer who is proficient in Java. The app will serve as a utility tool focusing primarily on file organization. Key Responsibilities: - Develop a file organization utility tool for Android. - Ensure the app supports both local and cloud storage options. Ideal Skills: - Proficient in Java and Android app development. - Well-versed with HTTP and FTP protocol and methodology. Specifically, expertise in POST and GET requests is needed. - Experience with Google Suite/API is a plus.

I'm looking for an experienced developer to finalize work on my existing website. The project involves multiple tasks, primarily focusing on enhancing search and localization features. Key Tasks: - Set up a separate staging domain - Implement localization updates - Conduct SEO updates - Create a form-element for payload - Enhance product overview functions - Implement a frontend search I have all the necessary resources for localization and SEO, so no assistance is needed in gathering these components. Your expertise in and experience with website finalization is crucial for this project.

We are looking for a talented Blockchain Architect to lead our team in developing cutting-edge blockchain solutions. Your role will involve designing robust architectures, ensuring high security standards, and integrating complex smart contracts. Ideal candidates will have a deep understanding of cryptographic principles and experience with decentralized applications. This is a remote freelance opportunity with flexible hours. Join us to drive innovation and make a significant impact in the blockchain space.

I'm looking to kickstart my freelancing journey as a copywriter. I need an experienced freelancer who can guide me through the process, help refine my skills, and assist in finding potential clients. Skills in SEO and digital marketing would be a plus.

I’m looking for a dedicated PHP Laravel developer to join a project that’s in the early stages of growth. The website is a platform for buying and selling services, similar to marketplaces like Fiverr, but with a unique approach and growing traction. It’s live and functional, but there’s still a lot of room for improvement, optimization, and new feature development. The pay is $2/hour for full-time work — I understand this is far from ideal, and I truly apologize, but it’s the best I can offer at the moment. This role is perfect for someone who’s looking to gain hands-on experience with a live platform and contribute to building something meaningful. If you’re interested, let’s talk!

I am looking for a python selenium engineer to do some automate. Requirement - Strong in Python + Selenium - Have experience in automate website - Have macbook to work It will be full time position and long term.

I need a Laravel web application installed on my server. This is a fresh installation. The project involves: - Full configuration of the server environment to support the Laravel application - Domain pointing to the application Please note, the server is a shared hosting. Ideal skills for this job include: - Expertise in Laravel - Server configuration skills - Experience with shared hosting Looking forward to your bids.

I'm seeking a skilled writer for public relations blog posts. The goal is to enhance PR for one of our clients through 2 inspirational blog posts. Requirements: - Demonstrated experience in public relations writing - Ability to convey an inspirational tone - Knowledge of PR industry trends and narratives - Capability to write engaging content that increases brand awareness Please submit relevant writing samples and PR experience.

I'm looking to kickstart my freelancing journey as a copywriter. I need an experienced freelancer who can guide me through the process, help refine my skills, and assist in finding potential clients. Skills in SEO and digital marketing would be a plus.

Hľadám skúseného vývojára zo Slovenska, ktorý má bohaté skúsenosti s nasadením a konfiguráciou webových aplikácií typu SaaS. Úlohy, : - Nasadenie (upload) kódu na server (Namecheap) - Konfigurácia a integrácia API - Nastavenie a integrácia platobnej brány Stripe - Testovanie aplikácie po nasadení Ideálny kandidát by mal mať: - Silné zručnosti v JavaScripte, konkrétne v Node.js a React - Skúsenosti s MongoDB - Znalosť a skúsenosti s integráciou Stripe - Schopnosť testovať aplikáciu po nasadení - Pozitívny prístup a ochotu spolupracovať Taktiež je výhodou...

Senior Blockchain Developer - Token Development Specialist Web Tadka Digital Marketing Agency Position Overview We are seeking an experienced Blockchain Developer specializing in token development and listings to lead Web Tadka's initiative in creating and launching our native token. This role combines technical expertise with strategic planning to support our agency's funding and expansion goals.

I'm in need of a Professional WordPress Designer who can design home page for health care products E-commerce website. We will provide one theme that need to re-design home page only with responsive. Key Responsibilities: - Designing an attractive, user-friendly home page. - It should be Responsive in mobile. Write "I am Ready" in your first line.

I'm looking for an fresher or experienced Android app developer to assist me in creating an app for my cab service business. The app needs to have a focus on transport and logistics, with a key emphasis on system optimization. Key Requirements: - Proven experience in designing and developing Android apps, particularly in the transport and logistics sector. - Strong skills in system optimization to ensure the app runs efficiently and effectively. - Ability to incorporate features that improve system performance and user experience. Optional, but Preferred: - Experience with implementing productivity tools within an app. - Understanding of task scheduling and route planning. The ideal candidate for this project should have a strong background in Android app dev...

I'm looking for a freelance sales executive to work across all major cities in Tamilnadu. This role involves selling physical products in the consumer goods and healthcare sectors. Key Responsibilities: - Generating leads - Closing sales The ideal candidate should have a proven track record in sales, preferably within the specified industries. Experience in reaching and exceeding sales targets is a must.

I'm searching for a skilled and reliable graphic designer to work with on and on-going basis for various projects in my pipeline this year. Adobe Creative Suite is preferred.. and someone who has experience with file formatting / pre-flighting. The ideal candidate will be knowledgable and creative and have the ability to provide a quick turnaround. Design Needs: - Brochures - Flyers - Social media posts - Other varied marketing materials - Bonus for Wordpress knowledga The primary goal of these materials will vary - from brand awareness to lead generation and sales promotion. Therefore, your ability to design with different objectives in mind is crucial. Ideal Skills: - Extensive experience in graphic design - Proficient in creating diverse marketing materials - Unde...

I'm looking for a lead generation expert who specializes in generating qualified leads on Instagram. My company offers services and we primarily need B2C leads. Key Responsibilities: - Develop and implement effective lead generation strategies specifically tailored for Instagram. - Identify and target potential B2C clients on the platform. - Generate and deliver a steady stream of qualified leads. Ideal Skills: - Proven experience in social media lead generation, particularly on Instagram. - Ability to identify and engage with potential B2C clients. - Strong understanding of lead qualification processes. Please share your portfolio and relevant experiences. Looking forward to your proposals.

I'm looking for a WordPress developer to create a blog for me using a pre-made theme. The primary focus will be on integrating essential functionalities, with SEO optimization being crucial to enhance the blog's visibility and reach. Key Requirements: - Proficiency in WordPress development - Experience in setting up blogs - SEO expertise to optimise the blog Skills and Experience: - Familiarity with various pre-made WordPress themes - Ability to integrate SEO tools and techniques - Previous work on WordPress blogs is a plus

We are seeking a highly skilled developer to focus on Solana smart contract development and backend integration for our cutting-edge blockchain project. This role involves finalizing smart contracts, integrating AI capabilities provided by the Eliza framework to interact with our web app's chat, and ensuring seamless backend functionality to support our decentralized application ecosystem. Key Responsibilities Blockchain Development Finalize and enhance smart contracts using Rust and Solana's Anchor framework. Leverage the existing sol-token-mill framework to utilize logarithmic bonding curves and other pre-implemented models that are not currently needed. Implement DAO governance mechanisms and secure voting systems, adjusting fee reduction for platfo...

I am seeking a skilled WordPress developer to assist in building my site. Ideal Skills and Experience: - Proficiency in WordPress development - Familiarity with various WordPress themes and plugins - Knowledge in SEO optimization and social media integration - Experience in creating custom contact forms - Strong understanding of e-commerce and portfolio site development. Please note, I have not yet determined the specific type of WordPress site I want to create, nor do I have a particular theme in mind. Recommendations and creative input would be greatly appreciated.

I'm looking for a seasoned full-stack developer to enhance my existing P2P currency exchange platform. The project involves improving the user interface, integrating advanced analytics and reporting capabilities, and adding support for more currencies. Specific tasks include: - User interface Improvements: While the specific areas of the UI requiring enhancements have not been pinpointed, a keen eye for usability and design will be beneficial. - Integrating Advanced Analytics and Reporting: This will involve implementing features for real-time transaction monitoring, customizable reports, and user activity tracking. - Expanding Currency Support: The platform needs to accommodate trading in additional currencies. Ideal candidates for this project should have a strong backgrou...

I'm looking for a full stack web developer who is also proficient in UI/UX design, with a primary focus on creating a "Modern & Minimalistic" styled website. Key Requirements: - Full Stack Development: We need a developer who can handle both the front-end and back-end of our website. - UI/UX Design: The candidate should have a solid understanding of user interface and user experience design principles. - Modern & Minimalistic Style: The design of the website should reflect a modern and minimalistic approach. - Responsive Design: The website must be able to adapt and function seamlessly on a variety of devices and screen sizes. This is an all-purpose website, intended for e-commerce, portfolio display, and blog/content hosting. Hence, ve...

Mobile App Developer on Platforms I am looking for an app developer for mobile phones. The app should be available on both iOS and Android platforms. The app is intended for productive or everyday use. What do I need? - App developer with experience in developing productive apps - Development capabilities on both platforms - If you have examples of work in Hebrew, that's even better Applications without examples will not be considered As mentioned, apps in Hebrew, an advantage

I am looking for a skilled React.js developer to work on my project. The CSS and HTML code have already been created and implemented. Your main task will be to integrate these designs into the project and develop the required React.js components to complete the functionality. Requirements: Proficiency in React.js Experience in integrating pre-built HTML and CSS code into React projects Strong understanding of front-end development principles Ability to write clean, efficient, and maintainable code Additional Details: This is a short-term project, but there may be future opportunities based on performance. Clear communication and timely updates are expected.

I'm looking for a seasoned developer with over 5 years of experience in React, Nextjs, and Vercel. The task involves enhancing an existing application by adding new features, improving the user interface, and optimizing performance. Key Responsibilities: - Enhance the current user interface for better usability and engagement (e.g., the chat and other functionalities). - Optimize the application's performance for speed and reliability. Ideal Skills: - Extensive experience with React and Nextjs. - Proficiency in using Vercel for deployments and performance monitoring. - Strong UI/UX design understanding. - Prior experience with implementing user authentication and real-time chat in applications.

I'm looking for a highly skilled web developer to help me build my website. The specifics are still being finalized, but the project will require a professional who is adaptable and can provide useful suggestions based on their industry knowledge. Key Skills: - Proficient in web development languages (HTML, CSS, JavaScript, etc.) - Experience with various platforms (WordPress, Shopify, Custom) - Excellent problem-solving skills - Strong communication skills Please note, I have not yet defined the website's purpose or features, so flexibility and proactive input will be highly valued.

In my company the arrival of the inventory to the warehouse is recorded manually in the attached excel file, in the tab "ARRIVO PRODOTTI". Each product is assigned a specific row. For each row the following columns are filled in: ARTICOLO (item code) DESCRIZIONE (item description) DATA PREVISTA (estimated availability date) I° REVISIONE DATA (first revised availability date) II° REVISIONE DATA (second revised availability date) III° REVISIONE DATA (third revised availability date) QTY (quantity) STATO (status) I would need a button for each row, next to the column STATO. The button, powered by a macro, when pushed should trigger an email to be sent to a list of internal recipients, with subject and text filled in with the values of the specific columns, as fol...

I'm looking for an experienced Shopify professional, who can both design and develop a top-notch e-commerce site for selling products. The website should be user-friendly, aesthetically pleasing, and optimized for conversions. Key Responsibilities: - Design and develop a Shopify website focused on product sales - Integrate essential features with a focus on seamless payment gateway implementation Essential Skills: - Extensive experience in Shopify design and development - Strong understanding of e-commerce best practices - Proficiency in implementing and troubleshooting payment gateways - Excellent communication skills for effective collaboration and updates The ideal candidate will have a portfolio of successful Shopify sites and can demonstrate a strong understandi...

I am seeking a freelance UI designer for a customer support-focused CRM software. The ideal candidate will possess a deep understanding of modern and minimalist design principles, ensuring the software is user-friendly yet sleek. The project entails: - Designing a desktop-centric UI that caters to customer support needs, with an emphasis on simplicity and efficiency. - Implementing a modern and minimalist aesthetic, balancing functionality with an uncluttered, stylish interface. Experience with UI design for software, particularly CRM or customer support tools, is highly preferred. Proficiency in design software and a keen eye for detail are essential for this role.

I have 24 HDD's which I want to configure as a single RAID 0 array. The configured RAID array should be mounted on the /home directory of my Linux system with ext4 file system. I'm looking for an expert in Linux and RAID configurations to assist with this task. - RAID Configuration: Single RAID 0 array for all 24 drives - File System: ext4 - Tools to Use: SOFT RAID (mdadm, LVM) Ideal skills and experience for this job include: - Proficient in Linux systems and file systems - Extensive experience with RAID configurations - Familiarity with SOFT RAID tools, specifically mdadm and LVM - Ability to mount and configure drives on specific directories - Knowledge of RAID 0 characteristics and performance implications

I am a business owner in need of a web developer based in the United Arab Emirates. I require assistance to create an account for my business on the website The primary objective of this project is to integrate Plivo's virtual phone numbers into my business website, which is modern and clean in design. Ideal skills and experience for the job include: - Proficiency in web development with a focus on business websites. - Experience with integrating third-party services like Plivo. - Ability to work with a modern and clean design aesthetic. - Good understanding of UAE's web development landscape. I look forward to receiving your bids.

We are developing a product that features a camera, a light, and control buttons. We need an experienced APP developer to create a fully functional companion stack APP for both Android and iOS platforms, with special attention to functionality for both single-user and two-user scenarios (one operating the device, another using the APP). In addition to developing the app’s core functionality, you will also be responsible for designing the user interface (UI), including buttons and graphics and helping to launch on the Apple and Google Play store and to provide updates as required to fix bugs and update app to work on future OS version releases. Candidate Requirements: - Proven experience developing Android & iOS apps. - Familiarity with WiFi-based device con...

I need a developer to create a web-based knitting simulation for my Verge3D project. The goal is to replicate a knitting animation similar to the one in this video: Key requirements: - The knitting effect needs to be applicable to any 3D model, as I will be using it on various clothing models. - The simulation should be integrated into Verge3D, which is based on Three.js. Ideal skills and experience: - Proficiency in and Verge3D is essential. - Previous experience in creating interactive 3D simulations will be highly regarded. - Understanding of clothing models and knitting mechanics would be a plus. Please note, I have skipped answering the interaction, model availability, and realism level questions

I'm looking for an experienced Ember/NodeJS developer to help me with an older project that requires some attention. The project needs some analytics updated/fixed/added. The issue seems to be with google and the cookie acceptance. Its not activating/deactivating the cookie tracking correctly when user selects and it is showing duplicates for some. IMPORTANT !!!!!!!!! - You will need Linux or OSX to build and/or view the ember serve. - The project only works with node 10.24.1 - The os requires the following packages: graphicsmagick python2 MORE IMPORTANT !!!!!!!! - Your bid is the amount based off what has been given above, please don't ask me the budget as this is posted in the project already. - This is not a project to try to learn your coding skills. Key Resp...

I'm seeking a skilled freelance Python developer for a short-term project. The primary task involves fixing bugs in our system. If the individual performs well, the project duration may extend. Key Responsibilities: - Identifying and fixing database-related bugs - Troubleshooting and resolving backend bugs Ideal Candidate: - Strong proficiency in Python - Experience with Python Libraries, Postgres, Django, Heroku, and AWS - Ability to deliver high-quality code within tight deadlines - Good problem-solving skills and attention to detail

I need an expert with installing Vicibox11 on a freshly setup cloud server. Ideal Skills: - Proficient in Vicibox11 installation - Experience with cloud server - Knowledgeable in server configuration Please note, the server is currently empty, hence, the freelancer will need to install the OS and configure the server from scratch.