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based on 4,636 client reviews
  • $40 hourly
    Hi, My name is Svetlana and I'm Google SketchUp Plugin Developer. I can help you with writing Sketchup plugins(extensions) on Ruby. With SketchUp plugins we can: - 3d-modelling of object - prepare export of models, PDFs, cad files for other programs, like Collada, AutoCad, etc - create and customise Dynamic components - customising Tool set I'm also have a lot experience with 3d/2d modelling in SketchUp. I love challenges, so anything innovative and creative is welcome, even if I have not done before, appreciate an opportunity to work for you.
    Featured Skill Ruby
    Unity
    Product Design
    3D Modeling
    Autodesk AutoCAD
    SketchUp
    Animation
    Illustration
  • $35 hourly
    Primary expertise includes: — Ruby on Rails development — Frontend: VueJs — jQuery/Javascript, CoffeeScript — HAML, CSS3 — Git — Search Libraries: Elastic Search, Sphinx — DB: Postgres, MYSQL, MongoDB — API development: RESTful APIs — Testing: RSpec & Capybara and have done TDD (Test Driven Development)/BDD (Behaviour Driven Development) on several projects. — Cloud hosting: Comfortable handling server setups & deployments and have experience working with dedicated servers, Amazon EC2, Heroku. — Methodology: Agile & Scrum/Kanban methodologies and great communication skills. I would love to help you build a state of the art web application just as much as I would enjoy working on existing or legacy projects (developing new features, updating technologies, or bringing best practices and testing into unstable or poorly structured code). If you have a project where you feel I can help out, please don't hesitate to get in touch!
    Featured Skill Ruby
    API
    DigitalOcean
    Amazon ECS
    PostgreSQL Programming
    Docker
    RESTful API
    Git
    MongoDB
    MySQL
    Ruby on Rails
    Vue.js
    JavaScript
    GraphQL
    jQuery
  • $30 hourly
    Sly is a team player and have an extensive experience on Software Development. He is eager to help start up companies / organization to launch and deploy their digital services or projects. His passion on developing web application is unconditional and willing to give his full effort to make the project usable and efficient. He loves writing code on Ruby language and integrate some great services to client projects.
    Featured Skill Ruby
    Ruby on Rails
    RESTful API
    API
    Web Design
    Web Development
    CSS
    HTML5
    CSS 3
    jQuery
    Git
  • $35 hourly
    Hello, I'm Ratnakar, a committed and independent full-time Ruby on Rails Developer on Upwork (Top Rated Plus). I am currently seeking long-term collaborations with clients. My experience includes working full-time with multiple global companies through Upwork from 2014. As a dedicated and Senior Ruby on Rails developer, my expertise encompasses a broad range of web development areas. This includes proficiency in front-end JavaScript and back-end Ruby, along with the development of comprehensive web platforms and APIs for mobile applications & front end applications, all utilizing the latest technologies. With more than 8 years in software development, I have successfully delivered a wide range of projects across various industries, consistently achieving client satisfaction and project objectives. Here are some key strengths that characterize my work: ✦ Ruby on Rails: MVC architecture, RESTful APIs, ActiveRecord, testing frameworks (RSpec) ✦ Database: PostgreSQL, MySQL, MongoDB ✦ Javascript, Jquery, React ✦ Hotwire Turbo, Stimulus ✦ Deployment: Heroku, AWS, Digital Ocean ✦ Docker, Portainer ✦ Sidekiq, Redis ✦ Shopify apps & extension development, Liquid Templates ✦ Third-party and RestFul API integration ✦ HTML, CSS ✦ Github, Bitbucket ✦ Jira, Trello, Pivotal, Clickup ✦ Sharetribe Marketplace Please feel free to reach out to me, and I would be delighted to discuss your requirements in detail.
    Featured Skill Ruby
    Heroku
    Sharetribe
    Elasticsearch
    GitHub
    Database Architecture
    Twilio API
    Redis
    Web Application
    JavaScript
    API Integration
    MySQL
    PostgreSQL
    React
    Ruby on Rails
  • $70 hourly
    Hello and welcome to "my world". ✅ About 11 years experience in web/mobile development ✅ Polite and responsible performer I am experienced developer with strong skills in building high load applications, REST APIs, SaaS applications, multi-tenant applications, background processing, deployment. I have about 11 years of wide-ranging experience in design and programming of web applications(also mobile and desktop apps), using different platforms, frameworks, technologies and storages. Using some tools for testing code and analyze it, such as RSpec, Rubocop, Reek. I'm good like both solo developer or a team player. I've created some projects from scratch, also have experience with supporting existing code base. Used different social API, using GIT. Prefer to communicate via email or Skype.
    Featured Skill Ruby
    Elm
    RSpec
    Elasticsearch
    SQL
    Ruby on Rails
    React
    HTML5
    JavaScript
    React Native
  • $40 hourly
    I have been developing commercial Ruby on Rails projects since 2017. I have started my career in graphic design and publishing where I have developed an eye for design and clean solutions. That experience helps me immensely in web development, to better understand what my customers are looking for. When writing code I adhere to two very basic rules: I always use git and I always write tests. This means that at the end of the day my projects run like clockwork. I always listen to my clients before making decisions and value their time by being upfront about my skills and competencies. I am a part of the Polcode team, a Polish software development company established in 2006 with over 150 developers, designers, project managers, DevOps and QA specialists onboard. This means that besides my programming skills you always have access to a full-stack product design & development team. My technical expertise: - Backend Ruby on Rails and API development - Frontend development with Rails, Vue.js, Hotwire, Stimulus - Database design and programming using PostgreSQL / MySQL - Server management and configuration: AWS, S3, DigitalOcean, Heroku - Server monitoring (Appsignal, DataDog) - Integration with popular APIs (Google, Amazon, Facebook, Twitter, Shopify, Stripe etc. ) - TDD / BDD - Unit and functional testing (RSpec, Minitest, Capybara, VCR) - web design and UX (Axure, Balsamiq, Zeplin, UXPin) My technology stack: - Backend: Ruby on Rails, MySQL, PostgreSQL, AWS, Heroku - Frontend: Javascript, jQuery, HTML, HAML, CSS, SASS, Bootstrap 3-5, Vue.js, Tailwind, Hotwire More about Polcode Polcode provides customized software solutions for startups, SaaS companies, eCommerce stores, and enterprise clients worldwide. From building the product from scratch to extending the existing teams, we have expertise in a diverse set of open source technologies and platforms to bring innovation in an agile fashion. Our team excels in PHP, Symfony, Laravel, Magento, Go, React Native, React.js, Vue.js, Ruby on Rails and Angular. With over 150 people, Polcode has either empowered client teams or delivered end-to-end development projects for brands from fintech, manufacturing, consulting, eCommerce, marketing or eLearning industries and is recognized as Top Developer in Poland by Clutch. Looking forward to our cooperation! Klaudia, Polcode Dev Team
    Featured Skill Ruby
    HAML
    Ruby on Rails
    Bootstrap
    MySQL
    jQuery
    RSpec
    Vuex
    Vue.js
    Git
    Graphic Design
    UX & UI
    JavaScript
    HTML
    CSS
  • $50 hourly
    FullStack Software Engineer with comprehensive knowledge in Web development and experience in building projects from scratch to success. Have strong expertise in Rails with 7+ years of active commercial practice. Skilled in maintaining applications with wide microservice infrastructure and making architecture solutions for small and big projects. Respect fully tested and well-documented code. Good communication skills and a capable team player.
    Featured Skill Ruby
    Docker
    PostgreSQL
    Amazon EC2
    CI/CD
    MongoDB
    AngularJS
    Kubernetes
    API
    Ruby on Rails
  • $120 hourly
    "An excellent experience. Sam quickly picks up on both the technical requirements of a job and also immediately contributes to the overall strategic analysis and goals. So valuable." - Tim, Cazenovia Software "Sam very quickly understood the context of my project, which has multiple moving parts/technologies/languages. He was able to advise on a clear way forward in a way that addressed my concerns and goals. Thanks Sam!" - Daniel, SimpleDiagrams "Sam was a very good communicator, he understood my requirements without too much direction and went above and beyond what was required of him to deliver a job very well done!" - Brad, Insure and Away I am a professional Ruby on Rails developer with over 15 years experience developing web applications on a variety of technologies and platforms. I have a strong focus on best practices, and test driven development (both front and back end). I prefer to get things done right the first time so you don't have to keep coming back to them. I enjoy working on challenging projects, and have experience in the following areas: - Testing (RSpec, Capybara, Cucumber, MiniTest, Teaspoon/Mocha) - Guard - ActiveRecord (prefer working with Arel, but I also have a lot of experience with SQL) - Devise, CanCan, Pundit - RailsAdmin, ActiveAdmin - Front end (many years experience working with JavaScript) - Heroku - DevOps (Vagrant, Puppet) - Linux - Deployment (Capistrano) Due to the many years experience I have with a large number of different technologies however, I can very quickly pick up new technologies. I would love to help you build a state of the art web application just as much as I would enjoy working on existing or legacy projects (developing new features, updating technologies, or bringing best practices and testing in to unstable or poorly structured code). English is my first language, and you can expect my communication to be prompt, polite and friendly. I will however not hesitate to speak out if I feel something is being done incorrectly, or can be improved upon. So if you have a project where you feel I can help out, please don't hesitate to get in touch!
    Featured Skill Ruby
    RSpec
    Test-Driven Development
    Ruby on Rails
    JavaScript
  • $70 hourly
    An Object Oriented programming, Software Engineering and Design Patterns lover. Experienced in Ruby On Rails programming, maintenance and DevOps. My skills and experience include: -Git -Always testing my code with RSpec and Capybara. -Cloud platforms like AWS, Heroku, Digital Ocean and Rackspace. -Databases: PostgreSQL, MongoDB, Redis, Memcached and MySQL. -Popular gems or libraries: Sidekiq, Devise, Shopify, Chargify, OAuth and Google Captcha. -Transactional email providers: Sendgrid and Mandrill. -Connecting to external APIs, designing and developing APIs. -Basic front-end: HTML, CSS, JS and Boostrap. -Management and configuration of GNU/Linux servers. -Kubernetes -Scrum Experienced Python developer. Basic knowledge of popular Data science and Machine Learning like Scikit-learn, pandas, Keras, NLTK, Numpy, and PySpark. Native Spanish speaker.
    Featured Skill Ruby
    Python
    Ruby on Rails
    Golang
    Kubernetes
    MongoDB
  • $30 hourly
    I’m a software developer with 5+ years of experience working for several kinds of industries. I currently work with Ruby on Rails Stack and related technologies building business web applications or products.
    Featured Skill Ruby
    Front-End Development
    Ubuntu
    Heroku
    Docker Compose
    RESTful API
    JavaScript
    Ruby on Rails
    PostgreSQL
    Docker
    MongoDB
  • $50 hourly
    I am a full-stack developer and software architect with in-depth knowledge of Ruby on Rails, AWS and relational databases. I have a unique ability of understanding and translating business requirements into development roadmaps. I have a strong background in secure coding practices combined with working with founders in fast-paced environments to create their software prototypes and MVPs.
    Featured Skill Ruby
    GraphQL
    Amazon
    API
    RSpec
    Elasticsearch
    Redis
    JavaScript
    PostgreSQL
    HTML
    CSS
    MySQL
    MongoDB
    Bootstrap
    Ruby on Rails
  • $40 hourly
    I've been working with well known clients such as VMware, Avaya and Alcatel-Lucent. I specialize in building web applications using Ruby on Rails framework. In development, I focus on delivering value for the business to target business goals while keeping code base simple, efficient and maintainable. I know how to organize development from client requirements to production deployment. I want to work on fresh startups and build web apps from scratch. And I'm looking for long-term relationships. My skills: — Ruby (Ruby on Rails, Sinatra, Grape) — ReactJS, AngularJS — DB: MySQL / PostgreSQL / Redis / Mongo — Cloud hosting: DigitalOcean / AWS / Heroku — API integration: Facebook, Twitter, Instagram, Braintree, Stripe and others If you are ready to get started just click the contact button and we will rock that party.
    Featured Skill Ruby
    MySQL Programming
    PostgreSQL Programming
    Ruby on Rails
    JavaScript
    CSS
    HTML5
    Docker
  • $35 hourly
    𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 - 𝗨𝗽𝘄𝗼𝗿𝗸 𝗥𝘂𝗯𝘆 𝗼𝗻 𝗥𝗮𝗶𝗹𝘀/𝗥𝗲𝗮𝗰𝘁 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 ⭐️ Senior developer (8+ years of experience) ✅ 7000 + hours on Upwork! ✅ Exceptional English Conversation skills ✅ 100% Client Recommendation ✅ 100% Quality The tech stack that I’ve extensive hands-on experience with: ✅𝗙𝗿𝗼𝗻𝘁-𝗲𝗻𝗱 React | Vue.js | Bootstrap | Tailwind CSS | JavaScript/jQuery | Stimulus | Turbo | Hotwired | UX/design SEO ✅𝗕𝗮𝗰𝗸-𝗲𝗻𝗱 Ruby on Rails | Rest API | GraphQL | Hotwire ✅𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 MySQL | MongoDB | PostgreSQL ✅𝗖𝗹𝗼𝘂𝗱 AWS | Heroku | Docker ✅𝗣𝗮𝘆𝗺𝗲𝗻𝘁 𝗚𝗮𝘁𝗲𝘄𝗮𝘆𝘀 Stripe | PayPal | Google APIs ✅𝗩𝗲𝗿𝘀𝗶𝗼𝗻 𝗖𝗼𝗻𝘁𝗿𝗼𝗹 GitHub | Git | Gitflow | GitLab ✅𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 Kanban | Scrum | Agile Whether you're a startup looking to kickstart your MVP, an enterprise needing custom solutions, or a business aiming to optimize your existing application, count on me to be your go-to collaborator. Together, let's turn your ideas into reality and propel your business forward. Feel free to reach out today to discuss your project requirements—𝗜'𝗺 𝗲𝗮𝗴𝗲𝗿 𝘁𝗼 𝗹𝗲𝗻𝗱 𝗮 𝗵𝗮𝗻𝗱 𝗮𝗻𝗱 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝗮𝗰𝗵𝗶𝗲𝘃𝗲 𝘆𝗼𝘂𝗿 𝗴𝗼𝗮𝗹𝘀.
    Featured Skill Ruby
    Node.js
    Database Design
    Sharetribe
    Stripe
    PostgreSQL Programming
    Website Security
    jQuery
    JavaScript
    MySQL
    HTML5
    React
    CSS 3
    Ruby on Rails
  • $60 hourly
    Hello everyone! I am a Senior developer specializing in ruby. I am a talented and reliable contractor with more than 14 years of working experience. I was taking part in development of various of projects - from simple cleaning service website to high loaded big data traffic exchange system. If you need quick help and count upon a high quality result, then I am the person you are looking for.
    Featured Skill Ruby
    Sphinx
    JavaScript
    Ruby on Rails
    jQuery
    Redis
    MongoDB
    HTML5
    PostgreSQL
    Backbone.js
  • $30 hourly
    My name is Kai. I'm a backend developer with 5 years with Ruby on Rails. My current position is the leader of the ruby team. I have experience with projects related to finance, CMS, productivity management, and more... I can also work with Javascript, Docker, AWS, Nodejs, Reactjs, Nextjs, Nestjs, Golang
    Featured Skill Ruby
    API
    Web Development
    CSS 3
    HTML5
    Node.js
    JavaScript
    HTML
    Ruby on Rails
  • $80 hourly
    👋 Hi! I am a seasoned full-stack developer with 12+ years of experience, specializing in Ruby on Rails, Laravel, Node.js, JavaScript, Ember, Svelte, Vue, and others. My superpower is building admin portals, dashboards, control panels, etc., especially in case of numerous data models with deep relationships. Also, I can help you if you need: 🔹rewrite an app built by vibe coders; 🔹figure out, maintain, and build new features on apps built by outsource teams; 🔹move out expensive SaaS to VPS; 🔹optimize bottlenecks in code architecture, DB queries, and network requests I prefer to work in small teams with close collaboration among all team members (owners, developers, designers, QA...). This helps me be maximally involved in the project, see the results of my efforts quickly, and do the work that really matters. I hope similar values ​​are important to you, too. I am an enthusiast in migrating from clouds to VPS servers to reduce ownership costs. I welcome the opportunity to discuss how I can make a meaningful impact. Please feel free to contact me here, and I would be delighted to schedule an interview at your convenience. I'm not associated with any agency. My timezone is UTC+4, so I have ~3 hours of overlap with US time zones, and full overlap with UK / EU timezone.
    Featured Skill Ruby
    Tailwind CSS
    MODX
    Web Accessibility
    Front-End Development
    API Development
    Vue.js
    JavaScript
    Node.js
    Laravel
    Ruby on Rails
    Svelte
    Ember.js
  • $20 hourly
    Enthusiastic Ruby on Rails developer experienced working with several successfully funded startups. I am a software developer with more than 6 years experience of commercial web and software development. Have full experience with building, maintaining, scaling web projects by using Ruby on Rails. It has been my privilege to work with big companies and startups. I have successfully developed robust web applications like in SaaS, E-commerce, Ads Managements, Education, Fitness, Recruitment etc. Backend Development: ----------------------------- - Ruby on Rails (Devise, CanCan, Paperclip, OmniAuth, Capistrano, etc.) - AWS, Heroku, Digital Ocean - Sharetribe Go, Shopify apps - Redis, Sidekiq, DelayedJob - MySQL, PostgreSQL, Firebase, Redis, MongoDB - REST API, APIs/OAuth Facebook, Twitter, Google, Instagram, Pinterest, Tumblr, etc. - Payment integrations: Stripe, PayPal, Braintree - Open source LLMs: Llama 2, Falcon, Mixtral, NeoX and more. - LLM development: prompt engineering, fine-tuning, deployment - Custom LLM-based software: LangChain, LlamaIndex, Python, FastAPI and Django Good knowledge of Gems, Git, design patterns, refactoring
    Featured Skill Ruby
    Shopify Apps
    API
    RSpec
    MySQL Programming
    PostgreSQL Programming
    Heroku
    Agile Software Development
    Ruby on Rails
    MySQL
    Redis
    MongoDB
  • $100 hourly
    Software Engineer | Full Stack Web Developer | Application Consultant I am a Senior Full-stack Web Developer, with over a decade of experience working with cutting-edge languages and programming techniques. I enjoy taking on challenging projects which require the use of the most advanced languages and development techniques. I am adept at innovative problem solving and developing high-quality code. I excel at web application development, including coordinating ground-up planning, programming, and implementation of the core modules. I am self-disciplined and able to work independently or as part of a cross-functional team. As an Upwork Freelancer, I have worked on a variety of projects for a wide range of clients, assisting them with their business needs by creating innovative and cutting-edge web applications. These include: • Developing several applications using Ruby on Rails and other software development tools • Collaborating with several organizations’ in-house software teams to create online applications and tools • Providing consulting services in addition to development services, assisting businesses to optimize the software applications and their online presence • Working on other Key Projects including AWS services, Heroku, Database (PostgreSQL) optimization, and Facebook API integration My Skills & Competencies Are: Ruby on Rails • PHP • GoLang • Project management • MySQL • PostgreSQL MongoDB • Docker • API Development • HTML • CSS • SDLC • Java Script jQuery • Agile Development • AWS • Payment Gateway Integration • Perl I have the following certifications CIW Web Development • CIW Web Design Specialist • CIW JavaScript Specialist CIW Database Design • CIW Perl Specialist • CIW Web Foundations CompTIA A+ • CompTIA Security+ • CompTIA Project+ • CompTIA Network+
    Featured Skill Ruby
    Web Development
    HTML
    PostgreSQL
    API Development
    Payment Gateway Integration
    Systems Development Life Cycle
    JavaScript
    Agile Software Development
    Ruby on Rails
    CSS
    Heroku
    Relational Database
    Amazon Web Services
  • $50 hourly
    I perform a myriad of freelance web work from my home in Minnesota. Which, is a place with fewer tech jobs than other states. So, I've had to resort to Craigslist to find jobs/gigs in New York, Miami, and Los Angeles. It has been a fun and rewarding challenge to acquire clients from these areas. I've worked with clients who simply needed Wordpress updates, start-up dreamers looking to make an entry, and quite a few well established companies looking to upgrade their systems. I look forward to meeting you, and your team. I love to materialize my skills at your benefit, and mine. I'm looking for new challenges to excite my future. Thank you for your time, Steven
    Featured Skill Ruby
    Database Administration
    Web Development
    Vue.js
    Ruby on Rails
    Flutter
    Ionic Framework
    NativeScript
    NGINX
    Marketing Strategy
    Computer Network
    LAN Administration
    JavaScript
    MongoDB
    WordPress
  • $40 hourly
    Dear Valued Clients, I am a certified Upwork Pro Software Developer, having 10+ years of experience in application development. I take pride in the high quality and completing work on time. I prefer Agile's method and always keep in touch with the employer. I have an experience in Ruby on Rails, CakePHP, YII, Laravel, and MEAN frameworks. I also worked with Apache Solr, Elastic Search, Facebook, Twitter and PayPal API, OAuth and other relative technologies. Such the experience has given me knowledge about building applications in the best possible way and I can select the best technology to suit your task perfectly. I worked on complicated enterprise systems alone and as part of a team. I prefer to use a task tracker (such as a PiovtalTracker, Jira, Zoho etc), regardless of whether I work alone or with a team, in order to keep in touch with a customer and to be flexible regarding any situation that may come up.
    Featured Skill Ruby
    Node.js
    PostgreSQL Programming
    React
    MySQL Programming
    Artificial Intelligence
    Bot Development
    MEAN Stack Administration
    Ruby on Rails
    MongoDB
  • $21 hourly
    💎 Top Rated Plus 🏆 $300k + earned ✅ Shopify Plus Developer 👌 1000+ Happy clients. Do you want to work with the Best SHOPIFY DEVELOPER ON UPWORK? The guy who helped 1000+ customers grow their business online. The #1 Shopify expert on upwork, who has over a decade of website industry experience. Simply invite me to your job and I will be happy to handle your every IT requirement. 𝗪𝗵𝘆 𝗰𝗵𝗼𝗼𝘀𝗲 𝗺𝗲? 🔥 Among the top 1% of Shopify Developers on Upwork 🏆 "TOP RATED" Upwork freelancer, boasting over 12,000 hours and $300K in earning ⭐ Successfully delivered 450+ 5-star projects 🌐 Experience with 3,000+ Shopify stores ✅ Certified Shopify Developer, Designer, and Partner ⏳ Over 13 years of expertise in Shopify 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗶𝗻 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 𝗪𝗲𝗯 𝗗𝗲𝘀𝗶𝗴𝗻 𝗮𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 (𝗘-𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀): ✅ Shopify Store and Development: ➳ Shopify store setup and development ➳ Responsive design for all devices ➳ Shopify 2.0 page building using apps like PageFly and GemPages ✅ E-commerce Performance and User Experience: ➳ Performance and speed optimization ➳ Enhanced user experience for e-commerce stores ➳ Experience with Shopify apps such as Oberlo, Dsers, Dropified, and Spocket ✅ Design and Customization: ➳ Designing Shopify stores using Figma and Adobe Photoshop ➳ Creating custom Shopify themes ➳ Shopify store development from PSD/Figma/Adobe XD to theme conversion ➳ Shopify theme customization ✅ Advanced Shopify Solutions: ➳ Shopify Plus and responsive web design ➳ Performance enhancement for Shopify stores ➳ Graphic and logo design ➳ Crafting product descriptions with GIFs and images ✅ Shopify Partner and Related Services: ➳ Shopify partner with expertise in Shopify 2.0 ➳ Shopify app integration and customization ➳ Liquid code development ➳ Shopify migration and store setup ➳ Full Shopify website and store creation from scratch By leveraging my extensive experience and deep understanding of the Shopify platform as a dedicated Shopify Developer, I aim to deliver top-notch solutions that not only meet but exceed your expectations. Let's schedule a quick 10-minute consultation call to explore opportunities together. I'm eager to connect with you. Thank you. Shopify Designer | Shopify Experts | Shopify Developer | Shopify Store | Shopify Design | Shopify Figma | Ecommerce Web Development I Shopify Web Design Shopify E-commerce Solutions, Shopify Digital Storefront, Shopify Website Customization, Shopify Shopping Experience, Shopify Theme Customization, Shopify Plugin Development, Shopify Plus Features, Shopify Lite Features, Shopify Payment Solutions, Shopify Development Experts, Shopify API Integration, Shopify App Marketplace, Shopify Partner Network, Custom Shopify Themes, Shopify SEO Services, Shopify Platform Integration, Shopify Payment Gateways, Shopify Script Development, Shopify Checkout Process, Shopify Fulfillment Solutions, Shopify Scripting Language, Shopify Liquid Template Language, Shopify API Solutions, Shopify Store Migration Services, Shopify Security Features, Shopify Analytics Tools, Shopify SEO Optimization, Shopify Blogging Platform, Shopify Store Design Services, Shopify Development Services, Shopify Store Optimization Services, Shopify Multi-Channel Integration, Shopify Email Campaigns, Shopify Subscription Services, Shopify Inventory Tools, Shopify Mobile Solutions, Shopify Store Setup Services, Shopify Store Management Tools, Shopify Product Management Tools, Shopify Website Performance, Shopify Shipping Solutions, Shopify Social Media Integration, Shopify Dropshipping Solutions, Shopify Store Templates Design, Shopify Checkout Process Optimization, Shopify Abandoned Cart Solutions, Shopify Order Management System, Shopify Customer Service Tools, Shopify Migration Services, Shopify Inventory Synchronization, Shopify Sales Channel Integration, Shopify Speed Optimization, Shopify Affiliate Tools, Shopify Buy Button Integration, Shopify Security Measures, Custom Shopify Development Services, Shopify Theme Design Services, Shopify Mobile Optimization Services, Shopify Subscription Tools, Shopify Discount Code Solutions, Shopify Store Performance Optimization, Shopify Digital Product Sales, Shopify Wholesale Solutions, Shopify Business Strategies, Shopify Online Learning, Shopify Payment Integration Solutions, Shopify Payment Processing Services, Shopify Tax Solutions, Shopify International Market Integration, Shopify Localization Services, Shopify Translation Services, Shopify Multi-Currency Solutions, Shopify GDPR Compliance Tools, Shopify Customer Feedback Tools, Shopify Product Recommendation Engine, Shopify Store Upgrade Services, Shopify Store Redesign
    Featured Skill Ruby
    WooCommerce
    Magento
    Shopify
    PSD to HTML
    Payment Gateway Integration
    jQuery
    HTML5
    CSS 3
    Bootstrap
    WordPress
    Python
  • $75 hourly
    I am a senior Ruby on Rails developer. I've been working with Rails for 12 years. I also bring several years experience building data warehouses and ETL processes so I also bring that data storage/processing/retrieval performance optimization perspective when building web applications. I'm comfortable working on the front end. I can work with traditional monolith Rails projects, or build UIs using React or Vue. I also have some devops skills and can get you set up with cloud hosting via Heroku, DigitialOcean or AWS (ECS, EC2 auto-scaling groups) and can get your application running on docker for easy developer on-boarding or deployment.
    Featured Skill Ruby
    Twitter/X Bootstrap
    Business Intelligence
    MySQL
    Vue.js
    Python
    CSS 3
    Ruby on Rails
    JavaScript
    React
  • $60 hourly
    With over 15 years of experience in web development, I specialize in Ruby and Ruby on Rails, proficiently handling the full spectrum of related technologies while boasting a strong background in front-end development. My career has encompassed diverse roles, including senior developer, tech lead, team lead, and software architect, allowing me to excel both independently and in collaborative settings. Throughout my journey, I've crafted a wide array of digital solutions, spanning from conventional websites to intricate marketplaces, dynamic social networks, and complex CRM systems. My expertise extends to crafting command-line applications, background services, and web crawlers, among other innovative projects. Furthermore, my team and I have achieved remarkable success in developing hybrid and native mobile applications using Ionic, Angular, and React Native, consistently earning near-perfect ratings in app stores. In addition to my development prowess, I take ownership of DevOps responsibilities, managing infrastructure, overseeing deployments, fortifying security measures, implementing robust backup strategies, and ensuring the overall reliability of systems. I'm well-versed in infrastructure management tools like Chef. Over the years, I've built and nurtured a team of highly skilled and talented engineers. Together, we tackle a wide array of projects on a global scale, delivering exceptional results and value to our clients.
    Featured Skill Ruby
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    API
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  • $29 hourly
    I have more than 11 years of experience in RoR programming. Searching for interesting and challenging projects I can work on, to apply my skills and gain great experience. I'm a full-stack developer, which means that I'm strong both on backend and frontend. And I can help to bring your brilliant idea to the world!
    Featured Skill Ruby
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    Have worked as a senior engineer with expertise in Shopify, Python, PHP and Ruby on rails. Have developed the frontend and backend such as ecommerce, web stores, management systems, etc.,, and integrated the APIs as well. Have analyzed the websites and developed the scripts and systems for Web Scraping. ✅ Extensive experience: - Ecommerce: Shopify, Squarespace, Webflow, UScreen, CraftCMS, Wordpress, Codeigniter, Laravel, Adobe ColdFusion - Frontend: Shopify, Ruby on Rails, Laravel, Codeigniter, Wordpress, Vue.JS - Backend: Ruby on Rails, PHP, FastAPI, Flask, Django - Automation: Make.com, n8n, Zapier - CRM: Hubspot, Airtable, Salesforce, Perfex CRM - AI: Azure AI, Open AI - Cloud: GCP, Heroku, Fly.io
    Featured Skill Ruby
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    10+ years of total experience in web development with Ruby-based frameworks. Solve business problems with the right tools, have experience and good expertise in both well tested and cutting edge technologies in software development. Expert in Ruby and its ecosystem. Apply the right architecture for projects and find better solutions for Ruby and Rails applications. Love SOLID, DD and OO-patterns. Skills: * Ruby, Rails, Sinatra, Hanami, Grape, background processing, caching * PostgreSQL, MySQL, MongoDB, RethinkDB, Elasticsearch, Redis * Frontend: HTML/CSS, Javascript/Coffescript, React * TDD, rspec, minitest, capybara, watir, cucumber, jest, mocha * Linux, Docker, CI & CD integrations Code review, GIT and Pull Request flow expert.
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    I'm a senior web developer, team lead and architect with 20 years of experience in building web applications for a wide range of markets and niches. SOFT SKILLS - organizing agile process - building wireframes - database architecture - building effective teams - understanding non-technical people TECHNOLOGIES - Ruby on Rails - PostgreSQL, MySQL, Neo4j, Elasticsearch - JavaScript, Stimulus, Turbo.js, Vue.js - Linux System Administration, AWS, Heroku, Docker - HTML5, CSS, Tailwind Get in touch if you have an idea for a project.
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    Elasticsearch
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How to Hire Top Ruby Developers

How to hire Ruby developers

From websites and domain-specific languages (DSLs) to desktop applications and IoT devices, a Ruby developer has the back-end programming expertise to bring your software projects to life.

So how do you hire Ruby developers? What follows are some tips for finding top Ruby development consultants on Upwork.

How to shortlist Ruby development professionals

As you’re browsing available Ruby development consultants, it can be helpful to develop a shortlist of the professionals you may want to interview. You can screen profiles on criteria such as:

  • Technology fit. Whether it’s mruby for IoT or Ruby on Rails for web development, you want a Ruby developer who is familiar with the type of software you’re trying to build.
  • Test-driven development (TDD). The best way to avoid pitfalls on launch day is to test frequently during development and gain feedback from end users.
  • Feedback. Check reviews from past clients for glowing testimonials or red flags that can tell you what it’s like to work with a particular Ruby developer.

How to write an effective Ruby development job post

With a clear picture of your ideal Ruby developer in mind, it’s time to write that job post. Although you don’t need a full job description as you would when hiring an employee, aim to provide enough detail for a contractor to know if they’re the right fit for the project.

Job post title

Create a simple title that describes exactly what you’re looking for. The idea is to target the keywords that your ideal candidate is likely to type into a job search bar to find your project. Here are some sample Ruby job post titles:

  • Back-end developer needed with Ruby on Rails experience
  • Full-stack Ruby on Rails developer needed.
  • Ruby programmer needed to build a domain-specific language (DSL)

Ruby project description

An effective Ruby job post should include:

  • Scope of work: From MVPs (minimum viable products) to full-featured SPAs (single-page applications), list all the deliverables you’ll need.
  • Project length: Your job post should indicate whether this is a smaller or larger project.
  • Background: If you prefer experience with certain industries, software, or developer tools, mention this here.
  • Budget: Set a budget and note your preference for hourly rates vs. fixed-price contracts.

Ruby developer job responsibilities

Here are some examples of Ruby developer job responsibilities:

  • Translate technical requirements and UI/UX designs into code
  • Integrate UI to a Ruby on Rails back end
  • Handle database design and business logic layer of an application
  • Build, test, deploy, and maintain a Ruby-powered application

Ruby developer requirements and qualifications

Be sure to include any requirements and qualifications you’re looking for in a Ruby developer. Here are some examples:

  • Ruby programming language
  • mruby for embedded systems such as IoT devices
  • Ruby on Rails for back-end web development
  • RESTful services, APIs, and third-party library integrations
  • Experience running unit tests
  • Version control systems such as GitHub

Ruby Developers FAQ

What is Ruby?

Ruby, along with its framework, Ruby on Rails (“Rails”), is an incredibly efficient, high-level back-end programming language—a big draw for start-ups and small development teams that need to get complex, heavy-traffic applications up and running in a short time. Rails lightens the workload for developers with a library of “gems”—prepackaged code that streamlines development in a big way.

But what really sets Ruby apart—especially when stacked up against its biggest competitor, Python–is “programmer happiness.” Ruby is attracting lots of developers who prefer its elegant “do more with less” philosophy—and these developers are in demand.

How much does it cost to hire a Ruby developer?

The first step to determining the cost to hire a Ruby developer will be to define your needs. Rates can vary due to many factors, including expertise and experience, location, and market conditions. Learn about the cost to hire Ruby developers.

Common Ruby developer mistakes

Overusing method_missing: Nobody likes repetitive code, and metaprogramming with method_missing is one of those guilty pleasure catchalls we like to throw into our code to avoid errors at runtime and just make it work.

Need to allow one class to quickly use the methods available in another class?

Use method_missing.

Have numerous methods but don’t want to name them all explicitly?

Use method_missing.

Need to build lots of methods that are virtually identical except for a few slight differences?

Use method_missing.

There’s just one problem with method_missing: It’s slow. Every time you call method_missing, the Ruby runtime must climb up your class chain hierarchy to find the method that actually does the heavy lifting that allows your code to work. Most benchmark tests show that method_missing is significantly slower at runtime than if you were to use plain old Ruby methods. A faster metaprogramming tool for the example cases above is define_method, which allows you to dynamically define methods that load when your classes are loaded.

So when should method_missing be used? When you’re dealing with dynamically named methods based on a pattern and you can’t reasonably expect to be able to predict all the possible method name combinations. Ruby’s own Active Record dynamic finders are probably the best example of this. For example, if you wanted to find a user by email from a large data set of users, and your user has an email attribute, you could use User.find_by_email(‘john.doe@example.com’) even though you never explicitly defined that method under the User or ActiveRecord::Base classes.

Relying too heavily on gems: Every new Rails developer reaches a certain point in their careers where they fall prey to the siren song of the RubyGems repository. And how can you resist? Ruby’s extensive catalog of gems is supported by a vibrant open-source community. Need help with authentication? Try Devise. What about authorization? CanCanCan’s got you covered. If there’s a task that you need help with, chances are good that there’s a gem for that.

Unfortunately, as with all other things in life, it’s possible to have too much of a good thing. As powerful as gems are, there comes a point where you’ll begin to notice a trade-off between programmer productivity and performance with every new gem. Too many gems can slow down performance, drain resources, and make tests take longer.

A bloated Gemfile can become a nesting ground for future application-breaking bugs. Higher-quality gems try to minimize dependencies as much as possible, but if you aren’t careful you could find yourself managing hundreds of gems. At that point, whatever productivity you gained from having to write less code is eaten up in managing dependencies, chasing hidden bugs, and keeping your application up-to-date.

What’s the solution? Moderation. Before you download a gem, ask yourself whether you can justify its use of resources and whether you need all the functionality that it has to offer. Being selective about your gems can help keep your application lean.

Application logic seeps into the view: Ruby on Rails follows the MVC (model-view-controller) pattern, where the model is responsible for data, the view is the visual representation of that data, and the controller forms the bridge between the two. The goal of this pattern is to decouple the major roles of an application in order to promote efficient code reuse and allow parallel development. Realizing that goal becomes difficult when you start to deviate from those roles.

Views should be concerned only with visual representation. However, it can be tempting to sneak application logic into your ERB templates like so:

<h2>
Congratulations
<% if winning_player %>
<%= winning_player.name %>
<% else %>
Contestant
<% end %>
</h2>

Not only can the inefficiency of placing application logic into individual views lead to repeating code, but managing a large jumble of Ruby and HTML code can make maintenance more difficult as your application scales. It is far better to encapsulate that logic into a reusable helper function, presenter, or decorator.

Taking “fat model skinny controller” too far: Controllers do a lot of things, from session handling to rendering and redirecting—but it basically boils down to a middleman between the model and the view, receiving requests and providing the appropriate output. By default, the controller already has a lot on its plate. To prevent the temptation of stuffing model or view logic in the controller, the “fat model skinny controller” principle was born. Problem solved, right?

Not really. Now the problem of bloat has just been moved to the model. Every model should correspond to a data table in the database. The model’s corresponding data table should be its single responsibility. In a bid to keep views and controllers lean, it can be tempting to toss anything that doesn’t quite fit into the MVC paradigm into the model. It turns out that many of the maintenance issues that plague bloated views and controllers also extend to the model. The solution is to use POROs (plain old Ruby objects) to encapsulate things that don’t quite fit in any of the MVC categories.

Leaving your code vulnerable to SQL injection: It’s one of the oldest tricks in the hacker playbook—SQL injection, which involves taking advantage of user input fields to gain direct access to a SQL database. In Rails, this vulnerability is found where user input is required (for instance, typing in a search field) to query data from a database. The traditional approach to handling a query for a username would look something like this:

user.find_by(name: params [:name])

This approach is vulnerable to SQL injection. Fortunately, in Rails we have Active Record dynamic attribute-based finders, which work as parameterized queries that can properly handle the passed argument, avoiding SQL injection.

user.find_by_name(name)

Besides using dynamic finders, it helps to only accept and construct values from external inputs such as search queries and forms. Never construct SQL commands like INSERT and DELETE, and don’t send untrusted inputs to methods in the Active Record library that accept raw SQL queries, table names, or columns.

Tips and best practices

Take advantage of the Ruby developer community

Ruby may not be the most popular back-end scripting language, but those who use it love it. Ruby was created with programmer happiness in mind, something that is readily apparent when you look at Ruby’s huge library of gems—ready-to-use solutions for common software development problems. If you need to rapidly prototype a project, you can virtually assemble an app from gems and boilerplate code in a snap.

Use symbols instead of strings in hashes

Ruby has a special data type called a symbol for storing the name of a variable that does not have to be changed. Symbols are prefixed with a colon denoted like so, :symbol. Unlike strings, which are mutable, symbols are immutable and take up only one spot in memory.

Immutability is perfect for hashes because you don’t want your hash keys to change. Hashes are similar to arrays, except they can use any object as an index.

shopping_list = { :cinnamon => 1, :butter=> 2, :soda => 6}

Symbols are also more space efficient than strings, as setting multiple variables equal to the same symbol will access the same spot in memory.

Test your code often

Test-driven development famously takes a test-first and code-later approach to software development that looks something like this:

  • Red: write a test for a software feature that fails
  • Green: write the minimum code needed to pass the test
  • Refactor: rewrite your passing code to best practices

Unless you already practice TDD, it may seem difficult to see regular software testing as anything more than a necessary evil to catch as many bugs as you can before you push to production.

Thankfully, Ruby tries to make TDD easier by giving you everything you need to practice it within its standard library: minitest/unit and test/unit. Between these two testing frameworks you should be able to get into the habit of writing safer code by regularly creating unit tests. Once you get comfortable writing unit tests, practicing TDD in its entirety isn’t so daunting.

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