Upwork home
Sign up
Secondary

Hire the best RSpec Specialists in the United States

Check out RSpec Specialists in the United States with the skills you need for your next job.
Get started
  • $80 hourly
    • 4.9/5
    • (8 jobs)
    ‪Mike is a full-stack Ruby on Rails developer based in Los Angeles.‬ ‪With 10 years in web development and 6+ years experience in Ruby on Rails, he worked as a lead engineer in several enterprise-level startups for the last a few years. He loves to work with backend and API while he's good in modern JavaScript libraries like React, Angular, and Vue.
    Featured Skill RSpec
    Vue.js
    Elixir
    AngularJS
    DevOps
    React Native
    React
    Ruby on Rails
    Heroku
    Docker
  • $50 hourly
    • 5.0/5
    • (4 jobs)
    Looking for a Javascript/Ruby ninja? Look no further. I am a Software Engineer by day and a Software Engineer by night. Everyday I work with the following technologies: Ruby, Ruby on Rails, GraphQL, RSpec, PostgreSQL, React, SCSS, Javascript, Typescript, Redux, Next.JS. I am an expert at building sites to look and function exactly like a mockup while also writing clean and maintainable code. I design REST APIs daily with Ruby on Rails and Node while using TDD.
    Featured Skill RSpec
    Testing
    RESTful API
    React
    Web Development
    JavaScript
    GraphQL
    HTML5
    CSS 3
    TypeScript
    Node.js
    Ruby
    Ruby on Rails
    Next.js
    PostgreSQL
    jQuery
  • $40 hourly
    • 5.0/5
    • (4 jobs)
    I am a Full-Stack Developer with 5+ years of experience in web and mobile application development. My expertise lies in building scalable and high-performance applications using Python, Ruby on Rails, and the MERN stack. A dedicated developer who crafts, builds, and flawlessly integrates high-performance applications 🚀 I focus on user-centric development, creating intuitive and responsive applications. My code is scalable and maintainable, following best practices for future-proof solutions. I thrive in Agile, collaborative environments, working closely with teams to deliver seamless solutions. With a problem-solving mindset, I resolve technical challenges and optimize performance. I specialize in seamless integrations and take end-to-end ownership, from ideation to deployment Tech Stack & Expertise: Frontend: React.js, Next.js, Redux Toolkit, Material UI, and TailwindCSS Backend: Python, Django, Ruby on Rails, RSpec, Node.js, and Express.js Databases: MySQL, NoSQL, PostgreSQL, MongoDB, and Redis Cloud Services: Docker, Kubernetes, AWS Lambda, EC2, and ECR Testing: Pytest and Capybara Payment Methods: Stripe, Paytm, PayPal, Square, and Amazon Pay Project Management: Jira, Slack, Trello, Git, GitHub, and Azure DevOps Looking for a dedicated developer who not only masters the technical aspects but also understands the broader impact on your business? Let's collaborate to turn your vision into a powerful, high-impact product. Lets Connect 🚀
    Featured Skill RSpec
    Flask
    Django
    Python
    Jenkins
    Mocha Framework
    JavaScript
    ExpressJS
    MERN Stack
    Node.js
    Ruby on Rails Stack
    Capybara
    React
    Ruby on Rails
    Ruby
  • $70 hourly
    • 5.0/5
    • (3 jobs)
    Highly experienced Senior JavaScript/Ruby on Rails developer with 8+ years of expertise in building scalable, efficient, and reliable web applications. Skilled in: - JavaScript (ES6+, React, Angular, Vue) - Ruby on Rails (RoR) framework - Database management (MySQL, PostgreSQL, MongoDB) - Agile development methodologies - Version control systems (Git, SVN) Proven track record of delivering high-quality solutions, leading teams, and collaborating with cross-functional teams to drive project success. Passionate about staying up-to-date with industry trends and emerging technologies.
    Featured Skill RSpec
    Heroku
    AWS Server Migration
    Remix
    Liquid
    Node.js
    React
    JavaScript
    Web Development
    Ruby
    TypeScript
    Golang
    MongoDB
    PostgreSQL
    Ruby on Rails
  • $80 hourly
    • 5.0/5
    • (1 job)
    I am a versatile web developer with a strong foundation in both back-end and front-end technologies. My expertise includes: • Django: Proficient in using Django for building secure and scalable web applications. • Ruby on Rails: Experienced in developing robust applications with Ruby on Rails. • React: Skilled in creating dynamic and responsive user interfaces with React. • JavaScript: Proficient in using JavaScript to develop interactive and efficient web applications. I am committed to delivering high-quality solutions and continuously enhancing my skills to stay updated with the latest industry trends. My goal is to contribute effectively to projects by leveraging my technical expertise and collaborative approach.
    Featured Skill RSpec
    Node.js
    Heroku
    PostgreSQL
    TypeScript
    Ruby
    JavaScript
    React
    Ruby on Rails
    Django
    Web Development
    Web Application
  • $117 hourly
    • 4.9/5
    • (33 jobs)
    My goal is a pragmatic one: I write reliable software, focusing on business value, the easiest way possible. Easiest doesn't necessarily mean fastest... it means pretty fast, with a very low (non-zero) bug count, easy to change, and to spec. I focus on solving business problems rather than building the "coolest toy ever" -- some people call that effectatious, but that's not really a word. In March of 2010, I was recognized by oDesk as one of their top web developers based on feedback scores. I don't have a 100% success rating. Not every client is a good fit, but usually we're able to discover that pretty quickly. More importantly, people have continued to pay me hourly for long enough that I have earned over half a million dollars just on Upwork. (Last count $512,212.49!) In February of 2011, I was interviewed by UpWork (when they were still known as oDesk) and was one of three "featured contractors." Apparently they don't do those articles anymore so they took it down but I can provide a link to the Internet Archive if you're interested. About my experience: I have worked on at least 7 enterprise-level applications in the medical, e-commerce, CMS, real estate and auction spaces. I have worked on probably a dozen smaller applications both for clients and personal use, and have released three open-source programs, all written in Ruby. In the course of building Rails websites, I often also work with javascript, AJAX and React. My style of development could easily be described as Agile, XP or TDD. I try to keep up on other up-to-date patterns, tools and random combinations of capitalized letters. In addition to Ruby and javascript, I have worked with at least 5 other languages and two other web frameworks. In terms of seeing whether we will be a fit, here are a few things I look for in a project / client: - I require challenging projects and the technical freedom to solve your problems. - I thrive on projects where clients describe business problems and we work together to find a way to mitigate or resolve them. Sometimes this means working with a UX/UI team. For internal-facing software, typically I'll work with my client to put together a simple UI and we don't focus on beauty. (the opposite being a deck of screen shots... if you have a deck of screen shots and you're committed to it, I have total respect for the hours you put into that, I wish you the best of luck, and we probably are not a fit. It's not that I _can't_ work with screen shots. However, I find that even the most thoughtful people haven't though through every possibility and can become too focused on "sticking to the plan.") - When working with geographically-disparate teams, I prefer small, well-qualified development teams (from 1 to 4 developers.) I am happy to bring in some other contractors if you're in the market. - I prefer to work on projects that clearly contribute business value to the organizations they support OR well-thought-out ideas for new products, rather than facebook apps, pet projects, or random experiments. Feel free to contact me with questions. Whether we work together or not, I wish you success and low bug counts on your project!
    Featured Skill RSpec
    Business Process Reengineering
    Test-Driven Development
    Business IT Alignment
    Agile Software Development
    RESTful Architecture
    Ruby
    MySQL
    Ruby on Rails
    AJAX
  • $60 hourly
    • 4.6/5
    • (13 jobs)
    I am a senior full stack software engineer, with an attention to detail and well tested, quality work. I have over a decade of Ruby on Rails experience and even more frontend experience. I excel at diagnosing and fixing bugs. Skills: - Ruby on Rails, RSpec, Sidekiq, Haml, Searchkick, GraphQL Ruby, Devise, Action Policy, Doorkeeper, OmniAuth, Ruby, RBS - HTML, CSS, SCSS, CORS, SVG - REST, GraphQL, OAuth - React, Hotwire, JQuery, Redux, Relay, Material UI - Stripe, S3, Sentry - Redis, PostgreSQL - Accessibility, Security, Internationalization, Performance, Responsive Design, Agile Development - Heroku, Docker, Git, CI, Linux System Administration
    Featured Skill RSpec
    Localization
    Web Accessibility
    Git
    Heroku
    GraphQL
    Material UI
    API Development
    PostgreSQL
    RESTful Architecture
    CSS
    JavaScript
    Ruby
    React
    Ruby on Rails
  • $75 hourly
    • 4.9/5
    • (64 jobs)
    Experienced on Ruby on Rails , Javascript , MySQL , PostgreSQL , Git , Bootstrap , Rspec , Cucumber , SCSS , CoffeeScript , jQuery , AJAX , JSON , XML , Spree E-Commerce , Heroku, AWS (EC2, S3, Beanstalk) , Google API (Drive, User Directory) , Facebook API , Backbone.js , API developing , Zurb Foundation , Responsive design , Payment Gateway: Authorize.net, PayPal, Stripe, Heartland, Trust, Amazon Pay
    Featured Skill RSpec
    Heroku
    Spree
    Cucumber
    Ruby on Rails
    JavaScript
    PostgreSQL
    Knockout.js
  • $55 hourly
    • 5.0/5
    • (22 jobs)
    I am a Ruby on Rails and Full-stack developer with over 5 years of experience. I've worked professionally as a Ruby on Rails software developer and full-stack developer for realtor.com, clippermagazine.com, and KarmaCRM Most of my professional experience is in backend development (Rails/PostgreSQL/MySQL) including writing tests (TDD/RSpec/Minitest). But I also have some professional experience with frontend development (JavaScript/Bootstrap, React/Redux/Thunk/Saga)/ Look forward to being of assistance to you and your projects. Thank you for your time and consideration!
    Featured Skill RSpec
    Ruby
    JavaScript
    Ruby on Rails
    SQL
    React
    Bootstrap
  • $30 hourly
    • 5.0/5
    • (2 jobs)
    I am a backend software developer proficient in problem solving skills who thrives on pushing technical boundaries and continually enhancing my skills. I am proficient in Ruby and Ruby on Rails and know how to work productively on a team of developers. I also know how to use version control tools like Github, deployment tools like Heroku and Render, and CI/CD tools like CircleCI. I am also in the process of learning Python.
    Featured Skill RSpec
    GraphQL
    HTML5
    CSS 3
    PostgreSQL
    Python
    Heroku
    CI/CD
    GitHub
    Ruby on Rails
    Ruby
    Office 365
    Data Entry
  • $28 hourly
    • 4.7/5
    • (14 jobs)
    Fullstack engineer specializing in rails and react. I also have experience working with spring boot and angular. I have also worked with flask.
    Featured Skill RSpec
    Heroku
    X86 Assembly Language
    JavaFX
    GitHub
    SCSS
    Visual Basic
    Git
    Bootstrap
    MySQL
    PostgreSQL
    React
    Java
    Ruby on Rails
  • $50 hourly
    • 0.0/5
    • (0 jobs)
    I am a developer with experience in automated testing and quality processes. I have experience in Ruby. I will fully manage your briefing from start to finish Regular communication let's go is very important to me, so keep in touch!
    Featured Skill RSpec
    Selenium
    Bitbucket
    Ruby
    COBOL
    Jira
    Scrum
    Cucumber
    Capybara
    Microsoft Office
    iOS
    Git
    Jenkins
  • $35 hourly
    • 0.0/5
    • (1 job)
    🏆 Front-end/Backend development: 𝐑𝐞𝐚𝐜𝐭𝐉𝐬, 𝐑𝐮𝐛𝐲 𝐨𝐧 𝐑𝐚𝐢𝐥𝐬 🥇 Ruby on Rails and its various frameworks such as 𝑯𝒐𝒕𝒘𝒊𝒓𝒆 and 𝑺𝒕𝒊𝒎𝒖𝒍𝒖𝒔 🚀 Next.js: Expertise in server-side rendering and building highly performant web applications 🌟 MUI: Proficient in creating modern, accessible, and responsive user interfaces with Material-UI 🤖 OpenAI API: Experience in integrating AI features, including natural language processing and custom AI solutions 📅 Feel free to hit "𝐈𝐍𝐕𝐈𝐓𝐄" Button. Available to start the work Immediately ✅ Figma to HTML, JS + CSS. ✅ Landing Page development coded from scratch using any design you recommend ✅ Bug fixing, client-side Javascript processing of API data ✅ Responsive website design in Rails, and/or React frameworks ✅ Fullstack development for ongoing web app development in Rails I am a passionate developer on a mission to craft intuitive and modern websites that are user-friendly and responsive. I have unwavering confidence in my ability to deliver exceptional work and am ready to work hard to meet expectations.
    Featured Skill RSpec
    Python
    Git
    Bootstrap
    JavaScript
    HTML
    CSS
    Software Development
    Ruby
    Ruby on Rails
  • $50 hourly
    • 0.0/5
    • (0 jobs)
    With over two decades of experience, I've have worked in every part of the software development life cycle from project planning to deployment. I have a passion for solving challenging problems, building clean software, and helping my team be happy and productive. Specialties: big picture thinking, analyzing requirements and problems, data modeling, researching technologies, web service design, agile development practices, project management
    Featured Skill RSpec
    Capybara
    Database Design
    SQL
    Agile Software Development
    Software Architecture & Design
    Distributed Computing
    Docker
    JavaScript
    CI/CD
    Terraform
    AWS CloudFormation
    Web Development
    REST API
    Ruby on Rails
  • $70 hourly
    • 0.0/5
    • (0 jobs)
    Seasoned full stack developer with 10+ years of hands-on experience building and deploying modern web applications. Skilled in JavaScript (React, Node.js) and Ruby on Rails, with a strong focus on performance, security, and user experience. Adept in DevOps workflows, including containerization (Docker), cloud services (AWS, Heroku), CI/CD pipelines (GitHub Actions, CircleCI), and infrastructure management using tools like Terraform and Ansible. Equally comfortable working across the stack—from architecting backend APIs to crafting responsive frontends—while ensuring smooth deployment and operations. Driven by a passion for elegant code, scalable systems, and meaningful collaboration.
    Featured Skill RSpec
    ExpressJS
    Next.js
    CI/CD
    DevOps
    Jest
    Ruby on Rails
    Node.js
    React
  • $80 hourly
    • 0.0/5
    • (0 jobs)
    Senior-level IT professional with extensive experience (15+ years) in Ruby development supporting a wide variety of business applications. Clarity and skills in managing projects and goals, highly skilled in objective-oriented programming with a deep technical skill, proven direct client relationship management. Agility to create and offer ideas on new and improved methods.
    Featured Skill RSpec
    Heroku
    Git
    MySQL
    PostgreSQL
    React
    Ruby on Rails
  • $40 hourly
    • 0.0/5
    • (1 job)
    As a Software Developer, I apply my skills and experience in web development and project management to deliver high-quality solutions for clients. I have 3.5+ years of experience in building and testing features using programming capabilities in Ruby, Rails, and JavaScript, TypeScript and React as needed. I also offer my skills and experience in business analysis, project management and and writing to help streamline your work and help you reach your goals.
    Featured Skill RSpec
    Content Management
    Content Writing
    Project Management
    WordPress
    Web Development
    Unit Testing
    TypeScript
    React
    Ruby on Rails
    Jira
  • $90 hourly
    • 0.0/5
    • (0 jobs)
    Business-oriented and dedicated Ruby on Rails & Java software engineer with 10 + years of experience. Always willing to learn some new technology or implement complex business logic in a simplistic manner. Interested in a back-end development position. And I am interested in TDD/BDD, scalability problems, performance optimization, and infrastructure automation for projects that are changing the world. - Ruby, Ruby on Rails, Ruby gems - Java, J2EE, JSE, Spring Framework(IoC, DI, Data, Security), MySQL, PostgreSQL, Tomcat, Resin, Groovy - Hibernate and JDBC, SOAP/REST web services, SQL, RDBMS - Testing: Rspec, Cucumber, Capybara, Jasmin - PostgreSQL, MySQL, MongoDB, DynamoDB - AWS (EC2, Lambda, DynamoDB, S3, etc), Heroku, Firebase - Apache, Nginx, Redis, Puma, Kafka, RabbitMQ - CircleCI, Docker
    Featured Skill RSpec
    J2EE
    Spring Framework
    Ruby on Rails
    Java
    PostgreSQL
    MySQL
  • $70 hourly
    • 0.0/5
    • (0 jobs)
    As a highly skilled and analytical developer, I always seek new ways to harness imagination, technology, and various solutions. With over a decade of experience as a developer and software engineer, I have an incredible knack for finding practical, elegant, user-centered solutions that drive business priorities. I provide myself on actively learning new technologies and methods and subscribing to agile and beneficial approaches to software development. I solve real-world problems with practical yet elegant user-centered solutions based on business priorities. I subscribe to agile, pair programming (where required), behavior-driven (BDD), DRY, progressive enhancement, and open-source approaches to software development. I'm a specialist in web development with experience delivering projects across various sectors (government, medical, pharmacology, retail, e-commerce, and sports betting, web agency).
    Featured Skill RSpec
    Heroku
    Amazon Web Services
    Ruby
    MySQL
    PostgreSQL
    Angular
    Ember.js
    Ruby on Rails
    React
    MongoDB
  • $30 hourly
    • 0.0/5
    • (0 jobs)
    I am a full stack developer experienced in building server-side and client-side applications. Whether you're launching a new product, improving an existing system, or automating processes, I can help you deliver results efficiently and effectively. JavaScript, React, Ruby on Rails, HTML5, CSS3 RESTful API design and integration SQL and database management Clean, responsive UI/UX design Test-driven development and Git-based workflows
    Featured Skill RSpec
    Critical Thinking Skills
    Full-Stack Development
    Front-End Development
    Back-End Development
    JavaScript
    CSS
    HTML
    Cypress
    React
    Ruby on Rails
    Ruby
    Communication Skills
  • $25 hourly
    • 0.0/5
    • (0 jobs)
    Full-stack developer with 10+ years of experience in software quality assurance and a strong foundation in modern web development. I specialize in building and maintaining reliable, scalable, and user-friendly web applications. I bring a QA engineer’s precision to every project—writing clean, tested code and catching edge cases before they become bugs. Whether you need a small fix, a new feature, or an entire application, I focus on delivering high-quality solutions that meet real user needs. Tech Skills: Frontend: React, JavaScript (ES6+), HTML5, CSS3 Backend: Ruby on Rails, Java Database: PostgreSQL, SQL Testing: TDD, RSpec, Cypress, Selenium Let’s work together to build something solid - on time and with confidence!
    Featured Skill RSpec
    SQL
    Selenium
    Cypress
    REST API
    React
    JavaScript
    Java
    Ruby on Rails
    Web Development
  • $45 hourly
    • 0.0/5
    • (0 jobs)
    I'm a Full Stack Developer with a strong foundation in Ruby on Rails, PostgreQSL, and real-world experience integrating Blockchain and AI technologies into production systems. Backend & Full Stack Expertise - Ruby on Rails (RESTful APIs, MVC, ActiveRecord) - PostgreSQL (indexes, complex queries, optimization) - Frontend support with HTML, Javascript, Bootstrap - Git, CI/CD pipelines, test-driven development (RSpec) Blockchain Development - Ethereum & EVM smart contract integration (Solidity, Web3.js, ethers.js) - WalletConnect, MetaMask, and Chainlink oracles - NFT minting platforms, toekn-based auth - Web3 + Rails/React full stack dApps AI & ML Integration - OpenAI GPT-4 / Claude / Gemini API integration into Saas tools - Building smart chatbots, AI assistants, and recommendation systems - Python & Ruby piplines for data analysis - AI-driven dynamic pricing or content generation systems I deliver clean, testable code and collaborate in agile, startup-style environments. Whether you're building a SaaS DeFi app or AI powered assistant, I can help you launch fast and scale right. 🗽 Based in the USA, fluent in English, timezone-aligned and available for real-time calls.
    Featured Skill RSpec
    Docker
    REST API
    CI/CD
    Heroku
    Stripe
    AI Chatbot
    OpenAI API
    Solidity
    Blockchain
    web3.js
    Smart Contract
    Back-End Development
    PostgreSQL
    Ruby on Rails
  • $45 hourly
    • 0.0/5
    • (0 jobs)
    I’m a developer with experience in building and maintaining Ruby on Rails applications and websites for a large R1 university. I’ve worked on a team that practices agile methodologies and supports varying technologies.
    Featured Skill RSpec
    CSS
    Bash
    Scrum
    Business Process Management
    JavaScript
    Ruby on Rails
    Ruby
  • $85 hourly
    • 0.0/5
    • (0 jobs)
    I'm a Full Stack Engineer with 5+ years of experience building fast, reliable, and maintainable web applications. I specialize in Ruby on Rails and React, and I've helped startups and small businesses: - Launch MVPs in weeks, not months - Build internal tools and dashboards - Add authentication, Stripe payments, or GraphQL APIs - Debug and modernize legacy codebases In addition to full-stack development, I also design and build fast, responsive static websites and landing pages using HTML, CSS, and JavaScript—with optional integrations like contact forms, email capture, and analytics. I bring a strong product mindset and clean coding practices, with deep experience in: - Ruby on Rails, React, GraphQL, PostgreSQL, JavaScript/TypeScript - Test-driven development (RSpec, Jest) - Scalable backend design and performance tuning Whether you need a quick fix, a new feature, or a full-stack MVP, I’m here to help you move fast—without breaking things. Languages & Tools: Ruby on Rails, React, Redux, GraphQL, PostgreSQL, MongoDB, Node.js, JavaScript, TypeScript, HTML, CSS, RSpec, Jest, AWS (incl. EB, S3, Polly, CloudWatch, Secrets Manager, EC2) and Git
    Featured Skill RSpec
    TypeScript
    JavaScript
    GraphQL
    Amazon Elastic Beanstalk
    Amazon Polly
    MVC Framework
    Amazon S3
    HTML5
    CSS 3
    jQuery
    React
    Node.js
    PostgreSQL
    Ruby on Rails
  • $15 hourly
    • 0.0/5
    • (1 job)
    WELCOME 👋 My name is Arnold. I have over 5 years of experience as a Full Stack developer, building software at development consultancies and startups. I recently graduated with a Bachelors of Computer Science from Lehman College. I craft software with respect to maintainability and I aim to turn over projects in better shape than I found it, with clear documentation and testing. I am obsessive about quality. Quality to me means, user defined error handling, proper logging, unit tests and proper documentation for processes that require setup to run. Message Me if you need: • A custom integration to be built • To solve a tricky bug in your application (Rails, Django, React) • To build a custom 3rd party application (Web or Mobile Responsive) 🛠️ SKILLS Languages: Ruby, Python, Typescript, Java, HTML, CSS Frameworks: Rails, Django, NextJS, Flask, Sinatra Databases: Postgres, MySQL, DynamoDB OS: MacOs, Docker I am passionate about delivering top-tier work that drive business success. Whether you're building a new product or need expert support to scale your platform, I’m here to help. Let’s discuss how I can bring value to your project—I’m excited to collaborate! 🚀
    Featured Skill RSpec
    TypeScript
    Git
    CSS
    HTML5
    Docker
    PostgreSQL
    Milestone MipSDK
    Java
    MySQL
    React
    Ruby
    Django
    Python
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Top cities for RSpec Specialists in the United States
Show more