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Freelance RubyGems Developer - Carlos Aguilar
Freelance RubyGems Developer4.9 (66 reviews)

I am a Mobile and Web Developer with expertise in Django, Rails and many more technologies. I love challenging projects and learning new things. in 2014, I was the Lead Developer for a realtime Django project with Pythonic implementations of [socket.io](http://socket.io/), postgresql, and angular.js. I currently own the web and mobile development agency https://tecmanic.com, where we distribute flutter pre-made applications and design from scatch applications for our clients. I also have experience with other tools like fabric, capistrano, chef and all system administration tasks.

Freelance RubyGems Developer - Matheus Acosta Martins
Freelance RubyGems Developer5.0 (1 reviews)

I’m a dedicated software engineer with 5+ years of experience, specializing in Ruby and Rails development. My primary focus has been building and optimizing payments and financial systems, ensuring robust, scalable, and secure solutions for complex transactional workflows. Beyond Rails, I’ve worked with JavaScript, Golang, Elixir, Python, and other technologies, giving me a broad technical foundation to approach diverse challenges. I’m also skilled in implementing CI/CD pipelines, leveraging Docker, and automating workflows with GitHub Actions to streamline development and deployment processes. In addition to my industry experience, I’ve served as a university IOT teacher, combining my technical expertise with a passion for teaching. Whether it’s debugging code, designing architecture for financial systems, or mastering best practices, I enjoy mentoring developers and empowering them to succeed. Let’s collaborate to solve your coding challenges and elevate your projects to the next level!

Freelance RubyGems Developer - Joey Burzynski
Freelance RubyGems Developer5.0 (10 reviews)

I drive revenue. All other metrics pale in comparison. Be it billion dollar brands or startups, I've spent the last two decades architecting technology solutions and innovative search marketing strategies (domestic & international) for e-commerce. I believe in the power of 'what if?'; leveraging hybrid expertise in search engine optimization (SEO), web development, e-commerce, and digital strategy to achieve extraordinary results. My core competencies include search engine optimization (SEO), search marketing strategy, data wrangling (NLP/computational ontologies), and e-commerce marketing automation. As founder and CTO of MarketKarma, I oversee organic search strategy for all enterprise accounts and work to create innovative solutions to assist retailers in tackling their online marketing challenges. I work with brands like.. Ace Cash Express, Athleta, Banana Republic, Blackhawk Network, Blockbuster, Buckle, CheapCaribbean, CheckPast, DashFly, Diesel, DistroMex, Ebates, Eddie Bauer, Fossil, GUESS, Gap, GiftCardMall, Gold's Gym, Horchow, JCPenney, Livingston Lures, Marciano, Mavis Tire, Mavor Lane, Old Navy, Orbitz, Oriental Trading Company, PacSun, Piperlime, Red Envelope, Ritter Dental, SPFM LP, Sacha Cosmetics, ShearComfort, Smart Bargains, Swanson Health, Williams-Sonoma Connect with me @: Email: joey@marketkarma.com Call: (888) 277-0225 Web: https://www.marketkarma.com Social: https://joeyburzynski.dev Connect: https://calendarhero.to/JoeyBurzynski AngelList: https://angel.co/u/joeyburzynski CoderRank: https://profile.codersrank.io/user/joeyburzynski CodePen: https://codepen.io/JoeyBurzynski Quora: https://www.quora.com/profile/Joey-Burzynski Quora Spaces: https://optimization.quora.com/ LinkedIn: https://www.linkedin.com/in/miamibeachseo/ Fast Company: https://board.fastcompany.com/profile/Joey-Burzynski-Founder-CTO-MarketKarma/12629614-d0b7-4a8c-8076-5be2166473a0 Forbes: https://profiles.forbes.com/members/tech/profile/Joey-Burzynski-Founder-CTO-MarketKarma/72b6886c-bd96-4988-ad8b-14287a291009 GitHub: https://github.com/JoeyBurzynski Gist: https://gist.github.com/JoeyBurzynski Google: https://g.dev/EcommerceSEOExpert LinkTree: https://linktr.ee/joeyburzynski Medium: https://medium.com/@joeyburzynski ORCID: https://orcid.org/0000-0002-7448-8294 StackOverflow: https://stackoverflow.com/users/3767344/joeyburzynski Twitter: https://twitter.com/JoeyBurzynski

RubyGemsSEOMarketing AutomationTechnical SEOSEO AnalysisDigital marketingJavaScriptRubyNLPJSON-LDMongoDBRedisGitDigitalOceanUbuntuWebpackNode.jsNginxGoogle Search ConsoleGoogle AnalyticsHTML/CSSMagentoMagento 2Amazon S3AWS CloudFrontShellGoETLReactMentoringGrowth hackingWordPressE-commerceSEMGoogle AdSenseAnalyticsData warehousePayment gatewayMagento E-CommerceWooCommerceBigCommerceWixShopifyMagento 1.9MySQLPHPComposerContent managementCMSFront-EndLiquid layoutLiquidDeployment automationWeb ApplicationConfiguration managementSSL CertificateWebserversLetsencryptContainersLinux System AdministrationLinuxCronSystem AdministrationUbuntu 16.04Continuous DeploymentContinuous IntegrationVersion controlGitLabGit pullrequestsGit branchGitHubRuby on RailsBundlerRbenvNokogiriParallel ProcessingPandasTranslationNltkPythonMachine learningArtificial Neural NetworksNeural NetworksData VisualizationNoSQLLuaData analyticsData analysisData structureDatabase AdministrationDatabaseMongooseWeb ServiceWeb ScrapingWeb DevelopmentWeb DesignReactive ProgrammingReact RouterData ScienceStrategyLean StartupCodingInterview PreparationGrowth MarketingGoogle Tag ManagerInternational seoStructured DataMetaKeyword optimizationYoastKeyword ResearchOff-Page SEOTechnical MarketingBingWordpress seoPPCSchema markupContent marketingGrowth StrategiesSearch Engine MarketingSocial media marketingMeta tagsSsrNuxt.jsNext.jsSEO HacksMetadataMarkupJSONSchema.orgSchemaBashWeb ComponentsServer AdministrationVolumesDropletOntologyOrganic search marketingOrganic trafficFaceted searchLink buildingData modelingReduxWebsite migrationEs6BlogsCacheModellingUbuntu 14Search algorithmsPerformance OptimizationPayment systemsNoSQL DatabaseGoogle apisGit flowExpress.jsData parsingBack-EndApplication DeploymentVue.jsAWSServerless+156
Freelance RubyGems Developer - K M Rakibul Islam
Freelance RubyGems Developer5.0 (2543 reviews)
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Experienced (18+ years) developer and friendly Ruby on Rails and React/Next.js/Redux Developer/Mentor (with passion for helping others learn) | ★ 3,640+ 5 ★ sessions/jobs. 9+ years on top of the Codementor Ranking ★ https://www.codementor.io/ruby-on-rails-experts I am a Senior Software Engineer from Toronto, currently working as a Ruby on Rails and React/Redux Developer at theScore Inc. I am passionate about helping and mentoring people, especially those who are new to web development and the programming world. I am specialized in explaining the core concepts of Ruby and Rails, Javascript, React, APIs and everything else along with the best practices. I focus on the learning experience of my students and make sure they get exactly what they want. I have excellent academic track records (Bachelor of Science in Computer Science and Masters in Computer Engineering from the University of Toronto) along with strong development and industry experience in Software Development and Web Development (18+ years coding experience in total). I have helped more than 800 individuals here at CodeMentor (with 3,640+ 5 ★ sessions) with their projects implementation, bug fixes, architecture advices, performance improvements etc. I have worked with a bunch of CEOs and CTOs of YC start-ups and helped them with their projects. Made long term relationships with many of them which I help in a regular basis today. I have helped a ton of bootcamp students here at CodeMentor and helped them build their web development career path and getting jobs after the completion of their bootcamp cohorts. Here at CodeMentor, I have helped people from all levels: From someone who is brand new to programming to 30+ years of experienced Senior Software Engineers, Product Managers and everyone in between. It's been an amazing journey here at CodeMentor for the last 8+ years! :-) I started programming and solving problems in 2006, at the age of 18. Since then, I wrote programs in a variety of programming languages such as C, C++, Java, PHP, Ruby, Python, Javascript, etc. These days, I use Ruby and Rails and React JS as my primary programming languages and frameworks. I can help with debugging your issues as well as refactoring your code according to the best practices and conventions out there. Helping people is my passion and motto in life. If you think I can help you in any way, please get in touch! Specialties: * Building scalable and performant backend APIs in Ruby on Rails (Active Model Serializer, GraphQL, Grape, Jbuilder, RABL, etc.) for android, iPhone or web applications. (For more than 12 million users). * Integration of backend APIs with Javascript frontend framework (ReactJS) using JSON Web Token (JWT). * Built highly scalable Push Notification System for theScore sports application (For ~10 million users). * Implemented instant player, team and news article search for the theScore and theScore eSports apps which have more than 6 million monthly active users using ElasticSearch and Rails. * Backend Ruby on Rails Development (With scaling, performance optimizations, database query optimizations, caching best practices, etc.). * Test Driven Development with clean code and best practices. * Web Scraping (Nokogiri, Mechanize) (Scrape data from anywhere on the internet!). * Reverse engineering complex APIs and web applications to write automated scripts to mimic and automate user behaviour and extract required data. * Explain concepts/solutions clearly and concisely according to the level of the client/student. (Helped over 800 people on CodeMentor with 3,640+ 5 ★ sessions) * Giving architecture advice for your application. Explain which tools/gems to use and why. * Setting up SSL certificates for Rails application (Nginx server) on AWS EC2 instance and securing your application. * Suggesting best practices and focusing on the best learning experience and long-term achievements. * Showing cool tips and tricks that I have learned over the past 18+ years (and still learning!) as a professional Ruby on Rails developer to be more productive and efficient at work. * Upgrading Ruby/Rails versions for your existing application. * Finding bottlenecks and Optimizing performance for your slow Rails applications. * I can help you to prepare for interviews for Ruby on Rails developer position, or any other Software Development position. I have successfully guided many developers who got their dream jobs after practicing coding interviews with me!

Freelance RubyGems Developer - Christoph Wagner
Freelance RubyGems Developer5.0 (442 reviews)

"Whoever travels without a guide needs 200 years for a two-day journey." Whether you're just starting out on the journey to becoming a great coder, or whether you're somewhere in the middle and you just got stuck, don't let it hold you back longer than necessary. I have over 8 years of experience with multiple software stacks. I started on Java with Spring Framework, then switched to Ruby on Rails. These days I work mostly with Node.js and CoffeeScript. I've worked with 4-person startups, billion dollar companies and everything in between. My goal is to get your issue resolved as quickly as possible, and give you all the tools and knowledge necessary to *understand* why you had this issue, and how to prevent it going forward.

Freelance RubyGems Developer - Joseph M. Sak
Freelance RubyGems Developer5.0 (30 reviews)

I have a proven track record of working with learners. I meet you where you're at and work at your pace. I take the time to explain concepts to you until you understand them, meaning you can ask every question you have. I go the extra mile to ensure you've gotten value and had a chance to clarify anything that you need. Working with me, you will learn expert fundamental concepts, best practices, tools and techniques for impressive and productive workflow, and I will always take the time to go over things line by line and get you as in-depth of an explanation as you need. If you truly cannot give me a 5 star rating, I will refund you!

Freelance RubyGems Developer - Joel Beasley
Freelance RubyGems Developer5.0 (47 reviews)

Joel Beasley is a Sr Rubiest at Logic 17, LLC in Sarasota, FL with an education from MIT. Joel has a passion for writing clean object oriented code with a heavy emphasis on services. Single Responsibility Principle, Low Coupling and High Cohesion are just a few of the important design principles he employs. Currently writing a book on being a Modern CTO. Chief Technology Officer.

Freelance RubyGems Developer - Stephen Sunday
Freelance RubyGems Developer5.0 (39 reviews)

I'm a full-stack engineer with a strong desire for pushing the boundaries, learning, and a healthy disregard for the impossible. I also love to share my knowledge to others.

Freelance RubyGems Developer - Matthew Moore
Freelance RubyGems Developer5.0 (18 reviews)

Running at a low rate until I get some reviews! Currently a co-founder at my virtual reality start-up, Anarchist.com. Previously an engineer at Groupon where I automated financial systems with Rails, Clojure, MySQL, Postgres, MongoDB/TokuMX, Salesforce, and more.

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Frequently asked questions

How long do RubyGems projects normally take?

The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance RubyGems project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance RubyGems request on Codementor, check out our article.

How much does it cost to hire a freelance RubyGems developer?

We don’t charge anything when you post a freelance hiring request for RubyGems developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.

What makes Codementor RubyGems developers different?

We do a comprehensive technical and communications screen of all RubyGems developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing RubyGems developers’ user satisfaction rates.

What happens if I’m not happy with the freelancer’s work?

As a platform, we strive to ensure you’re always happy with your RubyGems project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.

For more answers to frequently asked questions, see here.

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