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Hire the best Capybara specialists

Check out Capybara specialists with the skills you need for your next job.
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  4. (Current) Capybara Specialists
  • $22 hourly

    • 5.0/5
    • (23 jobs)
    I’m a highly-detailed Software Quality Assurance Tester, with over 11+ years of hands-on experience testing web, mobile, and desktop applications. I'm passionate about testing, and finding solutions, for companies to create a reliable digital product free of bugs. My specialties include: ========================== • Mobile/Web Application Testing • Manual testing • Mobile App Testing • Detailed Test Plan & Test Case Development • API Testing: PostMan • JIRA • Excellent debugging skills • Proficiency in various testing tools, such as Selenium, Appium, and SoapUI Available Physical Testing Devices =========================== Apple: iPhone 11, Macbook Pro Android: Android - Google Pixel 7a, Samsung Galaxy, Vivo A15 Desktop: Windows, OS X - Mac Project Management and Defect Tracking Tools ======================================= JIRA, Trello, Bugzilla, Zenhub, Confluence, Test Rail
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Selenium
    Java
    QA Engineering
    Jenkins
    Test Case Design
    Regression Testing
    Web Testing
    Manual Testing
    Functional Testing
    Postman
    Appium
    Mobile App Testing
    End-to-End Testing
  • $35 hourly

    • 4.6/5
    • (206 jobs)
    🏆100% job success score. 🏆TOP RATED PLUS ( 3% of talent on Upwork) specializing in Mobile Applications Development targeting iOS and Android platforms using Native and Hybrid (React Native, Cordova & Flutter) approach.
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Git
    RxSwift
    Flutter
    Kotlin
    Java
    JavaScript
    User Profile Creation
    Mobile App Development
    Node.js
    iOS Development
    Android App Development
    Swift
    Objective-C
    React Native
    Hybrid App Development
  • $35 hourly

    • 5.0/5
    • (6 jobs)
    Senior Android Developer with 6+ years of experience, specializing in native Java/Kotlin applications and cross-platform development with Kotlin Multiplatform Mobile (KMM). I have successfully led and contributed to projects across multiple industries, including fintech (mobile banking and secure transaction platforms), e-commerce (streamlined shopping experiences with third-party integrations), and media streaming (enhanced user experiences with advanced streaming technologies), showcasing my ability to deliver high-quality, efficient, and scalable solutions. My development approach emphasizes strong architecture, adherence to SOLID principles, and continuous learning to keep up with the latest advancements in mobile technology. My top priorities when developing any application are delivering maintainable code that meets industry standards (including comprehensive testing) and ensuring clear, transparent communication with clients and stakeholders. Technology: Programming languages and Architecture: Java, Kotlin, C, C++, Python, SQL; MVVM, MVP, Clean Architecture Frameworks and SDKs: Android SDK, Android Jetpack (Room, Navigation, WorkManager, Lifecycle), Jetpack Compose Cross-Platform Development: Expertise in Kotlin Multiplatform Mobile (KMM) Databases and Integrations: SQL, Room Persistence, Realm; Google APIs (Maps, Drive, Tasks, Places), Firebase (Cloud Messaging, Database, Remote Config, Authentication, Firebase Distribution), Google Cloud Storage Design and UI/UX: Material Design principles for intuitive interfaces Networking and Asynchronous Programming: REST/JSON/XML, Retrofit 2, Kotlin Coroutines and Flows Development Tools: Git for version control, Gradle/Maven for project build automation, professional software engineering tools and practices Advanced Expertise: App security, encryption techniques, payment gateway integration Feature Flags: Implementation of feature flags for rapid feature deployment and A/B testing Analytics and Monitoring: Experience with analytics frameworks such as Sentry and Datadog, ensuring robust application monitoring and performance tracking CI/CD and Pipelines: Skilled in setting up and maintaining continuous integration and deployment pipelines for efficient project delivery Backend for Frontend (BFF) Implementation: Experience with BFF patterns using Spring Boot with Kotlin for optimized client-server communication Additional Skills: Integration of third-party SDKs (e.g., VLC, ExoPlayer, Samsung, Fitbit, OAuth 2.0); equipped to work with IoT dev kits, prototypes, serial console interfaces I have experience leading teams and mentoring other developers, ensuring projects are completed efficiently while maintaining high standards. Additionally, I am skilled at defining and creating technical and business requirements for mobile applications, guiding clients through the development process, and ensuring their vision is effectively translated into a finished product. If you are seeking a dedicated, detail-oriented developer who combines technical expertise with a proactive approach to project management, feel free to reach out. I am ready to bring your project to life.
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Agile Software Development
    Android App
    GPS
    RESTful API
    Android SDK
    Android NDK
    Mobile App Development
    Android Studio
    Kotlin
    Firebase Realtime Database
    RESTful Architecture
    Android App Development
    Push Notifications
    Firebase
    Native App Development
  • $10 hourly

    • 5.0/5
    • (3 jobs)
    I want to be a full stack developer. Little experience. Mostly programming was like a hobby. Found courses, decided to try. The university had a turbopascal and C ++. For the last 2 months I have been studying Ruby. I haven’t participated in large projects yet Passed the course. In the development of a course javascript, postgre, programming patterns. English only for documentation via google translate. Doing duolingo.
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Ruby
  • $30 hourly

    • 5.0/5
    • (19 jobs)
    I am a mobile app engineer with over five years of dedicated expertise in Android and Flutter. As an experienced Flutter developer, I excel at translating design prototypes into high-quality, responsive applications using the Flutter framework. I am passionate about Flutter and constantly strive to stay updated with the latest features and best practices Whether working independently or as part of a collaborative team, I am committed to delivering high-quality, scalable, and maintainable flutter app. My ability to communicate effectively with stakeholders, understand project requirements, and translate them into robust, feature-rich applications has been a cornerstone of my success. I also work as an Android Developer, where I have completed multiple projects for various clients, ranging from e-commerce platforms to educational apps. I have extensive experience in Android development, using technologies such as Android Jetpack, Dagger, Room Database, WorkManager, and threading. ⭐️Tech Stacks ⭐️ Flutter(Dart) Android(Kotlin/Java) Firebase Azure DevOps DataDog FlutterFlow Sentry GraphQL Websocket Flutter-web OpenAI AWS Stripe
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Flutter Stack
    GraphQL
    Google Maps
    Agile Project Management
    Jira
    Git
    Java
    ChatGPT
    Azure DevOps
    Android
    Kotlin
    Mobile App Development
    Firebase
    Dart
    Flutter
  • $16 hourly

    • 5.0/5
    • (13 jobs)
    - Skill: PHP , CodeIgniter, Laravel, Wordpress, MySQL - 5 years exp - Skill: Ruby , Ruby On Rails - 5 years exp - Javascript, Jquery - 5 years exp - Python, TypeScript - 1 year exp - English : Read, write
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Time Management
    Ruby
    Ruby on Rails
    CodeIgniter
    Python
    PHP
    JavaScript
    Data Scraping
    Data Mining
    Data Extraction
  • $50 hourly

    • 5.0/5
    • (39 jobs)
    Certified Quality Assurance Engineer with over 12 years of experience, including QA management, manual and automation testing activities. AI Enthusiast who enjoys testing and utilizing new AI tools for improved results. Experienced in working in office settings, with remote teams of freelancers, and with third-party software testing partners such as Testlio and Digivante. I excel in establishing QA processes from the ground up, as well as enhancing existing QA methodologies through my extensive background and industry best practices. Thrive in dynamic startup environments with ever-evolving requirements, global team members, legacy code, and complex applications. My strong empathy enables me to deeply understand clients' needs, motivations, and desires, fostering strong customer relationships and delivering effective solutions. With a high energy level, I consistently achieve work satisfaction, performance, and productivity. In addition to my professional experience, I have accumulated over 17,000 hours of hands-on experience as a QA Engineer, QA Lead, and QA Manager on this platform. I have contributed to over 100 projects throughout my career and am eager to bring my expertise to your project. Let's Get Things Tested, Shall We?
    vsuc_fltilesrefresh_TrophyIcon Capybara
    SQL
    HTML
    JavaScript
    soapUI
    Automated Testing
    Black Box Testing
    Ruby
    Selenium WebDriver
    CSS
    Functional Testing
  • $15 hourly

    • 5.0/5
    • (3 jobs)
    Coded in ASM, C, Delphi (pascal), php, perl, even some IL. But just for myself or sometimes for a students (course work, etc.) Had some experience in reverse engineering.
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Assembly Language
    Ruby
  • $40 hourly

    • 4.9/5
    • (105 jobs)
    ⭐ 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 | 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | ✅ 100% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 | 🔟 𝗬𝗲𝗮𝗿𝘀 𝗼𝗳 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 As a Top 1% talent on Upwork, I bring a wide-ranging skill set and a commitment to excellence. With 10+ years of full-stack development and 30,600+ hours of experience, I specialize in building scalable, high-performance web and mobile applications. My focus is on long-term collaborations that drive success, backed by a 100% job success score and a proven track record of reliability. 𝗞𝗲𝘆 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: ✓ Ruby / Ruby on Rails ✓ Python (Django / Flask / FastAPI) ✓ Node.js / Express.js / MERN | MEVN Stack ✓ ReactJS / NextJS / TypeScript / JavaScript ✓ React Native (iOS & Android) ✓ API Development (RESTful, GraphQL) ✓ PostgreSQL / MySQL / MongoDB ✓ Docker / Kubernetes / Heroku / AWS / GCP ✓ MQTT / IoT / Distributed Systems ✓CSS3 / Tailwind / Bootstrap / Materialize 𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀: ✓Amazon Web Services (AWS): EC2, S3, Lambda, ECS, ECR, Fargate, Elastic Beanstalk, Lambda functions, CloudWatch, CloudFormation, Elastic Load Balancer, DynamoDB, SNS, Step Functions ✓ Azure Cloud ✓ Google Cloud (GCP) ✓ Digital Ocean ✓ Docker & Kubernetes for containerization ✓ CI/CD tools: CircleCI, Jenkins, Github Actions, Heroku Pipelines 𝗔𝗴𝗶𝗹𝗲 𝗟𝗲𝗮𝗱𝗲𝗿𝘀𝗵𝗶𝗽 & 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗶𝗼𝗻: ✓ Extensive experience in Agile, Scrum, Kanban, and XP methodologies ✓ Project management expertise with Jira, Trello, Redmine, Basecamp ✓ Version control with GitHub, Bitbucket, SVN, CVS 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘇𝗲𝗱 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: ✓ Payment Systems: Stripe, PayPal, Authorize.net ✓ Social APIs: Facebook, Instagram, Twitter ✓ OAuth Integration: Google, LinkedIn, GitHub, StackOverflow 📢 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 & 𝗣𝗿𝗼𝗯𝗹𝗲𝗺-𝗦𝗼𝗹𝘃𝗶𝗻𝗴: I believe communication is the key to every problem. So i ensure smooth project execution through clear communication and collaborative problem-solving. Let’s connect and see how I can help your project succeed!!
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Shopify
    Ruby on Rails
    ASP.NET MVC
    JavaScript
    Twitter/X Bootstrap
    PHP
    Amazon S3
    AngularJS
    Amazon EC2
  • $25 hourly

    • 4.8/5
    • (27 jobs)
    🏅 Principal Architect & React Native, Flutter and React Engineer with Upwork Top-Rated Plus Badge 🏆 Developed Award-Winning Web/Mobile Applications ⭐ 100+% of JSS And Always 5-star feedback 🌟 Built, Deployed & Released more than 20+ Cross-Platform/Hybrid Mobile Applications on React Native, Flutter, NodeJS, ExpressJS, ReactJs, RSpec, CI/CD, and TypeScript are mostly for the US and UK. 👋 Responsive Communication & Agile Methodologies & Ongoing Support As an Upwork Top-Rated Plus Full-Stack Web/Mobile App Developer with more than 8+ years of experience in developing saleable and high-class cross-platform mobile applications (IOS/Android) by using React Native, React, Flutter, and Node js that enhance user engagement and attention. which makes me efficient in delivering high-quality solutions for developing scalable and award-winning cross-platform/hybrid mobile applications that consider the factor of clean and maintainable code. Implemented external packages and have a strong command of integrating all APIs. My commitment is to deliver top-notch results and complete them in significantly fewer hours than other freelancers aiming to exceed my client's expectations. I've honed my skills in developing iOS and Android cross platforms mobile applications (Grintafy, Ziply, LowerMyRx, Lift Buddy, Leafly which has millions of users) , utilizing React Native, Flutter and Swift to create high-impact applications. My forte lies in converting ideas into digital realities that propel businesses forward. 🥇 Skills and Services : Technologies: React Native, Flutter, React, Nodejs, Ruby on Rails(ROR), JavaScript, TypeScript, Redux, Styled-components, Material UI, Tailwind CSS, SASS, Bootstrap, and Stimulus.js, CSS, CSS3, HTML5, React Redux, RSpec, TDD/BDD, third-party APIs (Stripe, HubSpot, Salesforce, Google Meet, Zoom, Twilio, Send-grid, GPT-4, GPT-3.5 etc.), Elastic Search, Sphinx, MongoDB, MySQL, PostgreSQL, SQLite, AWS, Azure, Google Cloud Platform, Chrome Extension, jQuery, Git, and GitHub, CI/CD pipelines, JIRA, Trello, Asana, and Slack, Mobile App Development, Agile Software Development, iOS, Android, RESTful Microservices, Webpack, ECMAScript (ES6), ES7, ES8, Single-page Applications (SPAs), Unit Testing, Agile, Scrum, SaaS, and Software Architecture One thing that separates me from the rest of the freelancers is to work with an articulate developer in the US, one who can understand and solve problems while communicating professionally. And I'm a Full-Time Freelancer and will be directly working for you or your team. The best part I always do Pixel Design, TDD, and BDD and every line of code is well structured and commented in this way the web/mobile apps will be optimized for speed efficiency, and security. And worked with many industries like restaurants, Fashion, E-Commerce/Retail, SAAS, SAP, Tech startups, Stealth, and many others. HeyPeers, ArtizYou, and Ewagers are prime examples of my skills with millions of downloads and active users. In "HeyPeers" I had worked individually as a Full-Stack web/mobile app developer and the best part is I always completed the tasks/projects before the given timeline. Ready to convert your idea into reality? Share your business requirements so that I can do something exceptional for you. I'm able to work in different time zones. Let's connect and start immediately on turning your idea into to high-performing web application!
    vsuc_fltilesrefresh_TrophyIcon Capybara
    MySQL
    TypeScript
    CI/CD
    RSpec
    PostgreSQL
    JavaScript
    Next.js
    Ruby on Rails
    Hybrid App Development
    iOS
    Android
    Mobile App Development
    React
    Flutter
    React Native
  • $25 hourly

    • 5.0/5
    • (146 jobs)
    🟢 Available Now | 100% Job Success 🏆 Your project is important to me! About Me: 🚀 A seasoned IT professional with over 12 years of hands-on experience in web and mobile app development. 🎖️ Proud to own the Top Rated Plus badge (Top 3%) on Upwork, which recognizes excellence in work. 💡 Proficient in utilizing ChatGPT and its APIs to enhance project capabilities. ⏱ Logged nearly 3000 hours on Upwork, showcasing a dedicated and consistent work ethic. 🌐 Successfully collaborated with Fortune 500 companies, contributing to their technological advancements. 🏗 Completed solution architecture for over 35 projects, showcasing versatility and expertise. 🚀 Specialized in mastering serverless infrastructure and micro-services architecture. With a decade-plus experience in the dynamic IT landscape, I bring a wealth of expertise to the table. Having dedicated substantial time to Upwork and collaborated with esteemed Fortune 500 entities, I am a seasoned full-stack developer proficient in multiple cutting-edge technologies, tools, frameworks, and libraries. My unwavering commitment to delivering projects on time is evidenced by my 100% track record of meeting deadlines, showcasing my determination and focus. Beyond my development prowess, I excel in creating scalable and intricate software systems and managing resources efficiently. My unwavering commitment to delivering projects on time is evidenced by my 100% track record of meeting deadlines, showcasing my determination and focus. Different types of applications I have developed so far: ✅ E-commerce applications ✅ Fintech applications ✅ Logistics applications ✅ Business applications ✅ Healthcare applications ✅ Lifestyle applications ✅ Music and live-streaming applications ✅ Real estate applications ✅ Travel and Tourism applications ✅ Automobile Industry applications ✅ Online booking applications ✅ Grocery applications ✅ Referral and membership applications ✅ Registration and event management applications
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Web3
    Deep Learning
    Machine Learning
    Adobe ColdFusion
    NFT
    Ruby on Rails
    Artificial Intelligence
    React Native
    Angular
    React
    Node.js
    Ionic Framework
    HTML5
    JavaScript
  • $34 hourly

    • 5.0/5
    • (32 jobs)
    About Me: With over 10 years of experience in Quality Assurance (QA), I specialise in ensuring the highest level of quality for Mobile, Web, and Desktop Applications. Over the years, I’ve had the pleasure of working with diverse clients—ranging from innovative startups to established global enterprises—helping them deliver flawless software products. As a top-rated freelancer on Upwork, I’ve had the privilege of collaborating with remote teams across various industries, including eCommerce, Healthcare, Cryptocurrency, SaaS, Banking & Finance, and more. My focus is on offering comprehensive QA services for every stage of the software development lifecycle, from test planning and test case design to defect management and final product delivery. What I Do: 🔹 Manual & Automated Testing: I’m proficient in both manual and automated testing, ensuring seamless functionality and performance across all platforms—whether web, mobile, or desktop. My expertise includes writing and executing test cases, preparing test scenarios, and performing in-depth usability, regression, and functional testing. 🔹 Mobile & Web App Testing: With extensive experience testing iOS and Android applications, I conduct cross-browser and cross-device testing to guarantee optimal user experiences across all environments. I am also well-versed in tools like BrowserStack for cross-browser testing. 🔹 Desktop Application Testing: I offer expert testing services for both Windows and Mac desktop applications, ensuring compatibility, stability, and user-friendliness. 🔹 Specialized Testing Areas: Machine Learning (ML) and Artificial Intelligence (AI) Testing UX/UI Testing (with a focus on comparing Figma designs to final implementation) Test Automation: Writing and reviewing automated test scripts to ensure they meet project specifications. 🔹 Defect Management & Test Reporting: I handle the end-to-end defect lifecycle from identification through resolution, ensuring clear, actionable reporting for technical and non-technical stakeholders. 🔹 Feature Implementation & User Stories: As part of agile teams, I write user stories for new feature implementation, ensuring proper acceptance criteria are defined and met through detailed testing. Industries I’ve Worked With: eCommerce Healthcare FinTech & Banking Cryptocurrency SaaS Hotel & Tourism Social Networking & Time Tracking Stock Trading & Finance Certifications: Professional Scrum Master (Scrum.org) TMAP - Software Testing (EXIN) ITIL Foundation (AXELOS) Education: Master’s in IT - Monash University, Australia Why Work With Me: Proven Track Record: I have a history of delivering high-quality results that meet clients’ expectations, on time and within budget. Collaboration with Global Teams: I’ve successfully coordinated QA activities with remote design and development teams, ensuring alignment with project goals. Client-Centric Approach: Your satisfaction is my priority. I’m committed to clear communication, attention to detail, and delivering actionable insights. Availability: I am available for both short-term and long-term projects, offering remote services with the flexibility to travel for on-site needs if required.
    vsuc_fltilesrefresh_TrophyIcon Capybara
    QA Testing
    GUI Testing
    Katalon Studio
    Notion
    Quality Assurance
    Bug Reports
    Usability Testing
    Jira
    QA Engineering
    Software QA
    Automated Testing
    Manual Testing
    Mobile App Testing
    Web Testing
    Functional Testing
  • $31 hourly

    • 5.0/5
    • (7 jobs)
    I am a Senior QA engineer. My experience encompasses 8 years in Quality Assurance & Testing for Web and Mobile applications. On most of the projects I was responsible for the quality of the products and performed full-cycle testing included but not limited to manual, performance, automated, UI/UX testing, test documentation development, etc. I have experience in building of a complete test ecosystem which includes design and setup of the test suite, tests development, helped to setup of Continuous Integration, configuration of reporting system, etc. I am attentive to the details, and I can describe myself as a team player. When I face with the issue I am trying to isolate it and not just to report. I am investigating deeply, checking the issue on various browsers, platforms, resolutions, form factors, trying to provide as much details as possible regarding the nature of the problem. I have passion for challenges and will be a valuable part of your team.
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Software QA
    JavaScript
    Watir
    Ruby
    Appium
    Automated Testing
    Selenium WebDriver
  • $40 hourly

    • 5.0/5
    • (25 jobs)
    I am a seasoned Ruby on Rails developer with a proven track record of crafting robust, scalable, and high-performance web applications. My expertise lies in leveraging the power of Ruby on Rails to build innovative solutions tailored to meet the unique needs of businesses. With a deep understanding of the Ruby on Rails framework, I excel in: ✅ Full-stack development: From database design to front-end development, I deliver comprehensive solutions ✅ Legacy system modernization: I breathe new life into outdated applications by upgrading to the latest Ruby and Rails versions ✅ API development: Building efficient and secure RESTful APIs for seamless integration ✅ Test-driven development (TDD): Writing clean, maintainable, and reliable code through rigorous testing ✅ Performance optimization: Identifying and eliminating bottlenecks to enhance application speed and responsiveness. 💡I am proficient in a wide range of Ruby on Rails tools and technologies, including RSpec, Capybara, PostgreSQL, Redis, Heroku, AWS, and Docker. My ability to quickly adapt to new technologies and challenges ensures that I deliver exceptional results on every project. 🟢Whether you need a new Ruby on Rails application from scratch or require expert maintenance and upgrades for an existing platform, I am your ideal partner. Let's collaborate to bring your vision to life! Keywords: Ruby on Rails, Ruby on Rails developer, Rails developer, Ruby developer, full-stack developer, web application development, API development, TDD, performance optimization, PostgreSQL, Redis, Heroku, AWS, Docker.
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Back-End Development
    React Native
    Mobile App Development
    Android
    Full-Stack Development
    RESTful API
    Amazon EC2
    Amazon Web Services
    Docker
    PostgreSQL
    API Integration
    React
    Laravel
    Ruby on Rails
    JavaScript
  • $28 hourly

    • 5.0/5
    • (23 jobs)
    🥇 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗟𝗨𝗦 | ⏳ 𝟰+ 𝗬𝗲𝗮𝗿𝘀 𝗼𝗳 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 | ⭐ 𝟰.𝟵 𝘀𝘁𝗮𝗿𝘀 𝗿𝗮𝘁𝗲𝗱 | 𝟭𝟬𝟬% 𝗖𝗹𝗶𝗲𝗻𝘁 𝗥𝗲𝗰𝗼𝗺𝗺𝗲𝗻𝗱𝗲𝗱. ✮✮✮✮✮ Go from zero to MVP. Then MVP to full scale. ✮✮✮✮✮ ✅ 5000+ Hours logged on UpWork. ✅ 5 Star Reviews. ✅ 4+ Years of experience in Web app development 𝗣𝗿𝗶𝗺𝗮𝗿𝘆 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝗲𝘀: ✔ Ruby on Rails development ✔ Frontend: React Js, jQuery/Javascript, CoffeeScript ✔ Front-End Development | HTML5/CSS3, TailwindCSS, Bootstrap5 - JavaScript Frameworks | jQuery, React ✔ HAML, CSS3 ✔ Git ✔ Databases: Postgres, MongoDB, MYSQL ✔ API development: RESTful APIs ✔ Testing: RSpec & Capybara and have done TDD /BDD ✔ DevOps: Comfortable handling server setups & deployments and have experience working with dedicated servers, Amazon EC2, Heroku. ✔ Methodology: Agile & Scrum/Kanban methodologies and great communication skills. ✔ Task Management: Trello,Asana,Jira,Basecamp 🔰 I am a passionate and Top Rated web developer who loves to develop new ideas. To utilize my capabilities and technical skills to bring out the best of me and to be active and flexible in the ever-changing technological environment. If you choose to work with me, I can guarantee you that I will provide: ➜ Quick on-time delivery. ➜ Good communication and Regular updates on the project status. ➜ Clean and optimized code. ➜ Unlimited revisions till you are satisfied. 💻 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝗸𝗶𝗹𝗹𝘀: 👉 I have more than 3 years of Hands on experience in Ruby on Rails, jQuery, HTML5, CSS3, HAML, SASS, MySQL, PostgreSQL, and Redis. 👉 I have worked on many enterprise applications and successfully handled their front end using HTML, Angular, CSS, jQuery, Bootstrap and back end using Rails, MySql, Postgres based on TDD/BDD development techniques.
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Ecommerce Website Development
    Web Development
    Heroku
    Web Application
    Amazon S3
    Xero
    Shopify
    React
    Stripe API
    Airtable
    API Development
    Amazon Web Services
    Ruby on Rails
    PostgreSQL
  • $70 hourly

    • 5.0/5
    • (56 jobs)
    I'm a Full Stack developer with extensive experience in building high quality applications. My experiences range from to building scalable applications for the financial services industry to building responsive mobile sites that work well cross browser. My Skills & Expertise: - Ruby on Rails (2.x, 3.x, 4.x, 5.x, 6.x) - Ruby Programming (1.7.x, 1.8.x, 1.9.x, 2.x) - PHP (7.3 - 8.0) - Theme development & plugin development in wordpress & Drupal - Extensive use of Jquery, Javascript, Coffee, HTML, Haml, Erb, CSS, Bootstrap - Databases Expertise with PostgreSQL, MySQL, MongoDB - TDD experience with RSpec, Cucumber, FactoryGirl, Capybara, Selinum& others. - Server Setup AWS EBS, EC2 & S3, DO, Heroku,, Apache, Nginx, Passenger, Puma - Been using Code Management tools like Git, Bitbucket, Gitlab - Solid background in Scraping, Parsing tasks
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Git
    Heroku
    Amazon EC2
    Ruby on Rails
    API Development
    Front-End Development
    Twitter/X Bootstrap
    MySQL Programming
    PostgreSQL Programming
    Test-Driven Development
  • $60 hourly

    • 4.9/5
    • (32 jobs)
    I am the go to guy resolving any tech problems in your company. Value is what I am focusing on. I am mostly experienced with Ruby on Rails and React so probably a full-stack engineer title sticks for me, but I am not only focusing on the programming work. My goal is to understand your business and its problems helping you operate more smoothly, worrying less about development. Delegate any challenge to me, I will find the solution to it allowing you to focus on your things. Background: As mentioned I am seasoned full-stack dev, mostly experienced with Ruby on Rails(also being it's open-source contributor) and React. But during over 6 years been working on vast majority of projects in many different programming languages and on different positions. I am not scared of building web scrapers, reporting tools or managing servers(DevOps). Being an all-rounder helps me understand the businesses on multiple levels and have a broad perspective which results in the happiness of my freelancing clients. Project Highlights: 🔹 COVID-19 Vaccination Passport Platform: I architected a system from scratch for a major German city, efficiently managing over 500,000 records, ensuring security, and maintaining high scalability during peak demands. 🔹 Telehealth Platform for Physiotherapists: I spearheaded a redesign of search functionalities, achieving a tenfold improvement in performance and markedly enhancing the user experience. 🔹 Marketing Automation Platform: My implementation of AI-driven messaging and data enrichment strategies has saved hundreds of hours and notably increased conversion rates. Client-Centric Approach: 🌟 Problem Solving: I dive deep into each project's unique challenges, ensuring solutions are tailor-made to address specific needs. 🌟 Value Delivery: Each solution is designed to maximize ROI, whether through enhanced efficiency, increased security, or scalable growth. 🌟 Technology Expertise: As an official Ruby on Rails contributor, I bring authoritative knowledge and innovative practices to every project. Technical Skills: 🛠 Languages: Ruby, JavaScript, SQL, Elixir, Python, HTML/CSS 🛠 Frameworks/Tools: Ruby on Rails, React, Docker, GitHub Actions, RSpec 🛠 Databases: PostgreSQL, MariaDB, Redis, AirTable
    vsuc_fltilesrefresh_TrophyIcon Capybara
    RubyMotion
    Airtable
    RubyMine
    IT Consultation
    Ruby on Rails Stack
    Database Integration
    API Integration
    Ruby on Rails
    JSON API
    RESTful API
    API Development
    PostgreSQL
    Ruby
    JavaScript
  • $30 hourly

    • 5.0/5
    • (21 jobs)
    🎁 I guarantee results or you get 𝟭𝟬𝟬% of your money back. With over 𝟏𝟎 𝐲𝐞𝐚𝐫𝐬 of experience in crafting custom web and mobile solutions, 𝗜 𝗱𝗼𝗻’𝘁 𝗷𝘂𝘀𝘁 𝗱𝗲𝗹𝗶𝘃𝗲𝗿—𝗜 𝗲𝘅𝗰𝗲𝗲𝗱 𝗲𝘅𝗽𝗲𝗰𝘁𝗮𝘁𝗶𝗼𝗻𝘀. 𝗪𝗵𝗲𝗿𝗲 𝗼𝘁𝗵𝗲𝗿𝘀 𝗳𝗶𝗻𝗱 𝗲𝘅𝗰𝘂𝘀𝗲𝘀, 𝗜 𝗳𝗶𝗻𝗱 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀—𝗮𝗹𝘄𝗮𝘆𝘀. I leverage my expertise to build robust and scalable web and mobile applications, APIs, chatbots, LLMs, and AI-driven solutions using cutting-edge technologies such as Python, Node.js, Ruby on Rails, Django, FastAPI, Express.js, Next.js, GraphQL, React.js, React Native, as well as ChatGPT, OpenAI API, and other advanced AI tools. 🎯 I have successfully developed software's for clients in various industries listed below (see intro video): ⭐️ Golf Course Management Systems: Enhancing operational efficiency with booking management, reporting, POS integration, dynamic pricing, and other communication tools. ⭐️ Retail Solutions: Streamlining operations with point-of-sale systems, inventory management, and customer relationship management. ⭐️ E-Commerce Web and Mobile Applications: Creating seamless online shopping experiences with advanced features like personalized recommendations and secure payment gateways. ⭐️ Business Marketplaces: Building platforms that facilitate B2B and B2C interactions, including real-time chat, lead generation, and multi-stage transaction processes. ⭐️ Healthcare Software: Developing robust systems for patient management, telemedicine, electronic health records, and medical billing. ⭐️ Real Estate Marketplaces: Designing platforms for property listings, virtual tours, appointment scheduling, and offer management. ⭐️ E-Learning Platforms: Providing interactive educational tools, course management systems, and virtual classrooms for enhanced learning experiences. ⭐️ Fintech Solutions: Innovating financial technologies including payment processing, and investment management. ⭐️ AI-Powered Solutions: Developed AI models and systems using LangChain, ChatGpt and OpenAI 🚀 Partnering with me guarantees: 👉 Robust, scalable code capable of growing 10x without any additional modifications. 👉 Outstanding communication, consistently praised in client feedback. 👉 On-time, on-budget project completion. 👉 Transparency about feasibility—I'll give a clear "no" if your request isn't achievable within the given timeframe. 👉 A 100% money-back guarantee if I fail to meet the expectations I set—no questions asked. 👉 A focus on product-centric development, pushing for decisions backed by data. 👉 Prompt responses within 30 minutes during waking hours. Thank you for considering my profile. Let's collaborate to turn your vision into a digital reality!
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Custom App
    GraphQL
    PostgreSQL
    MongoDB
    Front-End Development
    Full-Stack Development
    ChatGPT
    Ruby on Rails
    ExpressJS
    React Native
    React
    Next.js
    Django
    Node.js
    Web Development
  • $50 hourly

    • 4.6/5
    • (77 jobs)
    I am a highly skilled Mobile, Full-Stack Web, and AI Developer with over 9 years of experience delivering innovative, scalable, and user-focused solutions. My diverse expertise allows me to build end-to-end systems that seamlessly integrate mobile and web technologies with cutting-edge artificial intelligence, tailored to meet complex business needs. Mobile Development Expertise: Native App Development: Proficient in Swift and Objective-C for iOS, and Kotlin and Java for Android, creating optimized and feature-rich native applications. Cross-Platform Development: Skilled in React Native and Flutter, delivering consistent and high-performance apps for both iOS and Android platforms. Backend Integration: Expert in integrating RESTful APIs, GraphQL, Firebase, and third-party services into mobile apps for real-time functionality. Advanced Features: Implemented AI-powered tools like chatbots, recommendation systems, and personalized user experiences in mobile apps. Notable Projects: Delivered 20+ mobile apps with top ratings and significant user engagement across fitness, finance, and e-commerce industries. Full-Stack Web Development Expertise: Frontend Development: Proficient in HTML5, CSS3, JavaScript (ES6+), and modern frameworks like React, Angular, and Vue.js to build responsive, user-friendly interfaces. Skilled in CSS libraries such as Tailwind CSS and Bootstrap to create visually appealing, consistent designs. Backend Development: Expertise in Node.js, Express.js, Python (Django, Flask), and PHP (Laravel) to build secure, scalable server-side applications. Experience with database management using MySQL, PostgreSQL, MongoDB, and Firebase, ensuring efficient data handling. Strong knowledge of API design and development, including RESTful services and GraphQL. DevOps & Deployment: Proficient in setting up CI/CD pipelines with Jenkins, GitHub Actions, and Bitbucket. Skilled in cloud platforms like AWS, Azure, Google Cloud, and Heroku for hosting and deployment. Experience with Docker and Kubernetes for containerization and scalable deployments. Notable Projects: Built a full-stack e-commerce platform with real-time inventory updates, secure payment gateways, and robust admin dashboards. Developed SaaS solutions with multi-tenant architectures and efficient backend systems. AI Development Expertise: Machine Learning & Deep Learning: Proficient in creating models for NLP, computer vision, and predictive analytics using frameworks like TensorFlow, PyTorch, and Scikit-learn. Natural Language Processing (NLP): Expertise in building AI-powered tools such as chatbots, sentiment analysis, and language modeling using tools like Hugging Face and spaCy. Computer Vision: Skilled in developing applications for object detection, facial recognition, and image classification using OpenCV and YOLO. AI-Powered Applications: Integrated AI into mobile and web platforms, including recommendation engines, predictive models, and real-time analytics. Model Deployment: Experience deploying ML models to production environments using TensorFlow Serving, Docker, and cloud platforms like AWS SageMaker. Notable Projects: Built an AI-powered financial assistant that automates expense tracking and provides actionable insights. Designed a computer vision-based quality control system for a manufacturing client. General Skills Across All Domains: Proficient in Git for version control, ensuring smooth collaboration and efficient code management. Experienced in Agile and Scrum methodologies for project management and on-time delivery. Strong focus on performance optimization, accessibility, and cross-platform compatibility. Skilled in integrating analytics tools (Google Analytics, Firebase Analytics, Mixpanel) for data-driven decision-making. Why Work With Me?: Combining my expertise in mobile, web, and AI development, I offer a unique, full-spectrum approach to solving your digital challenges. From building feature-rich mobile apps to designing scalable web platforms and integrating intelligent AI-driven solutions, I am committed to delivering high-performance, innovative, and impactful results that drive business growth. Let’s collaborate to bring your vision to life with seamless, intelligent, and user-focused technology!
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Amazon Web Services
    Laravel
    MERN Stack
    MEAN Stack
    PyTorch
    TensorFlow
    Machine Learning
    SwiftUI
    Python
    React Native
    Swift
    Objective-C
    Kotlin
    Java
    Flutter
  • $18 hourly

    • 4.9/5
    • (106 jobs)
    🌟 𝗚𝗘𝗧 𝗥𝗘𝗔𝗗𝗬 𝗧𝗢 𝗘𝗫𝗣𝗘𝗥𝗜𝗘𝗡𝗖𝗘 𝗕𝗥𝗜𝗟𝗟𝗜𝗔𝗡𝗖𝗘! 🌟 🥇 As an 𝗨𝗽𝘄𝗼𝗿𝗸 𝗘𝘅𝗽𝗲𝗿𝘁-𝗩𝗲𝘁𝘁𝗲𝗱, securing 𝗧𝗼𝗽 𝟭%, I bring over a decade of experience in Mobile, Web, Apps, Now AI, Python, GPT, LLMs, backed by accolades that speak for themselves: 🚀 53,200+ hours of professional work 🚀 Successfully delivered 650+ projects 🌟 100% Job Success Score with 99% client satisfaction 🌟 90% client return rate ✅ Superior Quality work ✅ Affordable Solutions ✅ Fluent English 🏅 12+ years of industry expertise 🏆 Clutch Awards Proud recipient of the 2024 Whether you're launching your 𝗳𝗶𝗿𝘀𝘁 𝗮𝗽𝗽 or scaling an existing one, I’ve got the tools and experience to bring your ideas to life! Click on invite button 🖱️ 𝗪𝗵𝗮𝘁 𝗜 𝗢𝗳𝗳𝗲𝗿: 📱 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: iOS (Swift, SwiftUI, Objective-C) & Android (Kotlin, Java) 💻 𝗖𝗿𝗼𝘀𝘀-𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Flutter, Flutter flow (Dart) 💻 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Using Vue.js, React.js, Tailwind, custom CSS 💻 𝗖𝘂𝘀𝘁𝗼𝗺 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 & 𝗨𝗜/𝗨𝗫 𝗗𝗲𝘀𝗶𝗴𝗻 to elevate the user experience 💻 𝗣𝘆𝘁𝗵𝗼𝗻 𝗔𝗜, Internet of Things (IoT), Beacons 💻 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: PHP, Laravel, Node.js, Python, Express.js, Nest.js Industry Expertise: 💳 𝗙𝗶𝗻𝘁𝗲𝗰𝗵: Payment apps, Budgeting apps 🏥 𝗛𝗲𝗮𝗹𝘁𝗵𝗰𝗮𝗿𝗲: Telemedicine apps, Health record management 🛒 𝗘-𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗲 & 𝗥𝗲𝘁𝗮𝗶𝗹: Shopping apps, Delivery tracking apps 🏠 𝗥𝗲𝗮𝗹 𝗘𝘀𝘁𝗮𝘁𝗲: Property listing apps, Mortgage calculators 🎓 𝗘𝗱𝘂𝗰𝗮𝘁𝗶𝗼𝗻: E-learning apps, Assessment tools ✈️ 𝗧𝗿𝗮𝘃𝗲𝗹 & 𝗧𝗼𝘂𝗿𝗶𝘀𝗺: Booking apps, Tour guide apps 🍽️ 𝗙𝗼𝗼𝗱 & 𝗥𝗲𝘀𝘁𝗮𝘂𝗿𝗮𝗻𝘁𝘀: Delivery apps, Reservation apps 🎬 𝗘𝗻𝘁𝗲𝗿𝘁𝗮𝗶𝗻𝗺𝗲𝗻𝘁 & 𝗠𝗲𝗱𝗶𝗮: Streaming apps, Ticketing apps 🚗 𝗔𝘂𝘁𝗼𝗺𝗼𝘁𝗶𝘃𝗲 & 𝗟𝗼𝗴𝗶𝘀𝘁𝗶𝗰𝘀: Car rental apps, Fleet management, E Bike apps 🫀 𝗙𝗶𝘁𝗻𝗲𝘀𝘀 & 𝗪𝗲𝗹𝗹𝗻𝗲𝘀𝘀: Workout apps, Nutrition tracking apps ⚙️ 𝗜𝗼𝗧 (𝗜𝗻𝘁𝗲𝗿𝗻𝗲𝘁 𝗼𝗳 𝗧𝗵𝗶𝗻𝗴𝘀): Connected devices BLE, IoT monitoring and control apps 📱 𝗦𝗼𝗰𝗶𝗮𝗹 𝗡𝗲𝘁𝘄𝗼𝗿𝗸𝗶𝗻𝗴: Social media apps, Dating apps 🚜 𝗔𝗴𝗿𝗶𝗰𝘂𝗹𝘁𝘂𝗿𝗲: Crop management apps, Weather forecasting apps 🏭 𝗠𝗮𝗻𝘂𝗳𝗮𝗰𝘁𝘂𝗿𝗶𝗻𝗴: Inventory management apps, Quality control apps ⌚ 𝗕𝗹𝘂𝗲𝘁𝗼𝗼𝘁𝗵 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Bluetooth-based E-bike, health tech, invasive and non-invasive devices like WHOOP 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: 💻 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗩𝗶𝗿𝘁𝘂𝗼𝘀𝗼: Expert in integrating RESTful APIs, JSON, XML, and utilizing powerful languages like PHP, Node.js, and Python for backend brilliance. 💻 𝗗𝗮𝘁𝗮 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗚𝘂𝗿𝘂: Skilled in working with databases like SQLite, MySQL, Core Data (Mobile), and MongoDB for seamless data storage and retrieval. 💻 𝗦𝗼𝗰𝗶𝗮𝗹 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁: Proficient in linking apps with platforms like Facebook, Twitter, YouTube, Instagram, Snapchat, and Tinder for full social functionality. 📲 𝗜𝗻-𝗔𝗽𝗽 & 𝗨𝘀𝗲𝗿 𝗘𝗻𝗴𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁: Boosting app engagement with features like in-app purchases, ads, push notifications, GCM, and Google Analytics. 💻 𝗙𝗶𝗿𝗲𝗯𝗮𝘀𝗲 𝗘𝘅𝗽𝗲𝗿𝘁: Command over Firebase APIs for real-time database solutions, analytics, and app performance. 💻 𝗩𝗲𝗿𝘀𝗶𝗼𝗻 𝗖𝗼𝗻𝘁𝗿𝗼𝗹 𝗠𝗮𝗲𝘀𝘁𝗿𝗼: Highly experienced with GitHub, Bitbucket, and GitLab for code management, collaboration. 💬 𝗥𝗲𝗮𝗹-𝗧𝗶𝗺𝗲 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗖𝗵𝗮𝗺𝗽𝗶𝗼𝗻: Mastering real-time chat solutions with XMPP, Socket.io, Firebase, GetStream, and Twilio for smooth communication. 💻 𝗔𝘂𝗱𝗶𝗼 & 𝗩𝗶𝗱𝗲𝗼 𝗦𝘁𝗿𝗲𝗮𝗺𝗶𝗻𝗴 𝗣𝗿𝗼: Harnessing the power of real-time audio and video streaming technologies to keep users engaged. 💳 𝗣𝗮𝘆𝗺𝗲𝗻𝘁𝘀 & 𝗧𝗿𝗮𝗻𝘀𝗮𝗰𝘁𝗶𝗼𝗻𝘀 𝗠𝗮𝘀𝘁𝗲𝗿: Fluent in integrating PayPal, Braintree, and Stripe for secure and reliable payment processing. 📱 𝗧𝗲𝗰𝗵-𝗦𝗮𝘃𝘃𝘆 𝗦𝗰𝗮𝗻𝗻𝗲𝗿: Skilled at implementing QR Codes, Barcodes, VIN Scanners, and NFC Tag 📱 𝗣𝗵𝗼𝘁𝗼 & 𝗩𝗶𝗱𝗲𝗼 𝗘𝗻𝗵𝗮𝗻𝗰𝗲𝗺𝗲𝗻𝘁 𝗘𝘅𝗽𝗲𝗿𝘁: Elevating media-sharing capabilities with advanced editing tools and creative filters. 📍 𝗠𝗮𝗽𝗽𝗶𝗻𝗴 & 𝗚𝗲𝗼𝗹𝗼𝗰𝗮𝘁𝗶𝗼𝗻 𝗪𝗶𝘇𝗮𝗿𝗱: Navigating with ease using Google and Apple Maps, GPS, and geolocation services for precise location tracking. 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲? ✅ High-quality results delivered on time and within budget ✅ Exceptional attention to detail with a focus on scalability ✅ Expertise in creating seamless applications for a variety of devices ✅ Continuously updated with the latest tech trends to provide cutting-edge solutions ✅ Strong backend development and database management expertise Still thinking? Hit Invite button🖱️Now
    vsuc_fltilesrefresh_TrophyIcon Capybara
    OpenAI API
    AI Consulting
    AI Speech-to-Text
    Vue.js
    AI App Development
    Android App Development
    Python
    React
    iOS Development
    Flutter
    AI Mobile App Development
    Mobile App Development
    Laravel
    PHP
  • $45 hourly

    • 5.0/5
    • (24 jobs)
    As a full-stack developer, I've been architecting and building web platforms for more than a decade My tech stack: - Full-stack web platforms: Ruby on Rails, ExpressJS backend, Rust backend, NextJS frontend - Mobile: SwiftUI - DevOps / infrastructure: AWS / GoogleCloud / Heroku / Docker - Database design and management: PostgreSQL / MySQL / NoSQL Feel free to contact me about your project - I'm excited to learn more!
    vsuc_fltilesrefresh_TrophyIcon Capybara
    PostgreSQL
    DevOps
    React
    TypeScript
    Swift
    ExpressJS
    Next.js
    Rust
    Web Development
    Ruby
    Ruby on Rails
    MySQL
    MongoDB
    JavaScript
    HTML5
  • $18 hourly

    • 5.0/5
    • (1 job)
    Ruby on Rails developer with 2+ years of experience building and optimising high-quality web applications. Proficient in developing Spent Management systems, implementing Web Scraping solutions, and integrating Payment systems.Skilled in Ruby on Rails, RESTfull APIs, and process automation, with a proven track record of delivering scalable and user-centric projects. Passionate about creating innovative solutions that drive business success and enhance user experience
    vsuc_fltilesrefresh_TrophyIcon Capybara
    RSpec
    Linux
    Ruby on Rails
    PostgreSQL
    GraphQL
    Ruby
  • $25 hourly

    • 4.4/5
    • (158 jobs)
    ✅ 120+ Successful delivered Jobs ✅ 2,500+ Hours Professional Summary I am an experienced web developer with a robust background in Ruby on Rails, Shopify, HTML5, CSS3 (including SASS), and JavaScript (including AngularJS). With advanced skills in CMS development and customization, responsive design, and UI/UX, I excel at creating dynamic, user-centric digital solutions. My expertise extends to API integration (using Ruby on Rails and PHP), Shopify app development, and custom Shopify store design. I hold a Postgraduate degree in Computer Science from Bond University, Australia, and have a proven track record of managing global clientele, having traveled extensively across the USA, Canada, Australia, and Europe for business. My experience spans various domains including music, SaaS, real estate, education, business, law, healthcare, e-commerce, and more. Additionally, I have hands-on experience with cryptocurrency exchanges, including peatio, rubykube, and openproject. Core Competencies Programming Languages & Frameworks: Ruby, Ruby on Rails, Shopify, Sharetribe, Spree Commerce, Rack Databases: SQL, PostgreSQL, MySQL, MongoDB, SQLite, Redis Testing & Tools: TDD, Rspec, Guard, Watir, Capybara, FactoryBot, Selenium, Poltergeist Front-End Technologies: HTML5/HAML, CSS3/SCSS, jQuery, AJAX, Slim, Twitter Bootstrap, CoffeeScript JavaScript Libraries & Frameworks: React.js, Angular.js, ES6, JSX, TypeScript Version Control: Git (Github, Bitbucket, GitLab) Hosting & Cloud Services: Linux (UNIX), Heroku, Digital Ocean, AWS, Google Cloud, BlueHost, Joyent Other Skills: Web Scraping, Crawling, Data Mining Professional Expertise Project Management: Proficient in Agile Methodology, delivering milestones effectively with regular SCRUM meetings. Web Development: Skilled in creating cross-browser compliant HTML5, CSS, AJAX, and JavaScript solutions. Communication: Strong communication skills with a positive attitude, adept at explaining technical concepts to clients. Development: Experience in both front-end and back-end development, ensuring seamless functionality across websites. Project Management Tools: Asana Jira Basecamp Trello I look forward to exploring new opportunities and contributing to innovative projects. Please feel free to contact me for any collaboration or inquiries. Thank you, Ajay Dhande
    vsuc_fltilesrefresh_TrophyIcon Capybara
    API Development
    Shopify Apps
    Cryptocurrency
    PostgreSQL
    Ecommerce Website Development
    JavaScript
    Ruby on Rails
    HTML5
    Sharetribe
    CSS 3
    Shopify
  • $35 hourly

    • 4.7/5
    • (45 jobs)
    Java developer for 19 years. I have developed a web applications using Java, JSP, Servlets, DHTML, Java EE, JDBC and standalone Java applications. My competency lies in development of full end-end products. I'm seekin opportinities for build java based web applications, standalone Java applications or Eclipse plugins. Also have experience in the following areas: GWT, Swing, AWT, SQL, OOP, JUnit, OSGi, Maven, Ant, Git, SVN, CVS, Floreant POS, Marketcetera, Quickfix/J, Play 1.x, Docker and software design and testing.
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Core Java
    JavaFX
    HTML
    Spring Framework
    Java Persistence API
    KNIME
    J2EE
    Hibernate
    Jakarta Server Pages
    OSGi
    Java
    Eclipse IDE
    JavaScript
  • $40 hourly

    • 4.9/5
    • (30 jobs)
    Hello and welcome to my profile! I'm a Ruby on Rails back-end software engineer with more than 10 years of experience and almost 12.000 hours of proven track record here on Upwork. I'm in love with Ruby programming language and I'm very passionate when working. 💡My key skills are💡: Backend: ✅ Ruby on Rails ✅ MySQL, PostgreSQL, MongoDB ✅ RESTful APIs ✅ JSON API serializer, Rswag ✅ Prawn Frontend: ✅ jQuery ✅ Underscore.js ✅ Stimulus.js ✅ turbo_frame ✅ AJAX ✅ CSS/ CSS3 ✅ HTML/HTML5 ✅ Bootstrap 5.3.0 ✅ Zurb Foundation I'm skilled in test writing: ✅ Rspec, Cucumber, Capybara I am familiar with: ✅ AWS deploy ✅ Heroku deploy ✅ Capistrano I have worked a lot with 3rd party API integration (social networks, Google maps, mailing services, payments, video hosting) If you have an idea and need to implement it, then feel free to contact me and we'll discuss. I can build any product you want, either small Ruby script or complex Web application.
    vsuc_fltilesrefresh_TrophyIcon Capybara
    Capistrano
    RSpec
    RESTful API
    JavaScript
    Web Development
    API Integration
    Ruby
    PostgreSQL
    AJAX
    MongoDB
    HTML
    MySQL
    Ruby on Rails
    CSS
    jQuery
  • $30 hourly

    • 4.8/5
    • (35 jobs)
    ✅ Top Rated Developer ✅ 5 Star Feedback ✅ 100% Client Satisfaction ✅ 100% Job Success Rate ✅ Quality Service Guaranteed Along with being an RoR professional, I am also a professional problem solver. I am passionate about learning new things and using them to build something new and better. In fact, you don't have to worry about being in another time zone. I have extensive experience managing my work in a remote setting. Over the last 7+ years, I have developed a wide range of web applications using Ruby and Rails, and React. Right now my focus is helping my clients to build state of art Ruby on Rails/React applications that can help them achieve their business goals. My expertise lies in- -.Ruby (1.9 ~ 3.2.2) - Ruby on Rails (3.x, 4.x, 5.x. 6.x(Web Sockets (ActionCable)), 7.x(Hotwire(Turbo and Stimulus), Tailwind Css)) - MongoDB, MySQL, PostgreSQL, SQLite, Oracle - Amazon EC2, S3, RDS, CLOUD9, EBS, Heroku, and DigitalOcean services - API Frameworks (React js, Angular js, Vuejs, etc.) - TDD/BDD and unit testing tools eg RSpec, TestUnit, Cucumber, Capybara etc - Capistrano/Vlad for Deployments - REST API backend development for Mobile Apps - static analysis tools such as Rubocop, RubyCritic, Flay, Flog - Webpack, Yarn, Sidekiq/Redis(Elastic search) - Strong Front-end Skills: CSS/SCSS(Bootstrap, materialize or Foundation), JS (Vanilla, CoffeeScript, and ES6) - DevOps (Git (GitHub, GitLab, BitBucket), Jenkins, Docker) - Experience with Scrum and Agile methodologies In addition, I stay up-to-date with technology to give my clients the best of the services.
    vsuc_fltilesrefresh_TrophyIcon Capybara
    PostgreSQL Programming
    AWS Application
    Amazon S3
    Ruby
    Amazon Web Services
    Ruby on Rails
    Amazon DynamoDB
    SQL
    Angular
    jQuery
    Bootstrap
    MySQL
    React
    JavaScript
    AJAX
  • $30 hourly

    • 4.8/5
    • (20 jobs)
    I am a Fullstack developer with experience on Ruby on Rails and React js. Skills & Expertise: - Back-end: Ruby, Rails, - Front-end JS: ReactJs, jQuery, CoffeeScript , Stimulus - Front-end UI development: HTML5, Twitter Bootstrap - Databases: PostgreSQL, MySQL, Sqlite, Redis - TDD: RSpec - Chrome extension - Testing frameworks: Capybara - Scraping - Code Management Tools: Github, Bitbucket - Docker - Heroku, AWS(EC2, S3, SNS) - Project Management Tools: Trello
    vsuc_fltilesrefresh_TrophyIcon Capybara
    MySQL
    Redis
    RESTful API
    Heroku
    Google Chrome Extension
    PostgreSQL
    Data Scraping
    Selenium
    Git
    RSpec
    React
    Docker
    AWS Development
    Ruby on Rails
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