The Best Ruby Developers & Programmers For Hire In Vietnam

Check out Ruby Developers & Programmers in Vietnam with the skills you need for your next job.

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$22 hourly
- 5.0/5
- (4 jobs)
I have experience working in various tech roles, including technical advisor, team lead, senior software engineer, and full-stack developer. Responsibilities include consulting with clients to select the right technical solutions, recommending improvements, and coordinating with team members to ensure that projects are delivered on time and meet high standards. I also handle VPS management, deployments, and platform migrations using the latest technologies. Below are the tech stacks I’ve worked with: ☑ Ruby on Rails; PHP Laravel; Node.js, ExpressJS, NextJS; Kafka, GraphQL; HTML, HAML, JavaScript, TypeScript, JSON, XML, YAML; Testing: Rspec, Capybara, PHPUnit ☑ Databases: MySQL, PostgreSQL, MongoDB ☑ Server: nginx, Ubuntu, Cloudflare, and other CNDs; VPS: DigitalOcean, OVHcloud, Vultr ☑ SEO: JSON-LD, Google Pagespeed; Frontend: Vue.js, ReactjS, jQuery; Design: Bootstrap, Tailwind CSS, Foundation, Materialize ☑ DevOps: Docker, Kubernetes, Minikube, Helm, AWS, GCP; Version Control: Git, GitHub, GitLab, Bitbucket, Git Flow ☑ Domain & Email: Namecheap, GoDaddy, Custom email with Zoho, Email Hosting Services, Mailchimp, Mailgun I've worked with various projects, companies, languages, frameworks, CMS, and technologies, helping me quickly adapt and apply best practices. This broad knowledge allows me to efficiently handle performance and security issues and offer tailored solutions, diving deeper into problems as needed. Are you looking for a developer to: ◎ Build a website from scratch with high code quality ◎ Enhance security/performance/fix bugs/ implement new features independently or collaborate with your English-speaking team ◎ Improve Google Page Speed score I'm a Senior Software Engineer with 15 years of experience developing secure, scalable web applications. I can help resolve these issues. While I may not claim supremacy in this field, I offer a unique combination of commitments: ☑ I dedicate my time to the in-depth understanding of your challenges. ☑ Swift problem-solving: I quickly tackle complex technical issues that may challenge others. ☑ Security mastery: Years of experience inform my comprehensive security audits and implementations. ☑ Risk insight: I help you navigate and mitigate technical project risks, drawing on extensive experience. ☑ Performance enhancement: I specialize in advanced optimization for applications and databases. This approach sets me apart in delivering value and results. I've found some major problems in web applications: ◼ Slow loading times and poor performance ◼ Scalability issues during traffic spikes ◼ Security vulnerabilities and data breaches ◼ Poor database query optimization ◼ Difficulty maintaining and updating monolithic architectures ◼ Difficulty implementing complex business logic ◼ Poor test coverage and quality assurance processes My experience allows me to deliver results beyond basic requirements, anticipating needs and providing enhanced value.

Ruby
Full-Stack Development
CSS
API Integration
JavaScript
HTML
Next.js
Git
PHP
MongoDB
PostgreSQL
MySQL
Ruby on Rails
$25 hourly
- 5.0/5
- (33 jobs)
I am Ruby on Rails developer oriented to write pure and nice back-end code (i have over 9 years of experience). I like refactor existing code and writing tests. (I have experience with Capybara, RSpec) Also I have front-end skills in ReactJS, ReactNative, Javascript, JQuery, HTML, HAML, Twitter Bootstrap and CSS. In front-end offcourse my favourite part is programming in js.

Ruby
RESTful API
CSS
Amazon S3
Amazon EC2
Bootstrap
jQuery
API Development
Ruby on Rails
React
Web Development
HTML
$20 hourly
- 5.0/5
- (1 job)
Hello, I'm a highly experienced software developer with 5 years of hands-on experience building robust web applications using Ruby on Rails. I have a passion for solving complex problems and delivering high-quality software that meets the needs of businesses and end-users alike. Throughout my career, I have worked on a variety of projects ranging from small startups to large corporations. My expertise includes in-depth knowledge of Ruby on Rails, JavaScript, HTML/CSS, and SQL, along with experience in using various software development tools such as Git, GitHub, and Jira. In my current role, I work collaboratively with cross-functional teams to build and maintain complex applications that are both scalable and user-friendly. I am experienced in Agile development methodologies and have a strong understanding of the importance of delivering code on time and within budget. I am a self-motivated individual who takes pride in my work and is committed to staying up-to-date with the latest industry trends and technologies. I have excellent problem-solving skills and am always seeking new and innovative solutions to the challenges presented in software development. I am a strong communicator and an effective team player who enjoys working in a collaborative environment. I believe in building strong relationships with clients and stakeholders and take a consultative approach to understand their unique needs and provide solutions that exceed their expectations. If you're looking for a skilled and experienced Ruby on Rails developer who can deliver quality code and exceptional results, please don't hesitate to contact me!

Ruby
Amazon EC2
DevOps
Bootstrap
Tailwind CSS
React
React Native
MySQL
AWS Amplify
SQL
Ruby on Rails
PostgreSQL
$30 hourly
- 5.0/5
- (16 jobs)
Expert Full-Stack Developer Specializing in Ruby on Rails & Beyond AI prompt developer with experience on GTPscript With 8 years of hands-on experience, I offer comprehensive expertise in Ruby on Rails and a diverse range of frameworks including JavaScript, NodeJS, Python, and Elixir. My mission is to deliver innovative solutions that optimize performance and streamline processes for your projects. Core Strengths: - Performance Optimization: Leveraging my deep understanding of caching, database optimization, memory management, and multi-threading/multi-processing to maximize application efficiency. - Problem Solving: Adept at researching and implementing multiple approaches to tackle complex challenges, ensuring robust and scalable solutions. - System Upgrades: Proven track record in seamlessly upgrading systems and applications to the latest technologies, ensuring compatibility and enhanced functionality. - Automation Expertise: Specializing in automating deployment processes, continuous integration/delivery (CI/CD), and Infrastructure as Code (IAC), streamlining workflows and minimizing manual intervention. --- Ruby: Experience: 8 years Frameworks: Rails, Sinatra Projects Highlights: + Managinejp (minagine.jp) + Crypto trading platform based on Rubykube Peatio open source + Moneyforward JP (invoice: biz.moneyforward.com/invoice/) + Various successful Upwork projects --- JavaScript: Experience: Libraries: jQuery (8 years) Frameworks: ReactJS (4 years), AngularJS NodeJS: Express Project Highlights: + Crypto trading platform based on Rubykube Peatio open source + Moneyforward JP (invoice: biz.moneyforward.com/invoice/) + Personal projects --- Python: Experience: 2 years Frameworks: Django, Flask Project Highlights: Developed a medicine mind map system for a client Implemented NLP tools (rpc protocol, Spacy) for microservices system (hei.io) Voice cloning project --- Elixir: Proficiency: Intermediate Libraries/Frameworks: Phoenix LiveView, Phoenix Project Highlights: Personal projects --- System & Architecture: AWS Certified Developer: Certified in AWS development, proficient in designing and implementing scalable cloud architectures.

Ruby
NGINX
React
Amazon Web Services
JavaScript
AJAX
Ruby on Rails
SQL
jQuery
AWS Systems Manager
Optimizely
IT Infrastructure
CI/CD
Test-Driven Development
Linux
$35 hourly
- 5.0/5
- (101 jobs)
I am a professional software engineer with more than 8 years of experience in web development. I also a lead of a team consisting of highly experienced web/mobile developers. 𝗠𝘆 𝘀𝗸𝗶𝗹𝗹 𝘀𝗲𝘁: • Ruby on Rails, NodeJS, Django • Shopify App Development • Mobile Application Development • API Web services development and Integration • Application architecture design • Attention to details • Proactive communication skills 𝙊𝙩𝙝𝙚𝙧 𝙙𝙚𝙩𝙖𝙞𝙡𝙨 𝙖𝙗𝙤𝙪𝙩 𝙢𝙮 𝙚𝙭𝙥𝙚𝙧𝙩𝙞𝙨𝙚: ✅ 𝗪𝗲𝗯 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝘀𝗸𝗶𝗹𝗹𝘀: • Ruby on Rails, NodeJS, Django • E-Commerce: Spree, Shopify, Sharetribe • TDD and Unit Testing with Cucumber, RSpec, Cabybara, FactoryBot • Front-end technologies: AJAX, CSS3, HTML5, jQuery, BackboneJS, AngularJS, ReactJS, TypeScript • Mobile-first responsive design: Bootstrap, Tailwind, MaterialUI • Relational and NoSQL databases: MySQL, PostgreSQL, MongoDB, Redis • Payment service integration: Paypal, Stripe, Checkout, Inpendium, Braintree, Authorize.net • Application Monitoring: NewRelic, BugSnag, Errbit, Rollbar • Deployment platforms: Heroku, AWS, Rackspace, DigitalOcean, VPS, EngineYard • Amazon Web Services: CloudFront, Elastic Load Balancer, RDS, ElasticCache, ElasticBeanstalk, EC2, Route53, Kinesis, Lambda, etc • Continuous Integration Deployment: Tddium, Travis, CircleCI • Social network and third-party integration: Google Maps, Google API, Facebook, Slack, Twitter ✅ 𝗢𝘁𝗵𝗲𝗿𝘀: • DevOps skills: configuring deployment server, troubleshooting and debugging server issues • Designing multilingual applications • Git workflow • Management tools: Trello, PivotalTracker, Asana, Basecamp

Ruby
Vue.js
Tailwind CSS
Bootstrap
Django
Python
React
JavaScript
Ruby on Rails
CSS 3
Amazon Web Services
$17 hourly
- 4.9/5
- (41 jobs)
Hello!🙇 My name is Cam. I am a Full Stack Ruby On Rails developer with over 5 years of experience. I'm working for one of the biggest E-commerce stock image companies in Japan🇯🇵 as a Fullstack engineer. I can help you design, build, operate and optimize systems, high-availability while minimizing cost. I also speak English🏴󠁧󠁢󠁥󠁮󠁧󠁿 and Vietnamese🇻🇳 fluently. 📌 TOOLS: Terraform AWS services: S3, RDS, VPC, EC2, Autoscaling, ELB, Cloudwatch, Cloudtrail, API Gateway, Cloudfront, Route 53, Kibana, Electic search... 📌 Programming language: Python, Javascript, ruby, react.js, javascript, HTML, CSS 📌 OS and Platforms: Linux, Mac OS 🌟 WHY CHOOSE ME OVER OTHER FREELANCERS? 🌟 ✅ Client Reviews: I focus on providing VALUE to all of my Clients and Earning their TRUST. The Client Reviews and Feedback on my Profile are immensely important to me and the value that I provide. ✅ Over-Delivering: This is core to my work as a Freelancer. My focus is on GIVING more than what I expect to RECEIVE. I take pride in leaving all of my Clients saying "WOW" ✅ Responsiveness: Being extremely responsive and keeping all lines of communication readily open with my Clients. ✅ Resilience: Reach out to any of my Current of Former Clients and ask them about my Resilience. Any issue that my Clients face, I attack them and find a SOLUTION. ✅ Kindness: One of the biggest aspects of my life that I implement in every facet of my life. Treating everyone with respect, understanding all situations, and genuinely wanting to IMPROVE my Client's situations. Bests! Cam

Ruby
Website
Ubuntu
AWS Systems Manager
DevOps
RESTful Architecture
MySQL
GitHub
JSON
Ruby on Rails
CSS
JavaScript
HTML
$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

Ruby
Time Management
Ruby on Rails
CodeIgniter
Python
PHP
JavaScript
Data Scraping
Data Mining
Data Extraction
$30 hourly
- 4.9/5
- (8 jobs)
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

Ruby
API
Web Development
CSS 3
HTML5
Node.js
JavaScript
HTML
Ruby on Rails
$18 hourly
- 5.0/5
- (6 jobs)
20-year illustrious tenure in software development as a Developer and Project Manager, specifically tailored for the dynamic Japanese market. I'm currently being a passionate founder of AMCOLAB, leading a strong team of 35. We are like a family, we look after one another and create an inspiring environment for our developers to shine their way. Strong background of project requirement analysis, development processes, and information handling with dedication and ability to launch every single project successfully without any hassle. ✅CORE EXPERTISE: Ruby, Ruby on Rails, NodeJS, Python, HTML, HAML, SLIM, CSS, SCSS, ReactJS Flutter, Flutter Flow, Dart ✅TESTIMONIALS: What our clients say: “Quickly response, detail-oriented.” “Awesome vendor. Professional at making proposals covering requirement analysis. Skilled engineers” “You did a wonderful job. I have never met such a wonderful person, who is highly specialized and has the ability to get things done exactly. We look forward to working with you again in the future. Thank you.” “Good communication, smart questions, and perfect suggestions." “Thank you very much. Your response was very sincere, and I'm glad to have you in my project.” “When I looked at the team's response and your works, it was the best compared oversea outsourcing companies I had worked with."

Ruby
Mobile App Development
Problem Solving
Flutter
SCSS
CSS
Slim
HAML
HTML
Vue.js
JavaScript
Node.js
React
FlutterFlow
Ruby on Rails
$20 hourly
- 5.0/5
- (1 job)
Dynamic and Versatile Ruby Full-Stack Developer | Elevating Web and Mobile Solutions Welcome to my Upwork profile! I'm a passionate and dedicated Ruby Full-Stack Developer, specializing in crafting exceptional web and mobile experiences. With a robust background in both front-end and back-end development, I'm here to bring your visionary projects to life. Let's collaborate to create something remarkable! Professional Experience: I. Project Experience: Diverse Portfolio: Successfully developed and maintained websites and CMS, catering to a wide range of audiences from small-scale (~25 daily users) to medium-scale (~5000 daily users) operations. Problem Solver: Skilled in identifying and resolving complex technical issues, ensuring seamless user experiences. II. Technical Expertise: Primary Language: Ruby, with extensive experience in Ruby on Rails and Trailblazer. Additional Proficiencies: Proficient in Javascript (Vanilla), Java (Java Core 8, Java Spring), and C# (.NET, WPF), enabling versatile development solutions. Operating Systems: Comfortable working with MacOS for development, with experience in deploying projects on Ubuntu, CentOS 7, and Windows environments. III. Database Management: Database Expertise: Proficient in managing and optimizing databases using PostgreSQL and MySQL, ensuring data integrity and performance. IV. Additional Skills: Tools and Technologies: Experienced in utilizing Docker, FFMPEG, and Google Presentation API, among others, to enhance project functionality and efficiency. Commitment to Growth: I am deeply committed to continuous learning and professional development. I eagerly embrace new challenges and am always open to exploring innovative technologies and methodologies. Let's Connect: Feel free to reach out to discuss how we can work together to turn your ideas into reality. I'm excited about the opportunity to collaborate and contribute to your success!

Ruby
CentOS
RubyMine
FFmpeg
Ubuntu
Docker
Ruby on Rails
Web Application
Web Development
$35 hourly
- 0.0/5
- (1 job)
I'm a Software engineer with 2+ years experience in the back-end development. I'm very enjoy to customize all of the development environment, interested in devising a better problem-solving method for challenging tasks, and learning new technologies and tools if the need arises. I want to get as much experience as possible in coding and broaden future opportunities for a higher level

Ruby
Linux
Database
Product Development
Bash
Docker
Golang
GraphQL
Git
Ruby on Rails
JavaScript
PostgreSQL
$20 hourly
- 5.0/5
- (1 job)
I love writing code, especially clean code. Discipline in writing clean, nice to read and reusable code is a rule of thumb that I always follow and keep it to myself. I helped the customer to fix his messed up crawler, which was written 4 years ago, and I don't just want to fix or make it run, I wrote the code and thought of these lines of code should be nice for years so we wouldn't see this pain anymore. Now I'm working as fullstack web developer, with 4 years of experiences. I always have the eager to learn new thing on my own, expand my skills and knowledge. Learning is one of the most thing that I love in this job. I can offer you 10 hours of work for free to build the trust, you can pay me later if you're sastified with my works Technologies I work with: Front End: ✅ React.js ✅ Redux (basic) ✅ HTML5, CSS and ES6 JavaScript ✅ CSS Preprocessors: SASS/SCSS ✅ Bootstrap/Tailwind Back End: ✅ Ruby on Rails Database: ✅ Postgresql Cloud Services: ✅ AWS ✅ Heroku The reasons to choose me: ✅ Trying to do my best because I want to get good feedback from clients. ✅ Deliver things on time and with correct requirements are important to me ✅ I always keep my clients updated about their projects through regular communication. ✅ I trust in long-term relationships.

Ruby
Scrum
GitHub
Agile Software Development
Tailwind CSS
Ruby on Rails
Web Application
Bootstrap
HTML
PostgreSQL
JavaScript
React
CSS 3
CSS
$20 hourly
- 5.0/5
- (4 jobs)
I'm a Full Stack Software Engineer with 6+ years of experience in development. ⭐ TECHNICAL SKILLS: Programming language: ✅ Ruby, Javascript, TypeScript. Frameworks/Platforms: ✅ Ruby on Rails, React Native, ReactJS, Next.js, Vue.js, jQuery, Bootstrap, Tailwind, Stimulus. Extensive experience in designing and implementing API: ✅ REST APIs, GraphQL. Database management systems: ✅ PostgreSQL, MySQL, MongoDB. Extensive experience in testing: ✅ RSpec, MiniTest, Capybara. DevOps: ✅ Cloud Computing Platforms: Heroku, Amazon Web Services, Google Cloud Platform, Microsoft Azure. ✅ Setting up CI/CD pipelines. ✅ Web Server/Application Server: Nginx, Apache, Passenger. ✅ Deployment: PM2, Capistrano. ✅ Publish an IOS App to App Store, and Publish an Android App to Google Play. ✅ Using Docker, Git. Payment: ✅ Stripe API. Operating Systems: ✅ macOS, Ubuntu, Windows, CentOS. Others: ✅ Good understanding of OOP methodologies, SOLID principles, and design patterns. ✅ Hotwire Turbo. With a strong technical skill set, DevOps expertise, and a solid understanding of software engineering principles, I am committed to delivering high-quality solutions that meet the needs of clients. I am a proactive learner who keeps up with the latest industry trends and technologies. Thank you for visiting my profile and taking the time to learn more about my skills and experience. I appreciate your interest and consideration. If you have any questions or would like to discuss potential projects, feel free to reach out to me. I'm looking forward to the opportunity of working together and contributing to the success of your projects. Have a wonderful day!

Ruby
Stripe API
Heroku
React Native
Tailwind CSS
RESTful API
DevOps
PostgreSQL
Bootstrap
GraphQL
Vue.js
Amazon Web Services
Next.js
React
Ruby on Rails
$30 hourly
- 5.0/5
- (2 jobs)
UNIX systems engineer with 20 years experience in high-load web services, databases, configuration management systems, automation and git. Strong academic background (applied mathematics university degree). Close to a decade of experience working in distributed/international/multi-cultural teams. Caused and witnessed enough downtimes to gain unique experience in change management and incident response, remediation and prevention. A computer geek for last 30 years. Free software supporter. Smart home automation enthusiast. Homelabber. Adopter of GTD. Practitioner of Rubber duck debugging.

Ruby
Cloud Computing
Automation
TCP/IP
Unix System Administration
MySQL
DNS
CI/CD
Git
PHP
Kubernetes
Bash
Python
Linux
Systems Engineering
$10 hourly
- 5.0/5
- (2 jobs)
Having been at the forefront of technology development for over 7 years, I am confident in my ability to be your ideal partner for sustainable growth and digital transformation. My commitment to excellence has enabled me to become a reliable ally for businesses aiming to thrive in the digital era. My Expertise: I bring a broad range of capabilities in designing and delivering comprehensive web application solutions that address complex business needs. From cloud-based architectures to scalable, user-centric platforms, I specialize in creating digital experiences that are both intuitive and impactful. My Experience: I have led and contributed to projects that range from sophisticated, high-traffic web applications to agile solutions for rapidly evolving business environments. My approach is centered around understanding each client’s unique challenges and implementing strategies that enhance operational efficiency and drive results. My Skills: I excel in bridging the gap between business goals and technical execution, offering solutions that are not only technically sound but also aligned with long-term objectives. My experience spans infrastructure, scalable backend solutions, and seamless front-end interfaces. My Commitment: I am dedicated to fostering partnerships based on trust and mutual growth, where exceptional digital solutions are delivered consistently. My focus is on ensuring that your vision is realized through innovation, strategic planning, and a deep commitment to quality. I look forward to exploring how we can collaborate to achieve your goals.

Ruby
Android
Flutter
Cloud Application
Django
Ruby on Rails
Vue.js
React
Flask
Node.js
PHP
Laravel
Amazon Web Services
WordPress Plugin
WordPress
$25 hourly
- 5.0/5
- (26 jobs)
Name: Hien Nguyen Sex: Male Nationality: Vietnamese Years of Experience: - 6+ years of experience in programming with Ruby on Rails, Rspec, sidekiq, redis, AWS - 10 years of experience in programming with C#, ASP .NET languages.

Ruby
ERP Software
Heroku
Amazon EC2
JavaScript
PostgreSQL
Microsoft SQL Server
MySQL
jQuery
Ruby on Rails
$30 hourly
- 5.0/5
- (17 jobs)
I am a skilled engineer with experience in machine learning projects. I started working on machine learning three years ago, using C, Python and R to solve problems like anomalies detection, pedestrians recognition, image classification, recommendation system... As a freelancer, I have experience in working on short-term and long-term contracts and available to work up to 30 hours per week.

Ruby
Selenium
Data Analysis
Tableau
Scrapy
Data Science
Machine Learning
TensorFlow
Python
Deep Learning
$35 hourly
- 4.7/5
- (39 jobs)
I am proficient in full stack ROR web development (10 years hands-on experiences) and have built several challenging end-to-end software solutions using technical best practices. My strength lies in outstanding problem solving and analytical skills, as well as being a highly organized engineer. Thanks for your consideration.

Ruby
PostgreSQL
Angular
Vue.js
API
Ruby on Rails
AWS Fargate
HTML
Node.js
JavaScript
$25 hourly
- 4.7/5
- (5 jobs)
I am a professional web developer with over 8 years of experience. My current main framework for web development is Ruby on Rails. I started using this framework in 2013 and eventually fell in love with it. Rails has now become a part of my life. Using Ruby on Rails and other technologies, I can realize innovative ideas and turn them into products that add great value to users. I always look for new challenges and never stop improving myself in order to become an expert in the field of web development. My main areas of expertise: + Ruby on Rails + Ruby gems: Devise, Carrierwave, Paperclip, HAML, Capistrano, Resque, Sidekiq, Mongoid and more + TDD and Unit Testing with Cucumber, Rspec, Cabybara + Front-end technologies: AJAX, CSS3, HTML5, jQuery, ReactJS, React-Redux + Mobile-first responsive design: Bootstrap, Zurb Foundation + Relational and NoSQL databases: MySQL, PostgreSQL, MongoDB, Redis + Payment service integration: Paypal, Stripe, Checkout, Inpendium + Deployment platforms: Heroku, AWS, DigitalOcean, VPS + Amazon Web Services: CloudFront, Elastic Load Balancer, OpsWorks, ElasticCache, ElasticBeanstalk, etc + Social network and third-party integration: Google Maps, Google API, Facebook, Twitter + Multilingual web applications + Git workflow + Management tools: Trello, Pivotal Tracker, Redmine, JIRA.

Ruby
Git
React
NGINX
Ruby on Rails
MySQL
MongoDB
CSS 3
JavaScript
$20 hourly
- 5.0/5
- (23 jobs)
I am a professional web developer with over 8 years of experience. My current main framework for web development is Ruby on Rails. I started using this framework in 2013 and eventually fell in love with it. Rails has now become a part of my life. Using Ruby on Rails and other technologies, I can realize innovative ideas and turn them into products that add great value to users. I always look for new challenges and never stop improving myself in order to become an expert in the field of web development. My main areas of expertise: + Ruby on Rails + Ruby gems: Devise, Carrierwave, Paperclip, HAML, Capistrano, Resque, Sidekiq, Mongoid and more + TDD and Unit Testing with Cucumber, Rspec, Cabybara + Front-end technologies: AJAX, CSS3, HTML5, jQuery, ReactJS, React-Redux + Mobile-first responsive design: Bootstrap, Zurb Foundation + Relational and NoSQL databases: MySQL, PostgreSQL, MongoDB, Redis + Payment service integration: Paypal, Stripe, Checkout, Inpendium + Deployment platforms: Heroku, AWS, DigitalOcean, VPS + Amazon Web Services: CloudFront, Elastic Load Balancer, OpsWorks, ElasticCache, ElasticBeanstalk, etc + Social network and third-party integration: Google Maps, Google API, Facebook, Twitter + Multilingual web applications + Git workflow + Management tools: Trello, Pivotal Tracker, Redmine, JIRA.

Ruby
Heroku
API
RSpec
Amazon EC2
jQuery
AngularJS
Ruby on Rails
React
Node.js
SQL
Amazon Web Services
PostgreSQL
ExpressJS
$15 hourly
- 4.1/5
- (9 jobs)
Hello 👋🏼, my name is Loc 👨🏻‍💻 I am a Full Stack Developer | Ruby on Rails Expert! Thank you for visiting my profile! 👉🏻 Here are some of my accomplishments and qualifications that will help me with your project: ⚡️ 5+ years of experience as a Full-stack Ruby on Rails developer ⚡️ Bachelor of Information Technology ⚡️ I can work well on both frontend and backend sides ⚡️ I have experience well with deploy, Rspec, Integration test ... ⚡️ I have a love for working in Ruby on Rails project Technical Skills ⭐⭐⭐⭐⭐ ⭐ Core Ruby, Ruby on Rails, Hotwire, Web Scrapping, Crawling, TDD, Devops ⭐ Twitter Bootstrap, HAML, Slim, SASS ⭐ jQuery, CoffeeScript ⭐ HTML5, CSS3, JavaScript (ES6) ⭐ PostgreSQL, MySQL ⭐ TDD: RSpec, Capybara ,MiniTest ⭐ Data Crawling/API Developing ⭐ Github, Heroku, AWS EC2, DigitalOcean ⭐ Redis, Mechanize, DelayedJob ⭐ Payment Gateways, Stripe & Stripe Connect, Paypal , Venmo ⭐ JIRA, Asana, Clickup, Trello etc ❤️ I believe in hardworking and honesty. I am always interested in making long-term professional relationships with my clients to ensure that every project succeeds. ❤️ So, if you hire me, I can assure you that you will not reject your decision. Thank you!

Ruby
RSpec
PostgreSQL
NGINX
API
RESTful API
Data Scraping
AWS Development
Ruby on Rails
JavaScript
CSS
HAML
HTML5
SCSS
React
$20 hourly
- 4.4/5
- (8 jobs)
Hello everyone! It's Mark from JUST.engineer: a team of developers from Hanoi, Vietnam. Our team's proficient in web, mobile, and software development (incl. AI & ML development). I'll be happy to lend you a hand to bring your ideas on with fair hourly rates, especially if you have lots of projects in mind (we're quite experienced in MVP development as well). Our tech expertise lies with: - JavaScript - Ruby/Rails - React - React Native - Typescript - Redux-Saga - Gatsby - DigitalOcean - Vue.js - Node - Firebase - AWS - HTML/CSS - TailwindCSS. You can always contact me here or via email (tuan.anh@just.engineer).

Ruby
Node.js
React
Swift
React Native
NestJS
Vue.js
Google Cloud Platform
MySQL
Ruby on Rails
Amazon Web Services
PostgreSQL
$23 hourly
- 0.0/5
- (1 job)
I am a full-stack developer with over 7 years of experience in Ruby on Rails and React. I have developed, maintained, upgraded, enhanced, and led more than 60 Total Projects in a variety of sizes and industries. Certainly, proactive communication and code quality are the main factors I emphasize for Job Success. I help my customers solve their problems within their limits, bring better website with higher competitiveness and revenue. My PROFICIENCY and EXPERTISE: + Agile Method: Scrum, Kanban. + Knowledge Base: OOP, Design Patterns, MVC, MVP, Microservices. + Application Communication: Restful API, GraphQL, WebSocket. + Web App Framework: Ruby on Rails. + Authentication and Authorization RubyGems: devise, cancancan, rolify, omniauth, jwt, etc. + Other RubyGems: prawn, activeadmin, aasm, acts_as_list, whenever, etc. + Background Jobs: Rails Active Job, Sidekiq, Resque. + Real-time: Rails Action Cable, Firebase, Twilio, etc. + Ruby on Rails Open-source: Chatwoot. + TDD and BDD: Rspec, Capybara, Selenium, etc. + Main Frontend Languages: HTML, CSS, JS. + UX, UI Responsive: Bootstrap, Tailwind, Jquery, etc. + SPA: React, Redux, React Router, etc. + React-based Framework: Next.js - SPA SEO resolution using SSR and SSG. + Core Web Vitals: CLS, LCP, INP enhancement. + SQL and No SQL Database: PostgreSQL, MySQL, MongoDB, Redis, etc. + Search Engine: ElasticSearch, Algolia, etc. + Payment Gateway: Stripe, Braintree, etc. + Cloud Computing: Amazon Web Services, Heroku, Digital Ocean, Vercel, etc. + Linux-based: SSH, CronJob, Log Rotation, etc. + Web Server: Nginx, Apache. + Application Server: Puma, Passenger. + Deployment Script: Mina, Capistrano, etc. + CDN: Cloudflare, Cloudfront. + Mail Service: Mailgun, Mailchimp, Sendgrid, etc. + Web Tracking and Analytics: Newrelic, Rollbar, Bugsnag, Sentry, etc. + Other DevOps Skills: Git, Docker, CI/CD, DNS management, HTTPS SSL cert installation, Scaling, Load Balancing, etc.

Ruby
CI/CD
Docker
Vercel
DigitalOcean
Heroku
Amazon Web Services
Braintree
Stripe
Responsive Design
Next.js
React
Ruby on Rails Stack
Full-Stack Development
$15 hourly
- 4.6/5
- (4 jobs)
I am a Ruby on Rails developer for around 3 years and have contributed/developed various web application and RESTful API. I liked Rails because it built web applications very quickly and I also used it to satisfy some fastidious customers I can help you to: - Build application from scratch, - Maintenance your app, - Refactor your legacy code, - Write Test for your entire system, - Develop new features, fix bugs, and tackle issues, - Optimize query or app performance, - Customize or add ActiveAdmin to your site, - Payment Integration using (Stripe), - Upgrade your Rails app! Technology that I have used so far: - Ruby, Ruby on Rails - Javascript, Ajax, jQuery - Front-end: html, slim, simple_form, Bootstrap - Databases: PostgreSQL, MySQL, MongoDB - Deployment: AWS, Heroku - Testing: Rspec, Mini-test - Payment: Stripe, Stripe Connect - Sidekiq - Better-errors - Kaminari - Will-paginate - Ransacker - ActiveAdmin - Faker - etc. Let's create something together and make the world a better place!

Ruby
Heroku
Stripe API
DigitalOcean
Slim
Tailwind CSS
MySQL
PostgreSQL
JavaScript
Front-End Development
Amazon Web Services
Ruby on Rails
$10 hourly
- 0.0/5
- (0 jobs)
DEVELOPER Objective Seeking an web programming job with a good environment where I would able to promote my web programming knowledge and to use the knowledge gained in my study process. ? March 1, 1995

Ruby
Python
PHP
Laravel
Ruby on Rails
Django
React
$25 hourly
- 0.0/5
- (0 jobs)
My Skills : * Ruby on Rails: about 4 years * ReactJS, VueJS, Jquery, NuxtJS * AWS, SEO * HTML, CSS, JS * MySQL, PostgreSQL, SQL Server * Docker, ElasticSearch * Git * Agile/Scrum My Hobbies: Music, Badminton, Guitar, Go Backpacking, Go Fishing

Ruby
Google Search Console
SEO Performance
AWS Systems Manager
Nuxt.js
Scrum
Elasticsearch
SQL
React
CSS
Git
MySQL
Docker
Ruby on Rails
jQuery
$20 hourly
- 0.0/5
- (2 jobs)
Master of Gemstones (Ruby, Sapphire, Spinel) Master of Jewelry Design in Vietnam Master of Jewelry Rendering in Vietnam Member of BNI Hanoi2

Ruby
Jewelry
Gemstone
Specifications
Jewelry Rendering
Jewelry Design
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