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US$35 / 15 mins5.0 (2548 reviews)Sinatra Expert

Experienced (18+ years) developer and friendly Ruby on Rails and React/Next.js/Redux Developer/Mentor (with passion for helping others learn) | ★ 3,655+ 5 ★ sessions/jobs. 9+ years on top of the Codementor Ranking ★ https://www....

SinatraAngular PostgreSQL Reverse Engineering Ember.js AI AWS Ruby Ruby on Rails jQuery MySQL Git AJAX Database Bash API OOP Serialization Selenium Heroku GitHub RSpec Devise Amazon EC2 Amazon S3 Highcharts RubyGems Redis Machine learning YouTube API Elasticsearch OAuth 2.0 Client server Authorization Cloud Paperclip Capybara Capistrano Bundle npm Nokogiri OmniAuth Carrierwave BDD Factory girl Actionmailer Simple form Instagram Test driven development Minitest Stripe Bootstrap Pundit Git branch Shopify Delayed job Web Development CanCan Auth Papertrail Sidekiq Es6 Stripe Payments React Railsadmin Git webhooks SNS Grape Git pullrequests GitHub Flow Grape api Rubocop Cache Active admin Jwt Stripe ruby JavaScript Git flow Braintree Neural Networks Active record Factorygirl MySQL Optimization Webpack Jbuilder Amazon SNS Kaminari Heroku addons Rails migrations React Native Pattern recognition Cancancan Git rebase Redux Youtube data api Webhook Omniauth linkedin Rspec3 GraphQL Aws sdk Omniauth facebook Rspec2 Stripe api Actovemodel serializer Omniauth github Rails admin Administrate Apollo Elastic Load Balancer Aws elastic beanstalk New Relic Security software ChatGPT LLM+108

Marek Publicewicz

US$29 / 15 mins5.0 (261 reviews)Sinatra Expert

* in 2000 as a founding engineer, I helped to build a local version of [Morningstar.com](http://morningstar.com/) from the idea to IPO and scale the development team from 1 to 10; I've administered Linux & FreeBSD servers, manag...

Joel Serino

US$22 / 15 mins5.0 (2 reviews)Sinatra Expert

Technical cofounder, board member, and seasoned operator with experience building and growing early stage companies (pre-seed to late Series), large scale government and commercial projects, and nonprofits.

SinatraRuby HTML/CSS Python Android SQL Node.js Git SEO Xcode API Google App Engine Lambda Underscore.js Project management CRM Firebase E-commerce CMS Shopify Web Development Analysis Landing pages Development Team Building Entrepreneurship Team collaboration React Leadership Management Strategy Consulting Platform Software Development Mentoring Algolia Deep Learning Product design Blockchain Design thinking Data analytics Digital marketing IBM Watson CTO Training AWS Lambda iOS Gatsby Netlify UX/UI Design Headless CMS Agile Education Marketing Funnel Optimization Rasa OpenAI Fundraising Tailwind css Deno Supabase Security software Software architecture AI DevOps LLM Marketing campaign LLaMA Ruby on Rails jQuery Angular Heroku GitHub SDK Google Analytics Responsive Design Automation Continuous Integration Licensing Local storage npm Tracking Liquid Bootstrap SPA Web Design Full Stack Grunt Data Science Google Cloud Platform Startups Apache commons GitHub Flow Bootstrap 3 Flux JavaScript Git flow Back-End Branding Event tracking SEO Analysis White seo Scrum Master Conversion tracking React Native Microservices Agile Coach Nodejitsu Ethical Hacking Redux Ethereum GraphQL Growth Marketing Serverless Graph.cool Growth Open Source Software Prisma Polaris Express.js AWS+114

Delon Newman

US$22 / 15 mins5.0 (1 reviews)Sinatra Expert

I love helping people leverage the power of data and software. I’ve had the privilege of doing so in various roles for over 20 years. My specialty is working with stakeholders to develop extensible scheduling, workflow, and form s...

Scott Stubblebine

US$30 / 15 minsSinatra Expert

I have been a full-stack developer, specializing in backend architecture and development for almost 10 years. During that time I’ve worked for several small startups and larger companies across a variety of stacks.

SinatraPHP C#Bash Heroku Jenkins TYPO3 Web Development Ruby HTML/CSS Python SQL Ruby on Rails Django jQuery MySQL Angular Flask CSS3 PostgreSQL OpenCV React Web Servers JavaScript RubyMotion DigitalOcean Vue.js Sass AWS+23

Within 15 min, I was online with a seasoned engineer who was editing my code and pointing out my errors … this was the first time I’ve ever experienced the potential of the Internet to transform learning.

Tomasz Tunguz

Venture capitalist at
Redpoint Ventures

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Paul Gasbarra

US$8 / 15 minsSinatra Expert

Hi there, I'm Paul. I live in New Jersey. I’ve been a developer for 9 years now. I came to software development because I love to create things. I love it when people use those things, and I love it when those things help people. ...

SinatraRuby HTML/CSS Python Ruby on Rails Django Node.js Backbone.js AJAX JSON jQuery UI GitHub D3.js TypeScript React JavaScript Redux AWS+12

Wayne Liu

US$25 / 15 mins5.0 (5 reviews)Sinatra Expert

GitHub: https://github.com/waynel LinkedIn: https://www.linkedin.com/in/wwwayneliu/ Note: For the past 2 years, I've been heavily focused on AI Engineering and AI-augmented Software Engineering - building features that use large ...

SinatraRuby HTML/CSS Python Java C++SQL Ruby on Rails Django Node.js MySQL PostgreSQL Redis Docker React Startups JavaScript Apache Kafka Kubernetes React Native Interview Preparation Golang LLM+17

Matt Tanguay-Carel

US$32 / 15 mins5.0 (185 reviews)Sinatra Expert

I do consulting and web development. I've worn many hats but these days I tend to work with startups and coach other developers.

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