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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!
Hey! I am Johnny B. 🙏
(Actually, my Romanian friends call me Ionică, which in English is basically: Johnny).
...and I 💖 emojis!
I started coding around 2010, starting with simple static websites, WordPress applications, and then tried Node.js for the first name around 2012. Since then, I have been working with Node.js. I like it a lot.
Currently, I do the best in:
★ Node.js 🚀
☆ Command line tools
☆ Express.js
☆ Passport
☆ Raw/minimal code, without frameworks (e.g. simple HTTP server)
☆ Using npm
☆ Creating npm packages for Node.js (and for the front-end as well)
☆ Scraping the web
☆ Automation of repetitive tasks
☆ Image processing
★ JavaScript ✨
☆ Creating and importing libraries
☆ jQuery (creating plugins, using them etc)
☆ Scraping
☆ Automation of repetitive tasks
☆ Publishing npm packages
☆ SVG (SVG.js, d3.js)
★ HTML & CSS 🎨
☆ Fixing CSS quick issues
☆ Implementing mockups
☆ Making the page responsive
☆ SEO tips & tricks
★ Command line 💻
☆ Shortcut tips
☆ Creating command line tools
☆ Using VIM & Tmux
★ Code Review 👀
☆ I do code review offline, for Node.js, JavaScript, eventually CSS.
☆ Can be done in a live session as well.
☆ Security checks
☆ I point things that can be done in a better way
★ Using Git & GitHub/GitLab/BitBucket etc. 😸
☆ Introduction to how Git works
☆ Using Git hosting services (e.g. GitHub, GitLab, BitBucket etc)
☆ Top Git commands
☆ Shortcuts
If I can help, I will definitely do it, as long your app is not promoting things that tend to be potentially immoral. For example, I'm happy to help you build an e-shop, but I will probably not build an e-shop designed specifically for selling wine since I am against the use of alcohol for drinking.
♦ 🚀 Node.js: 9 years of experience, ~700 packages published on NPM
♦ 💛 JavaScript: 9 years of experience, lots of libraries you can download freely (https://goo.gl/ewoQsK)
♦ 🗣 Fluent in speaking English & Romanian, and comfortable in Spanish & Portuguese
♦ 😸 GitHub Enthusiast (follow me: https://github.com/IonicaBizau)
♦ 😻 Git & GitHub power user
♦ 🍀 Comfortable with MongoDB (especially, the native driver for Node.js)
♦ ❇️ I will not charge you if I can't fix your issue.
Why you can trust me:
★ I am a vegetarian. I have never eaten meat. 🍍🥑🥗
★ I have never drunk wine, beer, etc. Water is the best. 💧
★ I work for 6 days, and I rest on the 7th day. That's why I am *not* available on Saturdays (specifically between Friday's sunset and Saturday's sunset, my location at the time—you can my timezone a little bit below). 🙏
★ I sleep between 9:18 PM and 4:42 AM. Depending on your timezone I can wake up earlier if you book a session with me. 💤
★ I am a musician (pianist and organist). 🎹
★ I use VIM on macOS and Linux. 🐧🍏
Production systems fire fighter - there is nothing I cannot debug.
I will not do your homework.
Member of Mensa & Intertel, backwoods enthusiast. Human languages for fun, programming languages for breakfast. I left Detroit in the Dot-Com era to live deep in a north woods cabin w/my animal family.
I solve my own problems with grace and efficiency. I'll be happy to solve yours!
My five most valuable skills:
* Anticipation (of variables and user expectations)
* Debugging
* Machine logic
* Problem solving
* Versatility
These skills when applied to any challenge, design or technology stack, have consistently produced efficient and reliable results across an unlimited technology stack since childhood.
What I enjoy most about Code Mentor:
Utilizing my unique skill set to solve a diverse set of challenging critical issues for people in a bind. My most satisfying sessions solve very difficult and unique situations for those who have already exhausted their available human and intellectual resources.
FAQ
* No, I am not a robot. But my bots might be one day.
* No, I will not travel anywhere , unless you provide a space ship or parachute.
* I try to make a record of all changes and be able to revert them quickly, but it is your responsibility to archive responsibly
** SUPPORT SPECIALTIES **
- AWS Anything
- Dedicated support through to resolution
- Defensive cyber security
- Disaster recovery
- Emergency response for mission-critical systems
- High pressure environments
- Forensics / electronic discovery
Check out my video course on pfSense!
https://www.packtpub.com/product/hands-on-pfsense-2-x-for-firewalls-and-routers-video/9781789805017
Senior Software Developer at Booking.com and a tech advisor for a bunch of startups.I am a hard core techie and has worked on almost every tech stack out there.I also ranked among the top 500 programmers in the world.I mentored more than 150+ developers and 10+ startups on tech fronts.
Software Engineer and Technical Architect **12 years in**. During my career I worked on more than 15 large scale projects, spread out between Web, Mobile and Digital Transformations.
I strive to build greatly scalable solutions using the industry best practices
Hello. My name is Toli. I'm lover of experimentation, dogs, yoga, and travel. And I am a full stack Javascript Developer.
My passions are creating simple, intuitive interfaces, promoting animal welfare, healthy living, and mental health education.
I work full time at Novel, a NFT for Shopify company, as their founding engineer. But I am available for select consulting projects. My specialties are Prototyping/MVPs, Data Visualization, Code Reviews, Scaling Javascript Frontends, Social Media Marketing, and of course anything and everything NTT. .
I've worked with all sorts of companies: big, small, startups, small projects, agencies financial, health, politics, you name it. My past clients include American Express, Federal Reserve, WSJ, Percolate, and Chanel. Here is a complete list of clients.
I try to inform those that I work with that I have Aspergers and Bipolar Disorder. With this information, my clients and coworkers can collaborate with me much more effectively and channel my strengths into producing incredible work. These afflictions have not held me back from having a full life and a passionate friend, programmer. In fact often times, I have been able to channel my disorders into creativity and productivity. I'm happy to speak about how to work most effectively with my condition and I strongly recommend the donation-based book, Mental Health in Tech: Guidelines for Mental Wellness in the Workplace written by the Open Source Mental Illness Foundation.
My standard stack includes:
Frontend: React, Redux, Redux Saga, Styled Components, Connected React Router, Jest, Enzyme
Data Visualization: D3, HighCharts, Carto, Google Maps
Backend: Node.js, Koa,Passport, RDS Aurora, MongoDB
Tooling: Create React App, Webpack, Storybook, ESLint with AirBnB Standards. Babel@stage-1, Atom Editor
Infrastructure: AWS, AWS Lambda, AWS S3, Amazon Glacier, RDS Aurora, Amazon Redshift, Surge.sh, GitHub, Algolia Search
Check out some of my work on: http://tolicodes.com
I've been programming for over 7 years. I've built quite a number of web applications and owe most of my expertise to mistakes. I still learn everyday and would definitely love to help anyone get better
In my spare time I swim (or go underwater to think up more algorithms in quiet)
If you're having Perl, Git, SQL, C or testing problems, I can help.
If you have a Perl problem, maybe a bug in a module, or a regex isn't working, or it's slow, maybe CPAN trouble, not only can I help, I might have caused the problem.
If Git has you totally perplexed, I can help make Git make sense.
And if you have a problem writing tests, what should you test, how should you write tests, how should you structure your tests, I can help.
Happy coding!
My name is Nicholas Diaz. I am a Software Engineering Consultant. I went to Oklahoma State University for Computer Science. I was self taught before attending school. I know how it is to search for information when learning and how hard it can be to find what you need. I love all things related to programming. I am very passionate about helping people learn who share my love for programming.
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