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Experienced (15+ years) developer and friendly Ruby on Rails and React/Next.js/Redux Developer/Mentor (with passion for helping others learn) | ★ 3,590+ 5 ★ sessions/jobs. 8+ 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 (15+ years coding experience in total). I have helped more than 700 individuals here at CodeMentor (with 3,590+ 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 700 people on CodeMentor with 3,590+ 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 15+ 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!

SoftwareAWS (Amazon Web Services)RSpecHerokuJavaScriptReactAPIRubyRuby on RailsReverse EngineeringReduxReact NativeSinatraWebpackElasticsearchMySQLPostgreSQLGitGraphQLOmniAuthStripe

Sachin Mour, a leading figure in the software engineering world, brings a wealth of knowledge and experience to his role as a mentor. With a successful career spanning over a decade, Sachin has made significant contributions across various sectors, including tech giants like Verizon Media/RYOT, financial institutions like Danske Bank, and impactful work in nonprofit initiatives through NYC Outward Bound Schools. As a **Lead Software Engineer**, Sachin has demonstrated a profound ability to innovate at the intersection of technology and creativity. He's driven by the pursuit of elegant solutions to complex problems, consistently transforming ideas into impactful software that exceeds expectations. His work encompasses developing a web-based 3D/modeling tool, creating backend architecture from scratch, and improving machine learning algorithms to reduce manual work. Sachin's technical repertoire is extensive, with proficiencies in JavaScript, Typescript, React, Node.js, AWS, D3.js and many more. Sachin's achievements are not just confined to his professional work. He has been ranked in the top 0.1% out of over 500,000 users on Interviewbit and is part of the Toptal network, which hires only the top 3% of freelance talent. These accolades are a testament to his exceptional skill set and dedication to his craft. As a mentor, Sachin is passionate about fostering a culture of continuous learning and excellence. He thrives on sharing his knowledge, supporting the growth of fellow developers, and contributing to the broader tech community. Sachin's ability to explain complex concepts in simple terms, combined with his can-do attitude and leadership skills, makes him an invaluable asset to any learning environment. Whether through his professional achievements, contributions to open-source projects, or dedication to mentoring the next generation of software engineers, Sachin Mour embodies the qualities of a true leader in technology.

SoftwarePythonAWS (Amazon Web Services)DevOpsArchitectural DesignD3.jsServerlessTypeScriptNode.jsReactHTML/CSSJavaScript

Embedded Systems Engineer and Certified Tensorflow Developer with a strong technical/coding background, including C, C++, Java, Python and Assembly. Additionally skilled back-end development based on Spring/Django Framework, and Machine Learning with Tensorflow and Pytorch.

SoftwareData analyticsLangchainEmbedded SystemsComputer ScienceRCTensorFlowShellC++Machine LearningJavaPython