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Seasoned Web Developer and Blockchain enthusiast with a proven track record in the IT and services industry. Expertise in Research, PHP, HTML, JavaScript, and Blockchain development, including Smart Contracts. Skilled in automation, application testing, and cybersecurity analysis for web and mobile apps.
My personal website is https://www.justin.guru. Here are some of the many things I can help you with: AWS: ECS, S3, EC2, Amplify Azure: Most things GCP: Most things CI/CD: Pipelines, GitHub Actions, Jenkins Containerization: Docker, Docker Compose Languages: JavaScript, Typescript, Perl, PHP, Python, Dart JS: Next.js, React, Redux, Angular, Vue, Nuxt.js, Svelte, D3, Express, Node, Webpack Mobile: Expo, React Native, Cordova, Ionic Styles: CSS, LESS, SASS, SCSS, Tailwind, Bootstrap DBs: MongoDB, Firebase, Postgres, SQL, MySQL, DynamoDB Testing: Jest, Karma, Jasmine, Mocha SSO: Auth0, Azure A/D, GCP, AWS Moodle, InVision, Lottie, Figma, Adobe CC, PowerBI, K8s, Flutter
**Stuck on a tricky bug in your AI-generated code? Need to turn a fragile prototype into a production-ready app?** I'm a **senior AI engineer** who specializes in solving the unique challenges of building with LLMs and automation tools. As an expert in both **AI code rescue** and **workflow automation**, I can help you with: * **Debugging Tricky AI Code:** We'll jump on a call and fix that bug in your `LangChain`, `OpenAI`, or `Replit` project. * **MVP Code Reviews & Hardening:** I'll perform a detailed review of your prototype for security, scalability, and best practices to get it ready for launch. * **Building Custom AI Workflows:** As a freelancer, I can architect and build the efficient automations your business needs. * **Career Mentorship:** I can guide you on the path to becoming a highly skilled AI Automation Engineer. --- ### **Example Freelance Engagements** Below are examples of common freelance projects I can help you with. If your project looks like one of these, send me a message with the details, and I can provide an hourly estimate. * **AI-Generated MVP: Code Review & Hardening Plan** * I perform a comprehensive review of your prototype's codebase. You'll receive a detailed report covering security vulnerabilities, scalability issues, and a concrete action plan to get your MVP production-ready. * **Build a Custom AI Automation Workflow** * I work with your team to map out a key business process and build a robust AI-powered automation to improve efficiency. Ideal for sales, marketing, or internal support workflows. --- My stack includes `Node.js`, `Python`, `React`, `LangChain` & `OpenAI`. Let's solve your problem—**book a session or send me a message!**
Embark on a transformative coding journey with me, a visionary computer science expert and a passionate mentor, bringing over two decades of rich expertise in the dynamic realms of programming, data science, and software architecture. My technical skills span across a broad spectrum, including mastery in programming languages like Python, Java, C++, C, and Scala, along with a profound understanding of algorithms, data structures, and the complex art of software design. My research interests include big data analysis, semi-stream join algorithms, and real-time data warehousing. As a mentor, I've illuminated the path for students globally, from prestigious universities in the USA, Australia, Canada, and the UK, in a vast array of subjects from Big Data Analytics to Cyber Security, and advanced programming languages. Currently, I am a lecturer of Computer Science at a Higher Education Institute. My academic prowess is underscored by a **PhD** in Computer Science, with my doctoral thesis titled: "Integrated Real-Time Distributed Stream-Disk Processing Architecture for Unstructured Big Data". Join me on codementor, where together, we'll navigate the intricacies of technology, unleashing the potential to innovate, solve real-world problems, and excel in your programming career.
I love to teach what I know. I think I can explain things easily with examples. I have been working as a Software Engineer for the last 5 years and have worked with some of the world's most reputed companies like **Open AI, Scale AI, Doloras Lab**, etc as a freelancer.
Passionate web developer for over 15 years, I started my career building WordPress website for multiple clients, now working full time at TELUS on our Internal Developer Platform by day and building SaaS applications, primarily using Next.js & Supabase, by night. I am also active in the community, mentor (HTML 500, Ladies Learn Code or here).
Developer by day, programmer by night. I obtained a master of science in civil engineering (computer science) and participated - together with several teams - in programming contests and hackathlons. I answer questions on StackOverflow on a daily basis and wrote courses on Artificial Intelligence and Digital Electronics. I am mainly interested in Haskell, Python, and Prolog. I worked as a researcher in the field of hyperheuristics (artificial intelligence), a teaching assistant in computer science and as a data scientist and technical lead developer in an AI startup. During my spare time I developed small (and larger) projects to help with daily routine. For me, a computer should aim to automate everything that is boring, such that one can pay more attention to what is interesting in life. After each session, I aim to write a document (usually within one week) that describes what we discussed. The public GPG key can be found here: https://pgp.mit.edu/pks/lookup?op=vindex&search=0x6A148004A6024E2B Usually available between 17:30 - 21:30 UTC (Monday to Friday) and 9:30 - 21:30 UTC (weekend). See for time conversions https://goo.gl/eWdDCG (week days) and https://goo.gl/kdvMsa (weekends).
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.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 3,655+ 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 LOT 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 3,655+ 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!
Welcome to my profile on Codementor! I'm a dedicated full-time mentor with a track record of over 3500 sessions since 2015. My journey in programming has been marked by a deep engagement with P5.js, among other technologies. My career as a software developer spans over two decades, with a strong focus on Rapid Application Development (RAD). This approach has been a cornerstone of my work, allowing me to efficiently tackle complex and large-scale projects. As an expert in Visual Basic, I bring a wealth of experience, complemented by my proficiency in C#, JavaScript, VBA, and SQL. I'm passionate about problem-solving and navigating intricate code bases. Whether you're dealing with challenges in Visual Basic, C#, JavaScript, or any of the other languages I specialize in, I'm here to help you find effective and streamlined solutions. Let's work together to achieve your programming goals! I love working with: ⭐ Visual Basic ⭐ C# ⭐ JavaScript ⭐ VBA ⭐ SQL ✅ Recognitions: ------------------------- 🔹 Codementor of The Year 2018 🏆 https://twitter.com/CodementorIO/status/1076225048837586944 💎 Achievements: -------------------------- 🔹 3000+ Sessions 🔹 3 Arc/CodementorX projects
You can understand it! Whether you're catching up in a coding bootcamp, or nailing a bug — reach me in the chat and we'll figure it out. I know you can, because I see it everyday! I enjoy explaining basics patiently, or move to advanced topics in my expertise anytime. Got a project idea? I can help you code it during a session or multiple sessions! If you feel overwhelmed about any of these — Javascript, CSS, React, Node, Firebase, web technologies in general — or actually just want someone to be around while you are figuring them out and point you in the right direction, just let me know. *BUILD & LEARN — one-on-one pair-coding learning experience with a mentor* Web development is my life, since 2002. For over decade I'm excited to work on the full stack of web sites and applications. With more focus on Front-end and Javascript full stack in recent years. **Practice Javascript** Javascript is probably the most versatile programming language that anyone can start even without installing any specialized software, as the developer tools are built into every browser nowadays. Your browser is a great playground to learn and understand Javascript, HTML and CSS, while also possibly making your experience with the web better. Install Node.js and enable the power of using the same language to access files on your computer and automate your workflow. Node comes with NPM - access to a repository of plethora of Javascript utilities for any task. **Practice HTML & CSS** CSS can be hard sometimes, but it's well defined with great tools to understand it built into the browser. Skills of building UI with HTML & CSS can now be reused not only for websites and web apps, but also mobile and desktop apps. And also your TV, your fridge and your nearby ATM. **Practice React** React provides building blocks to create components, where every component has UI defined with HTML & CSS, with Javascript logic attached to it. Scaling UI for a web app, mobile or desktop app becomes a no-brainer. Practice building on the web platform with me, I'll watch you 👀 and make your learning faster. **Let me hold your hand** (virtually) I know what it's like - to know how to do it, but still feel burnt out. Too easy to fall into an infinite loop of procrastination. Just schedule a session and let me be your focus buddy. I've seen work done in no time after a wait too long. ---- **How to call**: let me know in the chat what you need help or tutoring with. **Before the call**: message me, I may be available immediately, but most likely not—it's generally better to schedule a session, ask me for my availability (after telling me which technologies you need help with). **During the call**: In the codementor session room press "set up zoom", it will launch Zoom where you can share your screen. **If you messaged me and I didn't answer**: Don't be discouraged! There's a high chance I missed your message — feel free to message me again! Sorry, sorry, sorry! But do give a little bit of intro, so it's easier for me to answer whether I can help or not. ---- I only provide help during online sessions where you can share your screen and discuss the issues. ---- My focus: ● **HTML, CSS ● Javascript**, ES6 ● **⚛ React**, JSX, React-Router, Redux, Material-UI ● **Firebase for Web**: Database, Auth, Storage, Hosting, Functions ● jQuery, Backbone, Marionette ● AJAX, Axios, fetch ● async ● Git, Github ● npm, yarn ● Chrome DevTools ● **CSS Frameworks**, Tailwind, Bootstrap, SASS ● Handlebars ● **NodeJS**, ExpressJS, MongoDB ● Webpack, Browserify, Gulp, Bower, Require.js ● Jekyll ● Feel free to message me in the chat anytime — just tell me which topics you need help with — and we'll go from there. ---------------✁------------------------- If you are beginning your journey into web-development and need a longer session to go through the basics of technologies and tools listed below, then I am happy to offer my encouragement with about 20% off my usual rate. * Only applies to **longer sessions** of 1 hour and more. * Only applies to **practice sessions**, where you need help with fundamentals of the technologies listed below. Welcome to discuss or learn these technologies with me. * **Does not apply to commercial** work. The discount doesn't always get applied automatically, so feel free to ask and remind me about it after a session. To get the discount: - **Let me know** that you are a beginner, need a longer session and that a discount would help - **Be nice**, positive and respectful Please only contact me if you actually need help understanding the following technologies, and not just have someone complete your student homework on your behalf! I'm happy to offer a lower rate to guide you through the basics of these technologies: - HTML, CSS, Javascript: building web-pages and understanding all the concepts to make them work beautifully and efficiently - Javascript basics, intermediate and advanced - Javascript libraries and frameworks: jQuery, Backbone, React - Firebase for Web: Database, Auth, Storage, Hosting, Functions - Backend Javascript with Node.js and Express.js - CSS Frameworks: Tailwind, Bootstrap - CSS Tooling: SASS, Stylus - Web-dev tools basics: npm, browserify, webpack - Web-dev concepts, such as AJAX - Command line basics and Git - Basics of hosting your static website for free - Using template engines such as Handlebars - Creating website with Jekyll and host on Github - Basics of automated Javascript testing ---------------✃------------------------- Over the years, I have: - Developed hundreds of HTML/CSS/JS Mockups (since 2002) - Wrote several large Backbone.js/Marionette.js javascript applications, for web and mobile (since 2010) - Developed Node.js/MongoDB applications - Developed dozens of CakePHP/MySQL applications (2006-2010) - Installed dozens of Wordpress websites - Worked with large data sets and developed social network-like websites - Developed projects with Laravel, Zend Framework - Developed several popular extensions for Textpattern CMS (2006) - Got experience with video and audio production, screen recording I am keen on advanced web-development tools for front-end and back-end development. Git, Chrome DevTools NPM, Browserify, Grunt, Gulp, Bower, Require.js I feel comfortable working on both small and large websites. Jekyll, Bootstrap jQuery, AJAX Preprocessors: SASS, Stylus, CoffeeScript Done a lot of projects in PHP earlier, but switched to more javascript work in recent years. I am a mac guy, and I manage Debian virtual servers for private projects. $$ Money-back guaranteed – just let me know if you're not happy and your money stay with you. Feeling unproductive? Schedule a session for some quality focus time.
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