Victor H

Victor H

Mentor
5.0
(328 reviews)
US$25.00
For every 15 mins
584
Sessions/Jobs
ABOUT ME
Software Developer
Software Developer

Meet Victor, your expert software mentor. With extensive experience and a passion for programming, Victor is the go-to mentor on our platform. He have successfully guided numerous aspiring developers, providing personalized attention, hands-on projects, and a collaborative learning environment. Expect up-to-date guidance, practical insights, and a transformative learning journey. Choose Victor as your mentor and unlock your full programming potential. Accelerate your growth in software development with the best.

Spanish, English
Bogota (-05:00)
Joined December 2016
EXPERTISE
6 years experience | 3 endorsements
- Front-End Development: Extensive experience in developing interactive and dynamic user interfaces using React JavaScript library. - Com...
- Front-End Development: Extensive experience in developing interactive and dynamic user interfaces using React JavaScript library. - Component-Based Architecture: Utilized React's component-based architecture to create reusable and modular UI components, improving code organization and maintainability. - State Management: Proficient in managing complex application state using React's built-in state management capabilities, as well as popular libraries like Redux or MobX. - Virtual DOM Manipulation: Leveraged React's efficient virtual DOM diffing algorithm to optimize rendering performance and provide seamless user experiences. - JSX Syntax: Mastered writing JSX syntax to seamlessly blend HTML and JavaScript, enhancing code readability and enabling component composition. - React Router: Implemented client-side routing using React Router to create single-page applications with multiple views and dynamic routing. - Form Handling: Developed form components with proper validation and state management, utilizing libraries like Formik or React Hook Form. - Data Fetching: Utilized React's built-in hooks (such as useEffect and useState) to handle data fetching from APIs, integrating with libraries like Axios or Fetch. - UI Libraries and Component Libraries: Worked with popular UI libraries like Material-UI, Ant Design, or Bootstrap to enhance UI design and streamline development. - Testing and Debugging: Proficient in writing unit tests using testing frameworks like Jest and Enzyme, as well as utilizing React DevTools for debugging and inspecting component hierarchies. - Performance Optimization: Employed optimization techniques like memoization, lazy loading, and code splitting to improve rendering performance and minimize bundle size. - Integration with Backend: Collaborated with backend developers to integrate React with server-side APIs and ensure smooth data flow between frontend and backend systems. - Continuous Integration and Deployment: Utilized CI/CD tools like Jenkins or GitLab CI to automate build, test, and deployment processes, ensuring reliable and efficient release cycles.
12 years experience | 82 endorsements
- Application Development: Developed robust and scalable applications using Ruby programming language. - Object-Oriented Programming: App...
- Application Development: Developed robust and scalable applications using Ruby programming language. - Object-Oriented Programming: Applied principles of object-oriented programming (OOP) to design modular and maintainable code. - Web Development: Created web applications using popular Ruby frameworks like Ruby on Rails, Sinatra, and Hanami. - Testing and Debugging: Utilized testing frameworks like RSpec and MiniTest for automated testing, ensuring code quality and bug-free applications. Proficient in debugging techniques. - Database Integration: Integrated databases such as MongoDB, MySQL, PostgreSQL, and SQLite into Ruby applications using ORM frameworks like ActiveRecord. - API Development: Built RESTful APIs using Ruby frameworks, enabling seamless communication between client applications and servers. - Code Optimization: Employed optimization techniques to improve application performance, including memory management and algorithmic efficiency. - Package Management: Utilized RubyGems and Bundler for dependency management, ensuring efficient package installation and version control. - Version Control: Proficient in using Git for version control, collaborating with teams and managing code repositories. - Third-Party Integrations: Integrated third-party libraries and APIs into Ruby applications to extend functionality and leverage existing services. - Continuous Integration: Implemented continuous integration workflows using tools like Jenkins or Travis CI, automating build and testing processes. - Best Practices and Design Patterns: Followed Ruby best practices and utilized design patterns to write clean, maintainable, and scalable code. - Community Engagement: Actively participated in the Ruby community, attending meetups, contributing to open-source projects, and sharing knowledge.
12 years experience | 104 endorsements
- Full-Stack Web Development: Developed feature-rich web applications using the Ruby on Rails framework, handling both server-side and cl...
- Full-Stack Web Development: Developed feature-rich web applications using the Ruby on Rails framework, handling both server-side and client-side development. - MVC Architecture: Utilized Rails' Model-View-Controller (MVC) architecture to design modular and maintainable code. - Database Integration: Integrated databases such as MySQL, PostgreSQL, and SQLite using Rails' ActiveRecord ORM for efficient data storage and retrieval. - RESTful API Development: Built RESTful APIs using Rails, allowing seamless communication between different components of the application or with external services. - Front-End Development: Implemented responsive and intuitive user interfaces using HTML, CSS, and JavaScript frameworks like React or Vue.js, integrated with Rails views. - Testing and Test-Driven Development (TDD): Utilized testing frameworks like RSpec and Capybara to write automated tests, practicing TDD principles to ensure code reliability and maintainability. - Gem and Plugin Integration: Leveraged the extensive RubyGems ecosystem, integrating third-party gems and plugins to extend functionality and accelerate development. - Authentication and Authorization: Implemented user authentication and authorization features using popular gems like Devise or CanCanCan, ensuring secure access control. - Performance Optimization: Employed caching techniques, query optimization, and efficient code design to enhance application performance and scalability. - Deployment and DevOps: Deployed Rails applications to cloud platforms like Heroku or AWS, configured deployment pipelines, and utilized tools like Docker and Kubernetes for containerization and orchestration. - Continuous Integration and Continuous Deployment (CI/CD): Set up CI/CD workflows using tools like Jenkins or GitLab CI, automating build, testing, and deployment processes. - Scalability and Load Balancing: Implemented scaling strategies using tools like load balancers and horizontal scaling techniques to handle high traffic and ensure application availability. - Monitoring and Error Handling: Utilized monitoring tools like New Relic or Datadog to track application performance, debug errors, and proactively address issues.
RSpec
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6 years experience
- In-depth understanding of Svelte framework concepts, including reactive programming, component-based architecture, and virtual DOM diff...
- In-depth understanding of Svelte framework concepts, including reactive programming, component-based architecture, and virtual DOM diffing algorithm. - Proficient in Svelte syntax, templates, and component composition. - Experience with managing state in Svelte using reactive statements, stores, and context. - Strong knowledge of JavaScript and ECMAScript standards, with expertise in modern JavaScript features and syntax for Svelte development. - Proficiency in HTML, CSS, and CSS preprocessors (e.g., SCSS) for building responsive and visually appealing user interfaces in Svelte. - Familiarity with component lifecycle and reactivity in Svelte, including lifecycle hooks and reactive statements. - Proficient in routing within Svelte using libraries like svelte-spa-router or svelte-routing. - Experience with state management solutions in Svelte, such as stores or external libraries like redux or mobx. - Proficiency in testing Svelte components and applications using frameworks like jest, testing-library/svelte, or cypress. - Familiarity with build tools and bundlers used in Svelte projects, such as rollup or webpack. - Knowledge of performance optimization techniques in Svelte, including code splitting, lazy loading, and rendering performance optimization. - Experience integrating Svelte applications with backend APIs and services, including RESTful APIs - Strong problem-solving and debugging skills for identifying and resolving complex issues in Svelte applications. - Understanding of web accessibility standards and best practices for creating inclusive and usable Svelte applications.
10 years experience | 72 endorsements
- Front-End Development: Proficient in developing interactive and dynamic user interfaces using JavaScript, HTML, and CSS. - DOM Manipula...
- Front-End Development: Proficient in developing interactive and dynamic user interfaces using JavaScript, HTML, and CSS. - DOM Manipulation: Expertise in manipulating the Document Object Model (DOM) to dynamically update and modify web page content. - Event Handling: Implemented event-driven programming, handling user interactions and triggering appropriate actions using JavaScript event listeners. - Asynchronous Programming: Proficient in utilizing asynchronous programming techniques like callbacks, Promises, and async/await to handle non-blocking operations and improve performance. - AJAX and API Integration: Integrated with server-side APIs using JavaScript's AJAX (Asynchronous JavaScript and XML) techniques, enabling seamless data retrieval and manipulation. - ES6+ and Modern JavaScript: Strong understanding and utilization of ES6+ features, including arrow functions, template literals, destructuring, modules, and more. - Functional Programming: Applied functional programming concepts like higher-order functions, pure functions, and immutability to write clean and maintainable code. - Error Handling and Debugging: Skilled in debugging JavaScript code using browser developer tools and other debugging techniques to identify and fix issues. - Browser Compatibility: Developed cross-browser compatible JavaScript code, considering differences in browser implementations and applying appropriate polyfills or feature detection. - Testing and Test Frameworks: Utilized testing frameworks like Jest, Mocha, or Jasmine to write unit tests and ensure code reliability and maintainability. - Package Management: Experienced in using package managers like npm or Yarn to manage dependencies and third-party libraries effectively. - Data Manipulation and Validation: Proficient in manipulating and validating data using JavaScript libraries like Lodash or Moment.js. - Performance Optimization: Employed optimization techniques like code minification, caching, and lazy loading to improve JavaScript application performance. - Mobile Development: Familiarity with JavaScript frameworks like React Native or Ionic for developing cross-platform mobile applications. - JavaScript Frameworks and Libraries: Worked with popular JavaScript frameworks and libraries like React, Vue.js, Angular, or jQuery to enhance development efficiency and create feature-rich applications. - Version Control: Proficient in using Git for version control, collaborating with teams, and managing code repositories.
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5 years experience | 6 endorsements
- Front-End Development: Extensive experience in developing dynamic and responsive user interfaces using the Vue.js framework. - Componen...
- Front-End Development: Extensive experience in developing dynamic and responsive user interfaces using the Vue.js framework. - Component-Based Architecture: Utilized Vue.js' component-based architecture to create reusable and modular UI components, promoting code reusability and maintainability. - Vue Router: Implemented client-side routing using Vue Router, enabling seamless navigation and dynamic rendering of components. - VueX State Management: Proficient in managing application state using VueX, allowing centralized state management and efficient data flow across components. - Single-File Components: Leveraged Vue.js' single-file components to encapsulate HTML, JavaScript, and CSS within a single file, enhancing code organization and readability. - Vue CLI: Utilized Vue CLI to scaffold, build, and manage Vue.js projects, enabling efficient development workflows and project configuration. - Data Binding and Reactive Rendering: Leveraged Vue.js' two-way data binding and reactive rendering capabilities to create responsive user interfaces that update in real-time. - Vue DevTools: Utilized Vue DevTools browser extension for debugging and inspecting Vue.js applications, enabling efficient development and troubleshooting. - Form Handling: Implemented form components with proper validation and event handling, utilizing Vue.js' form bindings and libraries like Vuelidate or VeeValidate. - Vue Test Utils: Proficient in writing unit tests using Vue Test Utils, ensuring code quality and maintaining robust applications through automated testing. - Server-Side Rendering (SSR): Familiarity with Vue.js' server-side rendering capabilities, enabling faster initial page loads and improved search engine optimization (SEO). - UI Libraries and Component Libraries: Worked with popular UI libraries like Vuetify, Element UI, or Bootstrap Vue to enhance UI design and streamline development. - Integration with Backend: Collaborated with backend developers to integrate Vue.js with server-side APIs, ensuring seamless data communication and synchronization. - Progressive Web Apps (PWA): Familiarity with Vue.js' PWA support, enabling the creation of offline-capable, installable web applications with enhanced user experiences. - Continuous Integration and Deployment: Utilized CI/CD tools like Jenkins or GitLab CI to automate build, test, and deployment processes, ensuring reliable and efficient release cycles.
5 years experience | 19 endorsements
- Backend Development: Extensive experience in building server-side applications using Node.js, leveraging its event-driven, non-blocking...
- Backend Development: Extensive experience in building server-side applications using Node.js, leveraging its event-driven, non-blocking I/O model. - Express.js: Proficient in utilizing the Express.js framework to develop robust and scalable web APIs and server-side applications. - RESTful API Development: Designed and implemented RESTful APIs using Node.js and Express.js, ensuring efficient communication between client applications and servers. - Database Integration: Integrated databases such as MongoDB, MySQL, or PostgreSQL into Node.js applications using libraries like Mongoose or Sequelize for data modeling and manipulation. - Authentication and Authorization: Implemented authentication and authorization mechanisms using libraries like Passport.js or JSON Web Tokens (JWT), ensuring secure access control. - Middleware Development: Developed custom middleware functions to handle request/response processing, authentication, logging, error handling, and other cross-cutting concerns. - Asynchronous Programming: Utilized asynchronous programming techniques in Node.js, including callbacks, Promises, and async/await, to handle concurrent operations and improve performance. - WebSocket Implementation: Integrated WebSocket communication using libraries like Socket.io, enabling real-time bidirectional communication between clients and servers. - Caching and Performance Optimization: Implemented caching strategies using libraries like Redis or Memcached to enhance application performance and reduce database load. - Testing and Test-Driven Development (TDD): Proficient in writing unit tests using frameworks like Mocha or Jest, following TDD principles to ensure code reliability and maintainability. - Error Handling and Logging: Implemented robust error handling and logging mechanisms to track and troubleshoot application issues, utilizing libraries like Winston or Bunyan. - Deployment and DevOps: Deployed Node.js applications to cloud platforms like AWS or Azure, utilizing containerization tools like Docker, and configuring CI/CD pipelines for automated deployment. - Scalability and Load Balancing: Implemented scaling strategies using tools like PM2 or Nginx to handle high traffic and distribute load across multiple instances or servers. - Security Best Practices: Followed security best practices in Node.js applications, including input validation, parameterized queries, and protection against common vulnerabilities. - Third-Party Integrations: Integrated third-party APIs and services into Node.js applications, enabling seamless integration with external systems and leveraging existing functionality.
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REVIEWS FROM CLIENTS

5.0
(328 reviews)
Removed User
Removed User
January 2024
One of the best. Great experience.
Ryan “GoulsTrk” Ma
Ryan “GoulsTrk” Ma
December 2023
extremely proficient in teaching and solving git, highly recommeded!
Aaron Mendez
Aaron Mendez
November 2023
THANK YOU VICTOR VERY FAST HELPFUL AND KNOLWDGABLE
Todd Trimakas
Todd Trimakas
November 2023
Awesome! Walked me thru a nice git mess I created. Super helpful!
Mustafa Aldabun
Mustafa Aldabun
October 2023
Amazing react-router-dom knowledge and React form validation
Mustafa Aldabun
Mustafa Aldabun
October 2023
Amazing React knowledge and incredible Google Firebase knowledge, when creating a Firebase Realtime Database to post and consume data in real time within a React application.
Lucas P
Lucas P
October 2023
Awesome mentor. Need help with Rails? Victor is your guy!
Ahmed Salah
Ahmed Salah
September 2023
victor is awesome, gave me grate advices on solving future problems
Justin Tan
Justin Tan
September 2023
Victor did an awesome job helping me set up my ruby environment on my windows while explaining what I previously did wrong and why the changes we were making were important and how to avoid them again in the future
Michele T Chambers
Michele T Chambers
September 2023
Doing well so far and he's really nice! looking forward to see what we can accomplish
SOCIAL PRESENCE
GitHub
milo
Ruby wrapper for the eBay Milo API
Ruby
3
0
rack-rate_limiter
Ruby
2
0
Community Posts
Comparing React VS HTMX: Choosing the Right Frontend Approach
"Comparing React VS HTMX: Choosing the Right Frontend Approach" is an article that explores the differences between React and HTMX for frontend development. It provides an overview of React's component-based architecture and efficient rendering capabilities, along with practical examples. The article also introduces HTMX, which focuses on enhancing the user interface using declarative attributes embedded in HTML markup. The examples showcase how both frameworks can be used to create a search functionality, and the article concludes with factors to consider when choosing between React and HTMX for your projects.
2
4
Staff Engineer Interview: Navigating the Path to Technical Leadership
Learn how to excel in a staff engineer interview and thrive in the role with this comprehensive guide. Explore potential interview questions, essential skills, and the knowledge required for staff engineers. Discover the key aspects of technical expertise, leadership abilities, and software development principles necessary in today's dynamic tech landscape. Plus, get insights into creating a learning path to sharpen your skills and secure success as a staff engineer. Friendly guidance and mentorship available for your software career at codementor.io. Let's collaborate and help you achieve your goals.
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The Power of Mentorship: Why Having a Mentor is Essential for Professional Growth
Discover the power of mentorship in software development. Learn how having a mentor can accelerate your professional growth, gain valuable insights, expand your network, and receive personalized guidance. Explore the benefits and find experienced software developers like Victor Hazbun on codementor.io to unlock your programming potential.
EMPLOYMENTS
Senior software engineer
Lily
2023-01-01-Present

Spearheaded a team of 6 engineers, achieving increase in

development velocity through agile methodologies, process

improve...

Spearheaded a team of 6 engineers, achieving increase in

development velocity through agile methodologies, process

improvements and automation.

• Architected and migrated monolith to microservices

architecture, resulting in reduction of deployment time and

improvement in developer productivity.

• Designed and implemented highly scalable microservices for new

retailers/subsidiaries, enabling ~80% faster time-to-market and

exceeding user growth expectations.

• Refactored core API layer using Ruby on Rails, boosting

performance and reducing code complexity.

• Implemented full text search for products using Elasticsearch,

Kibana, Logstash, Nest.js and React.js

• Championed the adoption of automated testing practices, leading

to ~90% decrease in bug defects and improved code quality.

• Empowered junior engineers through mentorship and coaching,

enabling them to lead independent project within their first two

months.

Ruby
MongoDB
PostgreSQL
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Ruby
MongoDB
PostgreSQL
React
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PROJECTS
Rails contributorView Project
2019
I contribute to Rails/Webpacker and Rails/Home.
I contribute to Rails/Webpacker and Rails/Home.
Ruby on Rails
Ruby on Rails