Maks.us
Maks Yarchak Web developer with 23 years of experience
| www.Maks.us | Download_PDF_CV

Objective

Staff Software Engineer with 23+ years building scalable, AI-enhanced applications. Expert in integrating cutting-edge AI/ML tools (OpenAI API, Claude, AI agents, MCP, Copilot, LLM, Ollama) with cloud-native platforms (AWS, GCP, Kubernetes, Kafka). Proven leader architecting high-performance systems with Python, Django, and Ruby on Rails while leading cross-functional engineering teams.

Knowledge / Skills

Back-end development

  • AI Tools (Copilot, OpenAI API, Claude, AI agents, MCP, Prompt Engineering, ChatGPT, Llama, Ollama, Stable Diffusion)
  • Cloud AWS, GCP, DigitalOcean, CI / CD pipelines
  • Python (Flask, Django, gunicorn, SQLAlchemy, job queues, workers)
  • Ruby on Rails (unicorn, puma, sidekiq)
  • Design and build APIs, Single sign-on (SSO), System Integrations
  • PHP (OOP, Patterns, Queue, UnitTest, Composer)
  • MySQL, PostgreSQL, MongoDb, MSSQL, design high performance DB
  • Redis, Memcached, Multithreaded Applications
  • GIT, GitHub - version control system, Bug Tracking
  • PhpStorm, VS Code, Zend Server
  • Full life cycle application development
  • Staff Engineer, Team Leadership, Project management
  • Kanban, Scrum, Agile
  • OS: MacOS, Linux, Windows

Infrastructure development

  • Linux server, Kubernetes, Docker, Kafka, Bash, SSH, DNS, Apache, Nginx, PostgreSQL, Mysql, Redis, Elasticsearch, Clusters, Load Balancing, backup, monitoring, scale

Front-end development

  • HTML, CSS, W3C, xml, xsl, w3с
  • Twitter Bootstrap, Responsive html, Mobile Web application
  • JavaScript, jQuery, Modern frameworks, AJAX, D3js
  • Node.js, npm, webpack, modern build tools

Big Data

  • Big Data Processing and Analytics
  • Basic machine learning

Extra Skills

  • AI/ML: LLM, Ollama, LM Studio, OpenAI, Claude, Artificial Intelligence, Neural networks, Deep Learning, Machine Learning
  • Search Engine Optimization: (on-page, off-page), webmaster tools, Google Analytics
  • Basic graphic web design (UI, UX)

Experience

23 Years : e-commerce Social networks back-end OOP MVC CMS PHP mysql html css JavaScript UI UX    

17 Years : Linux Web Servers jQuery    

14 Years : Amazon AWS cloud HTML5 CSS3 Ruby on Rails Python, Django    

13 Years : DigitalOcean cloud Twitter Bootstrap ReactJS    

11 Years : Docker    

7 Years : Kubernetes Kafka    

3 Years : AI/ML Tools LLM    

Wayfair
Sep 2019 - Present

Staff Engineer
(team leader).
Architecture, team leader, full stack development

Python, php, docker, Kubernetes, Kafka

CMT
Nov 2016 - July 2019

(telematics industry)
Senior Software Engineer.
Back-end development

(Python Django) in AWS cloud

Front-end development

(html5, css3, JS)

Study AI / NN / DL / ML
Jun 2016 - Nov 2016



Artificial Intelligence, Neural networks, Deep Learning, Machine Learning

(Python) in AWS Cloud and DigitalOcean cloud

RallyPoint
Jun 2015 - Jun 2016

(Social network industry)
Sr. Software Developer
Back-end development

(Ruby on Rails) in AWS cloud

Front-end development

(html5, css3, JS)

United Domains Inc
Oct 2010 - May 2015

(Domain name industry)
Sr. Web developer
Back-end development

(php/mysql/PhpUnit testing, Continuous Integration)

Front-end development

(UI, UX, html5, css3, JS, AngularJS, jQuery, BackboneJS)

Early Career Experience
Jan 2002 - Sep 2010

Web Developer & Team Leader
Multiple Organizations
Foundation in Full-Stack Development

Built foundation in web development across diverse industries including education, consulting, design studios, and news media. Led development teams, architected databases (MySQL), and delivered 50+ web applications using PHP, JavaScript, HTML/CSS.

Notable roles: Approach (Education), TMU (Consulting/Team Lead), Web Design Studios, Interfax-West (News Agency/Team Lead), Freelance Developer

 

Education

Harvard University

Classes:
  • Computer Science: Building dynamic web applications
  • Building mobile applications for Android, iPhone, Web

 

BS University

  • 2005-2006
  • Engineering

Master's degree in engineering

 

BS University

  • 2001-2005
  • Engineering

Bachelor's degree in engineering

 

Zend Framework Advanced Training

 

Zend PHP 5.3 certificate

 

Self study

  • Web Development

 

Portfolio

  • CMT
    my role: Sr. Software Engineer. I was working on company private B2B Web systems. Python (https://www.cmtelematics.com)
  • RallyPoint
    my role: Sr. Software Engineer. I was working with Ruby on Rails application
    https://www.rallypoint.com ( military social network )
  • United Domains Front-End AngularJS application
    my role: AngularJS Front-end JavaScript application which is building shopping cart, search result and it does multi connection search by back-end application. (I've used also Html5, CSS3, Bootstrap3, jQuery, JavaScript)
    domain search
  • United Domains
    my role: Html5, CSS3, Bootstrap3, jQuery, JavaScript, AngularJS, AJAX, BackboneJS, implementation different APIs, E-commerce, Shopping Cart | Architecture database, PHP5, MySQL application, Smarty templates
    http://www.uniteddomains.com
  • Approach
    my role: Graphic design | xHtml, CSS coding, jQuery, JavaScript | Architecture database, PHP 5, MySQL application | Smarty templates, mod_rewrite | All URLs are dynamic, back-end
    http://approachusa.com
  • ZnaiKak
    This is social network of people to share knowledge. (Web 2.0, multiuser blogs)
    my role: PHP 5, MySQL, front-end, back-end | http://znaikak.ru