Анатолій

Anatolii Mateichuk
Senior Software Engineer | AI Product Engineer
Kovel, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section) | GitHub | LinkedIn |
Drupal.org | Claude Code in Action — Certification

PROFILE

Software engineer with hands-on experience in AI-assisted development — building prototypes
and features using Claude Code, LLM APIs, and RAG/embeddings alongside traditional web
development (PHP, JavaScript, Drupal). Comfortable turning loosely defined requirements into
working solutions quickly, and moving across backend, frontend, and AI integration tasks within
a project.

AI & AUTOMATION SKILLS

● AI-assisted development: Claude Code (certified), Cursor-style AI coding workflows, prompt
engineering, context and token optimization
● LLM & Generative AI: OpenAI / Anthropic APIs, RAG pipelines, embeddings & vector search,
Ollama (local LLM deployment)
● Rapid prototyping: turning business requirements into functional MVPs and internal tools;
validating ideas before full-team investment
● Automation & integrations: REST/GraphQL APIs, third-party service integration, workflow
automation, external data sources

CORE ENGINEERING SKILLS

● Languages & frameworks: PHP, Python, JavaScript, TypeScript, Symfony, React.js (Next.js),
Twig, TailwindCSS, SCSS
● Platforms: Drupal 7/8/9/10/11, WordPress, MySQL, Solr
● Infrastructure & tooling: Git, Docker, DDEV, CI/CD, Composer, Drush, Apache, Nginx, Linux,
Datadog
● APIs & quality: REST, GraphQL, JSON, OAuth, PHPUnit, automated testing
● Practices: code review, architectural design, performance & security optimization, technical
discovery and estimation, stakeholder collaboration, team leadership and mentoring

EMPLOYMENT HISTORY

Senior Full Stack Software Engineer/ Tech Lead (Remote) — DELOITTE (contract)
Sep 2025 — Mar 2026 | Kyiv
● Planned, developed, tested, deployed, and maintained web applications end-to-end
● Improved website performance and reduced latency by 30%
● Maintained 99.9% uptime for a high-load CMS platform with 15K+ concurrent users
● Implemented observability with Datadog (APM, logs, metrics, alerts)
● Used AI-assisted coding workflows (Claude Code) to speed up development, debugging, and
code review
● Built responsive, pixel-perfect interfaces based on Figma designs
● Integrated Google Analytics and Google Tag Manager; ensured WCAG accessibility compliance
● Executed data migrations with full data integrity; maintained CI/CD pipelines and Git-based
workflows

Senior Full Stack Software Engineer — EPAM
Sep 2019 — Feb 2025 | Lviv
● Built custom Drupal modules and scalable content structures; implemented Twig-based theming
from UX/UI designs
● Improved SEO through metadata optimization, clean URLs, and structured content
● Developed multilingual websites and localization solutions
● Optimized performance, reducing response time by 25% and server load by 40%
● Implemented automated testing with 90%+ code coverage
● Led a team of 5 engineers, including mentoring and sprint planning
● Developed REST APIs and integrated third-party services

Back-End Drupal Developer — SMILE
Dec 2018 — Jul 2019 | Lutsk
● Maintained Drupal backend applications and extended functionality with custom modules
● Optimized database queries and backend performance
● Maintained stability of production CMS environments; supported content teams with scalable
content structures

Full Stack Drupal Developer — Rocksolid PSF
Mar 2018 — Nov 2018 | Lutsk
● Developed web applications on Drupal from scratch; installed and configured core, contributed
modules, and themes
● Developed custom modules (custom forms, entities, plugins, etc.)
● Maintained existing projects, fixing bugs; developed responsive frontend using JavaScript, HTML,
and CSS
● Maintained and improved an e-commerce platform

EDUCATION

Higher Professional Vocational School №9
Sep 2010 — Sep 2013 | Lutsk

LANGUAGES

Ukrainian — Native
English — B2 (Intermediate)