Святослав

Sviatoslav Petiushenko
[open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)
AI & Automation Engineer Marbella, Spain

AI & Automation Engineer with 2+ years of development experience and
1.5+ years working intensively with AI/LLM systems. Built 4 production
websites, 2 applications, 3 bots and 3 automation systems using Python,
APIs, AI agents and low-code workflows. Experienced in taking products
from idea to production in 3–7 days and building data-driven systems Linkedin
designed to scale beyond 100K pages.

Experience Links
AI & Automation Engineer — Freelance Portfolio
October 2023 – Present · Remote

Built 4 production websites, 2 applications, 3 bots and 3 automation TECHNICAL SKILLS
systems across 10+ AI-assisted projects.

AI & LLM: OpenAI API · Claude API

Developed end-to-end solutions using Python, Node.js, REST APIs,
webhooks, OpenAI/Claude APIs, PostgreSQL and MySQL.
· AI Agents · LLMs · Generative AI

· Prompt Engineering

Built AI-agent and automation workflows for data analysis, content
processing, customer communication and business operations.
Engineering: Python · JavaScript

Managed the full lifecycle from requirements and architecture to · Node.js · React · REST APIs

development, deployment, SEO, analytics and monitoring.
· Webhooks · Web Scraping

Independently deployed and managed production systems using Automation & Data: n8n · PostgreSQL

Cloudflare, Workers, R2, VPS, Linux and Nginx.
· MySQL · FFmpeg · Whisper

Delivered functional products from initial idea to working release in · Data Processing

approximately 3–7 days using AI-assisted development. Cloud & SEO: Cloudflare · Workers · R2

· VPS · Linux · Nginx · Technical SEO

System Administrator · Anotherworld
· GEO · AEO · GA4 · GSC

March 2025 – September 2025 · Spain

Languages
Managed infrastructure supporting 12 computers and 24 VR
headsets used by 150+ customers/month.
Ukrainian Native
Diagnosed hardware, software and networking problems through Russian Native
logs, testing and systematic troubleshooting.

Polish C1 / Fluent
Reduced connection latency from approximately 500ms → 50ms,
eliminating noticeable PC/VR synchronization delays.
English B2
Completed major infrastructure troubleshooting and optimization
within approximately 2–3 days. Education
Programmer and Technician
IT Intern · Urzad Gminy Siemiatycze 2022 – 2024 · Agricultural School, Poland
June 2024 – July 2024 · Poland
Software Development
Assisted with website setup, configuration and performance 2019 – 2022 · Zhytomyr Cooperative College, Ukraine
monitoring.

Performed basic security checks and technical troubleshooting.

Supported day-to-day IT operations.

IT Intern · Kendys Leszek FHU Komputery
June 2023 – July 2023 · Poland
Supported computer hardware setup and troubleshooting.

Configured and tested payment terminals.

Assisted with technical diagnostics and equipment configuration.

Selected Projects

Large-Scale AI & SEO Platform — NDA

AI Automation · APIs · Programmatic SEO · Performance

Built the initial platform from idea to working product in
approximately 1 week, handling ~50K content records with
architecture designed for 100K+ search pages across 200+
locations.

Automated page generation, metadata, structured data,
sitemaps, internal linking, keyword mapping, data
synchronization and publishing workflows.

Reached 17K+ search impressions, ~2K organic visits, ~20
Top-3 and 100+ Top-10 rankings during the initial growth
phase.

Built API-based synchronization between large datasets, the
administration system and publication infrastructure.

Improved mobile FCP from ~9s → 1.5s and desktop FCP from
~5s → 0.4s, while achieving 0ms TBT and 0–0.002 CLS.

Multi-Agent SEO / GEO / AEO System

AI Agents · LLMs · Automation

Built a multi-agent system that collects performance metrics
and uses AI agents to analyze changes and generate
optimization hypotheses.

Implemented a challenger-agent workflow that critiques the
primary agent's conclusions before recommendations are
accepted.

Connected specialized SEO/GEO/AEO and open-source AI
agents to generate and evaluate recommended actions.

AI Video Automation Pipeline

Python · FFmpeg · Whisper · AI

Automated video cutting, transcription, subtitles, editing and
publishing preparation for approximately 1-hour source
videos.

Reduced processing time from 60+ minutes to ~15 minutes
(~75% faster).

Added AI-assisted emotion analysis and hook detection to
identify stronger video segments.

Content produced with the workflow reached approximately
48K views and 5.5K+ likes in 30 days.

Automotive Parts Management System

Python · Automation · Data Management

Built a working business application from idea to production in
approximately 3 days, used by 3 employees and managing
400+ spare-part records.

Developed customer, vehicle, work-order, parts, manufacturer
and pricing management with Excel export.

Automated shipment tracking by parsing carrier tracking
pages and updating estimated delivery information.

Reduced repetitive administration by approximately 1 hour of
manual work per day.