Ihor Savvov CV

Professional Summary

Security-minded Web Lead and Fullstack Architect with 10+ years of experience building high-load web applications, real-time builders, and microservices. Actively apply AI-driven development and automated workflows to speed up software delivery. Experienced in leading modern architecture transitions (Bun/Elysia, Nuxt 3), setting up n8n automations, and reducing response latency by up to 95% on critical bottlenecks. Combine banking-grade security background (Red Team pentesting, OWASP, DevSecOps) with modern web engineering to build fast and secure platforms.

Professional Experience

Web Lead Developer / Web Solution Architect

Dec 2025 – Present

GSC Game World | Prague, Czechia (Remote)

  • Lead the web development division for an AAA gaming studio, defining technical roadmaps and migrating backend services to a high-performance Bun + Elysia + TypeScript stack.
  • Integrate AI-driven development and automated team workflows using n8n, connecting internal webhooks, databases, and alerts to cut down routine manual tasks.
  • Rebuilt CI/CD pipelines in GitLab with automated Bitwarden Secrets Manager integration to keep all credentials secure (DevSecOps).
  • Found critical bottlenecks and refactored internal core services, reducing response times by 95%+ (from 30s down to <1s).
  • Integrated Sentry crash reporting for Unreal Engine (UE) to help QA and developers locate and fix bugs much faster.
  • Designed and built 3 key internal tools from scratch: HealthChecker Tool (real-time service monitoring), Zone Watcher (player feedback aggregator), and QA Reporter (collaborative daily reporting portal).

Stack: Bun, Elysia.js, TypeScript, Vue 3, Nuxt, Node.js, GitLab CI/CD, DevSecOps, Bitwarden, n8n, AI-Driven Dev, Sentry (UE), Docker.

Pumpushka Ecosystem Monetized Product
2025 – Present

Founder & Solution Architect | pumpushka.win • Remote SaaS & Jamstack

  • Designed and built an AI-driven crypto analytics platform combining a Telegram trading bot with a high-performance Jamstack web portal.
  • Architected the web platform using Astro 5, React, TinaCMS, and Tailwind CSS deployed on Vercel with static indexing via Pagefind.
  • Engineered an autonomous AI blog pipeline: daily cron pulls market news from the Fastify backend, identifies trending stories, rewrites and translates them into multiple languages via OpenAI API, and auto-publishes digests to the CMS.
  • Built the core backend on Bun, TypeScript, and Fastify, processing real-time crypto market data via CCXT, WebSockets, and GrammY with Upstash Redis session caching.
  • Integrated server-side charting with Chart.js and Sharp to generate and send technical analysis images directly into Telegram chats.
  • Containerized and deployed services to Fly.io with Turso (LibSQL) and Tigris S3 (MinIO), managed via a Vue.js (Vuestic) admin portal.

Stack: Astro 5, TinaCMS, React, Bun, TypeScript, Fastify, OpenAI API, GrammY, CCXT, Turso (LibSQL), Upstash Redis, Chart.js, Sharp, Vercel, Fly.io.

Senior Frontend Engineer / Frontend Lead

Oct 2023 – Mar 2025

FEdevCO | Kyiv, Ukraine (Remote)

  • Built a dual-app architecture: an admin drag-and-drop widget builder (Grid-App) and an ultra-fast client-facing platform (Front-App) for fintech, iGaming, and crypto products.
  • Created a modular widget system with atomic re-rendering to stop redundant DOM updates during high-frequency live WebSocket feeds (live scores and odds).
  • Optimized Core Web Vitals to the green zone using SSR data cleaning, dynamic hydration, and bundle tree-shaking.
  • Implemented strict TDD test coverage (Vitest/Jest) and code reviews, significantly reducing regression bugs between releases.

Stack: Vue 3, Nuxt 3, TypeScript, WebSockets, Pinia, Tailwind CSS, Vite, SSR Hydration, Vitest, Git.

Frontend Tech Lead / Senior Creative Engineer

Jun 2022 – Mar 2023

WTTM* | Geneva, Switzerland (Remote)

  • Led the frontend team developing complex, interactive web platforms for Swiss architectural and real estate clients.
  • Built a standardized build setup (Vite/ESBuild) and reusable UI component base, cutting project start time by 40%.
  • Developed interactive 3D showcases and complex animations (WebGL, Three.js, GSAP, PixiJS), maintaining stable 60 FPS without mobile memory leaks.

Stack: TypeScript, Vue.js, Three.js, WebGL, GSAP, PixiJS, Canvas API, Vite, Performance Tuning.

Lead Engineer / Tech Consultant

Jun 2021 – Jan 2023

RYZE Digital (VRM / Electronic Minds) | Frankfurt, Germany (Remote)

  • Managed a development sub-team delivering enterprise digital projects for major German clients (BBBank, Oerlikon).
  • Built reactive frontends (Vue.js) on top of headless CMS backends (WordPress, Drupal, Laravel), speeding up feature releases by 30%.
  • Engineered key modules for Newsroomplanner (aviation task management tool), ensuring role-based access control and live status updates.

Stack: Vue.js, Node.js, PHP, Laravel, WordPress, Docker, REST/GraphQL, Jest, E2E.

Information Security Expert / Web Pentester (Red Team)

Aug 2016 – Jun 2021

Bank Pivdenny | Odesa, Ukraine

  • Performed Red Team penetration tests on public banking web apps, internal networks, and financial APIs.
  • Built an automated API security testing framework using Python and Pytest to continuously validate banking endpoints against vulnerabilities.
  • Authored comprehensive vulnerability assessments, penetration test audit reports, and compliance documentation aligned with ISO/IEC 27001 standards.
  • Created OWASP remediation guides for developers and conducted phishing and email spoofing simulations to evaluate staff readiness.
  • Built internal automation tools with Vue.js, Express, and MongoDB to speed up routine security audits.

Focus: Python, Pytest, AppSec, Offensive Security, ISO/IEC 27001, OWASP Top 10, Network Penetration Testing, Burp Suite Pro, Kali Linux.

Earlier Engineering Experience

Nextpage Agency — Frontend / Creative Engineer May 2018 – Sep 2019

Built Awwwards-nominated sites (LOBODS, Morf Athletics, Wulf Inc) using Vue.js, Three.js, and GSAP at smooth 60 FPS; optimized asset bundling to decrease file sizes by 30%.

BizUp Agency — Frontend Developer Jun 2017 – Mar 2018

Created fast custom e-commerce themes (OpenCart, WordPress) scoring 90+ on Google PageSpeed; integrated PHP/MySQL product catalogs and checkout flows.