About
Hi! I'm Vlad — AI Engineer, Blockchain Architect, and Node.js & PHP Developer.
I wrote my first working code back in 1996. Literally. It was summer vacation, I was 8 years old, and I'd already gotten bored of playing Contra, Golden Axe 3, and Saboteur on my ZX Spectrum (well… truth be told, I was just terrible at them, and my young psyche couldn't handle the constant defeats). So, I was offered something "simpler" — try writing a BASIC program using a printed manual.
Turned out, it wasn't simpler at all. But after a couple of months, I managed to finish two projects: an analog clock and a graphics editor. Sure, the clock ran about ten times faster than it should have, and the graphics editor's interface didn't work at all… but they compiled, which at the time was already a victory.
Apparently, the experience left a lasting mark on me, because I didn't return to programming until 2002 — preferring more "fun" activities in the meantime. That was the golden age of mobile WAP sites, and dreaming of getting rich off the hype, quitting school, and doing nothing ever again, I dove into PHP and WML (basically a severely trimmed-down version of HTML). I didn't have a proper internet connection back then, so my "learning materials" were the official PHP manual and the source code of phpBB, the most popular forum engine at the time. Spoiler: I didn't get rich. But I still work with PHP to this day.
From 2005 to 2010, I studied information security at university — an interesting experience, but if you're picturing Hollywood-style hacker scenes… forget it. In reality, it was heavy on math, which I never particularly loved. Still, there were fun bits with C++, Assembler, and other geeky things. And to stay sane, I kept working with my old friend PHP on the side.
So why this little trip down memory lane? Well, in today's "vibe coding" era — where apps are written with LLMs and some developers barely know how they work — I'm the guy who, thanks to a long and unconventional history, makes sure that vibe turns into something truly solid and positive.
You bring me a problem — I'll break it down, analyze it, and find the optimal solution.
Experience & Skills
Senior software engineer with 18+ years of professional experience and 30 years of hands-on programming background, specializing in backend development, AI engineering, and blockchain/Web3 systems. Deep expertise in Node.js, NestJS, PHP, microservices, and distributed architectures, with a strong foundation in information and network security. Proven track record of designing, building, and scaling production systems across SaaS, fintech, and e-commerce domains.
Core Competencies
AI Engineering & LLM Integrations
Backend Architecture & Microservices
Distributed Systems & Performance
Blockchain / Web3 Development
Security-Oriented Engineering
Technical Arsenal
AI Pipelines, LLM Integrations, Conversational AI, Voice AI, Prompt Engineering
Node.js, NestJS, PHP, Laravel, Microservices, GraphQL, Neo4j, API Development
Solidity, Smart Contracts, Ethereum, Web3 Integrations
Next.js, React.js, Modern JavaScript
MySQL, Redis, ElasticSearch, Memcached, Linux, Apache
Information Security, Network Security, Cryptography, Firewalls
Recent Work
- Developing AI voice platform for real-time conversational applications
- Building backend services using NestJS and Node.js
- Implementing frontend features and dashboards with Next.js
- Integrating and orchestrating multiple LLM providers
- Designing scalable AI pipelines and production-grade APIs
- Establishing and optimizing development workflows, code review processes, and deployment pipelines
- Organizing work processes and coordinating cross-functional development efforts
- Building AI-enabled backend services and integrations
- Developing AI-powered image optimization applications with intelligent compression and quality enhancement
- Designing automation and intelligent data-processing workflows
- Delivering end-to-end AI solutions from architecture to production
- Designing and implementing backend systems using Node.js and NestJS
- Building microservices and GraphQL APIs for enterprise applications
- Developing analytics applications with real-time data processing and reporting
- Creating inventory management systems with automated tracking and optimization
- Building replenishment prediction systems using data analytics and forecasting algorithms
- Developing custom cryptocurrency payment systems and blockchain integrations
- Delivering scalable, high-load systems for distributed teams
- Developing blockchain applications and smart contracts
- Building Web3 integrations and backend services
- Working with Solidity and Ethereum ecosystem tooling
- Developing DeFi tokens, DEX platforms, and lending protocols
- Developing and maintaining large-scale PHP applications and custom APIs
- Extensive work with WordPress, WooCommerce, Magento, Laravel
- Building and optimizing high-load WooCommerce stores handling thousands of transactions daily
- Developing custom payment methods and payment gateway integrations for WooCommerce
- Creating systems and extensions for payment optimizations including restrictions, throttling, and risk filters
- Developing CRM systems and customizing existing CRM solutions for e-commerce workflows
- Successfully optimizing performance of high-load projects through caching, database optimization, and code refactoring
- Payment systems, shipping integrations, automation, performance optimization
- Enterprise PHP development and long-term product maintenance
- API integrations, ElasticSearch, MySQL, Redis
- Working within structured engineering teams and production environments
- Network and infrastructure security operations
- Firewalls, virtualization, Linux servers, database security
- Full-time PHP development for commercial web applications
- Backend logic, database-driven features, system maintenance
Education & Languages
MSc, Information Security
Kharkiv National University of Radioelectronics
2005 – 2010
Ukrainian Native
English Professional
