senior software engineer

Anton
Bolog.

Building scalable systems with PHP, Go & Python.
From event-driven microservices to AI-powered products.

Get in touch View projects
01

Tech Stack

Tools & technologies I work with daily

PHP
PHP
Symfony
Symfony
Laravel
Laravel
Yii2
Yii2
Golang
Golang
Python
Python
FastAPI
FastAPI
React
React
Next.js
Next.js
MySQL
MySQL
PostgreSQL
PostgreSQL
Redis
Redis
Elasticsearch
Elasticsearch
RabbitMQ
RabbitMQ
Docker
Docker
Kubernetes
Kubernetes
AWS
AWS
Gin
Gin
gRPC
gRPC
WebSocket
02

Services

What I can build for you

01

Backend Architecture

DDD, CQRS, Event Sourcing, Hexagonal Architecture. Monolith-to-microservices migrations with zero downtime.

DDDCQRSEvent SourcingHexagonal
02

MVP Development

Full-stack SPA + API from scratch. React/Next.js frontends with Symfony or Go backends, Traefik reverse proxy.

Next.jsSymfonyGoREST/GraphQL
03

AI / LLM Integration

RAG pipelines with Qdrant vector DB, OpenAI API integration, prompt engineering, FastAPI serving layer.

RAGLangChainOpenAIQdrant
04

High-Load Systems

Real-time WebSockets serving 20K concurrent users. Aurora MySQL, Redis caching, queue-based processing.

WebSocketsRedisAurora20K CCU
05

Cloud & DevOps

Kubernetes on GKE, AWS infrastructure, Docker containerization, GitHub Actions CI/CD pipelines.

K8sGKEAWSGitHub Actions
06

Code Review & Consulting

PHP/Symfony legacy modernization. PHP 7→8 and Symfony 4→7 migrations. Architecture audits and refactoring.

PHP 8.3Symfony 7RefactoringAudit
03

Projects

Open-source work & templates

ddd_template

Production-ready DDD/CQRS/Event Sourcing template for fintech domains.

PHP 8.3Symfony 7DDDCQRSEvent Sourcing

cds

Full-stack delivery management app. Factory Method pattern for delivery strategies.

PHP 8.3ReactTypeScriptPostgreSQLDocker

hire-flow

Microservices hiring pipeline. Go API gateway + Python ML service.

GolangPythonMicroservicesRabbitMQDocker Compose

Minesweeper18

Classic Minesweeper modernized. Legacy PHP → PHP 8.3 + React + Vite.

PHP 8.3ReactViteTailwindDocker

mini-wiki-qa

RAG-powered Q&A over wiki content. Qdrant vector DB + OpenAI embeddings.

PythonRAGQdrantOpenAIFastAPI

View all on GitHub

More projects, templates, and experiments.

→
04

How I work

Battle-tested approaches to backend challenges

MPA monolith → SPA + REST API. Symfony + API Platform frontend/backend split. Reverse proxy (Nginx/Traefik) or CORS for separate repos.

SymfonyAPI PlatformReactNext.jsTraefik

DDD bounded context decomposition. Gradual extraction without downtime. Event-driven communication via RabbitMQ/SQS.

DDDCQRSEvent SourcingRabbitMQ

WebSockets for real-time features. Redis caching strategies. Aurora MySQL optimization. Load tested to 20K+ CCU.

WebSocketsRedisAurora MySQLAWS

RAG pipelines over existing products. Qdrant vector search. OpenAI embeddings + FastAPI serving layer.

RAGQdrantOpenAIFastAPI

WordPress / WooCommerce stores, Magento module development, rapid MVPs on Laravel, Symfony, Yii2. From landing pages to full e-commerce platforms — delivered fast.

WordPressWooCommerceMagentoLaravelYii2Symfony
05

Let's build
something.

Have a project in mind? Looking for a senior software engineer?
Let's talk architecture, systems, and what's possible.

Get in touch
LinkedIn linkedin.com/in/anton-b GitHub github.com/copycatsh