senior backend engineer

Anton
Bolog.

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

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

04

Experience

Where I've been building

SportCaller via Polytech Software

Senior PHP/Symfony Engineer

  • HKJC, sportsbet.io, Superbet Romania, Virgin Bet UK
  • Real-time WebSockets — 20K concurrent users
  • PHP 7→8 + Symfony 4→7 migrations
  • Aurora MySQL 4–8 GB, Redis caching layer

JustSchool

Middle PHP Developer

  • Symfony 4.x microservices architecture
  • REST API design and implementation

Leroy Merlin internal project

Middle PHP Developer

  • Delivery aggregator platform
  • RabbitMQ event-driven processing
05

Let's build
something.

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

Get in touch