Codexworker

Backend Developer

Go · PHP/Symfony · SQL · Docker · Linux

I work on backend systems — APIs, data pipelines, crawlers, integrations, performance issues. If you have a backend that needs building or fixing, I can help.

Available for contract work.

Remote · EU timezone

Services

What I can do for you.

Performance

PHP, MySQL and Elasticsearch optimization. Find and fix what's slow.

All services →

Development

Go and PHP backends, APIs, Docker. Built for production.

All services →

Data

Web scraping, crawling, data pipelines and price monitoring.

All services →

Migration

Legacy PHP modernization, PHP to Go, backend migration.

All services →

Selected Work

Price Intelligence Engine

Cenoskop / Levnobot

Crawler monitoring millions of products. Processing 30M products daily and comparing them.

Data Aggregation Scraping ElasticSearch
US Price Intelligence

Niftycent

Price intelligence engine for the US market. Processing large-scale product data.

Data Aggregation Scraping Big Data
Traffic Analysis

AnalyticsForWebsite

Custom solution for collecting and evaluating traffic metrics with emphasis on processing speed and minimizing backend load.

Performance Optimization Data Collection
Secure Communication

Paidshield

Chat application with end-to-end encryption.

End-to-End Encryption Real-time Communication Security
DNS Security

Synopsee

A Cleaner, Safer Internet. Take control of your DNS. Block ads, trackers, and malicious sites with customizable profiles.

DNS Security Privacy
Disk Usage Analyzer

spacestat

Rust-based TUI disk usage analyzer.

Rust TUI System Utility
Job & Services Marketplace

facha.sk

Find a job or offer your services.

Job Marketplace Services Go
Security Scanner

remotedaemon.com

Remote security scanner with ping and certificate checking.

Security Ping Certificate

How It Works

01

Tell me what you need

Describe the problem or what you want to build.

02

We figure it out

I look at the problem and we agree on what needs to be done.

03

I do the work

Development, debugging, testing — whatever is needed.

04

You get results

Working code and a system that does what it should.

Get in Touch

Describe what you need help with.

Send Request