Go · PHP/Symfony · MySQL · Elasticsearch · Docker · Linux
I build, fix and optimize backend systems that handle real data and real traffic. Each service below is a specific problem I can solve — pick what matches your need, or send me your problem.
Profile and optimize PHP applications that are slow, memory-heavy or consuming too much CPU.
Optimize MySQL queries, indexes and schema for a production workload.
Optimize Elasticsearch queries, mappings, indices and cluster configuration.
Find and prioritize the real bottlenecks across your full backend stack.
Tune Elasticsearch for your specific query and data patterns.
Optimize the full request path for a slow web application.
Optimize MySQL queries, indexes and schema for your workload.
Build or extend backend features, APIs and services in PHP.
Work on an existing PHP project — extensions, fixes and maintenance.
Build Go daemons and background services.
Containerize and Dockerize backend systems.
Implement Elasticsearch for search, analytics and indexing.
Build custom web scrapers that run reliably.
Build scalable web crawling infrastructure.
Scale crawling to millions of URLs across many hosts.
Build price monitoring infrastructure for products/sellers.
Extract and normalize product data from external sources.
Build ETL/import/transform/export pipelines for large datasets.
Gradually modernize a legacy PHP application.
Migrate backend components incrementally.
Migrate to or upgrade Elasticsearch with minimal downtime.
Diagnose why a PHP application is slow, no rewrite required.
Find what causes PHP memory usage to grow until the process dies.
Find what drives high CPU in PHP production.
Assess technical debt in an existing backend.
Architecture review, code review and problem-solving consulting.
Describe the problem or what you want to build.
I look at the problem and we agree on what needs to be done.
Development, debugging, testing — whatever is needed.
Working code and a system that does what it should.
Not sure which service matches your problem? Send me a short description. I'll tell you where to start.