PHP · Go · MySQL · Elasticsearch

Technical Debt Audit for Backend Systems

You inherited a backend nobody wants to touch: dependencies are old, tests are missing, and every change is risky. I audit the actual debt and give you a prioritized plan to pay it down safely.

Problems

What I Can Help With

Assess technical debt in an existing backend.

Symptoms

Typical Problems

outdated dependencies missing test coverage spaghetti/refactored code fragile deployments mixed responsibilities no onboarding docs
Track Record

Relevant Experience

Audited PHP and Go backends for Cenoskop and AnalyticsForWebsite — found dependency risks, missing test coverage, and deployment fragility. Produced prioritized remediation plans.

Scope

What Is Included

dependency and version audit
code quality review
test coverage review
deployment review
prioritized remediation plan
Process

How It Works

I review the codebase, dependencies and CI/deployment with read-only access, and return a written report ranked by risk. Fixed price €499.

Pricing

Fixed price €499

Audit and a written report. Implementation of recommendations is quoted separately.

FAQ

Frequently Asked Questions

Do you change anything during the audit?

No — read-only access only. You get a report you can act on.

More

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Selected Work

Systems I've Built

Traffic Analysis

AnalyticsForWebsite

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

Designed and built the backend for fast traffic metric collection and evaluation.

Performance Optimization Data Collection
Secure Communication

Paidshield

Chat application with end-to-end encryption.

Built the backend and encryption layer for a secure chat application.

End-to-End Encryption Real-time Communication Security
Price Intelligence Engine

Cenoskop / Levnobot

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

Built and maintain the full crawling pipeline — from scraping through Elasticsearch indexing to price comparison.

Data Aggregation Scraping ElasticSearch
Contact

Not sure what's wrong?

Write what's happening and paste anything relevant — errors, logs, metrics. I'll have a look and tell you what I think.

Request a technical debt audit