Roma Vandolyak

Senior Backend Engineer | AI Engineering | PHP, Python, LLM Applications

Location:Khmelnytskyi, Ukraine

Timezone:UTC+2 (EET)

Experience:8 Years

Direct Rate

$45–$65/ hour (USD)

Available for Projects

Direct Inquiry / Match

No middleman platform markups. Direct contact.

About & Engineering Approach

Senior backend engineer working across PHP and Python, with a growing focus on AI engineering: building LLM-powered application features on top of existing backend systems and APIs.

Core Technologies & Competencies

Primary Specializations

PHP

Python

LLM

All Technologies & Tools

PHP

Python

LLM

AI Engineering

Commercial Experience

Senior Backend Engineer @ DeepStack Labs

2018-03-01 — Present

Leads backend development across PHP and Python services, and integrates LLM-powered features such as document automation into existing product APIs.

PHPPythonLLM

Selected Portfolio & Deliverables

Backend ServiceLegalTech

LLM-Powered Document Automation API

A backend API built on PHP and Python that uses an LLM to draft and validate legal document templates from structured input.

PHP

Python

LLM

Vetting Standards

Identity & Commercial Track RecordVerified past employment and client references.

Code & Architecture AuditAssessed on production code standards and type safety.

Direct Contract SupportNo platform lock-in. Work directly with clear terms.

Languages

Verified Links

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