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Sergei Lazarenko

Geophysicist & Data Analyst — Geodata Processing + Python Automation

📍 Located in: Russia 🕐
🌐 Can work in your timezone
👤 Freelancer
✔ Verified⭐ Zinner Level 1
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🛡️ Verified since June 2026

Member since
Jun 2026
Zinns listed
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Last active
13 hours ago

About

I'm a geophysicist with 5–10 years of experience in processing and interpreting
geological and geophysical data. My work has focused on turning complex subsurface
data into clear, decision-ready outputs — seismic processing, geophysical
interpretation, spatial analysis, and technical reporting for exploration and
subsoil licensing projects.

Beyond traditional geophysics, I specialize in automating the repetitive parts of
geoscience work using Python. I designed and built a working compliance monitoring
system from the ground up — a Dash + Flask + PostgreSQL application that tracks
subsoil use license obligations, deadlines, and regulatory requirements
automatically. This project taught me how to bridge deep domain knowledge with
practical software engineering, and how to use modern AI coding tools (Claude Code,
Codex) to build production-quality tools quickly and reliably.

What sets me apart is this combination: I'm not a generalist developer who learned
geology, and I'm not a geologist who only uses off-the-shelf software. I'm a domain
expert who builds the tools the domain actually needs — because I've felt the pain
of manual deadline tracking, messy data imports, and repetitive report generation
firsthand.

Services I offer include:

Geophysical and seismic data processing — cleaning, filtering, and preparing
raw data for interpretation
Data interpretation and technical reporting, with clear visuals and
actionable conclusions
GIS mapping and spatial analysis in QGIS — geological maps, thematic layers,
and spatial datasets
Data digitization — converting paper or scanned geological materials into
structured, usable formats
Python automation for geology and geoscience workflows — custom scripts and
small tools that handle calculations, deadline tracking, and report generation

I work remotely, communicate clearly about scope and timelines, and focus on
delivering a finished, usable product rather than just hours of work. I'm
comfortable with technical English for written collaboration and am continuing
to build my spoken English for real-time communication.

If your project involves geological or geophysical data that needs processing,
interpretation, mapping, or automation — I'd be glad to help.

Skills

Technologies and expertise this freelancer specialises in.

Categories

Service areas this freelancer is available for.

Portfolio

Subsoil License Compliance Monitoring System

A Dash + Flask + PostgreSQL system for tracking subsoil use license obligations, deadlines, and regulatory compliance. Built end-to-end, including an advisor module with automated rule-based recommendations.

View details →

Subsoil License Compliance Monitoring System

A Dash + Flask + PostgreSQL system for tracking subsoil use license obligations, deadlines, and regulatory compliance. Built end-to-end, including an advisor module with automated rule-based recommendations.

View details →
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