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Razvan BLAGA

@razvanblaga

Python developer and software contractor building cloud data pipelines, REST APIs, and automated tests across AWS and Azure.

Romania

Message

On my 2024–2025 data engineering contract, I extended a Python machine learning pipeline that uses Pandas and Snowflake to predict hardware health scores. I also added local test infrastructure and automatic cloud deployment.

For software contracting projects, I built Python REST APIs for Azure Functions and worked on an AWS product management platform. On the latter, I reduced the runtime of automated unit and integration tests by about 50%.

At Syneto, I worked on a Python REST API for migrating virtual machines between VMware environments and a scheduler for backups. I also packaged Python microservices for CentOS.

Earlier, at SafeFleet, I rewrote GPS data collection services and built black-box testing tools to improve data integrity. I’m a fan of test-driven development, Linux, and automation, and I value simplicity in software systems.

Experience

Work history, roles, and key accomplishments

Data Engineer Contractor

ML Pipeline Preventive Maintenance

Jan 2024 - Dec 2025 (1 year 11 months)

Extended and added new features for a machine learning pipeline written in Python, including local test infrastructure compatible with Snowflake and automatic cloud deployment.

Python Pytest Pandas GitLab CI CD Snowflake ML Pipelines cloud deployment

Software Contractor

Django services for POS system

Jan 2024 - Dec 2024 (11 months)

Added new features for a Django customer portal, extended REST API schema, and started UI test automation using Playwright.

Django Django REST Framework Celery Github CI CD Docker Docker Compose BASH Mockoon Postman Playwright

Software Contractor

REST APIs for big retail company

Jan 2022 - Dec 2023 (1 year 11 months)

Exposed internal data from Azure storage locations via REST APIs using Python and Azure Functions, with automated unit tests using pytest.

Python Azure Functions Pytest Pandas Github CI CD REST APIs OpenAPI

Software Contractor

Product management platform big retail EU

Jan 2020 - Dec 2022 (2 years 11 months)

Worked on a product management platform built on AWS, implementing features, fixing bugs, and reducing automated test running time by about 50%.

Python AWS DynamoDB API Gateway SNS Amazon SQS S3 Cloudwatch Bitbucket Pipelines Pytest

Python Developer / Team Lead

Syneto

Jan 2018 - Dec 2020 (2 years 11 months)

Started a green field project for migrating Virtual Machines between VMWare infrastructures, building a Python REST API and a smart scheduler for backups.

Python Flask Flask Restplus VMWare ZFS rpm Sanic AsyncIO REST APIs

Python Developer

3pillarglobal.com

Jan 2016 - Dec 2018 (2 years 11 months)

Worked on projects for USA-based clients like PBS and ComScore, including cloud migration and Django site development with code reviews and test-first environment.

Python Django Django REST Framework Celery Ansible Docker

Python Developer

SafeFleet (ETA Automatizari SRL)

Jan 2015 - Dec 2016 (1 year 11 months)

Rewrote several services to handle up to 40k simultaneous connections per TCP server, built black box testing tools, and updated existing microservices.

Python Tornado Django PostgreSQL MongoDB TCP Testing

PHP Developer

Various Companies

Jan 2010 - Dec 2015 (5 years 11 months)

Worked for different companies from web agencies to online casinos, implementing nested graph algorithms, building backup systems, and improving XML API speed.

PHP XML SQL Backup Systems graph algorithms