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yaroslav_py

Yaroslav T

@yaroslav_py

Python Developer, Data Engineer

Ukraine
English, Ukrainian
About me
I am a Python Developer and Data Engineer. As of now, I'm a Lead Python Engineer with 8+ years of experience building scalable backend systems, data pipelines, and integrations in cloud environments. Experienced in: • Designing and owning production-grade backend services • Building async and event-driven systems • Building and scaling data lakes, data warehouses, hybrid systems • Developing data and ML-adjacent pipelines • Leading architecture decisions and mentoring engineers My hobbies are: music, retro-gaming, sound recording.... Read more

Skills

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yaroslav_py
Yaroslav T
Offline • 

See my services

Scripting
I will develop a script that processes data and stores the results where you want
From$100 / projectMore details
CRM & ERP Development
I will extend your odoo 18 or 19 with extra modules
From$30 / projectMore details

Portfolio

Work experience

GPL_Originals

Lead Technical Developer / Backend Engineer

GPL Originals • Full-time

Jun 2021 - Jan 2026 • 4 yrs 7 mos

Ownership: backend systems, data platform, and integrations • Designed and built scalable backend systems for data processing and integrations • Developed async and event-driven pipelines using AWS Lambda and Kinesis • Owned full lifecycle: architecture implementation deployment monitoring • Collaborated with data teams to productionise ML-driven features (OCR pipelines, data enrichment) • Led code reviews and architectural decisions, mentoring team members Key Impact: • Built a cloud-based data platform (S3 + Athena + Redshift) supporting analytics and ML use cases • Implemented real-time processing pipelines for streaming data • Designed robust integrations across CRM, telephony, and marketing systems Tech: Python, FastAPI, PySpark, AWS, SQL, Terraform