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Viktor FriinVF
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Viktor Friin

@viktorfriin

Senior AI + Fullstack Engineer at ONEMINERS who cut task turnaround by 30%+ with AI agents and reduced AI costs by 35%.

Czechia
Message

At ONEMINERS, I build AI agents for code review, MCP integration, and analysis, reducing typical task turnaround by 30%+ while keeping outputs aligned with existing architecture. I also introduced AI reviewer agents and changed the review flow, cutting PR time-to-first-review by 50%+.

I orchestrate agents with model routing, subagents, and RAG to reduce AI costs and token usage by 35%. I built a 200-case golden set to compare prompts and model combinations, and mentored four new engineers through an AI-assisted review process and coding standards.

Experience

Work history, roles, and key accomplishments

ON
Current

Senior AI + Fullstack Engineer

Oneminers

Apr 2024 - Present (2 years 7 months)

Reduced task turnaround by 30%+ and AI costs by 35%+ through agent orchestration and RAG. Mentored 4 engineers and shipped a production cryptocurrency information site.

Education

Degrees, certifications, and relevant coursework

Czech Technical University in Prague logoCP

Czech Technical University in Prague

Bachelor of Science, Software Engineering and Technologies

2020 - 2024

Pursued a Bachelor's degree in Software Engineering and Technologies, focusing on software development and engineering principles.

Microsoft logoMI

Microsoft

Professional Certificate, Cloud Computing

Earned the Microsoft Azure Essentials Professional Certificate, covering fundamental Azure cloud concepts and services.

Anthropic logoAN

Anthropic

Certification, AI Development

Completed the Claude Code in Action certification, demonstrating practical skills in using Claude Code for development tasks.

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