Oleksandr Kademskyi - AI Systems Architect & Automation Lead

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Laugna, Germany

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Experience

Nov 2023 - Present

2 years 10 months

AI Systems Architect & Automation Lead

Fabece / PromptoAI

Architected RAG retrieval system cutting manual RAG pipelines processing by 70% and saving 120+ hours/month.
Designed automation layer increasing operational throughput by 40%.
Built context-aware AI agents improving precision by 30%.
Established automation governance to ensure scalability and reduce risk.

Sep 2022 - Nov 2023

1 year 3 months

Fullstack Developer

Freelance

Built scalable backend architectures for multiple clients (NestJS, Redis, MongoDB), enabling reliable, modular AI system generating training plans autonomously; cut planning time by 80%.
Developed AI-driven agents improving search precision and decision-support accuracy by 30%.
Implemented secure authentication & billing systems providing automation backend (RBAC, workflows, billing) powering PromptoAI’s internal operations (Auth0, Stripe) to support rapid MVP launches and revenue readiness.
Introduced automation frameworks that reduced operational overhead and increased system reliability across client projects.

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology.

Information Technology

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, and Operations.

Information Technology

Product Development

Operations

Summary

AI Systems Architect focused on RAG, autonomous workflow design, and scalable backend systems. Builds AI-driven architectures that reduce operational complexity and enable data-driven decision- making. Positioned for technical leadership and strategic product ownership. Designated Tech Partner at PromptoAI UG (effective January 2026).

Skills

Nestjs
Sql/Nosql
Openai Api
Redis
Kafka
Docker
Stripe
Angular
Ci/Cd
Swagger
Prioritization
High-Velocity Delivery
End-To-End Ownership
Systems Thinking
Clear Communication
Deadline Reliability

Languages

Ukrainian

Native

English

Intermediate

German

Elementary

Education

Sep 2021 - Jun 2025

Vasyl Stefanyk Carpathian National University

Computer Science · Ivano-Frankivsk, Ukraine

Statistics

Experience

Total positions 2

Experience in Information Technology 4 y

Avg length 2 y

Longest experience 2 y 9 m

Expertise

Recent roles AI Systems Architect & Automation Lead, Fullstack Developer

Main industries Information Technology

Main business areas Information Technology, Product Development, Operations

Profile

Member since

February 2026

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Frequently asked questions

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Oleksandr is based in Laugna, Germany and can operate in on-site, hybrid, and remote work models.

Oleksandr speaks the following languages: Ukrainian (Native), English (Intermediate), German (Elementary).

Oleksandr has at least 4 years of experience. During this time, Oleksandr has worked in at least 2 different roles and for 2 different companies. The average length of individual experience is 2 years. Note that Oleksandr may not have shared all experience and actually has more experience.

Based on recent experience, Oleksandr would be well-suited for roles such as: AI Systems Architect & Automation Lead, Fullstack Developer.

Oleksandr's most recent position is AI Systems Architect & Automation Lead at Fabece / PromptoAI.

In recent years, Oleksandr has worked for Fabece / PromptoAI and Freelance.

Oleksandr is most experienced in industries like Information Technology.

Oleksandr is most experienced in business areas like Information Technology, Product Development, and Operations.

Oleksandr attended Vasyl Stefanyk Carpathian National University for Computer Science.

The availability of Oleksandr needs to be confirmed.

Daily rate distribution

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<€720 €720-800 €800-880 €880-960 €1040-1120 €1120+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

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Daily rate avg. 872 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

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Median rate 864 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 30 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.