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Recommended expert

Laugna, Germany

Experience

Nov 2023 - Present

2 years 5 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.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (3.5 years).

Information Technology

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (3.5 years), Product Development (3.5 years), and Operations (1 year).

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

Profile

Created

February 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Oleksandr based?

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

What languages does Oleksandr speak?

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

How many years of experience does Oleksandr have?

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 and 9 months. Note that Oleksandr may not have shared all experience and actually has more experience.

What roles would Oleksandr be best suited for?

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

What is Oleksandr's latest experience?

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

What companies has Oleksandr worked for in recent years?

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

Which industries is Oleksandr most experienced in?

Oleksandr is most experienced in industries like Information Technology (IT).

Which business areas is Oleksandr most experienced in?

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

What is Oleksandr's education?

Oleksandr attended Vasyl Stefanyk Carpathian National University for Computer Science.

What is the availability of Oleksandr?

Oleksandr is immediately available full-time for suitable projects.

What is the rate of Oleksandr?

Oleksandr's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.