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Vadym PoltoratskyiVP
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Vadym Poltoratskyi

@vadympoltoratskyi

Tech Lead and Data Engineer at SoftServe, remastering Hexagon’s mining dashboard and introducing an AI Harness for Spec-Driven Development.

Ukraine
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At SoftServe, I took ownership of Hexagon’s mining dashboard after the previous vendor, reverse-engineered undocumented parts of the system, and created a knowledge base to support its maintenance. I also proposed and developed an AI Harness for Spec-Driven Development.

On the Keller Williams high-load trading platform, I defined a migration from Elasticsearch to Mongo Atlas Search that reduced indexing and text-search costs by roughly 50%. I also co-implemented federated micro-frontends, helping improve load performance from red to green.

As Developer Team Lead on Keller Williams, I helped turn around an underperforming team and increased its velocity by 40%. I also improved service authentication and Kubernetes topology using SPIRE and Istio.

For Custom GPT Multimodal, I designed an asynchronous backend architecture and a prompt-versioning system, and abstracted the model layer to support OpenAI and Claude. Across these projects, I’ve worked on data engineering, full-stack development, architecture, and production AI integrations.

Experience

Work history, roles, and key accomplishments

HS

Full-stack Developer / Data/AI Engineer / Architect

Hexagon (SoftServe)

Jan 2025 - Dec 2026 (1 year 11 months)

Remastered and maintained 4.1.x and 4.2.1 versions of a mining dashboard product, migrating on-premise solutions to cloud. Proposed and implemented Spec-Driven Development adoption, AI Harness, and in-house plugin marketplace, and took ownership of legacy systems, improving delivery and documentation.

SS

Developer

Service Trade (SoftServe)

Jan 2022 - Feb 2022 (1 month)

Delivered a full PDF/XML/XLS processing pipeline for a fire security platform under a tight 2-month deadline. Implemented pdf compiling, xml parsing, xls parsing, and Docusign integration, ensuring compliance and user-friendly experience.

Education

Degrees, certifications, and relevant coursework

CU

Chernivtsi National University

Master Degree, Computer Science and Artificial Intelligence

Master Degree in Computer Science and Artificial Intelligence.

KU

Kyiv National Trade and Economics University

Master Degree, Finance

Grade: honours

Master Degree in Finance with honours, assessed by IQAS.

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