Valerii Tsoi
Technology leadership • architecture • execution

Building reliable technology for complex, real-world systems.

Hands-on technology executive and software architect with 20+ years of experience building and modernizing complex products across enterprise AI, search and data platforms, fintech, capital markets and regulated B2B environments.

AI / LLM & RAGEnterprise ArchitectureAWS & Cloud PlatformsEngineering LeadershipFinTech & Capital MarketsCybersecurity & Compliance
Barcelona, Spain20+ yearsAI + Cloud + FinTech
About

Builder. Leader. Problem solver. Always learning.

I combine executive ownership with a player-coach leadership style: setting technical direction, solving difficult architecture and production problems, mentoring senior engineers, and staying close to APIs, data flows, cloud infrastructure, observability and code-level decisions.

20+years in technology leadership
~750largest IT organization led, through 12 functional directors
AI + Cloudplatforms, data, architecture and operations
GlobalEurope, Central Asia, China and multi-country banking
Experience

Leadership across AI, exchanges, fintech and banking.

Full experience →
2025–2026

Multiverse Computing

Engineering Manager / AI & Data Platform Architect

Led architecture and delivery for Model Zoo, Data Portal and AI Foundry data-layer capabilities across product, AI, data and platform teams.

AILLMRAGData Platforms
2018–2024

Astana International Exchange (AIX)

CIO / Head of Engineering

Owned technology strategy, architecture, cloud infrastructure, cybersecurity and operational reliability for a mission-critical international exchange.

Capital MarketsAWSTradingSecurity
2016–2018

MS Finance / Mashang Consumer Finance

CTO

Co-founded and scaled a technology-driven consumer-finance platform, leading architecture, engineering, operations, data and AI scoring capabilities.

FinTechAI ScoringHigh Load
2003–2016

Home Credit Bank

CIO / Technology Program Director

Led large-scale modernization, digital transformation, software delivery, infrastructure, security and enterprise-platform programmes across multiple countries.

BankingTransformationLeadership
Selected projects

From enterprise AI to market infrastructure.

All projects →
AI & Data2026
01

Multiverse AI Foundry

Enterprise AI platform supporting model governance, benchmarking, evaluation, lifecycle management and cloud-native AI operations.

Open project story →
AI & Data2025–26
02

Model Zoo & Data Portal

Centralized product for discovering, evaluating, comparing and governing AI/LLM models with metadata, benchmark and compute-performance information.

Open project story →
Product2026
03

GoodbyeMama

Cloud-native multilingual web and mobile PropTech platform for rental discovery, roommate matching, referrals, booking journeys and administration.

Open project story →
Capital Markets2020–24
04

Tabys Mobile Investment Platform

Mobile investing platform for first-time and non-professional investors with reusable SaaS integrations for brokers, custodians and banks.

Open project story →
Payments2023
05

SWIFT Alliance Cloud

Secure AWS-based connectivity and integration with the global SWIFT financial messaging network.

Open project story →
Trading2020
06

Nasdaq Matching Engine on AWS

Public-cloud deployment of Nasdaq matching-engine technology for a regulated, business-critical exchange platform.

Open project story →
Smart home & energy

Technology is also a hobby — especially when it moves electrons and heat.

A 10 kW three-phase solar system, smart-load management, a reversible heat pump, a swimming pool used as a thermal field, plus centralized safety, comfort and energy sensors.

Home energy loop
10 kW • 3-phase solar • smart loads • reversible heat pump
10 kW Solar • 3 PhaseSMARTLOADcontrollerHEATPUMPPOOL THERMAL FIELDSMARTHOMEcomfort sensorssecurity sensorsenergy metersSummer: cool the house → move heat into the poolSurplus solar power can be directed automatically to smart loads and thermal storage.
10 kW / 3φrooftop solar generation
Smart Loadsurplus energy is routed to useful loads instead of wasted
Pool ↔ Heat Pumpthermal energy is moved seasonally to support cooling and heating
Explore the system →
Beyond work

Mountains, roads, cultures and curiosity.

Travel stories →
Pamir Plateau by motorbike

Pamir Plateau by motorbike

A 17-day motorcycle expedition through remote high-altitude roads, including the 4,655 m Ak-Baital Pass.

Skiing

Skiing

Mountain skiing in Kazakhstan, the Tatras and Andorra — snow, speed, technique and elevation.

Asia & beyond

Asia & beyond

China, Tibet, Vietnam, Myanmar, Thailand, Kazakhstan’s steppe and Tien Shan mountains, and the Maldives.