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

AI Governance Gateway

Enterprise AI governance and FinOps control plane for governed model access, implemented across AWS and Azure environments with centralized identity, policy, budget, routing, usage and audit controls.

Open project story →
AI & Data2025–26
03

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
04

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
05

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
06

SWIFT Alliance Cloud

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

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.ON-LINE DATA
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.