Pavel Zaitsau

Tech Lead, AI / ML @ ADF Solutions, Inc 2022 - present

Forensic data analysis software appliance for law enforcement and cybersecurity teams. Architected the platform from the ground up and led its shift to AI-powered analysis, including a production RAG system over seized-device data.

• Architected the platform from scratch: a Kubernetes, air-gapped appliance for ingestion, indexing, annotation, and case management
• Built the Elasticsearch indexing pipeline and the microservices and .NET APIs around it
• Built the data-processing and indexing pipelines in Python on Apache Airflow
• Shipped a production RAG system: query seized devices in plain language, answers cited to source
• Built hybrid retrieval and cross-encoder reranking
• Orchestrated LLM workflows in .NET with Semantic Kernel
• Ran on-prem LLMs for data isolation, with full audit logging
• Shipped speech-to-text, image classification, and summarization modules on Hugging Face Transformers, PyTorch, and TensorFlow
• Led 5-9 engineers; owned CI/CD and .NET API standards

Co-Founder @ Góra Print 2025 - present

Pet business building custom 3D-printed physical terrain models from open geospatial data. Combines cartographic data processing, terrain modeling, and small-scale manufacturing into an end-to-end product.

• Built a Python pipeline that turns open geospatial data (FABDEM, OpenStreetMap) into terrain models
• Built a toolchain to prep models for 3D printing
• Added an LLM-driven order flow: intake, payment, shipping

Software Engineer @ Ryanair 2021 - 2022

Schedule management system for one of Europe's largest low-cost carriers (100M+ passengers/yr). High-volume, latency-sensitive backend services.

• Designed microservices for flight scheduling at airline scale
• Migrated .NET 4.7 to .NET 6 with zero downtime
• Cut API response times through performance work
• Improved CI reliability and deploy frequency
• Built internal WPF tooling for scheduling operations

Tech Lead @ VEB Technologies 2020 - 2021

Integrated B2B fintech platform for a major Belarusian bank, built on a private cloud with 50+ interconnected microservices.

• Led development and QA for a B2B banking platform
• Designed architecture across 50+ microservices on private cloud
• Managed 5+ engineers; set up code review and testing
• Owned infra, CI/CD, and releases

Senior Software Engineer @ Domino's Pizza UK & Ireland 2019 - 2020

Multi-market high-performance e-commerce platform serving millions of orders across UK and Ireland.

• Shipped features on a high-traffic e-commerce backend
• Worked with stakeholders and QA across markets
• Mentored engineers; drove code quality

Senior Software Engineer @ Coral Technology 2017 - 2019

Cloud-based B2B platform for media distribution and ad sales, serving broadcast industry clients.

• Built modules for a cloud B2B media platform (Coral MSP)
• Built a load-testing system from scratch
• Drove code quality: reviews, UI tests, profiling
• Delivered features for the ad sales system

Senior Software Engineer @ Wolters Kluwer 2014 - 2017

SaaS governance, risk, and compliance (GRC) platform and HITRUST CSF integrated risk assessment tool.

• Built core GRC components: logging/search, encrypted data store
• Led architecture and code reviews; drove CI/CD and test automation
• Owned releases and support for the HITRUST CSF platform

Tech Lead @ Belarusian-Russian University 2012 - 2017

Public website and internal subsystems - built from scratch. Full ownership over 5 years: architecture, team, infrastructure, and delivery.

• Built the web portal and internal systems from zero: CMS, event hub, asset and schedule management
• Led the team across the full lifecycle
• Set up load balancing and CI/CD for high availability

Key Developer @ Netologic Inc. (Investars) 2011 - 2014

Investment analytics platform and mobile applications. Early-career, full-stack engineering.

• Delivered features for an investment analytics platform
• Built the mobile backend; worked across the codebase