Nikolay Baakh

May 2026 — Present

Head of AI · Analytics Platform

Confidential Client · Cyprus (Remote) · Contract

• Built a natural-language-to-SQL/Python agent over Postgres/ClickHouse with schema introspection and execution safety nets; scales to additional MCP connections as the service grows
• Implemented an auto-updating pgvector RAG knowledge base with hybrid retrieval, re-embedding, access control, and per-answer confidence; added deep research and sandboxed code execution for charts and calculations
• Built a React + TypeScript admin UI with observability, logging, documentation, and runtime settings; shipped Slack bot and Jira integration
• Productionised end-to-end: streaming chat, OIDC/Keycloak SSO with RBAC, observability, Docker + GitLab CI deploy; designed and documented the full API through Swagger
• Led security & reliability hardening across ~50 tested fixes — SSRF, IDOR, OIDC account-takeover, concurrency bugs

• Python
• FastAPI
• ClickHouse
• pgvector
• React
• TypeScript
• RAG
• Docker

Sep 2025 — Apr 2026 · 8 months

Head of Data Department

Confidential B2B iGaming Tech Provider · Lisbon, Portugal

• Built an AI usage framework for analysts, cutting task execution time across the team
• Built and led a 10-person data team (2 engineers, 4 analysts, 2 full-stack devs, 1 PM, 1 web analyst)
• Designed an all-inclusive data strategy for the B2B SaaS firm; applied advanced analytics for customer engagement and KPI tracking
• Developed ClickHouse data warehouse for real-time insights; engineered user behaviour tracking via PostHog
• Deployed Apache Superset for real-time product metrics, platform analytics, and B2B CLV dashboards
• Built robust data pipelines and APIs for frontend-backend data delivery interfaces

• ClickHouse
• Superset
• PostHog
• Airflow
• Python
• dbt
• MySQL
• PostgreSQL

Jan 2025 — Sep 2025 · 9 months

Head of Data Department

Confidential iGaming Affiliate Company · Netherlands

• Developed an AI-driven framework for the data engineering team, roughly halving pipeline shipping time
• Built data department from scratch; hired and directed a team of 5 (2 engineers, 3 analysts)
• Architected scalable ELT pipeline (Python + dbt + Airflow → ClickHouse), integrating Affilka and Affise APIs
• Built buyer-side traffic payback model, enabling traffic valuation and distribution decisions
• Deployed Holistic for the company's first centralised dashboards; surfaced key structural financial issues for the executive team

• ClickHouse
• Python
• dbt
• Airflow
• Holistic
• MySQL
• PostgreSQL
• REST APIs

Aug 2024 — Jan 2025 · 6 months

Product Chief Analytics Officer

01tech · Belgrade, Serbia

• Introduced AI tooling into the data analytics workflow across the org
• Coordinated 3 full-cycle analytics teams across Data, Engineering, BI, Web, and Business Analytics
• Executed large-scale ETL refactoring; led strategic planning, resource plan, and department budget
• Integrated user retention costs (bonuses, promo codes, call center, support) into traffic payback formulas
• Drove a product-centric approach with the business; tightened quality control around business value and customer satisfaction
• Created competency matrices and individual development plans for team leads

Aug 2023 — Aug 2024 · 1 year 1 month

Team Lead of Data Analysis

01tech · Belgrade, Serbia

• Established and launched a Marketing Analytics team of 6 Data Analysts from scratch
• Implemented data analysis standards for the company's marketing activities
• Built key BI tools the leadership relies on for operations: end-to-end real-time traffic analytics, employee efficiency, traffic payback, and user cohort analysis
• Introduced AOV-based ROAS and ROI analysis method for the marketing department
• Mentored analysts: Junior → Middle+ and Middle → Senior levels

Apr 2023 — Aug 2023 · 5 months

Lead Data Analyst

Ocean Digital · Almaty, Kazakhstan

• Designed custom data extraction pipelines integrating third-party APIs with cleaning and transformation stages
• Built interactive Looker dashboards for key stakeholders, enabling quick access to critical metrics
• Maintained and expanded databases with 2,000+ manual records per month, ensuring data quality and consistency

• Looker
• SQL
• Python
• REST APIs

Oct 2022 — Mar 2023 · 6 months

Data Analyst

LLC “ПРО ДИЗАЙН” · St Petersburg, Russia

Gained access to Postgres-based 1C and CRM databases under NDA to perform data analysis for a leading 26-store finishing materials retailer in St Petersburg. Discovered the need for data analysis and self-initiated the role while employed as Sales Manager.

• PostgreSQL
• SQL
• CRM Analytics

Jan 2020 — Jan 2022 · 2 years 1 month

Marketing Specialist (Self-employed)

Entrepreneur · Russia

Developed and executed social media strategies for multiple clients. Began collecting and analysing campaign performance data, which led to the discovery of Data Analysis as a career path and a self-directed transition into the field.