Hello! I'm Alex Emelianov, a data-focused professional with over 20 years of experience across financial services, software, and manufacturing. I optimize legacy SQL code, tune databases, and design data warehouses to unlock actionable insights from millions of transactions processed daily. I enjoy turning complex data into clear, decision-ready stories for stakeholders. I’ve built end-to-end data architectures, automated QA and cleansing processes, and created dashboards and reporting workflows that support forecasting and fraud detection. I’m comfortable communicating technical concepts in plain English and collaborating with cross-functional teams to deliver high-quality, reliable data solutions.…

Alex Emelianov

PRO

Hello! I'm Alex Emelianov, a data-focused professional with over 20 years of experience across financial services, software, and manufacturing. I optimize legacy SQL code, tune databases, and design data warehouses to unlock actionable insights from millions of transactions processed daily. I enjoy turning complex data into clear, decision-ready stories for stakeholders. I’ve built end-to-end data architectures, automated QA and cleansing processes, and created dashboards and reporting workflows that support forecasting and fraud detection. I’m comfortable communicating technical concepts in plain English and collaborating with cross-functional teams to deliver high-quality, reliable data solutions.…

Available to hire

Hello! I’m Alex Emelianov, a data-focused professional with over 20 years of experience across financial services, software, and manufacturing. I optimize legacy SQL code, tune databases, and design data warehouses to unlock actionable insights from millions of transactions processed daily. I enjoy turning complex data into clear, decision-ready stories for stakeholders.

I’ve built end-to-end data architectures, automated QA and cleansing processes, and created dashboards and reporting workflows that support forecasting and fraud detection. I’m comfortable communicating technical concepts in plain English and collaborating with cross-functional teams to deliver high-quality, reliable data solutions.

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Language

English
Fluent
German
Intermediate

Work Experience

Lead Data Consultant at Bayer AG, Sunrise AG, Distributed Ltd, UK & Switzerland
September 1, 2020 - Present
Specialized in optimizing legacy SQL code for better performance and maintainability. Conducted performance tuning on large-scale AWS-hosted MS SQL Server databases. Analyzed execution plans, implemented indexing strategies and stored procedures review while leveraging MS Query Store to achieve over 12x improvement in query performance and significantly reducing CPU usage. Managed data quality assurance and sales forecasting, providing insights that enhanced strategic decision-making. Designed a comprehensive sales performance dashboard with daily, weekly, and monthly views, including high-traffic periods like Black Friday. Automated reporting workflows and supported fraud detection using automated cleansing, auditing, and validation mechanisms.
Senior Data Analyst & Architect at WorldPay, London
July 1, 2013 - September 1, 2020
Managed post-EL processes to ensure seamless and accurate data integration. Designed a DWH model to process interchange and scheme fees from multi-million daily transactions. Developed customizable invoicing processes for various customer tiers. Automated data cleansing, improved SQL performance, and optimized overall system efficiency.
Senior Data Analyst at AON, Dublin
July 1, 2011 - June 30, 2013
Consolidated data from international sources, ensuring quality through cleansing and validation. Designed and implemented automated analytics tools that boosted team productivity by over 10x.
Senior Developer & Data Analyst at Coretime, QMS Software, WBT Systems, Dublin
January 1, 2000 - January 1, 2011
Held senior roles across software development and data analytics functions. Developed robust reporting and analytical solutions using enterprise tools.
Lead Data Consultant at Bayer AG, Sunrise AG, Distributed Ltd
September 1, 2020 - Present
Specialized in optimizing legacy SQL code for better performance and maintainability; conducted performance tuning on large AWS-hosted MS SQL Server databases; analyzed execution plans, implemented effective indexing strategies and Stored Procedures code review; leveraged MS Query Store achieving over 12x improvement in performance and reducing CPU usage; managed data quality assurance and sales forecasting; designed a comprehensive sales performance dashboard with daily, weekly, and monthly views; automated reporting workflows and supported fraud detection using automated cleansing, auditing, and validation mechanisms.
Data Architect at Worldpay/FIS, London
July 1, 2013 - September 1, 2020
Designed a data warehouse model to process fees data from millions of daily transactions; managed post-EL steps to ensure smooth and accurate data integration; built flexible invoicing processes for different customer groups; automated data cleansing, added QA checks, and improved SQL performance.
Senior Data Analyst at AON CIA, Dublin
July 1, 2011 - June 30, 2013
Worked with stakeholders to collect data streams from many international sources; performed deep analysis and QA on data received from remote offices around the world; designed data models for the data warehouse team; automated the team’s toolset, increasing analysis capacity from 4 data streams per month to 28 streams in two weeks with full deep analytics.
Senior Software Developer at QMS-Software, WBT Systems, Dublin
October 1, 2000 - July 31, 2011
Gained requirements from end-users; delivered custom database design and development for enterprise-level customers; ensured testing and validation steps were completed correctly; created custom reports tailored to specific customer needs.

Education

Master of Computer Science at Altai State Technical University
January 1, 1993 - January 1, 1998
Master of Computer and Information Science at Altai State Technical University
January 1, 1993 - January 1, 1998

Qualifications

IPMA Agile Level D certified
January 11, 2030 - December 8, 2025
Brent Ozar Fundamentals & Mastering courses: MS SQL Server optimization
January 1, 2022 - December 8, 2025
IPMA Agile Level D
January 11, 2030 - January 5, 2026

Industry Experience

Professional Services, Software & Internet, Financial Services
    paper Worldpay Client Invoice Architect

    • Designed a data warehouse model to process fees data from millions of daily transactions
    • Managed post-EL steps to ensure smooth and accurate data integration
    • Built flexible invoicing processes for different customer groups
    • Automated data cleansing, added QA checks, and improved SQL performance