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© 2026 Grey Swan Oy (2797163-2)

MY WORKS

I have extensive experience of over 20 years, working as entrepreneur, founder, CEO, board member and technical project manager/owner. Here's a list of some projects I have been involved with.

Projects & work

Product owner
06/2010 – 12/2017
Vertaislaina Oy – Lainaaja.fi
Built a peer-to-peer lending platform from scratch, managing remote and on-site teams. Led product and handled project manager responsibilities across multiple workstreams over seven years.
PHP, Symfony, MySQL, Linux, Agile, Jira
Design & data analysis
01/2011 – 07/2018
Credit Scoring Models – Big Data Scoring / Vertaislaina
Designed and implemented credit scoring with decision trees; assisted in specifying and training ML models. Ongoing data gathering and source curation over seven years.
Excel, SAS, TensorFlow, SQL
Process modelling & project management
09/2019
Sales/Purchase Ledger Automation – Tilitoimisto Aarnio
Automated transfer of sales and purchase ledgers to accounting software by building a virtual API with RPA for transferring and verifying data.
Sikulix, RPA, Win10 server, Asteri, Avisor
Designer & developer
2019 –
OCR Return-Post Handler
Proof-of-concept for scanning invoices and reading customer IDs with optical character recognition. Ongoing ML training to improve accuracy.
Python, OpenCV, Tesseract, CUTIE, Linux
Software & business developer
08 – 12/2018
Crypto-Backed Lending MVP – Tesseract Investment Oy
Built a quick MVP for a cryptocurrency-backed lending site and did business development to gauge user interest.
PHP, NoCode, Marketing
Design & specifications
04/2017 – 03/2018
Cryptocurrency Arbitrage Trading – Dynamoid
Designed the logic and routing algorithms for automatic trading exploiting Bitcoin price differences across exchanges.
Linux, PHP, REST
Business & tech specifications, testing
10/2017 – 02/2018
Loan Portfolio BI Reporting – Front Finance Oy
With Group CFO developed real-time receivable portfolio reports for accounting and regulatory compliance — daily loan valuation, cashflows, and expected payoffs.
LAMP, SQL, Excel
Project manager: specification & DB design
03 – 06/2018
Credit Info Exchange – Asiakastieto / Vertaislaina
Consumer positive credit record system: push own customer records to the registry and query non-customer data.
SQL, REST, Jira, Agile
Project management & specification
03 – 06/2012
Bank Payment Gateway – Tieto / Vertaislaina
Supervised and defined the integration of payment gateways to Tieto’s multibank infrastructure.
API, SOAP, MySQL
Specification, design & testing
07 – 12/2011
Loan Interest Calculation – Vertaislaina
Designed the annuity calculation model and implemented testing protocols to verify calculation accuracy.
Excel, SQL
Project manager & designer
2010 – 2019
Other Projects
Credit Scoring Data Integration · Payment Processor Integration · Marketplace Bidding Mechanism · Aftermarket Exchange · User Account UX & Accounting · Investment Return Modelling · Content Design & Management
Various