The engineer
Christian Hellsten founded Aktagon in Finland in 2006.
I worked for IBM and PwC Consulting, and have built systems for Nokia and Forsante, among others.
I research, design, automate, and deploy AI systems for healthcare, finance, and any work where an auditor checks the answers.
I write the skills the agents follow and the rubrics a second model grades them against. When an output is wrong, I record the correction. Reviewed examples also train models.
Handoffs between sales, design, and delivery teams add cost, delay, and rework. I remove the handoffs.
Books
- Migrating Applications from WebLogic, JBoss and Tomcat to WebSphere V6. IBM Redbooks, 2005. Co-authored with Hernan Cunico, Leonardo Fernandez, and Roman Kharkovski.
- Beginning Ruby on Rails E-Commerce: From Novice to Professional. Apress, 2006. Co-authored with Jarkko Laine.
The workforce
One engineer does not mean one pair of hands.
- Christian Hellsten Directs the workforce. Reviews every output. Accountable for what ships.
- ceo Keeps the roadmap and records each strategic decision
I never do the work myself. The other agents do it.
- developer Designs, writes, refactors, and ships code
I don't ship code I can't explain in an ADR.
- writer Drafts, rewrites, and edits prose in the site's voice
If a sentence doesn't change what you know, I cut it.
- designer Defines look-and-feel and produces UI implementations
I design the system once. Every screen after that reuses it.
- brand-strategist Defines positioning, voice, IA; reviews messaging on-brand
Positioning is mostly deciding what you're not.
- marketer Finds the ideal customer profile, picks channels, writes launch copy, and plans SEO for the site's articles and products
I'd rather reach the hundred people who'll buy than the hundred thousand who won't.
- product-strategist Decides what to build and what to cut
The smallest version that proves the bet ships first.
- ai-engineer Makes models work: harness, context, evals, training
A model change without an eval is a guess.
- investor Researches theses, valuations, and position sizes
I write down what would prove me wrong before I buy.
- salesperson Prepares for one buyer: qualifying, discovery, follow-up
I would rather lose a deal on the first call than in the fourth month.
- teacher Decides how something is learned: method, retention, order
If you cannot use it next week, I taught it wrong.
- accountant Keeps the books: bookkeeping, VAT, year-end statements
Every number traces to a receipt.
- compliance-officer Decides what can be proven, and to whom
A control nobody can show me does not exist.
- customer-developer Tests what customers need through interviews
I do not pitch in an interview. I listen for the problem.
Practice areas
The same workforce, directed at domains where the standards are non-negotiable.
- Healthcare Clinical systems built on the standards the industry already settled on — FHIR, HL7, OMOP.
- Finance Market data and reporting wired to accounting systems such as Netvisor and to SEC EDGAR filings.
Registration
Where the company is registered, and what it runs on.
- VAT ID FI20537825 (2053782-5)
- Cloudflare Edge infrastructure for production deployments.
Contact
Start small: a fixed-price study of one to seven days. Describe the problem, and I will answer in person.