Marketplace engineering, led.
I help marketplaces scale their engineering teams, merge their platforms and grow B2B revenue, as a fractional Head of Engineering or on a focused project.
How I can help
Consulting through TechTactics OyFractional Head of Engineering
Interim or part-time engineering leadership for marketplace teams that need direction now.
- Org design and team scaling
- Coaching engineering managers
- Feedback, ownership and delivery practices
Done before: Head of Engineering for SMG Real Estate B2B; grew Homegate's team from 2 to 6.
Marketplace mergers and integration
Bringing two platforms, and the teams behind them, together without losing momentum.
- Platform and codebase integration plans
- Aligning orgs, processes and ownership
- Retiring duplicate legacy systems
Done before: Part of the homegate.ch and immoscout24.ch merger at SMG, and the acquisitions of flatfox and immoverkauf24.ch.
B2B monetisation and product
Engineering that grows revenue from the professional side of a marketplace.
- Product ladders and packaging
- Third-party services and partners
- Billing and transaction systems
Done before: Led engineering for a B2B line worth around 40% of SMG revenue.
Build and modernise platforms
Hands-on architecture and delivery when the platform itself is the bottleneck.
- Identity and authentication
- Centralising customer data
- Data aggregation and AI extraction on AWS
Done before: Built Homegate's AWS Cognito auth; built and run JobCrawls end to end.
Building SMG Real Estate
I was part of the merger that formed SMG Real Estate, and of its acquisitions of flatfox and immoverkauf24.ch.
- 1Two marketplaces
- 2One company
SMG Real Estatehomegate.ch and immoscout24.ch, one organisation - 3Growing itAcquired by SMG and brought into SMG Real Estate
flatfox
immoverkauf24.ch
Track record
Project archive- Founder · Marketplace engineering consulting2026 – Present
- Full-time since 2026; before that it ran alongside SMG as the company behind JobCrawls.
- Fractional engineering leadership, platform integration and B2B product work for marketplaces.
- Builds and runs JobCrawls, an aggregator of Finland's job market.
- Head of Engineering · Real Estate (B2B)May 2022 – 2026
- Lead engineering for Real Estate B2B, contributing ~40% of SMG revenue.
- Part of the homegate.ch and immoscout24.ch merger; org/process integration.
- Part of SMG's acquisitions of flatfox and immoverkauf24.ch.
- Coach Engineering Managers; establish feedback, ownership and delivery practices.
- Partner cross-functionally (Sales, Product, Monetization, Marketing) for value delivery.
- Engineering ManagerJul 2020 – May 2022
- Scaled team from 2 → 6; transitioned onsite → remote working.
- Built modern AuthN/AuthZ with AWS Cognito; higher conversion, de-risked legacy.
- Expanded product ladder and targeted 3rd‑party services; increased revenue.
- Centralized customer data; retired legacy; improved security and accessibility.
- Full‑Stack Software EngineerNov 2019 – Jul 2020
- Built analytics & reporting dashboards to improve customer trust.
- Rebuilt transaction service for more efficient billing delivery.
- Technical Lead (Part‑time)May 2019 – Sep 2019
- Rebuilt claims flow for richer data; reduced time‑to‑repair & manual processing.
- Added claim risk monitoring to lower fraud and improve margins.
- Drove code standards and internal libraries to reduce dev time.
- Full‑Stack Developer (Laravel, Vue)Sep 2018 – Sep 2019
- Built auxiliary SaaS to integrate systems and accelerate feature development.
- Implemented dynamic device‑based pricing for accurate costs.
- Designed reseller portal; internationalized features for DE/BE expansion.
- Back‑End Developer (PHP, DHTML, MariaDB)Apr 2018 – Sep 2018
- Expanded finance systems for richer reporting and data presentation.
- Teaching Assistant2017 – 2018
- Assisted in teaching and grading; supported student projects and labs.
Products I build and run
Finland-focused job aggregator using AI to extract data features for robust searching and filtering.

Speed-focused language learning toolset and tracker, built for fast progress without time-wasting gamification.

My first attempt at solving a personal problem: a trip planner for travel. No longer maintained.

Android research app for cognitive testing and mind-wandering data, built at the University of Groningen.
since 2015
Writing
All writingGot a marketplace
problem?
Tell me where you're stuck: the team, the platform or the revenue.






