Teemu
Heiskanen

Tech Lead

Supermetrics

Senior API Integration Engineer

• Supports discovery phase — translating ambiguous business requirements into integration architecture and technical roadmaps before development begins
• Designed and shipped two production platforms: a connector feasibility pipeline (cut a 1–2 day manual process to hours) and a four-agent bug investigation pipeline
• Owns architectural decisions across two teams — aligning internal stakeholders, managing technical standards, and ensuring cross-functional delivery stays unblocked
• Upskilling engineers through mentoring and code reviews; running beta validation sessions against real user workflows before full rollout

Connector Specialist

Supermetrics

• Implementing connectors and features to specification; bug fixes, security improvements, and PR reviews

Lead Technical Support Specialist

Supermetrics

• Debugging BigQuery and Snowflake integrations at enterprise scale; bridging customer success and R&D to resolve critical data pipeline issues
• Single point of contact for the most complex integration failures — diagnosing root cause across the full stack and coordinating fix delivery

Hardware Integrations & Tech Support

Virta

• Technical point of contact for energy companies, retailers, and parking operators on EV charging infrastructure — from requirements through go-live
• Testing and integrating EV charging hardware using OCPP; protocol-level debugging between hardware and cloud platform in a production environment

Project Specialist

Saimaa UAS

• Led commercialisation of electric motor innovations and conducted technical market research