Teemu Heiskanen

Integration Engineer · Tech Lead

Ten years across the seam where business requirements meet running systems: connector platforms and API architecture at Supermetrics, EV-charging hardware integrations on OCPP at Virta, and enterprise data-pipeline debugging on BigQuery and Snowflake. Currently looking for Solution Consultant and Integration Engineer roles where discovery, architecture and delivery belong to the same person.

teemu.heiskanen@gmail.comLinkedInGitHubProjects →

Experience & Skills

Background

2023 – Present

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

2022 – 2023

Connector Specialist

Supermetrics

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

2019 – 2022

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

2017 – 2019

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

2015 – 2017

Project Specialist

Saimaa UAS

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

2010 – 2014

Bachelor of Science, Industrial Management

LUT University, Lappeenranta

Solution Ownership

Solution DiscoveryTechnical roadmapsStakeholder coordinationVendor managementProject delivery

Integration & Architecture

API integrationSystem architectureREST APIsGoogle Cloud / BigQuerySnowflake

Leadership & Delivery

Team leadershipCross-functional deliveryMentoringUser adoptionKPI & reporting