Teppo Kauppinen

Founder

Mode AI

Jan 2026 – Present · 6 mths

I founded Mode AI to build an agentic chief-of-staff that turns inbox, calendar, and account understanding into reliable autonomous, multi-step actions. I architected closed-loop agent workflows that independently implement, deploy, test, debug, and validate changes across microservices, cloud functions, prompts, Flutter, and IaC using logs and expected-outcome tests. I also designed privacy-first ingestion and a zero-trust, multi-region EU/US architecture with strong encryption and SOC 2-aligned audit logging.

Software Engineering Manager, Ads Online Experimentation, Monetization

Meta

Jun 2025 – May 2026 · 11 mths

London, UK

I led Meta’s hyperscale experimentation platform powering A/B testing, product launches, and AI evaluation across Facebook, Instagram, and WhatsApp. I drove capacity forecasting that identified an imminent compute/storage cliff and secured cross-org commitments for a 10x expansion. I sponsored execution-layer improvements with Spark and Presto and led a multi-project re-architecture that reduced peak CPU by 33%, cut storage by 30 PiB, and delivered $10M+ in infrastructure savings, alongside major cost-allocation improvements for supported use cases.

Hands-on Tech Lead and GenAI Architect

Google.org Fellowship

Mar 2024 – Oct 2024 · 7 mths

I acted as a hands-on tech lead and GenAI architect, delivering 0-to-1 agentic AI and LLM-based solutions for non-profits and tech startups. I defined technology strategy and led Google Cloud infrastructure architecture and delivery using Pulumi for IaC and building modern CI/CD pipelines. I co-architected an autonomous agentic system with an orchestrator across a multi-agent setup, implemented embedding/vector-search matching plus an LLM evaluation framework, and built production LLM pipelines for data matching and classifier-driven extraction.

Startup Advisor (20% role)

Google

Mar 2023 – May 2025 · 2 yrs 2 mths

Dublin, Ireland

I served as a hands-on technical advisor to 50+ startup founders through Google’s startup program, focused on early architecture, GenAI infrastructure, and production readiness for 0→1 platforms. I ran strategic audits across business models, funding viability, product development, and engineering/team structure, and maintained a reputation as the #1 requested strategic reviewer in the program. I created an audit methodology adopted broadly by other strategic audit leads and guided cloud architecture choices and product roadmaps.

Software Engineering Manager, SRE

Google

Aug 2022 – May 2025 · 2 yrs 9 mths

I led a globally critical SRE/platform team responsible for automation frameworks and services across Google’s datacenter fleet, supporting network lifecycle operations for large-scale production workloads. I actively participated in the 24/7/365 on-call rotation. I directed a 2.5-year architectural redesign to support Google Sovereign Cloud with isolated partner datacenters under strict EU privacy constraints, driving SRE transformations that reduced operational toil by 50% and alerts by 90%, and earned the Google Cloud Tech Impact Award in 2024.

Director of Engineering, Hands-on Architect

Tesseract Investment

Aug 2021 – Jun 2022 · 10 mths

Helsinki, Finland

I led engineering and hands-on architecture for a regulated digital-asset financing platform handling hundreds of millions of dollars in yearly transactions. I took ownership of 0→1 strategy and execution and architected the migration of backend services to Azure and Kubernetes. I built DevOps foundations from scratch using Pulumi-based Infrastructure as Code and fully automated ephemeral environments, partnering with the CISO to establish risk management and strict testing policies in a highly regulated FinTech environment, while scaling the team 3x and onboarding engineers into IaC and agile practices.

Vice President oEngineering, Founding Engineer

Acquire.app

May 2020 – Mar 2021 · 10 mths

San Francisco | Montreal, QC, CA

I served as a hands-on founding engineer, architecting and building the core AWS/Kubernetes cloud-native backend from scratch and guiding execution of the product roadmap with a cross-functional team. I designed a hybrid REST/GraphQL API layer and integrated Elasticsearch, Redis, and Couchbase for data retrieval and real-time analytics. I implemented Pulumi-based IaC and CI/CD to support ephemeral environments, built business-critical backend capabilities like a scalable checkout engine and discount handling, and delivered Shopify API integrations while translating B2B customer feedback into technical specs and onboarding support.

Chief Technology Officer & Hands-on Architect

US Mobile

Mar 2018 – Dec 2019 · 1 yr 9 mths

New York, NY

I led technology strategy, architecture, and organization-wide modernization to fuel hyper-growth. I negotiated with Verizon leadership to secure first-of-its-kind cloud-native MVNO support using a strategic Google Cloud partnership, then architected and executed a migration to Google Cloud Platform and Kubernetes. I modernized the stack with a REST API layer and RabbitMQ-based event-driven microservices, establishing DevOps with IaC, CI/CD, and ephemeral environments, which drove 3x development productivity and 90% bug reduction while cutting infrastructure costs by 60% and downtime by 95%.

Chief Technology Officer, GDPR DPO, Founding Engineer

Lumoa.me

Jan 2017 – Feb 2018 · 1 yr 1 mth

Helsinki, Finland

I was a hands-on CTO and 0-to-1 architect for an AI-driven customer feedback analytics SaaS platform. I architected, built, and launched the platform in 3.5 months using a scalable Azure and Kubernetes design built around event-driven microservices. I established DevOps foundations with CI/CD and IaC and served as GDPR Data Protection Officer, embedding privacy and security compliance into the technical architecture while supporting enterprise sales through validation of technical trust and integration delivery for regulated customers.

Lead Developer, Founding Engineer

Zervant.com

Mar 2012 – Jan 2017 · 4 yrs 10 mths

Espoo, Finland

I architected and managed the core SaaS backend, AWS cloud infrastructure, and security frameworks that enabled growth from 0 to 150,000 SMB customers. I delivered international expansion with a localized accounting architecture supporting all 28 EU countries and implemented the core double-entry accounting and VAT engine. I re-architected the platform for country-specific invoice templates and localized reporting/compliance rules and built a secure white-label platform for banking partners, including end-to-end invoice reconciliation integrations.

Identity & Access Management Consultant, Lead Developer

Ubisecure Solutions, Trusteq

Jul 2008 – Mar 2012 · 3 yrs 8 mths

Espoo, Finland

I led hands-on development of the Identity Management engine underpinning Finland’s National e-Identification Service. I served as Lead IAM Consultant for an 18-month engagement with a major Finnish bank, architecting and implementing the corporate Identity Management System and establishing Internal Single Sign-On to protect corporate banking assets. I also co-architected Strong Customer Authentication for a new online banking platform, engineering step-up 2FA protocols for sensitive workflows.