Viljami Kuosmanen

CTO

12 yrs 7 mos experience

Most Likely To SwitchAI Enabled

Key Highlights

Led engineering teams to achieve 50% YoY growth.
Authored influential open-source libraries adopted by major companies.
Pioneered AI tooling for technical debt management.

Stackforce AI infers this person is a SaaS and E-commerce expert with strong open-source contributions.

Contact

viljami@viljami.io LinkedIn

Skills

Core Skills

Artificial Intelligence (ai)Amazon Web Services (aws)

Other Skills

Software DevelopmentDesign ThinkingProduct DevelopmentEngineering ManagementJavaScriptPython (Programming Language)CybersecurityAgile MethodologiesDevOpsTypeScriptReact.jsAWS LambdaNoSQLTransact-SQL (T-SQL)Elasticsearch

About

Engineering leader with 15+ years experience. Scaled SaaS teams from early stage to 45+ engineers while sustaining >50% YoY MRR growth. Hands-on product engineer with expertise in SaaS, cloud, and AI, trusted by Fortune 500 companies as an open-source author with libraries adopted by AWS, GitHub, SAP, IBM, and Intel. Author of the Product Engineer Manifesto, influencing engineers globally to redefine their role beyond code to end-to-end product ownership. Product portfolio: * epilot.cloud (2021) * openapistack.co (2018) * kamerastore.com (2015) * seravo.com (2013)

Experience

12 yrs 7 mos

Total Experience

4 yrs 6 mos

Average Tenure

5 yrs 7 mos

Current Experience

Epilot gmbh

2 roles

Head of Engineering

Promoted

May 2021 – Present · 5 yrs · Cologne, North Rhine-Westphalia, Germany

As Chief Product Engineer, architected and built the core epilot.cloud XRM product foundation hands on
As Head of Engineering, established high perfomance product engineering culture and grew the in-house team from 10 to 45+ engineers
Drove early AI adoption and built in-house AI tooling such as a custom codex CI agent to manage technical debt
Achieved high velocity continuous delivery averaging 150+ prod deploys / week
Rewrote core SaaS product on scalable serverless architecture on AWS
Achieved sustainable MRR growth exceeding 50% YoY, with peak performance surpassing 100%

Artificial Intelligence (AI)Amazon Web Services (AWS)

Senior Cloud Engineer

Oct 2020 – May 2021 · 7 mos · Cologne, North Rhine-Westphalia, Germany

Futurice

2 roles

Senior Cloud Engineer

Jan 2019 – Jan 2020 · 1 yr

Senior Cloud Engineer, consultant (see projects in profile)
Lead agile teams for some of europe’s largest enterprises in retail, automotive, manufacturing, and energy industries
Supported technical sales helping close deals with major clients and secure extensions with existing clients worth millions of EUR

Senior Software Engineer

Jan 2016 – Jan 2019 · 3 yrs

Openapistack.co

Open Source Maintainer

Jan 2018 – Present · 8 yrs 4 mos

Developer & maintainer of various Typescript open source libraries trusted by companies like AWS, GitHub, SAP, IBM, Red Hat, Visma & Check24
openapi-client-axios (70K weekly downloads)
openapi-backend (50K weekly downloads)
openapicmd (10K weekly downloads)
dereference-json-schema (120K weekly downloads)
mock-json-schema (50K weekly downloads)

Toriverkosto

Founding Engineer

Dec 2015 – Dec 2019 · 4 yrs

Co-Founder, Product Engineer
As Technical Product Manager, lead the development of the initial multi-seller ecommerce platform
Launched multiple online marketplaces focused on circular economy with combined 4MEUR+ revenue
Kamerastore.com, Cameraventures.com, Kameratori.fi, Kellotori.fi, Reairsoft.com, Relistable.com

Seravo

Lead Product Engineer

Jan 2013 – Jan 2017 · 4 yrs · Tampere, Finland

Launched the Seravo.com PaaS as Lead Developer
Grew the product into leading WordPress hosting provider in the Nordics
First to market offering Heroku-like DX for customers using Docker
Held top spot as fastest hosting provider in the world (ismyhostfastyet.com)
Shipped various website & e-commerce implementation projects to onboard customers
Board Member & Minority Co-owner (sold equity in 2017)

Self employed

Freelance Software Engineer

Jan 2009 – Jan 2013 · 4 yrs · Helsinki, Finland

Web developer (contracted to deliver web & e-commerce projects for clients)
Flash developer (self-published and sold various casual & educational Flash games)