3dteemu
Teemu Tammi
Helsinki, Finland

Helping businesses avoid costly mistakes with their technical and software problems and fast-track their new business ideas. I have over 12 years of experience in software and product development. I have been a CTO in two different startups and developed many products from scratch. I have also successfully contributed to a few legacy products as a freelancer.

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1,792.1
CodersRank Rank
Top 1%
Top 1
Dart
Dart
Developer
Finland
Top 5
JSON
JSON
Developer
Finland
Top 50
JavaScript
JavaScript
Developer
Finland
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Highest experience points: 0 points,

0 activities in the last year

TypeScript
TypeScript
624.3
exp.
Top 0.3% out of 117K Worldwide Top 4% out of 28 Finland
Dart
Dart
82
exp.
Top 10% out of 13K Worldwide Top 17% out of 6 Finland
Python
Python
65.1
exp.
Top 10% out of 165K Worldwide Top 14% out of 38 Finland
Java
Java
199
exp.
Top 2% out of 130K Worldwide Top 10% out of 31 Finland
C++
C++
44.4
exp.
Top 10% out of 87K Worldwide Top 22% out of 19 Finland
PLpgSQL
PLpgSQL
78.9
exp.
Top 0.7% out of 6K Worldwide Top 50% out of 2 Finland
SQL
SQL
53.4
exp.
Top 0.4% out of 52K Worldwide Top 6% out of 18 Finland
HCL
HCL
38
exp.
Top 7% out of 8K Worldwide Top 20% out of 5 Finland
Shell
Shell
41.7
exp.
Top 2% out of 139K Worldwide Top 8% out of 41 Finland
JavaScript
JavaScript
94
exp.
Top 9% out of 279K Worldwide Top 24% out of 56 Finland
JSON
JSON
389
exp.
Top 0.5% out of 282K Worldwide Top 8% out of 55 Finland
TSQL
TSQL
34.9
exp.
Top 1% out of 54K Worldwide Top 8% out of 14 Finland
CSS
CSS
19
exp.
Top 26% out of 265K Worldwide Top 23% out of 54 Finland
ReactJS
ReactJS
Top 1%
NextJS
NextJS
Top 0.5%
RxJava
RxJava
Top 0.7%
NodeJS
NodeJS
Top 2%
Mockito
Mockito
Top 2%
Pandas
Pandas
Top 11%
Flutter
Flutter
Top 13%
Gson
Gson
Top 2%
OpenCV
OpenCV
Top 15%
Webpack
Webpack
Top 3%
Jest
Jest
Top 6%
Boost
Boost
Top 12%
Sinon
Sinon
Top 8%
Pytest
Pytest
Top 33%
Redux
Redux
Top 55%
VTK
VTK
Top 95%
mongoose
mongoose
Top 76%
JUnit
JUnit
Top 61%
NumPy
NumPy
Top 86%
Plotly
Plotly
Top 68%
Supertest
Supertest
Top 63%
Chai
Chai
Top 73%
node-postgres
node-postgres
Top 93%
ExpressJS
ExpressJS
Top 95%
Matplotlib
Matplotlib
Top 93%
Qt
Qt
Top 88%
Enzyme
Enzyme
Top 98%
Socket.io
Socket.io
Top 0.01%
List your work history, including any contracts or internships
Oddspace
Jan 2023 - Feb 2025 (2 years 1 month)
Helsinki, Uusimaa
Founder
Accelerating the technical side of your business ideas.
next.js typescript supabase aws aws lambda amazon s3 serverless React Native flutter sql
Ainone
4 years 7 months
Remote
CTO
Apr 2019 - Dec 2022 (3 years 8 months)
I actively develop and lead the company software projects. The products are CE marked and developed in accordance with IEC 62304, ISO 13485, and ISO 14971 standards.
android native java typescript python aws aws lambda terraform sql
Head Of Product Development
Apr 2018 - Mar 2019 (11 months)
android native java typescript terraform python sql
ZeroG
Mar 2016 - Mar 2018 (2 years)
Helsinki Area, Finland
CTO
- Enabled the company to be the first to sell custom insoles online globally.
- Developed the insole production technology pipeline from the in-store
to the cloud and online store from scratch.
- Created a 3D foot scanning system for custom shoe production use.
javascript c++ computer vision aws python dynamodb ReactJS

This section lets you add any degrees or diplomas you have earned.
Aalto University
Doctoral courses only (no Phd thesis), Intelligent Products
Jan 2012 - Dec 2013
40 ECTS
Aalto University
Master of Science (Tech.), Intelligent Products
Jan 2004 - Dec 2012
130 ECTS
ETH Zürich
Mechatronics, Robotics, and Automation Engineering
Jan 2009 - Dec 2010
A student exchange of two semesters in the ETH. Studied mostly machine learning, computer vision, autonomous robotics and some German.
Aalto University
Bachelor of Science (B.Sc.), Intelligent Products
Jan 2004 - Dec 2011
181.5 ECTS

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