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Joonas Vanninen

An experienced software and data developer who loves to learn.

[email protected]
(+358) 40 450 3716
Espoo, Finland

Skills


Programming

  • C#: 9 years of experience developing backend services, desktop and web applications
  • Javascript: 4 years of experience in frontend development.
  • Personal projects and coursework with Python, Elixir, F#, Clojure, Java, C, C++, Matlab


Business intelligence

  • SQL Server: 9 years of experience in building and querying SQL databases
  • Data warehousing and ETL with SSIS and SSAS
  • Reporting with SSRS and Crystal reports
  • Data integrations

Experience

Taaleri: Software developer, August 2014 - Present

Software development for internal tools, APIs and system integrations. Reporting development and database adminstration. Documentation of existing code.

Lead programmer in:

  • Poro: a web application for managing private equity fund investments.
  • Taaleri Facts: a data warehouse utilizing data from portfolio and fund management systems, a trading system, CRM and internal Access databases and csv files. Implementation with Microsoft SSIS & SSAS.

Taaleri

Commit; Oy: Software developer, May 2007 - July 2014

Software development with C# and Javascript for customers in the healthcare sector. Report programming and data warehouse ETL development. Maintenance and support for legacy code.

Lead programmer in:

  • Commit; DICOM Services: interfaces for medical imaging devices for communicating with the imaging workflow systems.

  • Commit; PhotoModality: a Windows application for using digital cameras in screening workflows for retinal imaging.
  • Commit; Biosignals: an Azure web application for viewing ECGs and other biosignals stored in PACS systems.

Commit; Oy

CERN / Helsinki institute of physics: Summer student, Jun-Sep 2006

Summer student in CERN, Geneva. Study subject: Monte Carlo simulation of proton and heavy ion radiation therapies using the Geant4 toolkit.

CERN

Kuopio university hospital: Assistant physicist, summers 2004 & 2005

  • Computer vision algorithm development with Matlab & C to automatically detect the carotid artery diameter from ultrasound videos. 
  • Writing software with C to simultaneously capture ultrasound videos, ECG and artery diameter signals with video and ADC cards. Analyzing the elastic properties of blood vessels from captured data.

KYS

Education

Master of Science (eng.), Aalto University School of Science and Technology (2002-2010)

  • Degree Programme of Engineering Physics

  • Major: Computer and information science

  • Minor: Biomedical engineering

  • Thesis title: Digital Communications Between Medical Imaging Modalities and Information Systems

Interests

Music

  • Playing the trombone since 1991

  • Arranging and composition

  • Collecting instruments that I almost can play

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