I’m Lassi Lehikoinen – an experienced freelance software developer from Oulu, Finland. I help companies in software projects. I have wide experience in software development starting from embedded software reaching mobile applications and modern web development.  My wide experince makes me quick to adopt to your code base.

Check my references – please note that customer projects are not listed there, I can send detailed list of references by email.

I can join to your existing development team in your premises (Finland) or work remotely (Finland & internationally). I’m more than happy to help you out.


iOS (Swift, Objective-C)
Native mobile app development for iOS.

Embedded systems (C, C++, Java, Qt, Yocto)
Software development for microcontrollers with power, time and memory constraints.

Desktop application development for Windows UWP.

React.js + Redux
Front-end development using modern JavaScript technologies.

Backend development using Node with Express framework.

Database design and utilization.

Docker, AWS
Containerized web application development and orchestration in Amazon ECS.

Version controls (Git, SVN)
Popular version control tools.

Work Experience

Software Developer, Entrepreneur (2015 – Present)
Helping companies in software development projects as freelancer / contractor.

– iOS: mobile banking app development as a team member, developed 3 smaller mobile apps
– embedded development (Java)
– embedded Linux development for an automotive infotainment solution
– banking app development (C#/.NET)
– developed own web application

Embedded Software Developer, Polar Electro Oy (2011 – 2015)
Embedded software development for Polar training computers. I had significant role in embedded software development for Polar Loop & Loop 2 activity trackers.

Research Scientist, VTT (2008 – 2011)
Worked as subcontractor for Nokia Siemens Networks for 2,5 years. Developed software for LTE base stations.

Research Trainee, VTT (2006 – 2008)
Research work and prototype software development using C++.

Programmer trainee, Insoft Oy (summer 2003)
Software development and customer support.

Programmer trainee, Insoft Oy (summer 2002)
Software development and customer support.


Master of Science (M.Sc), Electrical Engineering (2001 – 2008)
Oulun yliopisto / University of Oulu

Matriculation examination (1997 – 2000)
Laanilan lukio, Oulu


I’ve had a great pleasure to work with Lassi in our projects at Grain Village Studios. Lassi is a true professional and easy to communicate with. His proactivity and self-organization makes it really easy to give him a broad responsibilities in a project.

Teemu Vähä-Ruka, CEO, Grain Village Studios, 2016