Lars J. Nilsson
Lars J. Nilsson

  • Position Fullorg
  • Experience 20+ years
  • Location Stockholm
  • Expertize Java 17
What I Do

I'm a full organization programmer and have been everything from Executive Vice President and CTO to Programmer and Tester.


My main language is Java 17, but I've worked with Java since 1.2 and written code in C#, Typescript, JavScript, Bashs, Golang, etc.


Mainly I've worked with, and architected systems in, Google GCP, but I'm also comfortable in Amazon AWS and Microsoft Azure.


I have worked with Angular and React, prototyped applications in Flutter, and generally poked around.

2022 - Present
PrimePenguin AB

Managing remote development teams and exploring the product space: engineering manager, product, strategy.

2021 - 2022
Tech Lead

Led the development of a startup proof of concept: fullstack, react, java 17, engineering manager.

Software Development Engineer

Backend developer on the Discovery+ CMS system prior to and during thes summer Olypics in Tokyo: Java 17, Docker, Kubernetes, Distributed Tracing

2020 - 2021
Principal Engineer
Bokio AB

After supporting the merger between Red Flag AB and Bokio AB I was engineering manager and semi- bank product manager: product, engineering manager, Java 11, Kubernetes, CI/CD.

Technical Due Dilligence
Nordstjernan AB

I performed a TDD prior to investment: documentation, Java 11, AWS, micro service, risk evaluation.

2015 - 2020
CTO / Architect / Programmer
Red Flag AB

"First employee" and shareholder in Red Flag AB that later merged with Bokio AB: startup, engineering manager, Java 11, architecture, strategy, CI/CD, product, Kubernetes.

2006 - 2015
Architect / Programmer
Cubeia AB

I was one of the founders of Cubeia AB, acted as Executive Vice President, and consulted for (among others): Mr Green AB, Riplife Gaming Technologies, Unibet: Java 5-8, architecture, C#, CI/CD, load testing, scalability, startup.

2013 - 2015
Programmer / Team Lead
Mr Green AB

I was architect, programmer and team lead, and later "technical product advisor" - a title adopted based on my team work. I was initially contracted to introduce CI/CD: architecture, C#, CI/CD, product, team lead.

Solution Architect
RipLife Gaming Technologies

Riplife flew my down to Malaga in nine months to acts as a sollutions architect for their poker platform: Java 5, architecture, team lead, legacy.

Architect / Programmer
Unibet AB

I was an expert consultant in a proof of concept for Unibets new betting wallet: Java, MySQL, scalability, architecture. 

Development Lead
NetEnt AB

A short while I was employed as a development lead at NetEnt but ended up as a tester and left quickly: QA, testing, Java 4.

Senior Developer
Tain AB

I was a senior Java developer on the poker platform. Specializing in optimization and scalability: Java, JMX, concurrency, clustering, profiling, Java 4.

2003 - 2005
XeC Software

Freelancer, mainly towards RecipeXperience Ltd and related clients: Java, JSP, Java Applet, Servlet, Maven, Java 1.4.

2001 - 2003
Java Developer
RecipeXperience Ltd

Startup developer: JSP, Java, Tomcat, Ant, XML, code generation.

Java Developer
Arthur Andersen

Contracted to work on an internal risk analysis application for investors: Java 2, JSP, Ant.

1998 - 1999
Post Diploma Vocal Training

Guildhall School of Music and Drama, London UK.

1994 - 1998
Master or Music Education

Luleå University of Technology, Piteå, Sweden.


I've been singing in choirs my entire life and my current home is in St Jacobs Chamber Choir. I hold a post diploma from Guildhall and a master from Piteå, but these days I'm a happy amateur.

  • Voice Baritone
  • Choir Part First bass
  • Location Stockholm
2004 - Present
St Jacobs Chamber Choir
Stockholm, Sweden

Conductor: Gary Graden

Eric Ericson Chamber Choir
Stockholm, Sweden

Conductors: Arne Almroth, Marc Soustrot, among others.

2015 - 2017
Drottningholms Slottsteater
Stockholm, Sweden

Choir in Don Giovanni and Cosi fan Tutte under Maarc Minkowsky.

2006 - 2007
Gustaf Sjökvist Chamber Choir
Stockholm, Sweden

Conductor: Gustaf Sjökvist

2002 - 2004
Pro Musica Chamber Choir
Jan Yngwe

Conductor: Jan Yngwe

Birmingham Bach Choir
Birmingham, UK

Conductor: Paul Spicer

1999 - 2001
Gothenburg Opera Choir
Gothenburg, Sweden

Choir in The Magic Flute, Cavalleria Rusticana / Pagliaccio, The Tales of Hoffman, Carmen, La Traviata, Barber of Seville, Lohengrin, Queen of Spades among others. Choir Master: Martin Andersson

Erik Westbergs Vocalensemble
Piteå, Sweden

Conductor: Erik Westberg

1998 - 1999
Post Diploma Vocal Training

Studied for Robert Dean at Guildhall School of Music and Drama, London.

1994 - 1998
Master of Music Education

Studied for Anna-Karin Öquist at Luleå University of Technology School of Music in Piteå, and privbately for Arne Lundmark, Stockholm.