John Abrahamsen
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John Abrahamsen Email & Phone Number

Senior R and D Engineer Software at Visitech AS
Location: Drammen, Viken, Norway 11 work roles 2 schools
1 work email found @visitech.no LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email j****@visitech.no
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Current company
Visitech AS
Role
Senior R and D Engineer Software
Location
Drammen, Viken, Norway
Company size
52 employees

Who is John Abrahamsen? Overview

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Quick answer

John Abrahamsen is listed as Senior R and D Engineer Software at Visitech AS, a with 52 employees, based in Drammen, Viken, Norway. AeroLeads shows a work email signal at visitech.no and a matched LinkedIn profile for John Abrahamsen.

John Abrahamsen previously worked as Senior R&D Engineer Software at Visitech As and Senior Software Developer at Avast Software. John Abrahamsen holds Bachelor, Applied Computer Science from Oslo University College.

Company email context

Email format at Visitech AS

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{first}.{last}@visitech.no
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Profile bio

About John Abrahamsen

Experienced software and firmware engineer with a strong background in developing high-performance, scalable solutions for industrial applications. Expertise spans embedded systems, hardware integration, and network protocols, with proven success in delivering precision exposure systems for PCB manufacturing, semiconductors, and 3D printing. Skilled in designing low-latency, fault-tolerant systems, and optimizing performance for resource-constrained environments.Key achievements include:- Architected a multi-architecture/OS projector management system with an asynchronous JSON/TCP interface.- Designed and implemented high-performance protocols for real-time 10Gbps lossless image data streaming to multiple projectors.- Developed customer-focused, responsive GUIs and embedded firmware for industrial DLP (DMD) projectors.- Created a fault-tolerant control system for FPGA boards used in precision exposure systems.Previously contributed to the cybersecurity domain with Norman, AVG, and Avast, focusing on malware protection, network filtering appliances, and cloud-based security solutions. Passionate about open-source development, I maintain the Apache-licensed Turbo.lua framework, a high-performance event-driven network and HTTP framework used globally in embedded and cloud-based systems.Core competencies: Linux/Unix systems, performance optimization, debugging native code (assembly), event-driven programming, network protocol parsing, realtime systems, and asynchronous/threaded system design.

Listed skills include Python, Php, Shell Scripting, C, and 24 others.

Current workplace

John Abrahamsen's current company

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Visitech AS
Visitech As
Senior R and D Engineer Software
Drammen, Viken, NO
Website
visitech.no
Employees
52
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11 roles · 22 years

John Abrahamsen work experience

A career timeline built from the work history available for this profile.

Senior R And D Engineer Software

Visitech As

Drammen, Viken, No

Senior R&D Engineer Software

Visitech As

Kobbervikdalen, Drammen, Norge

R&D of Software/Firmware controlling industrial DLP (DMD) light engines.Some undertakings:* Realtime 10Gbps streaming of lossless image data to multiple projector units from one single server* Realtime control of FPGA boards, with fault tolerance* Architech of multi-arch/OS projector management system driven by customer via a async JSON/TCP interface* Design of high performance protocols* Customer loved GUI* Embedded firmwareWorking with both PCB, Semicon, additive manufacturing (3D printing) markets to deliver precision exposure, within UV and IR radiation on a nanometer scale.Languages used: C, C++, Javascript, Python

Senior Software Developer

Avast Software

Lysaker, Norway

Sep 2016 - May 2017

Software Developer

Norman Safeground As

Lysaker, Norway

Developing the Norman Security Portal from scratch.Norman Security Portal with Antivirus is an easy to use, cloud based solution for clients and servers. Built from the ground up and using state of the art technology, it doesn't sacrifice security for convenience.

Oct 2013 - Apr 2015

Software Developer - Network Security

Norman Shark

Lysaker, Norway

Developing embedded Norman Network Protection and Norman SCADA Protection appliances.

Jul 2012 - Oct 2013

Lead Programmer Gui

Norman Asa

Lysaker, Norway

Technical lead for all Norman GUI development.

Oct 2011 - Jul 2012

Gui Developer

Norman Asa

Lysaker, Norway

Developing web-based applications used to administer Norman's security solutions. Javascript and server-side programming with Lua and C.At Norman I've worked on a number of different projects. Including Norman Endpoint Manager, Norman Security Suite and finally Norman Malware Analyzer G2.

Aug 2010 - Oct 2011

Mechanic

Statoil Fuel & Retail Asa

Nadderud, Norway

Part time job while attending University.Customer service.Repair of customers' cars.Mechanical skill was self-taught.

Feb 2007 - Jun 2010

Gardist

His Majesty The King'S Guard: 3Rd Company: Drill & Parade

Huseby, Norway

The 3rd guard company is responsible for representing our military force both in Norway and internationally by providing stunning performances of strict military routines. The company is a frequent guest at the Edinburgh Military Tattoo. A new company must be trained each year, as Norway's military service lasts only 1 year.It is a hard and tough challenge to get through this year, but definately worth it given all the things you get to experience!Major undertakings during my year was:Basel TattooNorwegian Military TattooSwedish Military Tattoo

2005 - 2006 ~1 yr
Team & coworkers

Colleagues at Visitech AS

Other employees you can reach at visitech.no. View company contacts for 52 employees →

AF Andreas Fjeldstad Andreas Fjeldstad Colleague at Visitech AsDrammen, Viken, Norway View → MG Marius Grimelind Marius Grimelind Colleague at Visitech AsØvre Eiker, Viken, Norway View → LD Lu Dan Lu Dan Colleague at Visitech AsShanghai, China View → ØT Øyvind Tafjord Øyvind Tafjord Colleague at Visitech AsDrammen, Viken, Norway View → YZ Ying Zhao Ying Zhao Colleague at Visitech AsOslo, Norway View → LV Linn Vad Githmark Linn Vad Githmark Colleague at Visitech AsDrammen, Viken, Norway View → MK Michal Kuczwalski Michal Kuczwalski Colleague at Visitech AsDrammen, Viken, Norway View → YZ Yanjun Zhao Yanjun Zhao Colleague at Visitech AsChina View → LA Levent Akbas-Wollmann Levent Akbas-Wollmann Colleague at Visitech AsRuhr Region, Germany View → HM Hanif Master Hanif Master Colleague at Visitech AsMississauga, Ontario, Canada View →
2 education records

John Abrahamsen education

Bachelor, Applied Computer Science

Oslo University College

Technologies/subjects: Business Management and economics, General engineering subjects, Programming, Operating System Design, Computer.

Certified Welder, Steel Welding

Gunnar Hauge Welding School

Welding of steel and SS with MAG and TIG. Knowledge of machine-dependent, person-dependent parameters, impact of carbon and other mix-ins.

FAQ

Frequently asked questions about John Abrahamsen

Quick answers generated from the profile data available on this page.

What company does John Abrahamsen work for?

John Abrahamsen works for Visitech AS.

What is John Abrahamsen's role at Visitech AS?

John Abrahamsen is listed as Senior R and D Engineer Software at Visitech AS.

What is John Abrahamsen's email address?

AeroLeads has found 1 work email signal at @visitech.no for John Abrahamsen at Visitech AS.

Where is John Abrahamsen based?

John Abrahamsen is based in Drammen, Viken, Norway while working with Visitech AS.

What companies has John Abrahamsen worked for?

John Abrahamsen has worked for Visitech As, Avast Software, Avg Technologies, Norman Safeground As, and Norman Shark.

Who are John Abrahamsen's colleagues at Visitech AS?

John Abrahamsen's colleagues at Visitech AS include Andreas Fjeldstad, Marius Grimelind, Lu Dan, Øyvind Tafjord, and Ying Zhao.

How can I contact John Abrahamsen?

You can use AeroLeads to view verified contact signals for John Abrahamsen at Visitech AS, including work email, phone, and LinkedIn data when available.

What schools did John Abrahamsen attend?

John Abrahamsen holds Bachelor, Applied Computer Science from Oslo University College.

What skills is John Abrahamsen known for?

John Abrahamsen is listed with skills including Python, Php, Shell Scripting, C, Perl, Computer Security, Security, and C++.

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