Jesper Højmark Esbensen

Experience

30 years in software — as developer, project manager, department head and consultant.

Oct 2025 — now
Interim Software Manager · OJ Electronics A/S

Day-to-day leadership of a software department of ~20 people across Denmark, Ukraine and Romania. Mandated by executive management to lift the whole organisation on AI — both cross-cutting workflow systems and AI tools for the individual developer.

Aug 2024 — May 2025
Consultant · Grundfos A/S

Automated test procedures to verify a Bluetooth interface on an embedded Linux controller. Requirement specifications in DOORS, test setup in Python and hardware-in-the-loop in a CI/CD environment — verified against iOS and Android.

PythonEmbedded LinuxCI/CDDOORS
Nov 2023 — Jun 2024
Consultant · JYSK A/S

Web server for central administration of the stores' network routers: automatic configuration, access lists and remote restart from head office, plus REST endpoints and a NetBox connector. Built in Perl with HTMX, JavaScript and GitHub Copilot.

PerlHTMXRESTGitHub Copilot
May 2023 — Aug 2023
Consultant · BetterBI

Power BI reports giving insight across the client's systems. Power BI, Azure Data Factory and SQL Server.

Power BIAzure Data FactorySQL Server
Jan 2021 — Sep 2022
Consultant · Turftank

Development and debugging of cloud software for Turftank's line-marking robot, including migration of pitch descriptions from earlier app versions. Dart/Flutter and JSON.

Dart/FlutterCloudJSON
Sep 2018 — Sep 2022
Consultant · Siemens Gamesa, Brande

Design, development and project management of a CI/CD system for quality assurance of control algorithms for Siemens wind turbines. GitLab-based with Python, MATLAB, C++, LaTeX and Perl — including migration from Mercurial.

GitLabPythonMATLABC++
2015 — 2018
Fintech Development Manager · InfinianceTECH A/S

Head of development at a fintech start-up in FintechLab, Copenhagen. Prototypes for payment systems, data and fee analysis in C++, C# and SQL on Azure/ASP.NET — ISO 20022 messages and security per ISO 27001.

C++C#AzureISO 20022
Sep 2011 — Sep 2015
Department Manager, Software · Siemens Flow Instruments

Department manager and systems engineer on the Coriolis mass flow meter. People responsibility for 12 engineers in DK and the USA, a project budget of DKK 4–6 million and cross-disciplinary coordination of hardware, software and mechanics across Denmark, France and the USA.

2010 — 2011
Project Manager · OJ Electronics A/S

Project manager for control units for HVAC and heating control. Introduced the V-model and contributed to the company's project model — from concept to production and customer delivery.

2006 — 2010
Global Software Quality Manager · Sauer-Danfoss

Process development based on CMMI, plus configuration and change management in ClearCase/ClearQuest. Training, auditing and management reporting, and a metrics and BI system in Perl and Java on Tomcat.

CMMIClearCasePerlJava
2004 — 2007
Adjunct Lecturer · University of Southern Denmark

Taught 5th-semester engineering students in digital control engineering — three classes brought through their exams with strong results.

2001 — 2006
Consultant & team lead · IBM / Mærsk Data

System development of a new booking system for Maersk Line in an international environment of 100–120 developers. Team lead and C++ development on Sun, plus setting up ClearCase with weekly tested releases. The system is still running with 15,000+ users.

C++ClearCaseTeam lead
2001 — 2002
Consultant · Motorola

Porting of the Dimetra system to the European TETRA standard for emergency-services communication. C++ and ClearCase in a CMM level 5 environment.

2001 — 2002
Consultant · Novo Nordisk / HIQ Wise

Validation of MES software for production — high-level test specifications to verify FDA compliance.

1999 — 2000
Software Project Manager · LICENERGY Inc., Houston

Windows applications simulating oil and water flows in pipes for the oil industry. C++/MFC in Visual Studio.

1993 — 2000
Project Engineer & Project Manager · LICENERGY A/S

Technical software for calculating pressure and flow in drinking-water, oil and gas pipelines, developed in C++ on Windows.

Education & board positions

1993
M.Sc. in Engineering, DTU
Mechanical design & engineering physics
2024 — now
Co-founder, IDA AI
2020 — now
Chair of the board, IDA Syd
2017 — 2021
Chair of the board, IDA Sønderjylland
2009 — 2017
Chair of the board, Ahlmann-Skolen

On the side

In my spare time I cast bronze sculptures by turning video footage into 3D models, refining them in CAD and 3D-printing the moulds — using tools like Blender and Meshmixer.

gestalters.com →

Tools & technologies

AIMachine LearningTensorFlowDeep LearningOpenCVPythonC++C#JavaPerlSQLDart/FlutterMATLABGitGitHub CopilotLinuxCI/CDPRINCE2CMMIScrumSystemdesignAfdelingsledelseStrategi