About
Backend COBOL & Python Developer.
- Name: Drs. H.J. (Harmjan) Willemsen MBA
- City: Culemborg, The Netherlands
- Email: Click here
- Freelance: Parttime Available
- Degree: Master
- Nationality: Dutch
- Website www.epidaurus.org
I am a pragmatic, results-oriented IT professional with years of experience in designing, developing, testing and implementing information systems. I adapt easily to a new environment and can quickly add value. From my business economics and business administration background I have extensive knowledge of financial, logistical and administrative processes within organizations. Through my various assignments I have a lot of experience with ICT projects within information and knowledge-intensive organizations at the (central) government and at financial service providers.
Skills
Resume
Education
MBA
2002
Open University Business School (UK)
Business administration (master)
1997
Open University (Netherlands)
Business economics (bachelor)
1986
Avans Hogeschool (Netherlands)
Professional Experience
Backend Developer
December 2020 - Present
Epidaurus B.V.
Followed various courses aimed at refreshing/gaining knowledge of and experience with different programming languages:
- Multiple courses in the field of Enterprise COBOL and JCL on IBM Mainframe (z/OS).
- Various courses in the field of Python, both the programming language itself and various data science and machine learning libraries.
- Multiple courses focused on Django and the Django REST framework.
- Course specifically aimed at developing web pages with HTML, CSS and Javascript.
IT Professional
1995 - present
Various organizations
From the beginning of 1995 until now I have worked in ICT in various organizations as analyst, business consultant and project and information manager. In the first years I was employed by various organizations, from 2006 I am self-employed. Some examples of are:
- Information Manager at Municipality of Amsterdam, DJI and Centraal Beheer Achmea
- Business Consultant at Logius and UWV
- Senior Business Analist / Architect at Ministery of Defense and Centraal Beheer Achmea
- Senior Consultant / Manager at KPMG, MLC, Oracle and Exact International
Software developer
1988 - 1994
Various organizations
Worked as a (lead) developer at various organizations:
- In combination with training from Volmac Top Trainingen (CapGemini), started as a systems analyst at bank Mees & Hope (MeesPierson). Here I mainly worked on development and maintenance of systems using Cobol/CICS and Adabas/Natural.
- Subsequently, as a developer at Itresco Consultants, I first worked on the development of systems in Cobol with DB2/IDMS as a database at Delta Lloyd (NN), among others.
- Finally, as a developer at Pilot Software, built systems in 4-GL (fourth generation languages) for Heineken and Vopak, among others.
