Ioannis X.-Domain Architect
Check rate
Experience
NN Greece
- IP23.10 production support (Troubleshooting / Maintenance / Administration)
Allianz Ireland
- Decryption of approx. 100 million Siebel fields
Piraeus Bank Greece
- Upgrade v8 => IP22.2 (On-going administration + Hands-on execution of the upgrade)
Domain Architect
Vodafone Greece
- Upgrade IP18.12 => IP24.12 (Domain Architect + Hands-on execution of the upgrade)
- Production support (Troubleshooting / Maintenance / Administration)
- Upgrade v8 => IP18.12 (Domain Architect + Hands-on execution of the upgrade)
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Telecommunication, Banking and Finance, and Insurance.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology and Operations.
Summary
I am a freelance contractor with 25 years hands on experience in Siebel projects.
I completed numerous such projects in England, Netherlands, Switzerland, Germany, Ireland, Greece and the U.A.E.
Languages
Education
Cyprus International Institute of Management
Masters in Business Administration, Finance · Business Administration · Nicosia, Cyprus
Aristotles University of Thessaloniki
Dipl. Elec. Eng. TU, Telecommunication systems · Electrical Engineering · Thessaloniki, Greece
23rd Lyceum - Kalithea
Lyceum · Thessaloniki, Greece
Certifications & licenses
Certified Salesforce Platform Developer I
GR
Certified Salesforce Administrator
GR
SIEBEL Core Consultant v8 certification
DE
SIEBEL Core Consultant v6 certification
DE
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Ioannis is based in Thessaloniki, Greece.
Ioannis speaks the following languages: Greek (Native), German (Advanced), English (Advanced), Chinese (Elementary).
Ioannis has at least 8 years of experience. During this time, Ioannis has worked in at least 1 role and for 4 different companies. The average length of individual experience is 2 years. Note that Ioannis may not have shared all experience and actually has more experience.
Based on recent experience, Ioannis would be well-suited for roles such as: Domain Architect.
In recent years, Ioannis has worked for NN Greece, Allianz Ireland, Piraeus Bank Greece, and Vodafone Greece.
Ioannis is most experienced in industries like Telecommunication, Banking and Finance, and Insurance.
Ioannis is most experienced in business areas like Information Technology and Operations.
Ioannis has recently worked in industries like Telecommunication, Banking and Finance, and Insurance.
Ioannis has recently worked in business areas like Information Technology and Operations.
Ioannis holds a Master in Business Administration from Cyprus International Institute of Management and a Master in Electrical Engineering from Aristotles University of Thessaloniki.
Ioannis has 5 certificates. Among them, these include: Certified AWS Cloud Practitioner, Certified Salesforce Platform Developer I, and Certified Salesforce Administrator.
The availability of Ioannis needs to be confirmed.
Daily rate distribution
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Average rates for similar positions
Rates are based on recent contracts and do not include FRATCH margin.
The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 7 Sep 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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