About Me

Nikos minaidis

Product Manager | Oracle DBA

Hi there, welcome to my site!

I am Nikos. I love coding and designing applications to address challenges and fulfill the requirements of my clients.

My expertise focuses on Oracle Databases, but I also use many other programming languages, tools, and technologies according to the specific requirements of each project.

My personal philosophy is Quality over Quantity, and I follow it strictly in my professional career.

Have a look at my profile, and let’s build something together!

Nikos Minaidis - The Art of Coding Graduate

Education

MIT Professional Diploma in Quantum Computing
Mini-MBA in Leadership at European Institute of Leadership and Management
Mini-MBA at International Business Management Institute
Master’s in Informatics Department of Piraeus University in Advanced Informatics and Computing Systems in the field of Intelligent Technologies for HCI
Bachelor’s at University of Crete in Computer Science Department

Languages

Greek – Native
English – Proficiency
French – B1
Spanish – A2

AFFILIATIONS

Mensa International High IQ Society – Member
Member of Interaction Design Foundation
Certified Member of National Greek Network of Teachers
Athens Open Conference Evaluator

ACCOMPLISHMENTS

Bestowed with EXUS Breakthrough Goal Achievement Award, speeding up the installation process by 20%.
Achieved another breakthrough goal, producing ready to run code, and enhancing the product development by 30%.
Continuously learning new technologies and scientific fields that prove invaluable in practical applications.
Always taking initiatives improving current processes and building new products, e.g. ExusFood & ExusPortal.
Wrote and published a book on Oracle SQL Tuning, “Oracle SQL Tuning: Your straightforward Rulebook”, to provide deeper knowledge and guidance to developers and DBAs.

Nikos Minaidis - The Art of Coding Oracle Pro

Certifications

Certified Product Manager (CPM)
Professional Scrum Product Owner I (PSPO I)
Certified Scrum Product Owner (CSPO)
Certificate in Product Design, Prototyping and Testing by USMx
Leadership Certificate by HarvardX
Product Management Certification by MFT Institute
Executive program in Management and Business Administration by MFT
Scrum Product Owner by Skillsoft
Continuous Product Discovery Certification by Product Compass
Product Vision, Strategy and Objectives Certification by Product Compass
Product Innovation Certification by Product Compass
Product Prioritization Certification by Product School
Product Launches Certification by Product School
Product Experimentation Certification by Product School
Product Discovery Certification by Product School
Product Strategy Certification by Product School
Product Roadmapping Certification by Product School
Product-led Growth Certification by Product School
Product Analytics Certification by Product School
Artificial Intelligence Certification by Product School
Productboard for new makers Certification by Productboard
Build outcome driven roadmaps Certification by Productboard
Agile Methods for UX Design by IDF
Perception and Memory in HCI and UX by IDF
UI Design Patterns for Successful Software by IDF
Credential of Leadership by London school of Business Administration
AI for Product Management by Pendo.io
Product-led Certification by Pendo.io
Product Management Certification by IBM
Product Management: Foundations & Stakeholder Collaboration by SkillUp
Oracle Database Administration 2019 Certified Professional (OCP)
Oracle APEX Cloud Developer Certified Proffessional (OCP)
Oracle Autonomous Database Cloud 2019 Certified Specialist
Oracle Cloud Infrastructure 2024 Generative AI Certified Professional
Oracle Cloud Database Migration and Integration 2021 Certified Specialist
Oracle Cloud Data Management 2022 Foundations Certified Associate
Oracle AI Certified Foundations Associate
Oracle Cloud Infrastructure 2023 Certified Multicloud Architect Associate
Oracle Data Guard Administration Certification
Oracle Advanced RMAN backup & Recovery Certification
Deep Learning Certificate by IBM
Machine Learning Certification by Coding School
Ethical Hacking Certification – Core Fundamentals of CEH
TryHackMe – Jr Penetration Tester Certification
Microsoft Certified Associate in Web Applications (MCSA)
Einstein AI Certificate – Salesforce
Google Cloud Certified Associate Engineer
Google Ads Search Certification
Google Certificate in Fundamentals of Digital Marketing
Google Certificate in Online Marketing Fundamentals in Tourism
Google Analytics Certificate
Accredited Certification in Advanced Level Psychology by (IAOTH)
Astrophysics Program Certificate – ANUx University
Neuroscience certificate
Microsoft Office ECDL Core Diploma
Maximizing ROI through Marketing Analytics Certificate by Semrush
International SEO Certificate by Semrush
Certified Space Professional by TSTI
Space Exploration and Rocket Science Certificate by UC3Mx

Nikos Minaidis - The Art of Coding
Conference

Work experience

Product Manager at XM (Jun 2025 – Current)
Solutions Architect at Optasia (Nov 2023 – Jun 2025)
- Spearheaded the design and implementation of scalable solutions tailored to meet diverse client needs, significantly contributing to revenue growth. Through strategic planning, innovative thinking and collaborating with
  C-level executives, played a key role in developing product features that directly impacted the increased revenue of the organization and evolved the product roadmap.
- Led the business analysis and delivery of high-impact product CRs that enhanced operational efficiency and drove business growth. By leveraging a deep understanding of technology and business requirements, coupled with effective team leadership, guided cross-functional teams ensuring that team efforts were aligned with organizational objectives.
- Designed and launched new AI driven product features—including Installments, PTP, Incentives, and Settlements—by leveraging customer feedback, market research, and product analytics (KPIs). These enhancements improved user experience, increased engagement, and directly contributed to new revenue streams and greater business impact.
Senior Oracle Database Administrator at Netcompany – Intrasoft, Athens, GR (Oct 2021 – Oct 2023)
- Skillfully supervised and managed the agile project implementations of challenging cloud migrations, data purging mechanisms, performance tuning and ETL processes by junior teams, leading analysis workshops, providing comprehensive requirements, and devising a strategic plan and backlog to empower clients’ businesses with innovative product features.
- Spearheaded the Vodafone Cloud Infrastructure project, skillfully managing and coordinating three cross-functional teams to deploy Oracle RAC, OSM, SOA, and UIM applications in the Oracle cloud, delivering an end-to-end cloud solution that exceeded client expectations.
- Successfully unblocked Production Application functionality by meticulously resolving complex ASM configuration problems and overcoming Oracle patch failures, resulting in seamless operation.
- Delivered a flawless upgrade for UAT and Production Databases from 11g to 19c, seamlessly integrating Oracle Data Guard and demonstrating exceptional problem-solving skills to overcome critical obstacles that impeded the upgrade process.
Oracle APEX Consultant & Instructor at Business Automatica, DE (Feb 2023 – Mar 2023)
- Led a development team of five, driving Oracle APEX learning initiatives with a strong emphasis on comprehending end-user requirements and optimizing product usability.
- Implemented comprehensive crash courses and provided meticulous documentation to ensure unparalleled knowledge transfer and facilitate seamless application development while adhering to industry best practices.
Lead Oracle APEX/ORDS Consultant at Digisourced, UK (Nov 2022 – Feb 2023)
- Orchestrated impactful workshops, conducted thorough client analysis, and delivered comprehensive documentation and in-depth training to efficiently manage a portfolio of 200 Oracle Apex applications.
- Expertly facilitated the client’s transition into system management by providing meticulous guidance on deployment, implementing robust backup policies, and offering effective debugging strategies.
Senior Technical Analyst – Product Consultant at EXUS, Athens (Aug 2018 – Oct 2021)
- Attained a groundbreaking milestone by developing a feature-rich toolbox for the EFS system, encompassing over 20 distinct functionalities that generated ready-to-run code, resulting in an exceptional 30% improvement in the product’s development process efficiency.
- Pioneered ambitious R&D experiments by leveraging machine learning in .NET seamlessly integrating communication channels with the EFS system, thereby elevating AI presence and establishing a competitive edge.
- Successfully delivered as a Technical Lead, 11 full-lifecycle enterprise international projects in banking and energy sector.
Application Support Engineer at EXUS (Dec 2017 – Jan 2019)
- Earned prestigious recognition through the EXUS Breakthrough Goal Achievement Awards for successfully implementing a high-impact C# Validator desktop application for the EFS core product installer, speeding up the installation process by 20%.
- Spearheaded a transformative initiative to enhance the in-house restaurant process and elevate the overall dining experience. Implemented an Oracle Apex application that efficiently managed requests and significantly reduced the effort required for tracking, leading to streamlined operations and improved customer satisfaction.
- Successfully tackled both technical and business incidents across 20 worldwide client installations, ensuring operation of critical applications.
Database Engineer at ICS-FORTH, Crete, GR (July 2016 – Dec 2017)
- Pioneered the introduction of a groundbreaking Bachelor’s dissertation project, focusing on Drupal and MySQL implementation, resulting in the development of a highly efficient application exclusively utilized by lab members. This innovative solution revolutionized the traveling process, significantly reducing the effort required while enhancing overall productivity.