Petros Kantartzoglou
Low-Code Expert in Mendix Development
systima.online
info@systima.online
+31 6 4441 5975
/in/petros-kantartzoglou
Netherlands • Greece • EU Remote
KvK: 94866589
Company Profile
Systima Consultancy builds and delivers Mendix applications fast and reliably. I lead end-to-end engagements from discovery to deployment, focused on secure and maintainable low-code solutions. Delivered 6+ Mendix apps and led teams of 10–20 developers across EU enterprises.
Services
- Mendix App Development
- Mendix Native Applications
- Application Modernization
- ERP/CRM System Integration
- Process Automation
- Mendix Enablement & Training
- UX & Prototyping for Low-Code
- Low-Code Consulting
Selected Client Projects
TCS / GSK — Mendix Architect & Lead Consultant
- Led two parallel Mendix 9 projects as architect and engagement lead.
- Designed application architecture from scratch: domain model, security model, module boundaries, CI/CD, and environment strategy.
- Directed delivery squads, reviews, and standards to raise quality and throughput across distributed teams.
CGI / Rijkswaterstaat — Senior Software Consultant
- Mendix features and public-sector integrations.
- Release pipeline hardening and documentation.
- Stakeholder demos and change support.
Systima Consultancy — Founder & Lead Software Consultant
- Delivered 6+ Mendix apps across QMS, ERP, HRM, Marketing.
- Led teams up to 20 devs; set security and performance standards.
- Defined DevOps tooling and reusable module frameworks.
BNR-Quality — Lead Mendix Engineer
- Owned SDLC and mentored six developers.
- QMS, HRM, Accounting (PSD2/Open Banking), Marketing, ERP + route optimization.
- Stack: Mendix 7–10, ReactJS, Java, REST, PostgreSQL, Native Mobile, Git/SVN, AppCenter.
Contractuo — Senior Software Engineer
- CRM platform; hired and led Greece-based developers.
- Stack: PHP Laravel, Vue.js, PostgreSQL, Docker/Kubernetes, Sass/CSS, Agile.
Quest Innovations (Quest Medical Imaging) — Soft/Hardware Engineer (Internship)
- R&D of universal frame grabber for medical imaging.
- Stack: C++, VHDL (FPGA), Intel NIOS, real-time embedded, UML.
Code24 B.V. — Software Developer
- CRM for medical institutions; ID integrations with Dutch gov APIs.
- Stack: PHP Zend, Sencha Ext JS, JS/HTML, CI/CD, Docker, Linux, MySQL/MSSQL.
C. Vlaar Benningbroek B.V. — System Administrator & Soft/Hardware Developer
- Owned day-to-day systems administration: servers, storage, user management, network, backups, and monitoring.
- Modernized on-prem infrastructure and telephony; improved reliability and support response.
- R&D of a milk-flow control and monitoring solution for a small-scale cheese factory, including sensor interfacing, data logging, alerting, and operator UI.
Interswitch B.V. — System Administrator
- 200+ users; three call centers; DC operations; telephony; 24/7 support.
C. Vlaar Benningbroek B.V. — System Administrator & Software Developer
- Server/storage, telephony, embedded dev (C++/C#), fiber installs, robot comms.
Technical Expertise
- Mendix 7–10, Java, JavaScript, ReactJS, PHP, Python
- REST (JSON/XML), OAuth2/OIDC, API design
- PostgreSQL, MySQL, SQL optimization
- CI/CD pipelines, Git/SVN, AppCenter
- Docker & Kubernetes, DevOps
- HTML5, CSS/SASS, UX prototyping, security hardening
Tech Stack
- Mendix 7-10, Java actions, Native Mobile
- React components, Pluggable widgets, HTML5/CSS/SASS
- OAuth/OIDC, SSO, security best practices
- PostgreSQL, AppCenter, Git/SVN
- CI/CD, Docker, Kubernetes
- REST APIs (JSON/XML), PSD2/Open Banking
Certifications
- Mendix Expert Developer
- Mendix Advanced Developer
- Mendix Intermediate Developer
- Mendix Rapid Developer
Education
- BSc Computer Science — Realtime and Embedded Systems (Technische Informatica)
Inholland University of Applied Sciences, Alkmaar • 2015 – 2020
Languages
- Dutch — Native
- English — Professional
- Greek — Intermediate