← Back home
Portrait of Antonis Valvis

Business systems engineer

Antonis
Valvis

ERP/CRM automation · data migration · integration · internal tools

Athens, Greeceinfo@avalvis.grgithub.com/avalvislinkedin.com/in/avalvis
01

Profile

I bridge business operations and technical systems. My work spans full-cycle ERP implementation, CRM and ERP automation, complex data migrations, APIs, SQL, operational data pipelines, and focused tools that make risky or repetitive work reviewable.

Strength
Translating operational rules into dependable software
Approach
Traceable changes, visible failures, and practical recovery
02

Experience

Operational data integration and business-system support across physical systems, databases, APIs, and cloud analytics.

  • Build and maintain Python, SQL, Linux, and API workflows connecting operational data to downstream analytics.
  • Trace discrepancies between physical outputs, source data, and downstream models.
  • Provide hands-on Odoo ERP and Zoho CRM expertise alongside the primary integration role.
  • Manage technical onboarding and system interoperability while protecting client and operational details.

Full-cycle technical implementation for enterprise ERP projects, from requirements and data preparation through delivery and go-live support.

  • Translated business requirements into ERP workflows, integrations, reports, and supporting utilities.
  • Designed API bridges and automation across ERP processes and external applications.
  • Delivered SQL Server migrations and repeatable ETL processes for complex legacy data.
  • Built Python, .NET, and database tools that reduced fragile manual work.
03

Capabilities

ERP / CRM automationData migrationSQL ServerPython.NETREST APIsETL pipelinesOdoo ERPZoho CRMEntersoftLinuxInternal tools
04

Education

BSc Computer Science

University of Sunderland · 2021–2024

Thesis: PixelBid, a microservices auction application.

Mechanical Engineering studies

National Technical University of Athens · from 2012

Engineering foundations that continue to shape a systems-oriented approach.
05

Training

Entersoft Tech Basic · ERP Mobile · WMS Basic · ERP Basic · Scrum Fundamentals