Thomas Sioumpalas
Junior Backend Developer with experience in data-heavy enterprise environments, workflow automation, and backend fundamentals. Strong analytical background from accounting and system-oriented operations roles.
About
Junior Backend Developer with experience in data-heavy enterprise environments, workflow automation, and
backend fundamentals. Strong analytical background from accounting and system-oriented operations roles.
- 5 years' experience
- Joined January 2026
Languages
- Greek, ModernFluent
- EnglishFluent
- ChineseAdvanced
Industry experience
- Software & Internet
- Professional Services
- Manufacturing
- Energy & Utilities
- Non-Profit Organization
- Education
Work experience· 6 roles
Improved feature performance and stability through code refactoring, debugging, and efficient resolution of customer-reported issues. Design and implement customer-facing integration services. Manage Backend Development and API Architecture of cloud-based Web Application.
Worked with large structured datasets, applying validation logic, reconciliation rules, and error-handling to backend data processing. Designed standardized reporting outputs, reflecting data modeling and structured formatting concepts used in ERP. Introduced basic workflow automation steps, demonstrating process with logical thinking, and efficiency-oriented problem solving.
Audited financial entries using rule-based validation, aligning with backend input validation and exception handling. Reduced financial errors by 72.6% through redesigned controls and SAP ERP monitoring.
Education
Certifications and awards· 5
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