Entirety.Software | 15+ years
From: Ukraine
Location: Poznań, PL
On Useme since 1 March 2026
About me
Hi! My name is Stanislav Trystan. I'm .NET engineer & IT architect. Since 1997 I've been building custom business management applications (CRM/ERP), with 15+ years of .NET, C# & DevExpress XAF experience. I can help you when you need:
- A Custom ERP/CRM – built for your workflow, not a one-size-fits-all SaaS
- Rapid Prototyping – a working version of your idea in days, not months
- Complex Permissions – RBAC, field-level security
- Advanced Reporting & Dashboards
My pros:
- 3–7 day Sprints – you see progress every few days, always in the loop
- Proven Experience – production systems for Manufacturing, IP Protection, Real Estate, Accounting Firms
- Reduced Cost – professional-grade components, polished UI (Web/Blazor/Desktop)
- Zero Bloat – only the features you actually need to run your business
Tech Stack:
- Framework: DevExpress XAF (eXpressApp Framework), ABP Framework
- UI: Blazor (Web) / WinForms (Desktop)
- Database: PostgreSQL, MS SQL Server
- .NET, C#
- DDD, BPMN, UML
Categories
CV / Résumé
Dec 2023 - Now
CEO & Software Architect
Entirety Software
Software Architecture Consultation; Custom business application development for SMB;
May 2018 - Dec 2024
Senior .NET Engineer & Solution Architect
Tecan CDMO Solutions
Building ERP/MES for medical corp. ISA-95 standard & AI integration with business data. Result: Effective MPI management, complex document approval workflows, e-Signatures, and real-time hierarchy of dynamic classes.
Jun 2006 - Mar 2018
.NET Software Engineer, System Administrator
ZESTAD - IP Law Company
Building: patent & CRM apps, ETL agents, Patent Office integration, and website. Administering local/remote offices, VMs, and DBs. Result: automated patent tracking/billing, auto-notifications, CRM management, mass mailing, and modern web presence.
Portfolio
Modernization of legacy MES. Scalable, flexible solution for multi-facility use, enhancing visibility and intelligent automation. Result: Improved process optimization, efficiency, and real-time operational control.
Centralized role-based PDF signing system. Multi-signatory support, role-specific actions, and auto-notifications. Result: Streamlined submission, tracking, and approval, significantly reducing internal workflow bottlenecks.