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05-Projects/Tieto Experience Summary.md

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+---
+company: TietoEVRY
+duration: 2016-2025
+tags: [career-history, tieto]
+---
+
+# TietoEVRY Experience Summary (2016-2025)
+
+## 📅 Timeline Overview
+**Total Duration**: ~9 years (2016-2025)
+**Departments**: Funds (majority), Equities (final year)
+
+---
+
+## 🎯 Major Roles & Responsibilities
+
+### Database Developer (Funds - Early Years)
+**Focus**: Implementing features, microservice architecture
+
+**Key Projects**:
+- Feature development for TCM/TCM Lite products
+- Microservices architecture implementation
+- Database design and optimization
+
+**Technologies**: SQL Server, .NET, Azure
+
+---
+
+### Senior Developer/Architect (Funds - Mid Years)
+**Focus**: REST API layer, architecture transformation
+
+**Key Project: AbasecGateway**
+- **Problem**: Legacy AbaSec database needed modern API layer
+- **Solution**: Designed and implemented REST API gateway
+- **Responsibilities**:
+  - Architecture design
+  - Cross-cutting concerns (logging, metrics, OpenID auth)
+  - CI/CD pipeline creation
+  - Full end-to-end deployment pipeline to production
+
+**Technologies**: .NET, REST APIs, Azure DevOps, OpenID Connect
+
+**Duration**: ~2 years
+
+---
+
+### ToolSmiths Team (Equities - Final Year)
+**Focus**: Version control and build/deploy tools maintenance
+
+**Context**: 
+- Moved from Funds to Equities organization
+- Team responsible for legacy tooling
+- Many original developers had left
+
+**Challenges**:
+- Unfamiliar with much of the legacy AbaSec tooling
+- Supporting junior colleagues constantly
+- Felt increasingly stuck and stressed
+- Knowledge drain as experienced people left
+
+---
+
+## 🏆 Major Achievements
+
+### AbasecGateway Project
+- ✅ Modern REST API layer on legacy system
+- ✅ Complete CI/CD pipeline
+- ✅ End-to-end testing framework
+- ✅ Production deployment system
+- ✅ Authentication/authorization implementation
+- ✅ Comprehensive logging and metrics
+
+### Architecture & Technical Leadership
+- ✅ Clean Architecture transformations
+- ✅ Microservices design patterns
+- ✅ Azure cloud migrations
+- ✅ DevOps practices implementation
+
+---
+
+## 📉 Product Context
+- **TCM/TCM Lite**: Fund management products in decline
+- **Customer attrition**: Multiple customers leaving platform
+- **Market pressure**: Changing industry landscape
+
+---
+
+## 💭 Reasons for Leaving
+
+### Primary Factors
+1. **Role Mismatch**: Move to ToolSmiths felt like step backward
+   - More legacy maintenance than innovation
+   - Less architectural work
+   - Supporting vs leading
+
+2. **Stress & Feeling Stuck**: 
+   - Constant support of junior developers
+   - Unfamiliar legacy systems
+   - Knowledge gaps from departed colleagues
+
+3. **Life Event Catalyst**: 
+   - Former Sybase colleague passed away (September)
+   - Reflection on career at age 55
+   - Desire to try consulting while still able
+
+4. **Product Decline**: 
+   - Funds product losing customers
+   - Uncertainty about long-term prospects
+
+### Regrets & Reflections
+- **Regret**: Didn't communicate stress to manager (Patrik Svensson) sooner
+- **Wonder**: Could issues have been resolved with better communication?
+- **Recognition**: May have acted hastily due to stress
+
+---
+
+## 🎓 Skills Developed
+- SQL Server architecture and optimization
+- .NET development (various versions)
+- REST API design
+- Microservices architecture
+- Azure cloud services
+- CI/CD pipeline design
+- DevOps practices
+- Team leadership
+- Cross-cutting concerns design
+
+---
+
+## 🔗 Related
+- Projects to document in detail: [[AbasecGateway Project]], [[TCM Microservices]]
+- Skills to emphasize: [[SQL Server]], [[.NET]], [[Azure]], [[REST APIs]]
+- Interview talking points: [[Why I Left Tieto]]