Rens Jaspers

Jaarverslag 2025

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Achievements

Orfeus 4 & VIPLive Migration

Successfully migrated 1M+ declaration lines from Orfeus to VIPLive and scaled practice migrations to >500 practices. Optimized sync speed from hours to < 5 minutes using parallel processing without performance issues.

Performance Engineering

Reduced PDF report generation times from 22s to <1s through infrastructure optimization and parallel processing.

Infra & DevOps

Collaborated with Andrea to optimize infrastructure and reduce load, which significantly improved performance for Orfeus 4. Handed over daily DevOps operations to focus more on software development.

24baby App Modernization

Led the modernization to Angular 20+ with full signals architecture, reducing cold start time from 4.1s to 1.8s.

Goals Reached

System Stability

Improved stability of data exchanges, reducing monthly error rates by 70% through new checks and retry mechanisms.

Data Accuracy

Analyzed the 2022-2024 Perined dataset to investigate unsent dossiers, recovering tens of thousands of missing records.

AI Integration

Integrated AI workflows using Cursor and ChatGPT, increasing development throughput by ~40% and streamlining team onboarding.

Learning

AI-Driven Development

Mastered AI-assisted development workflows, significantly boosting productivity and enabling complex problem-solving.

Modern Angular Architecture

Deep dived into modern Angular features including Signals, control flow, and standalone components for scalable application development.

Skills Evolution

202220252025

Drag to see skill evolution over time

Angular + TypeScript99%
Ionic + Capacitor96%
NestJS + Node.js92%
TailwindCSS + Sass98%
PHP + Symfony65%
Docker + GitHub Actions60%
AI Workflow Integration95%
Performance Optimization95%

Goals for Next Year

User Experience & Accessibility

Further enhance UX and accessibility across all platforms, focusing on intuitive interfaces and inclusive design.

AI as the UI

Explore how conversational AI can act as the interface, where users interact with AI that calls tools and executes actions. Investigate the impact on existing UIs and the role of UI developers in this paradigm shift.

Enterprise Architecture

Focus on scalable enterprise patterns and micro-frontend architectures for large-scale healthcare systems.

Cross-Platform Innovation

Explore new cross-platform capabilities and native integrations to bridge the gap between web and mobile experiences.

Mentorship & Leadership

Continue mentoring developers and leading technical initiatives to foster a culture of excellence and continuous learning.

Special Thanks

Andrea

Andrea

For taking ownership of DevOps operations and collaborating on infrastructure optimization.

Lindsey

Lindsey

For organizing awesome team events and making sure we have a great time together.

Joost

Joost

For being extremely enthousiastic about tech and encouraging me to learn new things.

Leon

Leon

For always keeping a cool head, despite all challenges surrounding the introduction of VIPLive for Orfeus and Onatal.

© 2025 Rens - Jaarverslag