01 — 2025
CitiFlowAI
Multi-agent RL for city-wide traffic control. Huawei Developer Competition 2025 APAC Grand Finalist.
Python · Huawei Cloud · SUMO · MARL
Applied AI — Jakarta, Indonesia
I build AI that learns from the world.
I'm Karldritz Hanson — reinforcement learning, agentic systems, and applied AI for the real world. Currently working on AI solutions for enterprises.
Exploring & learning
Harness Engineering
Agentic Workflows
Evolutionary Computation
AI Architectures
Selected Work
5 projects02 — 2026
CuanCerdas
An AI finance copilot for Indonesian MSMEs that turns transactions into reports and explains them through an advisor chatbot. 2nd place at the Paylabs × Alibaba Cloud Hackathon.
TypeScript · Fastify · Prisma · PostgreSQL
03 — 2024
AV Simulation
Evolving autonomous-driving controllers with NEAT — peak fitness 84/98/100 across three tracks. Published at ICORIS 2024.
Python · NEAT · Pyglet · Genetic Algorithms
04 — 2026
TemuCita AI Companion
Cita, an AI companion for TemuCita, an Indonesian mental-health community. A safe space to talk that remembers, answers from vetted material, and points people toward real support.
TypeScript · Next.js · Prisma · PostgreSQL
05 — 2026
Balancing Traffic Signals with Evolution
Evolving the reward function (NSGA-II) for an LSTM-DQN traffic controller to balance throughput, fairness, and smoothness. Published in ICCSCI 2026.
Python · SUMO · NSGA-II · LSTM-DQN
More coming soon — still writing them up 😅
Open to