Cloud & AI Engineer · Luxembourg · Available
I build resilient AI systems at
bank-grade scale.
Cloud Software Engineer with 5+ years shipping distributed systems for Tier-1 banks and fintechs. AWS Certified Solutions Architect. Author of three technical books on AI agents, AWS cost optimization, and AI security.
0+ yrs
Engineering
0K/h
Tx throughput
0+
Microservices
0
Books published
AWSApache KafkaKubernetesDockerNext.jsTypeScriptPythonNode.jsNestJSPostgreSQLAmazon AuroraLLM / RAGAgentic AIMCP
Selected work
Three projects, one common thread: ship at scale.
Banking microservices, AI agents, mobile AI. The patterns repeat.
By the author · 3 books
I wrote the manual for what I build.
Three field guides from production AI & cloud work, for engineers who want to ship, not theorize.
AGENTS
Building
AI Agents
A. K. Ngaleu
Building AI Agents for Software Engineers
Practical agentic AI patterns
FINOPS
AWS Cost
Optimization
A. K. Ngaleu
AWS Cost Optimization
Save 30–60% without re-architecture
SECURITY
AI
Security
A. K. Ngaleu
AI Security
Defending LLM systems in production
Capabilities
What I do, in four lanes.
/ 01
Cloud (AWS)
AWS SA-Associate. EC2, ECS, EKS, Lambda, S3, SQS, Aurora, RDS, OpenSearch.
/ 02
AI & LLM
LLM apps, RAG, agentic systems, MCP, AI security. Author of three books on the stack.
/ 03
Distributed systems
Event-driven microservices at 300K+ tx/hour with Kafka, Kubernetes, Docker.
/ 04
Fintech
5+ years building mission-critical financial infrastructure in Luxembourg.