Appazo Rafał Kwasek
Pragmatic software architecture for teams that build serious systems.
What I help with
01
Architecture Review & Audit
02
New System & Greenfield Design
03
Microservices, DDD & Distributed Systems
04
Technical Leadership & Mentoring
05
AI Integration & Adoption
How I work
- Pragmatism over dogma
- Decisions over diagrams
- Boring where it counts
- Leave the team stronger
- AI as leverage, not magic
Where I've delivered
Industries
Fintech / banking / payments
E-commerce / retail
SaaS / B2B platforms
Telecom / media / utilities
System types
Distributed systems
Real-time systems
Big data & analytics
Standalone applications
Expertise
Languages
JavaKotlinSQL
Spring & JVM Ecosystem
Spring BootSpring CloudSpring SecuritySpring DataJPA / Hibernate
Architecture
MicroservicesEvent-DrivenDDDCQRSEvent SourcingHexagonalModular Monolith
Messaging & Data
Apache KafkaRabbitMQPostgreSQLMongoDBRedisElasticsearch
Cloud-agnostic & Infrastructure
AWSGCPAzureKubernetesDockerTerraform
Practices
TDDADRsTrunk-based devContinuous DeliveryObservability
AI & LLM
LLM integration
Anthropic Claude API
OpenAI API
Agentic systems
Tool use & MCP
Prompt engineering
AI-assisted development