Marko Novak

I’m a Senior Java Backend Engineer with 8+ years designing and scaling enterprise-grade backend systems using Java and the Spring ecosystem. I build distributed microservices and event-driven architectures that are reliable under real-world load.

Across my roles, I’ve delivered measurable performance and cost improvements—52% faster API response times, 45% higher processing throughput, and 38% lower operational overhead—supporting 250k+ users and processing millions of monthly events. I focus on production outcomes: latency, throughput, operational stability, and faster deployment cycles.

At Nexlify, I architected Spring Boot/Spring Cloud microservices for 5.8M+ monthly transactions and led migrations from monoliths to event-driven systems with Kafka, improving deployment frequency by 45%. I also built Temporal workflow orchestration for 320k+ business processes per month and introduced observability standards with Grafana to reduce incident detection time by 46%.

On the AI side, I’ve integrated LLMs into operational systems using RAG pipelines, vector search, and inference—improving retrieval precision by 37% across 15M+ indexed records. I’m comfortable connecting AI agents to internal systems securely (including MCP-compatible integrations) while engineering the backend foundations (Kafka, databases, CI/CD, and dependable data flows) that keep everything running.