Java Backend Engineer · 5+ years
Ruslan Nemykin
I am a backend engineer with 5+ years of commercial Java experience. I build services, integrations and data-intensive systems, and I also develop AI tooling and independent products.
- 5+ years
- commercial engineering
- Java 11–25
- primary backend stack
- Spring Boot · Kafka
- services and integrations
- PostgreSQL · ClickHouse
- data-intensive systems
Selected work
Three projects show different parts of my work: server-authoritative AI, a native macOS application and the production platform behind this site.
VillAIgence
Server-authoritative Minecraft society layer with text and voice dialogue, Memory 2.0, operator lore, bounded AI actions and exact-artifact acceptance gates.
NotchHub
Native local-first macOS productivity hub around the MacBook notch, with an accepted 0.1.0 Personal foundation and interaction hardening currently in progress.
Engineering Portfolio Platform
Static-first engineering portfolio and knowledge platform with canonical registries, repository-native clean URLs and deployment-driven production verification.
EXPERIENCE
Commercial experience
I have 5+ years of Java backend experience across product and internal services, banking and B2B integrations, data-heavy systems, legacy modernization and engineering automation.
WRITING
Engineering writing
I write about concrete engineering decisions, reliability boundaries and development practice, with external technical and research publications collected separately.
WORK WITH ME
I can join a concrete engineering problem
I help with backend services, integrations, architecture reviews, AI tooling and technical mentoring. If that matches the problem, you can review the available formats and contact me directly.
Current availability LIMITED
PERSONAL
Teaching, research and personal context
Alongside engineering, I teach software-development subjects and pursue postgraduate research at MPGU. The site also keeps a concise view of what I am working on now.