ESSHKA / SOFTWARE ENGINEER BELGRADE · LOCAL AVAILABLE FOR CONTRACT
Operator / 01

Evgenii
Shevchenko

Ruby · Python · Java · Clojure — Generative AI, algorithmic trading, event sourcing / CQRS / DDD, computer vision, real-time systems.

15+ years building complex, high-performance systems across generative AI, computer vision, algorithmic trading, fintech/DeFi, and real-time platforms.

Experience
15+ YRS
Upwork
TOP RATED+
Job success
100%
Hire me

esshka@gmail.com

Capability matrix / 04 domains

Generative AI & ML

Stack
Agentic systems, MCPs, hybrid RAG, fine-tuning, reinforcement learning, neuroevolution
Shipped
Agentic pipelines for multi-step market analysis; production RAG over vector search plus knowledge graphs
Offer
AI/ML strategy, production inference pipelines

Algo Trading & Real-Time

Stack
Market making, low-latency execution, streaming data, exchange integrations
Shipped
Avellaneda-Stoikov market making in Java, Clojure and Python; event-sourced order intake with p99 hot paths
Offer
Execution engines, risk systems, market data distribution

Architecture & Event Systems

Stack
EDA, CQRS, event sourcing, DDD, hexagonal and clean architecture
Shipped
Core architecture for a 500k+ LOC real-time platform; Kafka and WebSocket fan-out; monolith split into bounded contexts
Offer
Technical architecture review, system design

Interfaces & Visualization

Stack
React, Svelte, Next.js, state architecture, Canvas/WebGL, SSR
Shipped
Mapbox GL and Canvas geo-visualization for millions of assets; WebRTC platform; React/MobX rework for high-frequency updates
Offer
Full-stack development, real-time client work
Loadout / 27 modules
RubyPythonJavaClojureTypeScriptJavaScriptC# RailsFastAPIReactSvelteNext.js LangChainLlamaIndexPyTorchTensorFlow PostgreSQLKafkaRedisElasticsearchClickHouse DockerGitHub ActionsPrometheusGrafanaWebSocketsgRPC
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