BART CHMIEL · AI SYSTEMS ARCHITECT

Engineering Without Compromise

360K+ lines of production AI infrastructure — compilers, kernels, LLM engines & multi-agent platforms — all built from scratch in Rust, CUDA & TypeScript.

0+Lines of Code
0+Modules
0xRust vs Python
0Tests Passing
// TECHNICAL PROFICIENCY

Languages & Frameworks

SYSTEMS & LOW-LEVEL
Rust95%
CUDA / C++80%
x86_64 Assembly60%
AI & ML STACK
Python90%
FastAPI / Django88%
PyTorch / CUDA Kernels75%
WEB & FULL-STACK
TypeScript / React95%
Next.js / Node.js92%
C# / .NET78%
INFRASTRUCTURE
Docker / K8s85%
PostgreSQL / Redis88%
WebSockets / gRPC82%
// WHAT I BUILD

Core Expertise

AI Architecture

Production RAG pipelines, multi-agent orchestration, vector search, LLM fine-tuning & custom inference engines.

RAGAgentsVector DBLLM

Compiler & Language Design

Built a self-hosting compiler from scratch. JIT/AOT via Cranelift, Hindley-Milner type inference, SIMD codegen.

JITAOTCraneliftType Theory

GPU / CUDA Engineering

Custom CUDA kernels for LLM training. 7,800+ tok/s inference. Fused attention, flash decoding, mixed-precision.

CUDAKernelsFlash AttnFP16

Systems Programming

Bare-metal OS kernel, custom bootloader, memory allocators, interrupt handlers — zero external dependencies.

RustKernelUEFIBare-metal

Full-Stack Engineering

High-performance Next.js/React frontends with FastAPI/Node backends. WebSocket dashboards, real-time telemetry.

Next.jsFastAPIWebSocketReact

DevOps & Cloud

CI/CD pipelines, Docker orchestration, Vercel deployments, monitoring stacks, M365 administration & security.

DockerCI/CDM365Security
// HIRE ME

Consulting Services

AI Systems Architecture

End-to-end design for production AI — from LLM selection and prompt engineering to vector store architecture and multi-agent orchestration.

From £150/hr

Performance Engineering

CUDA kernel optimization, Rust rewrites of Python bottlenecks, compiler-level performance tuning. Proven 139x speedups.

From £175/hr

Technical Advisory

Architecture reviews, technology strategy, CTO-as-a-service for startups. Deep expertise across the entire stack from silicon to UI.

From £200/hr

Ready to Build Something Extraordinary?

Currently accepting AI architecture consulting, performance engineering projects, and technical advisory roles.

Watch: 139x Rust Speedup