$ whoami
Head of IT. Nearly 15 years of hands-on technical experience.
Trading platforms, network and security, FinTech tooling.
Strong technical depth across the full stack.

Bridge between business and IT. Strategy meets terminal: designing trading platforms, hardening perimeters, folding AI into day-to-day ops.

What I currently work on

Open source

Tools and patterns distilled from a decade of FinTech production:

claude-skills-fintech-ops

24 skills, 8 categories

Claude Code skills for FinTech ops: trading, infrastructure, network, security, monitoring, telephony, frontend, data. Each one captures a production gotcha that does not show up in generic tutorials.

Markdown Claude Code FinTech

quantlib-irs-toolkit

Live on PyPI: pip install quantlib-irs-toolkit

Minimal QuantLib helpers to bootstrap interest-rate swap curves for PLN, HUF, CZK, ZAR. Discount factors, zero rates, forward rates from market par swap rates. CI tested on Python 3.10/3.11/3.12, published via Trusted Publisher (OIDC).

Python QuantLib Rates

excel-dna-trading-addin-template

.NET 6, Excel-DNA 1.8

Production-grade starter for a trading-floor Excel add-in: ribbon, MSAL Entra ID auth, HTTP back-end client, timer-driven cell watcher on named ranges, packaging scripts. Builds green on Windows via GitHub Actions.

C# Excel-DNA Trading

proxmox-host-hardening

Shell script + docs

CIS-aligned hardening playbook for Proxmox VE 8 hosts. Idempotent script, dry-run mode, automatic backups, walkthrough, accepted-findings documentation (root SSH between cluster nodes, rpcbind for NFS, ...).

Shell Proxmox CIS

triple-pendulum-sim2real

RL / MuJoCo / n8n

Sim-to-real reinforcement learning for all 56 equilibrium transitions of a triple inverted pendulum on a cart. TQC algorithm, MuJoCo physics, n8n orchestration. Side project, not FinTech, kept for the ML signal.

Python RL MuJoCo

Stack

Trading and FinTech
Bloomberg, LSEG RTDS / RCC, QuantLib, FIX 4.x / 5.0, Excel-DNA, Entra ID / MSAL.
Backend and data
Python (FastAPI), TypeScript / React (Vite), QuestDB, SQLite, PostgreSQL, Kafka, WebSocket.
Infrastructure
Proxmox VE (cluster + PBS), LXC, NetApp ONTAP (iSCSI + NFS + CIFS), Hyper-V, Veeam, Azure.
Network and security
Cisco (Nexus 9500, Catalyst 9300 / 9200), Palo Alto NGFW (PA-460 HA, PA-440, Panorama), IPsec IKEv2 at scale (23 tunnels / 6 sites), Zero Trust segmentation, DRP.
Observability and ops
Prometheus, Grafana, Loki, Wazuh SIEM, Veeam, Ansible.
Telephony
FreePBX 17 / Asterisk 22, CUCM (legacy), IPC Systems (Unigy 5.5), Yealink (T87W, W70B DECT), SIP trunks.

Certifications

CISM · PMP · CCNP · Palo Alto NGFW · ITIL 4 Strategic Leader