Hi, I'm Oz ⚡️
Physicist turned Full Stack Software Engineer building with Bitcoin, Nostr and AI.
OR

About

Senior Full Stack Software Engineer with 6+ years building production systems and leading technical teams. Expert in TypeScript, Node.js, Python, and cloud-native architectures with Kubernetes and microservices. Led teams of 4+ engineers while managing 100+ microservices in production. Deep Bitcoin ecosystem expertise with production applications processing real transactions. Proven experience in fintech, web security, and building reliable systems at scale.

Open Source Contributions and Projects

Work Experience

D

Digital Essentia Remote

July 2024 - Present
Software Engineering & AI Consultant
Delivered rapid MVP development for companies with payment integrations and AI automations. Built production applications using SvelteKit, FastAPI, PostgreSQL, Appwrite, Supabase.
M

MedTrainer Remote

August 2021 - July 2024
Senior Platform Engineer
Led Kubernetes microservices transformation: Founded team of 4 engineers deploying 100+ production microservices with automated scaling, zero-downtime updates using Helm charts and blue-green deployments. Built event-driven systems with RabbitMQ, Redis, implementing Kubernetes operators for cluster management and horizontal pod autoscaling based on queue metrics. Established CI/CD with GitOps, implemented RBAC/network policies for HIPAA compliance, configured Prometheus/Grafana monitoring.
C

CryptoMX Remote

October 2021 - May 2022
Blockchain Consultant
A

Arkus Nexus Remote

February 2021 - August 2021
Machine Learning Engineer
G

Grupo Molecular

January 2019 - February 2021
Research Analyst & AI Engineer

Education

My Projects

Check out my latest work

I've worked on a variety of projects, from simple websites to complex web applications. Here are a few of my favorites.

Cypherflow.ai - KYC-Free AI Platform
Cypherflow.ai - KYC-Free AI Platform

Built KYC-free AI platform with Lightning Network payments processing real Bitcoin transactions

Lightning Network Bitcoin Ecash Nostr Protocol SvelteKit TypeScript Redis Docker
Website Source
Forever in Bitcoin - Inscription Service
Forever in Bitcoin - Inscription Service

Bitcoin Ordinals inscription service with containerized microservices architecture

Bitcoin Core Lightning Network FastAPI PostgreSQL Docker AWS
Website Source
CypherTap - Component Library
CypherTap - Component Library

TypeScript + Svelte component library for Nostr authentication and Bitcoin payments

Svelte TypeScript Lightning Network Nostr Protocol Component Library
Demo Source
Chaotic Attraction - Art Through Numerical Simulations
Chaotic Attraction - Art Through Numerical Simulations

Interactive 3D Physics simulations of the Butterfly Effect to showcase the beauty of chaotic systems of equations. Each simulation has been deployed to IPFS and minted as an interactive NFT.

Generative Art Interactive 3D Simulations Three.js ERC-721 Tokens Node.js JavaScript Python Solidity IPFS Web3.js
Website Source NFT Collection

Skills

Languages & Frameworks

TypeScript
JavaScript
Node.js
Python
React
Svelte/SvelteKit
Express.js
FastAPI

Infrastructure & DevOps

Kubernetes
Docker
PostgreSQL
Redis
AWS
Microservices
Event-driven Architecture
Helm Charts
Prometheus
Grafana

Financial Technology

Bitcoin/Lightning Network
Payment Systems
Web Security
Compliance Systems
RBAC
Network Policies

Container Orchestration

Horizontal Pod Autoscaling
Blue-Green Deployments
Service Mesh
GitOps
CI/CD Pipelines
HIPAA Compliance

Bitcoin & Lightning Network

BTC & LN Node Operations
Lightning Payments
Bitcoin Ordinals
BTCPay Server
BitcoinJS
PSBTs
Bitcoin Ecash

Nostr Protocol

NDK - Nostr Development Kit
NIP-07 extensions
NIP-60 Nostr Ecash Wallets
Nostr Event Caching

Development Practices

Code Reviews
Testing
TDD
Agile Development
Technical Leadership
Production Monitoring
Contact

Get in Touch

Want to chat? Just shoot me a dm with a direct question on twitter or email me directly at rosaleso@proton.me and I'll respond whenever I can. I will ignore all soliciting.