CoinmetroTech Lead / Senior Backend Engineer
Feb 2024 — Present
Crypto exchange — leads an 8-person cross-functional team; the exchange processed up to €35M daily volume at peak.
- ▸Decomposed a monolithic, Redis-backed order-matching engine into isolated services per trading-pair group — independent scaling and per-market fault isolation.
- ▸Cut disputed liquidation claims 80% by identifying and fixing critical bugs in the margin-trading risk engine, then adding validation guardrails around it.
- ▸Reduced liquidity-provider downtime 30% with automated LP orchestration across 3+ providers — real-time price selection replacing manual switching.
- ▸Cut incident debugging time 80% with an observability overhaul: structured centralized logging and distributed tracing (Graylog → Grafana + Loki).
- ▸Order-validation guardrails and fat-finger protection reduced erroneous orders ~7% (FinOps-measured).
Custody: transaction-signing/key-management refactor, Fireblocks (MPC) migration, EVM + Bitcoin-fork integrations built from scratch, BitGo, fiat on/off-ramps incl. Apple/Google Pay · Led swap-engine rewrite · MiCA infra/security workstreams (in progress) · Infra as code (OpenTofu + AWS CDK) · Drove org-wide agentic engineering adoption (Claude Code, internal MCP servers, n8n)
Node.jsTypeScriptNestJSMongoDBRedisAWS
FreelanceSenior Fullstack Engineer
Oct 2023 — Jan 2024
Technical consulting for startups.
TypeScriptNestJSPythonPostgreSQLAWS
HalbornSenior Fullstack Engineer
Oct 2022 — Jul 2023
Web3 security.
- ▸Built a Web3 domain-monitoring and threat-detection system scanning 100K+ domains daily — saved clients $1M+ from phishing.
- ▸Ethereum security notary: smart contracts, a distributed event-driven backend, and wallet integration.
- ▸Took ML-based social-media threat monitoring to production.
Node.jsTypeScriptPythonPostgreSQLSolidityAWS
KinemaSenior Fullstack Engineer · First engineering hire
Jul 2021 — Oct 2022
Live-streaming platform.
- ▸Real-time synchronized broadcast system: 50K+ concurrent users, 2K+ synced viewers per stream over WebSockets.
- ▸VOD pipeline on AWS (CDK) cut time-to-market 80%; built the foundational serverless infra from scratch.
TypeScriptReactGraphQLPostgreSQLRedisAWS
SpaceDevFullstack Engineer
Feb 2021 — Jul 2021
Built a car-rental management platform on React and NestJS; integrated React Native Android applications.
TypeScriptNestJSReactPostgreSQLElectron
Southworks — Discovery NetworksSoftware Engineer
Jul 2019 — Feb 2021
Developed a serverless video-monitoring dashboard for Discovery Networks' distributed mass-media platform.
TypeScriptReactReduxAWS LambdaCloudFormation
CSC CONICET (Computer Simulation Center)Research Engineer
Oct 2017 — Jul 2019
Designed, simulated and programmed digital and hybrid circuit boards with microcontrollers for RF and signal processing; firmware and desktop applications for signal processing.
PythonCC++Altium Designer
Probattery Industrial SolutionsResearch & Development Engineer
Oct 2018 — Jul 2019
Designed circuit boards and firmware for smart batteries in ventilators and medical devices; implemented ISO 9001 practices.
PythonCC++Altium Designer
Control Vehicular ArgentinoElectronics Design Engineer
Jan 2017 — Oct 2018
Designed electronic hardware, firmware and software for legacy and new automotive devices.
CC++C#Altium Designer
American FiureEmbedded Systems Engineer
Jan 2014 — Dec 2016
Firmware and software for prototype medical equipment.
CC++PythonAltium Designer
AccentureSoftware Engineer
Apr 2011 — Dec 2012
Developed an accounting platform for AB InBev.
.NETC#SQL ServerSharePoint
