Full-stack engineer.

Ethan Caffrey — Software Engineer II @ Canto

Full-stack engineer spanning customer-facing SaaS at Canto to cloud infrastructure security at Ericsson — React/TypeScript frontends, Java/Spring Boot backends, Kubernetes/Helm hardening across 115+ services.

I build my own tooling to move faster: spec-driven AI workflows, internal process automation.

🇮🇪BASED IN IRELAND

💼SOFTWARE ENGINEER II @ CANTO

🔧BUILDING: SAAS W/ SPEC-DRIVEN AI WORKFLOWS

🔗GITHUB.COM/KAHFREE

🔗LINKEDIN.COM/IN/ETHAN-CAFFREY

✉️ethancaff@gmail.com

📄RESUME.PDF

Experience

CantoSoftware Engineer II

Feb 2025 – Present

Co-developed asset collection, used daily by 75%+ of customers — ported from the legacy UI, full-stack delivery + system design
Led routing migration to TanStack Router, fixing a long-standing customer-facing scroll bug
Cut CI/CD pipeline time ~25% by auditing and de-flaking the e2e suite

EricssonSoftware Engineer

Jul 2023 – Jan 2025

Hardened container security across ~115 services (Docker/Kubernetes/Helm) for internal compliance
Built full-stack internal tool visualizing Git repo metrics for cross-team codebase health
Automated Helm chart generation, cutting test turnaround from ~2 days to ~3 hours

Projects

Liked Song Memories

View on GitHub →

On-this-day memories for Spotify liked songs. Shows tracks you favorited on today's date across past years, with album art rendered in a terminal UI.

CSpotify APIOAuth2.0TUI

Planning Poker

View on GitHub →

A lightweight point estimation tool for agile workflows. Supports multiple rooms, link sharing, and realtime user updates.

ReactWebSocketsSpring BootMUI