CV

Principal software engineer with roles across product and platform engineering. I build and ship end-to-end systems spanning backend services, infrastructure, and developer tooling in high-growth environments.


Experience

  • Vouch Insurance7 yrs

    Y Combinator-backed insurtech providing business insurance for startups and high-growth companies. Vouch’s technology platform was acquired by Hiscox in June 2025.

    Principal Software Engineer 2023 – Present Dublin, Ireland
    Lead Software Engineer 2022 – 2023 Dublin, Ireland
    Senior Software Engineer 2019 – 2022 Dublin, Ireland

    First engineering hire, progressing from Senior Engineer to Principal IC.

    • Built and shipped production features across React frontend, TypeScript services, Python services, Rails APIs, and AWS infrastructure.
    • Owned end-to-end delivery for underwriting tooling, policy management, document workflows, recommendation systems, and quoting systems.
    • Led technical design and execution for cross-functional projects across engineering, product, and operations.
  • Funding Circle4 yrs

    Peer-to-peer lending platform for small businesses. IPO on the London Stock Exchange in 2018 (LON: FCH).

    Senior Software Engineer 2015 – 2018 London, United Kingdom
    Software Engineer 2014 – 2015 San Francisco, United States

    Platform and infrastructure engineering for one of the largest peer-to-peer lending platforms.

    • Led migration of production workloads from Chef-provisioned AWS instances to Docker containers on AWS running under Mesos, Marathon, and Chronos.
    • Built an event-driven Clojure and Kafka Streams application for investor loan-part ownership, borrower repayment distribution, and the public Investor API; reduced API response times by two orders of magnitude and repayment distribution from hours to seconds.
    • Built a CLI tool to automatically detect and deploy application dependencies, enabling fully automated startup and teardown of production-like AWS environments for large integration tests across dozens of services.
    • Led a security initiative replacing long-lived static secrets with short-lived per-container dynamic secrets using Vault and envconsul, plus a PR-based permissions workflow reviewed by Security.
    • Deployed and operated Mesos, ZooKeeper, Kafka, and Consul clusters on AWS using immutable infrastructure patterns in Terraform, supporting more than 200 microservices across 3 regions.
    • Built platform observability and traffic tooling, including Jenkins Pipelines standardization, a HAProxy/Consul internal service mesh, and logging/monitoring pipelines processing approximately 500 million logs per day.
  • Popdeem2 yrs

    Social rewards platform enabling brands to reward customers for sharing on social media.

    CTO / Co-Founder
    2012 – 2014 Dublin, Ireland

    Sole technical founder and primary IC; built the product from the ground up.

    • Consumer-facing iOS and Android apps for earning rewards through social sharing
    • Rails API backend powering reward redemption and social verification
    • Admin dashboard for brands to manage campaigns and track engagement
    • AWS infrastructure and deployment

    Went through the Wayra accelerator programme. Raised over €1.1M from Delta Partners, Enterprise Ireland, and angel investors.

  • Contracting4 yrs Software Developer
    2009 – 2013 Dublin, Ireland

    Clients included Sisk Ireland, Sisk Medical, TEKNO Surgical, Synapse Medical, Origo, CoffeeTable, MED Surgical, Cardiac Services, and Lovin Dublin.


Education

  • Trinity College Dublin BA (Mod) Computer Science, 2:1 (Upper Second-Class Honours)
    2009 – 2013 Dublin, Ireland

Skills

Languages

GoPythonTypeScriptJavaScriptRubySwiftHCLKotlin

Frameworks & Product

ReactRuby on RailsREST APIs

Infrastructure

TerraformKafkaVaultKubernetesAWSNomadConsulDocker

Data & Streaming

Kafka ConnectKSQLConfluent CloudElasticsearch