Andrés Contreras

Orange, California · Madrid

AndrésContreras Guillén

Technologist and entrepreneur.

I have spent sixteen years starting companies and leading engineering, mostly where AI meets financial services. Today I lead technology at Signature Management Consultants and build Firefly in the open.

See what I buildLinkedInGitHub

What I build in the open

  1. 01Open-source framework

    Firefly Framework

    One application architecture, native to five ecosystems: dependency injection, CQRS, event sourcing, sagas, security and observability for systems that cannot fail.

    Explore the framework

  2. 02Applied AI

    Firefly Agentic

    A production layer for generative AI on Pydantic AI: agents, tools, reasoning patterns, memory, validation loops and observability, built to run in regulated systems.

    See Firefly Agentic

  3. 03Process automation

    Weave

    Design workflows visually or in code, then orchestrate services, people and email across the systems a business already runs.

    See Weave

  4. 04Software factory

    Forge

    Define a product, orchestrate coding agents and follow every change from verification to delivery in one visual workspace.

    See Forge

  5. 05Knowledge

    flycanon

    Versioned knowledge with source provenance, hybrid retrieval and answers that cite where every fact comes from.

    See flycanon

  6. 06Analytics

    flyquery

    Ask questions of structured files in plain language and inspect the SQL behind every answer.

    See flyquery

  7. 07Core banking

    Firefly OpenCore Banking

    An open core-banking platform — accounts, ledger, payments, cards, lending and KYC — organized in layers a bank or fintech can adopt one at a time. 73 public services and counting.

    Explore the platform

Let’s talk.

The quickest way to reach me is a message on LinkedIn.

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