Santiago Mansilla .

Open to senior staff & lead roles

Senior Software Engineer
scaling Vue/TypeScript products with Clean Architecture and DDD.

I'm Santiago Mansilla Labbé. 8+ years building, leading and refactoring fullstack systems — currently at Sesame HR, migrating their finance vertical to Vue 3 and shipping AI-assisted tooling for HR workflows.

Writing

First essays coming soon.

Notes on frontend architecture, Vue migrations, and AI-assisted engineering — drafts in flight. Subscribe via RSS to catch them as they land.

Building

Selected projects

All projects →

Personal Finance AI

Active

A personal financial assistant that ingests AEB-43 (Norma 43) bank exports into a double-entry ledger and exposes a Claude-powered agent that answers natural-language questions about my finances and renders charts on demand.

NestJS TypeScript Prisma PostgreSQL Redis BullMQ React 18 Vite Tailwind Recharts Anthropic SDK Telegram Bot Hexagonal DDD

Experience

Where I've worked.

From a 3-person prototype team to a finance vertical with banking integrations, the throughline is the same: ship fast, refactor carefully, mentor relentlessly.

Full CV (PDF)
  1. Senior Software Engineer

    2024 — Present

    Sesame HR · Valencia · Remote

    Leading Vue 2→3 migration of the finance vertical, cutting state-related bugs by 40%.

  2. Senior Software Engineer & Tech Lead

    2022 — 2024

    Corporalabs · Madrid · Remote

    Built two products from scratch with Clean Architecture. Led a team of 5.

  3. Software Engineer & Team Lead

    2019 — 2022

    Horizm · Alicante · Remote

    Grew a 3-person prototype team to a 15+ engineering org. Led big-data tooling.

  4. Frontend Engineer

    2016 — 2018

    DynamicBrain · Alicante

    Frontend lead of 5+ devs. Scaled the agency frontend playbook.

Let's talk.

Open to senior staff and lead roles. Available for selected fractional engagements involving Vue 3 migrations, frontend architecture, or AI-assisted developer tooling.