Full Stack Developer (Hybrid/Remote)

We’re

, a company backed by two leading venture capital firms, founded by experienced entrepreneurs,

and

, with a strong track record in building and scaling successful tech companies.

Our goal is to become the go-to

Financial Operating System for accounting firms and SMEs in Southern Europe

, unifying accounting, tax, payments, planning, and banking into a single platform. We are currently a tight-knit team of 35 people and plan to grow in 2026, with a strong focus on engineering, product design, and sales.

This is our tech stack

Typescript | Python | .Net (a little bit)

React | Remix

Node.js | Prisma ORM | Effect

PostgreSQL | Docker | AWS and GCP

Today,

Kabilio already runs three core products in production — Invoices Processing, Bank Transactions, and Invoicing

— used daily by real customers. AI sits at the core of everything we build, from automating and categorizing financial data to enabling intelligent workflows and decision-making across the entire financial lifecycle. As a

Full Stack Engineer at Kabilio

, you will build and own product features end-to-end, working closely with with

CTO),

and

Arnau

, Tech Leads, as well as with a cross-functional team of devs and Product Managers.

You’ll contribute to both frontend and backend systems, helping us ship high-quality software that is used daily by real customers.

This is a hands-on role focused on delivery, quality, and collaboration, with a high degree of ownership and the opportunity to influence technical decisions without being a people manager.

Design, build, and maintain full-stack features across our products. Work with React/Remix on the frontend and Node.js on the backend. Ensure code quality through testing, reviews, and best practices. Hybrid setup

: 3 days/week in our Barcelona office. The home office days give you time to focus and the flexibility to plan your day around your productivity peaks. Indefinite Spanish Contract + top work equipment Strong experience building production web applications, ideally with

React and Node.js. Good understanding of

relational databases

(PostgreSQL or similar). Professional level

Spanish,

and English (B1 should be enough).