Kabilio
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We're Kabilio, a company backed by two leading venture capital firms, founded by experienced entrepreneurs, Alex Valls and Jose Ojeda, with a strong track record in building and scaling successful tech companies.
What We're Building
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
Languages
* Typescript | Python | .Net (a little bit)
Front
* React | Remix
Back
* Node.js | Prisma ORM | Effect
Infra & DB
* PostgreSQL | Docker | AWS and GCP
Why this role matters?
Today, Kabilio already runs three core products in production — Invoices Processing, Bank Transactions, and Invoicing — used daily by real customers. At the same time, we're building our Accounting platform, the product that defines our long-term vision and the reason Kabilio was founded. 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. We rely on modern architectures and proven technologies to turn this vision into a scalable, production-ready platform.
As a Full Stack Engineer at Kabilio, you will build and own product features end-to-end, working closely with with Ivan ( CTO), Jorge, Karel 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.
What you'll do?
* Design, build, and maintain full-stack features across our products.
* Work with React/Remix on the frontend and Node.js on the backend.
* Collaborate closely with Product and Design to turn requirements into solutions.
* Ensure code quality through testing, reviews, and best practices.
* Make pragmatic trade-offs to ship quickly + long-term maintainability.
* Contribute to technical discussions and propose improvements to the codebase.
What we offer?
* Salary range: Competitive salary (TBD in the first call).
* Flexible benefits via Cobee.
* 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
* Opportunity : Enter a massive market ready for disruption. We have a clear strategy to make our mark in Spain, leveraging what we have seen in other markets.
* Collaborative and Growth Culture : We prioritize open communication and respectful discussions. Your ideas will have a real impact, and you will have the chance to shape and grow with the business
What should you bring to the table?
* Ability to work autonomously while collaborating with a team. Technical ownership.
* Strong experience building production web applications, ideally with React and Node.js.
* Good understanding of relational databases (PostgreSQL or similar).
* Experience working across the full product lifecycle (e.g. SaaS).
* Care for clean code, maintainability, and best practices. xqysrnh
* Professional level Spanish, and English (B1 should be enough).
* Above all, you're a reliable and trustworthy person