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Full Stack Engineer

Full Stack Engineer

UltraiMadrid, Kingdom Of Spain, España
Hace 6 días
Descripción del trabajo

Mid Level Full Stack Developer (React)

Madrid, Spain | Hybrid (3 days in office)

About Ultrai

At Ultrai, we’re building the next generation of financial AI. Our mission is to empower financial institutions with precise, real-time insights through cutting-edge quant models. Backed by a financial institution and trusted by 5,000+ users, we’re in an exciting exploration phase creating portfolio meta-analysis tools with

LLM-powered analysis

and intuitive chatbot interfaces.

The role

We’re looking for a

mid level full stack developer

(with a frontend focus) to join our lean tech team of 4. This is a hands-on role where you’ll help build new features from scratch, contribute to architectural choices, and grow your skills in a fast-moving AI fintech environment.

What you’ll do

Build

high-quality frontend experiences

with clean, minimal boilerplate code. Work mainly with

JavaScript, TypeScript, and Python. Build from scratch the frontend component, with

React. Take ownership of your work and contribute ideas to framework and library choices. Code ~32 hours per week with minimal meetings – focus on building.

What we’re looking for

Native Spanish speaker

or

bilingual (Spanish / English)

– clear communication is a must. Strong

HTML / CSS fundamentals

(we value clarity over framework-heavy experience). Proficiency in

JavaScript, TypeScript, and Python. Basic

Docker

knowledge. Experience building projects from scratch and selecting appropriate libraries. Bonus : any experience or interest in

Gleam / Elixir

(we’re migrating our stack!).

Why Ultrai?

Small, tight-knit team

where your voice matters. Adult-friendly culture,

we trust you to manage your own time. Be part of a

fast-paced innovation space

at the intersection of AI and finance. Learn directly from

finance experts

with deep domain experience. Free office meals

and a prime

Madrid city center (Serrano)

location. A role with

direct impact

on product development during our growth phase.

Ready to kick-start your career in fintech innovation?

Apply now via LinkedIn!

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Stack Engineer • Madrid, Kingdom Of Spain, España

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