Senior Developer (Full Stack Developer)

Maite.ai; Madrid; A distancia; EUR 55.000 - 75.000; Jornada completa

Descripción de la vacante

A legaltech startup is seeking a Full-Stack Engineer to shape the future of AI-powered legal technology from the ground up. This remote position allows you to build end-to-end features while communicating in a bilingual environment. The role requires strong database proficiency and a collaborative mindset. Join a mission to democratize access to justice through technology.

Servicios

Flexible hours

MacBook and peripherals provided

Work on cutting-edge AI technology

Formación

• 5 years of software development experience with a track record of shipping production applications.
• Ability to craft exceptional UIs for complex AI interactions.
• Experience in managing data architecture and optimizing for performance.

Responsabilidades

• Build end-to-end features across frontend and API backend.
• Design and implement document processing pipelines.
• Drive technical decisions with autonomy in a small team.
• Identify problems and solve them proactively.

Conocimientos

Strong full-stack expertise: Modern JavaScript / TypeScript, React, Next.js, Node.js

Database proficiency: PostgreSQL or similar relational databases

Testing culture: Writing tests and valuing quality

Fluent in Spanish and English

Communication skills in a remote environment

Herramientas

Supabase

Qdrant

Descripción del empleo

Full-Stack Engineer @ Maite.ai is on a mission to

fight for a fairer world through technology

• . We're building an AI-powered legal assistant that democratizes access to justice by making legal work faster, more accurate, and more accessible. We're a legaltech startup combining cutting-edge AI with deep domain expertise to transform how legal professionals work—and ultimately, how people access legal services.

The Opportunity

We're looking for a

Full-Stack Engineer

who wants to build products that matter. This isn't about adding features to an existing product—it's about shaping the future of AI-powered legal technology from the ground up.

Build end-to-end features

across our Next.js frontend and API backend, taking ownership from conception to deployment

Design and implement document processing pipelines

that handle uploads, analysis, embeddings, and intelligent retrieval

Craft exceptional UIs

that make complex AI interactions feel simple and delightful for legal professionals

Manage data architecture

in PostgreSQL / Supabase, optimizing for performance and scalability

Write comprehensive tests and documentation

because quality and knowledge-sharing are non-negotiable

Drive technical decisions

with the autonomy and responsibility that comes with being a senior member of a small team

5 years of software development experience

with a track record of shipping production applications

• Strong full-stack expertise: Modern JavaScript / TypeScript, React, Next.js, Node.js, and API design
• Database proficiency: PostgreSQL or similar relational databases, with understanding of data modeling and query optimization
• Testing culture: You write tests, you value quality, you don't ship broken code
• Fluent in Spanish and English: we're a bilingual team and product
• Communication skills: You can explain complex technical decisions clearly and collaborate asynchronously in a remote environment
• Experience with Supabase, Qdrant, or vector databases and understand prompting, context management, and AI UX patterns

In a small remote team, you don't wait for instructions—you identify problems and solve them proactively

100% remote

— work from anywhere in Spain

~ Flexible hours

— we care about output, not hours logged

~ MacBook, extra monitor, peripherals — whatever you need to do your best work

#Work on cutting-edge AI technology with real social impact

#Build technology that makes the legal system more accessible

Exposure to state-of-the-art AI / ML techniques and legal tech domain

Application Review

(within 5 business days) : We'll review your CV and portfolio / GitHub

# Collaborative problem-solving session covering full-stack development, AI integration, and architectural thinking

# This is a fully remote position within Spain.