Full-Stack Engineer @ Maite.ai
About Us 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. You'll work across our entire stack, from crafting intuitive AI copilot experiences to building robust document processing pipelines, all while working directly with our CTO and a lean, high-impact team.
If you're energized by the intersection of AI and real-world impact, this is your chance to build something meaningful.
What You'll Do Build end-to-end features across our Next.js frontend and API backend, taking ownership from conception to deployment
Architect AI-powered experiences integrating OpenAI, Anthropic, and Gemini models into seamless user workflows
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
Collaborate closely with our small dev team, QA engineers, and CTO to ship fast and iterate based on user feedback
Drive technical decisions with the autonomy and responsibility that comes with being a senior member of a small team
What We're Looking For Required: +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
Product mindset : You think about user problems first, not just technical solutions
Testing culture : You write tests, you value quality, you don't ship broken code
Languages : 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
Nice to Have: Experience with Supabase, Qdrant, or vector databases
Real AI/ML integration experience: You've worked with LLM APIs (OpenAI, Anthropic, Claude, etc.) and understand prompting, context management, and AI UX patterns
Familiarity with document processing (PDF parsing, embeddings, RAG architectures)
Background in startups or fast-paced environments where you wore multiple hats
Previous work on developer tools, AI products, or SaaS platforms
Understanding of accessibility standards and inclusive design
You Are: User-obsessed : You start every decision by asking "does this make the user's life better?
Radically honest : You speak up when something isn't right, challenge ideas constructively, and value truth over ego
Infinitely curious : You dive deep into problems, ask "why?" constantly, and stay rigorous in your exploration
Future-focused : You move fast, experiment boldly, and believe "done is better than perfect
Self-driven : In a small remote team, you don't wait for instructions—you identify problems and solve them proactively
What We Offer Compensation
€43,000 annual salary
Work Flexibility
100% remote — work from anywhere in Spain
Flexible hours — we care about output, not hours logged
Async-first culture with regular team meetups to stay connected
Equipment & Setup
Hardware of your choice : MacBook, extra monitor, peripherals — whatever you need to do your best work