AI Engineer, Spain

PropHero; Madrid; Presencial; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A leading tech startup in Madrid is seeking a Backend Developer to design and optimize their GenAI platform. This role involves building robust systems and developing AI agents for data integration. Ideal candidates will have significant experience with LangChain, LangGraph, and AWS, and the ability to collaborate across teams. Join this dynamic environment to help transform property investment.

Servicios

Competitive salary

Learning and growth opportunities

Diversity and inclusion commitment

Formación

• Hands-on experience with LangChain, LangGraph, and AWS services.
• Expertise in API design, system architecture, and backend development.
• Experience in collaborating with frontend and DevOps teams.

Responsabilidades

• Build and optimize GenAI platform backend systems using AWS.
• Develop AI agents that connect to databases and APIs.
• Implement testing frameworks for agent performance validation.

Conocimientos

LangChain

LangGraph

AWS

API design

System architecture

AI/ML concepts

DevOps best practices

Descripción del empleo

Overview

PropHero is an AI-driven marketplace transforming property investment. Backed by global VCs and founded by McKinsey alumni, we’re expanding our team. Join our thriving, and flexible culture, surrounded by ambitious individuals driving change. At PropHero, we’re making property investment as simple as shares or ETFs—be part of the future we’re building!

We are value-driven!

BELIEVE: We have a contagious passion and entrepreneurial spirit.

CONNECT: We care for each other and create a “one-team” spirit.

RAISING THE BAR: We push for exceptional performance and never settle for mediocrity.

OWN IT: We are owners no matter the circumstances.

DELIVER: We deliver meaningful, measurable outcomes driving a positive impact.

Do these values resonate with you? Keep reading!

How you will shape PropHero

• Platform Development: Build, and optimize the best in class GenAI Platform backend systems using AWS, LangChain, and LangGraph.
• Agent Integration: Develop AI agents that can easily connect with databases, external APIs (e.g., HubSpot), and internal tools.
• Testing & Quality Assurance: Implement comprehensive testing frameworks to validate agent performance and results.
• Develop tools to continuously evaluate accuracy, efficiency, and reliability of AI outputs.
• Collaboration with Frontend & Dev Teams: Work closely with frontend engineers to ensure smooth API integrations between AI agents and user-facing applications.
• Partner with DevOps engineers to deploy and maintain scalable, secure, and reliable infrastructure.
• Scalability & Security: Ensure the platform is robust, scalable, and secure to support various AI-driven applications.
• Basic Monitoring & Logging: Implement essential logging and observability to support performance evaluation and troubleshooting.

Your qualifications

• Hands-on experience with LangChain, LangGraph, and AWS services.
• Expertise in API design, system architecture, and backend development.
• Experience in collaborating with frontend and DevOps teams to build integrated solutions.
• Strong focus on testing, quality assurance, and system reliability.
• Expert in AI/ML concepts, vector databases, and DevOps best practices.
• Advanced English, as all our teams are distributed globally and we use English for all internal communications.

What can we offer you

We believe in pushing boundaries and embracing challenges. Whether it’s exploring new tools, improving processes, or taking on uncharted projects, we support a culture of curiosity and innovation where learning never stops.

Join a global team that celebrates diversity and thrives on collaboration. With team members from all over the world, we bring together unique perspectives, ideas, and experiences to create meaningful impact and drive innovation.

No matter your background or field of study, you’ll find endless opportunities to learn, grow, and contribute. Our open, transparent environment encourages the exchange of ideas, helping you unlock your full potential.

Career growth in an early-stage startup

Be part of a fast-growing startup with global ambitions. As we scale, so will your opportunities to take on more responsibility, shape our success, and advance your career.

We value your contributions and offer a competitive economic package to match your impact.

Diversity & Inclusion

We are committed to fostering an inclusive and equitable workplace where diverse perspectives and backgrounds are welcomed and celebrated. We are an equal opportunity employer and are dedicated to ensuring a hiring process free from discrimination based on race, ethnicity, gender, age, disability, religion, sexual orientation, or any other characteristic protected by law. Our mission is to create a workplace where everyone feels valued, supported, and empowered to achieve their full potential.