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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Node.Js/Postgresql Engineer With Ai For Financial Institutions - **Company:** Realdayeye - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Amazon Web Services, Microsoft Azure, Software as a Service, Cloud Computing, Data Integrity, Data Mining, Relational Databases, PostgreSQL, Node.Js, Parsing, Query Optimization, Azure Machine Learning, Web Application Frameworks, Cloud Platform System, ReactJS, System Availability, Indexer, Backend, Vue.js, Containerization, Graphql, Front End Software Development, Api Design, Restful APIs, Automation Anywhere, Docker - **Published:** September 16, 2026 - **Apply:** https://www.buscojobs.com.es/full-stack-node-js-postgresql-engineer-with-ai-for-financial-institutions-en-madrid-ID-370545899 ## About the Role Strong backend engineering skills with Node.js, including experience building APIs, handling authentication/authorization, and working with asynchronous patterns. Proficiency with relational databases, especially PostgreSQL, including schema design, query optimization, indexing, and data integrity best practices. Experience with frontend development using modern JavaScript frameworks (e.g., React, Vue, or similar) and building responsive, user-friendly interfaces. Hands?on experience integrating AI/ML services or document AI workflows (e.g., OCR, data extraction, validation pipelines) into production systems. Knowledge of cloud platforms (such as AWS, Azure, or GCP), containerization (Docker), and CI/CD pipelines for deploying and maintaining SaaS applications. Familiarity with security, data privacy, and compliance considerations in financial or highly regulated domains, including auditability and traceability. Comfort working in hybrid #J-*****-Ljbffr ## Description Company DescriptionRealDayEye is an AI-focused company that helps businesses improve efficiency, decision?making, and customer experience by embedding artificial intelligence into everyday operations in a practical and measurable way.The company builds intelligent, cloud?based platforms that automate complex, document?intensive workflows, with a strong focus on regulatory compliance and income verification in highly regulated sectors such as U.S. real estate.Its platform combines document AI (OCR, parsing, structured data extraction) with a configurable rules engine to process, validate, and audit large volumes of documentation while reducing manual work and human error.Delivered as a multi?tenant SaaS solution, the system supports end-to-end workflows, including document ingestion, AI?driven data extraction, rule evaluation, human?in?the?loop validation, and audit?ready analytics.Early prototypes have been validated by major institutional real estate firms, demonstrating strong market demand for RealDayEye's automation and compliance solutions.Role DescriptionThis is a full?time hybrid role based in Badalona, with flexibility for partial work from home.The Full Stack Node.js/PostgreSQL Engineer with AI for Financial Institutions will design, develop, and maintain scalable backend and frontend services that power RealDayEye's AI?driven platforms for financial institutions and regulated environments.Day?to?day responsibilities include building and optimizing RESTful and/or GraphQL APIs in Node.js, designing robust PostgreSQL schemas and queries, and integrating AI components such as document processing and rules engines into production workflows.The engineer will collaborate with product, AI, and compliance teams to translate complex regulatory requirements into reliable technical solutions, improve system performance, security, and observability, and ensure high availability in a multi?tenant SaaS architecture.The role also involves writing clean, testable code, reviewing peer contributions, participating in architecture discussions, and supporting deployment and monitoring in cloud environments.QualificationsStrong backend engineering skills with Node.js, including experience building APIs, handling authentication/authorization, and working with asynchronous patterns.Proficiency with relational databases, especially PostgreSQL, including schema design, query optimization, indexing, and data integrity best practices.Experience with frontend development using modern JavaScript frameworks (e.g., React, Vue, or similar) and building responsive, user-friendly interfaces.Hands?on experience integrating AI/ML services or document AI workflows (e.g., OCR, data extraction, validation pipelines) into production systems.Knowledge of cloud platforms (such as AWS, Azure, or GCP), containerization (Docker), and CI/CD pipelines for deploying and maintaining SaaS applications.Familiarity with security, data privacy, and compliance considerations in financial or highly regulated domains, including auditability and traceability.Comfort working in hybrid#J-*****-Ljbffr ## Related Videos - [Lessons learned from building a thriving Vue.js SaaS application](https://www.wearedevelopers.com/videos/1666-lessons-learned-from-building-a-thriving-vue-js-saas-application) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library) - [Postgres in the Age of AI (and Devin)](https://www.wearedevelopers.com/videos/1042-postgres-in-the-age-of-ai-and-devin) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) - [Shipping Faster with Less: Render on Cloud Hosting, AI Workloads, and the Future of DevOps](https://www.wearedevelopers.com/videos/1894-shipping-faster-with-less-render-on-cloud-hosting-ai-workloads-and-the-future-of-devops) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Dev Digest 137 - AI'm not sure about this](https://www.wearedevelopers.com/magazine/485-dev-digest-137-ai-m-not-sure-about-this) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer)