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# Senior Ai Full Stack Engineer

- **Company:** Hyphen Connect
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Software Quality, Databases, Data Architecture, Cursor, DevOps, Python (Programming Language), Query Optimization, Queueing Systems, Redis, Cloud Services, Standard Sql, Software Engineering, SQL Databases, Systems Integration, TypeScript, Web Applications, Web Application Frameworks, WebSocket, AWS Cdk, Modern Ui, ReactJS, Large Language Models, Backend, Kotlin, Event Driven Architecture, Real Time Data, Apache Kafka, Front End Software Development, Amazon Simple Queue Service (SQS), Terraform, Microservices
- **Published:** September 28, 2026
- **Apply:** https://www.buscojobs.com.es/senior-ai-full-stack-engineer-en-madrid-ID-372373745

## About the Role

Experience building or integrating custom LLM chains, agentic frameworks, or RAG pipelines.
Knowledge of web sockets, event-driven architectures, or queueing systems (e.g., Kafka, Redis, SQS).
Experience with Infrastructure as Code (e.g., Terraform, AWS CDK).
#J-*****-Ljbffr

## Description

We are hiring for a health-tech company.We are seeking an experiencedSenior AI Full Stack Engineerto take end-to-end production ownership of complex web applications.You will build and scale high-throughput systems, architect reliable databases for real-time workflows, and leverage modern AI engineering workflows to accelerate product delivery without sacrificing code quality or system reliability.Key ResponsibilitiesProduction Ownership:Design, architect, ship, and maintain scalable web applications and distributed backend microservices.Full-Stack Development:Build modern, accessible user interfaces paired with robust, performant APIs and background workers.Data Architecture:Design complex SQL schemas, write efficient queries, and optimize databases for real-time data ingestion and transactional consistency.Infrastructure & Ops:Deploy, monitor, and maintain cloud services on AWS or GCP using CI/CD pipelines and infrastructure best practices.AI-Augmented Engineering:Systematically integrate AI tools into your daily development workflow-maximizing velocity while applying rigorous verification to ensure system safety and accuracy.Qualifications5+ yearsof professional software engineering experience owning production web applications end-to-end.Frontend:Strong expertise inTypeScriptand modern UI frameworks ( React preferred ).Backend:Advanced proficiency in at least one backend ecosystem:Java/Kotlin ,Python , orGo .Databases:Strong SQL proficiency and deep experience with schema design for complex, real-time workflows.Cloud & DevOps:Demonstrated experience deploying and operating applications onAWSorGCP .AI Tool Fluency:Daily, critical usage of modern AI coding assistants (e.g., Copilot, Cursor, Claude Code).You know precisely where LLMs excel, where they hallucinate or fall short, and how to verify, test, and refine generated code.Nice-to-HavesExperience building or integrating custom LLM chains, agentic frameworks, or RAG pipelines.Knowledge of web sockets, event-driven architectures, or queueing systems (e.g., Kafka, Redis, SQS).Experience with Infrastructure as Code (e.g., Terraform, AWS CDK).#J-*****-Ljbffr


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