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# Senior full-stack developer

- **Company:** Haystack People
- **Location:** Rotterdam, Netherlands (Remote available)
- **Experience:** Expert
- **Salary:** €7,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Amazon Web Services, Microsoft Azure, Software Quality, Databases, Continuous Integration, Cursor (Graphical User Interface Elements), Database Design, Programming Tools, Mobile Application Software, Node.Js, NoSQL, Software Tools, Software Deployment, Software Engineering, SQL Databases, TypeScript, ReactJS, Backend, Build Management, React Native, Restful APIs, Docker
- **Published:** July 17, 2026
- **Apply:** https://nl.indeed.com/viewjob?jk=3f253aaa8689e5f0

## About the Role

* 4+ years of professional software engineering experience
 * Strong experience with Node.js and TypeScript (or another modern backend language)
 * Proven experience building and deploying applications end-to-end
 * Experience designing scalable APIs and database architectures
 * Hands-on experience with AI agents, autonomous coding workflows or custom AI tooling
 * Strong ownership mentality and excellent communication skills
 * Fluent in English

Tech Stack

 * TypeScript
 * Node.js
 * React
 * React Native
 * SQL & NoSQL
 * REST APIs
 * Docker
 * AWS, Azure or GCP
 * CI/CD
 * AI coding platforms such as Cursor, Claude Code and Codex

Experience with regulated environments such as Healthcare or FinTech is considered a strong advantage.

## Description

As a Senior Full Stack Engineer, you'll take ownership of the core platform powering both the web and mobile applications. From architecture and database design to deployment and monitoring, you'll be involved throughout the entire software development lifecycle.

One of the key aspects of this role is AI-native software development. Besides using AI coding assistants, you'll help improve engineering productivity by building AI agents, custom workflows, plugins and internal developer tooling., * Design and build scalable backend services using Node.js & TypeScript

 * Develop robust APIs used by both web and mobile applications
 * Design scalable databases and maintain data integrity
 * Build software end-to-end, from architecture through production deployment
 * Integrate third-party platforms and external services
 * Develop AI agents, custom workflows and internal engineering tools
 * Improve software quality, scalability and performance
 * Help shape the technical direction of the engineering team


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