Fullstack Engineer (Node.js)

Posted Yesterday
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Madrid, Comunidad de Madrid, ESP
Hybrid
Senior level
Artificial Intelligence • Enterprise Web • Productivity • Software
The Role
Design, develop, test, deploy, and maintain a secure, scalable digital product. Responsibilities include building maintainable components, contributing to architecture and technology decisions, ensuring performance and code quality, troubleshooting technical issues, documenting technical knowledge, and collaborating with product, engineering, and DevOps teams in agile cycles.
Summary Generated by Built In
At Goodweek, we're building a next-generation AI tool designed to revolutionize business productivity. We are focusing on delivering a secure, scalable, and reliable system that supports real business use cases across different departments. The goal is to make AI practical, controlled, and truly embedded in how modern organizations operate.
Our team spans across France, Spain, and the United States, and our vision is backed by 6 international investment funds.
To accelerate our growth, we're looking for a talented Software Engineer to join our Engineering team and help us build an innovative product that will make a real impact on how thousands of users work every day.
Tasks
You'll design, develop, and maintain our digital product, ensuring scalability, performance, and security while delivering features that truly meet business and client needs.
More specifically, you will:
* Develop components with clean, maintainable code
* Build, test, and deploy new functionalities in agile cycles
* Participate in architecture and tech stack decisions
* Ensure code quality, performance, and security
* Troubleshoot and resolve technical issues
* Document and share technical knowledge
* Collaborate closely with product, engineering, and DevOps teams to build innovative solutions.
Requirements
Technical background
* 5+ years of experience with Node.js + TypeScript stack (NestJS/React)
* Solid understanding of backend architecture, scalability, and security best practices
* Experience with databases, authentication, and cloud platforms
* Familiar with CI/CD, Git workflows, and agile methodologies
* Bonus: strong familiarity with AI/ML development (LLMs, RAG, or similar)
Soft skills
* Strong technical communication
* Agile mindset focused on product and business value
* Ability to document architectural decisions
* Balance between code quality and delivery speed
Technical English required
Benefits
* Health insurance provided by the employer
* Flexible working hours
* Hybrid remote work
* Daily use of English through close collaboration with teams in the US and France

Skills Required

  • 5+ years of experience with Node.js and TypeScript, including NestJS and React
  • Strong understanding of backend architecture, scalability, and security best practices
  • Experience with databases, authentication, and cloud platforms
  • Familiarity with CI/CD, Git workflows, and agile methodologies
  • Strong technical communication skills
  • Ability to document architectural decisions
  • Technical English proficiency
  • Familiarity with AI/ML development, including LLMs or RAG
Am I A Good Fit?
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The Company
40 Employees

What We Do

Goodweek is an AI management platform that provides businesses and partners with a secure, centralized place for every AI model. The platform enables organizations to deploy governed AI across every team without needing to build infrastructure, ensuring data isolation and visibility. It is SOC 2 certified and GDPR compliant, focusing on reducing friction for teams while stopping corporate data leakage.

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