Senior Node.js/TypeScript Engineer - AI-driven, Secure & Scalable

Goodweek; Madrid; On-site; EUR 55,000 - 85,000; Full time

Benefits offered by this job

Health insurance

Job summary

Goodweek is seeking a talented Software Engineer to join our Engineering team and help us build an innovative product that enhances productivity for thousands of users. You will design, develop, and maintain scalable features in a secure, reliable system.

You will collaborate with product, engineering, and DevOps across teams in France, Spain, and the US to drive architecture decisions, implement robust backend services with Node.js and TypeScript, and ensure high performance.

Qualifications

• 5+ years with Node.js/TypeScript stack (NestJS/React).
• Strong knowledge of backend scalability and security.
• Experience with databases, authentication, and cloud platforms.
• Familiar with CI/CD and Git workflows in agile teams.
• Bonus: AI/ML development experience (LLMs, RAG).
• Strong technical communication and agile mindset.
• Ability to document architectural decisions and balance quality with speed.

Responsibilities

• Design, develop, and maintain the digital product with scalability and security.
• Build, test, and deploy new features in agile cycles.
• Contribute to architecture and tech stack decisions.
• Ensure code quality, performance, and security.
• Troubleshoot and resolve technical issues.
• Document and share technical knowledge.
• Collaborate with product, engineering, and DevOps teams.

Skills

Node.js + TypeScript

Backend architecture

Security best practices

Cloud platforms

Agile methodologies

Technical communication

AI/ML familiarity

Architectural decisions

Delivery speed vs quality

Tools

CI/CD

Git workflows

NestJS

React

Job description

Goodweek is seeking a talented Software Engineer to join our Engineering team and help us build an innovative product that enhances productivity for thousands of users. You will design, develop, and maintain scalable features in a secure, reliable system.

You will collaborate with product, engineering, and DevOps across teams in France, Spain, and the US to drive architecture decisions, implement robust backend services with Node.js and TypeScript, and ensure high performance.