Senior Backend Engineer - Node.js/TypeScript, Hybrid Madrid

Senior Backend Engineer (Full-Stack Integration) – Sustainable Tech Unicorn; Madrid; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Hybrid Model: 3 days office / 2 days”/

Competitive salary + monthly benefits

Job summary

German Sustainable Tech Unicorn in Madrid seeks a Senior Backend Engineer to own features from database to UI, bridging ESG data to end users. You will design robust microservices and serverless functions in Node.js/TypeScript, ensuring seamless data presentation for stakeholders.

The role emphasizes data-driven decision making, collaboration with frontend teams, and delivering scalable solutions in a fast-growing, high-impact environment.

Qualifications

• 6+ years of experience with Node.js and TypeScript.
• Backend engineer with pragmatic full-stack ability including React.js.
• Experience with AWS Serverless, event-driven architectures, and SQL/NoSQL databases.

Responsibilities

• Architect, develop, and maintain high-performance microservices and serverless functions (Node.js/TypeScript).
• Take responsibility for vertical slices of the product, including schema design and frontend integration with React hooks/components.

Skills

Node.js

TypeScript

React.js

API design

Distributed systems

Asynchronous patterns

SQL/NoSQL databases

AWS (Serverless)

Tools

AWS (Serverless)

React hooks/components

Job description

German Sustainable Tech Unicorn in Madrid seeks a Senior Backend Engineer to own features from database to UI, bridging ESG data to end users. You will design robust microservices and serverless functions in Node.js/TypeScript, ensuring seamless data presentation for stakeholders.

The role emphasizes data-driven decision making, collaboration with frontend teams, and delivering scalable solutions in a fast-growing, high-impact environment.