Senior Backend Developer

madrid, comunidad de madrid, Spain • Posted June 04, 2026

Job Type: Full-time
Location: madrid, comunidad de madrid
Posted: June 04, 2026
Category: Informática y tecnología
Application Deadline: July 14, 2026

Role Description

Overview

At TripleTen, we’re creating innovative learning products that empower people to master IT professions like software engineering, data science, business intelligence, and QA — no matter their prior experience. Our AI-driven and thoughtfully designed platform helps students build real skills and access meaningful career opportunities. We're passionate about making education accessible, engaging, and empowering for everyone.

The Tech Stack

  • Core: Python 3.x (FastAPI)
  • Data & Messaging: Postgres, Kafka
  • Infrastructure: AWS, Kubernetes, Helm
  • CI/CD: GitLab CI
  • Patterns: DDD, Onion Architecture

What You Will Do

  • Architect & Build: Design and maintain high-performance server-side applications with a focus on multitenancy and IAM.
  • Product Partnership: Share end-to-end ownership of the product lifecycle with your Product Manager — from initial discovery and requirement s...

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