CareerPlan

Senior Backend Engineer (Python)

Berlin, BERLINFull-time2026-09-22 → 2026-10-21
Hybrid

Core

Drive the technological evolution of cloud and AI systems, focusing on AWS backend architecture, performance optimization, and quality assurance.

Role type

Senior Backend Engineer (Python)

Builds

Cloud-native data analytics software and AI technologies

Domain

Cloud infrastructure and data analytics

Deliverable

production ML models

Required skills

Python, FastAPI/Django/Flask, AWS (Lambda, Boto3), PostgreSQL, DynamoDB, TypeScript/JavaScript, GitHub Actions, Testing strategies (unit, integration, E2E)

Preferred skills

Experience transitioning to AWS, Design patterns, Performance optimization

Technologies

AWS, Lambda, PostgreSQL, DynamoDB, FastAPI, Django, Flask, TypeScript, JavaScript, Boto3, GitHub Actions, Poetry, Confluence

Responsibilities

Develop and optimize AWS backend architecture using modern frameworks; Optimize database and system performance/scalability; Implement and champion modern testing strategies and documentation standards; Maintain interaction between cloud products, account systems, and desktop software; Collaborate with Frontend, AI, QA, Product, and Design teams in an agile environment.