Qureos

FIND_THE_RIGHTJOB.

Senior Backend Engineer

Istanbul, Turkey

  • Lead backend architecture & design for our web app and data pipelines.
  • Build scalable APIs and services for handling large-scale video & metadata.
  • Design and optimize databases (SQL/NoSQL, distributed storage) for high throughput.
  • Collaborate with AI/ML engineers to integrate computer vision pipelines into production.
  • Work with blockchain developers to support token, wallet, and reward integrations.
  • Own DevOps (cloud infra, CI/CD, monitoring) to ensure system reliability.
  • Mentor junior engineers and establish engineering best practices.
  • Shape the technical roadmap and make key architectural decisions.

Requirements

  • 5+ years of backend engineering experience with production system ownership.
  • Strong expertise in Python or Node.js (bonus: both).
  • Deep knowledge of databases (Postgres, MongoDB, or equivalents) and experience with large-scale data management.
  • Familiarity with data-heavy applications (video pipelines, ML datasets, or real-time systems).
  • Comfortable with cloud infra (AWS/GCP), containers (Docker/K8s), and CI/CD pipelines.
  • Understanding of AI/ML workflows (model training, inference, data preprocessing).
  • Strong interest in crypto (tokens, smart contracts, wallets) and computer vision — willing to learn fast.
  • Problem-solving mindset with leadership ambition.

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