Expert Backend Engineer for High-Load Systems

1 day ago

Remote Warszawa, Czech Republic beBeeDataDriven Full time €60,000 - €85,000
High-Performance Data-Driven Platform Developer

This is an opportunity to work on a large-scale project that focuses on building and maintaining high-performance data-driven platforms.

Key Responsibilities:
  • Design and implement scalable backend services using Python 3.x
  • Develop secure REST APIs with FastAPI and Pydantic
  • Optimize SQL queries and design efficient data models in BigQuery
  • Build and maintain ETL pipelines with Airflow
  • Integrate and manage solutions within GCP services like Pub/Sub, Cloud Functions, and Cloud Storage
  • Ensure cost-effective cloud resource usage through monitoring and tuning
  • Collaborate with teams to define technical designs, runbooks, and RFCs
  • Implement robust authentication, authorization, and security practices
  • Handle system design challenges such as throughput and backpressure
  • Support CI/CD pipelines and automation with Cloud Build or equivalent tools
Required Skills and Qualifications:
  • 7+ years of professional software engineering experience
  • 4+ years of production experience with Python 3.x
  • Strong knowledge of FastAPI, Pydantic, asynchronous programming, SQL, data modeling, and BigQuery optimization
  • Proven expertise in GCP services (Pub/Sub, Cloud Functions, Cloud Storage, IAM)
  • Track record designing and operating high-load distributed systems
  • Experience with ETL processes and orchestration tools like Airflow
  • Familiarity with CI/CD pipelines and automation practices
  • Excellent communication and ownership skills in cross-functional environments
  • Strong focus on security best practices and data protection
Nice-to-Have Skills:
  • File parsing at scale (CSV/Excel/XML), schema evolution/versioning
  • Data quality frameworks (assertions, expectations), dbt/Dataform familiarity
  • Event-driven or streaming backgrounds; Beam/Dataflow experience
  • Concurrency/performance profiling in Python (asyncio, multiprocessing)
  • IaC (Terraform), SRE practices

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