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Senior Cloud Backend Engineer
  • Warsaw
Senior Cloud Backend Engineer
Warszawa, Warsaw, Masovian Voivodeship, Polska
SQUARE ONE RESOURCES sp. z o.o.
6. 7. 2025
Informacje o stanowisku

technologies-expected :


  • AWS
  • API
  • ETL

about-project :


  • We are looking for a Senior Cloud Backend Engineer to join an exciting, high-impact project for a global leader in the sportswear industry.

responsibilities :


  • AWS Lambda (provisioned-concurrency, SnapStart),
  • API Gateway (REST + WebSocket), ECS Fargate, CloudFront, Cognito federation
  • Time-series & relational data - designing schemas and retention policies in Amazon
  • ETL pipelines that land raw sensor blobs in S3 and publish Parquet/TFRecord “ML-ready” sets (Glue + Athena)
  • WebSocket (API Gateway) fan-out, device-command queues, signed firmware delivery, staged roll-back logic
  • Implementing field-level encryption with KMS, IAM least-privilege, WAF
  • Building GDPR/CCPA compliant solutions, consent receipt storage, data-minimisation life-cycles
  • Structured logging (JSON), CloudWatch/X-Ray tracing, metric alarms, cost-allocation tagging and Cost Explorer dashboards.
  • Load-testing & provisioned-capacity right-sizing
  • Terraform (modules, workspaces) and GitLab CI/CD
  • Secret rotation, SBOM generation, automated policy checks
  • TypeScript/Node.js (NestJS, Next.js)
  • English fluent

requirements-expected :


  • Experience with AWS Lambda
  • Amazon API Gateway
  • Experience designing ETL pipelines for processing sensor data

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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