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Senior Backend Engineer (SaaS)
  • Warsaw
Senior Backend Engineer (SaaS)
Warszawa, Warsaw, Masovian Voivodeship, Polska
Cyclad
18. 9. 2025
Informacje o stanowisku

about-project :


  • In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking a Senior Backend Engineer to join our client. We are reinventing how modern security analytics can run entirely on-premises—even in air-gapped environments. Our new SaaS+ offering will deliver the speed and agility of the cloud with the control demanded by government, defense, finance, and critical infrastructure.
  • As a Senior Back-End Engineer, you will design and build the backbone of SaaS+
  • Project information:
  • Work Setup: 100% Remote work (EU based)
  • Rate: 1300 PLN/net/day + VAT (B2B contract)
  • Languages: English (B2+ Required)
  • Start date: ASAP/ depending on candidate availability

responsibilities :


  • Deployment & Lifecycle - Offline-capable installer, one-click upgrades, rollback
  • orchestration, schema/data migrations
  • Update Server - Unified delivery system for both software updates and detection content (CTI, AI models, rules), with signed offline bundles, staged rollouts, and compatibility checks
  • Security & Integrity - Signed artifacts, SBOM publishing, per-customer watermarking, and tamper detection
  • Observability & Supportability - Local dashboards, health checks, backup/restore tooling, and a Debug Toolkit that enables customer self-resolution of most issues.

requirements-expected :


  • Strong experience with Python and cloud-native architectures
  • Hands-on work with on-premise and/or air-gapped software deployments
  • Deep understanding of secure software supply chains (signing, SBOMs, artifact verification)
  • Passion for solving hard lifecycle problems: version drift, upgrades, rollback, and offline licensing

offered :


  • Full-time job agreement based on B2B
  • Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible
  • Multisport card (also for an accompanying person)
  • Life insurance

benefits :


  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of professional training & courses
  • life insurance
  • flexible working time
  • integration events
  • dental care
  • employee referral program

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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