Top Tech Jobs & Startup Jobs in Krakow

Lead security engineering across web apps, APIs, cloud (AWS/OCI), Kubernetes, and on-prem systems. Build CI/CD security, secure genomic and PHI/PII pipelines (HIPAA), run monitoring and incident response, prepare for HIPAA/SOC2/ISO27001 audits, perform pentesting/vulnerability discovery, improve logging/SIEM, and drive remediation with engineering and DevOps while raising company-wide security awareness.

Tier-3 technical escalation specialist for Microsoft 365 Collaboration (Teams, Exchange, SharePoint, OneDrive). Resolve complex incidents, perform root-cause analysis, administer tenant and identity configurations (Entra ID), and ensure security, compliance, and service quality within an ITIL operational model.

Perform protocol-focused security research to prevent vulnerabilities on Ethereum mainnet. Tasks include AI-assisted analysis, fuzzing, manual review, reviewing hardforks and spec changes, improving security tooling and automation, coordinating disclosures, and supporting audits and audit competitions while collaborating with devops, specifications authors, and client implementers.

Define and execute the product roadmap for AI-driven blockchain security monitoring tools. Collaborate with cross-functional teams, analyze market and customer feedback, deliver features on time, and communicate with stakeholders to align expectations and improve product offerings.

Design, build and operate ScorePlay's multi-region AWS platform at petabyte scale. Own Kubernetes/Terraform/Terragrunt/Helm infrastructure, Kafka event streaming, storage economics, developer self-service tooling, security/SOC2 readiness, on-call incident response, and cost-optimized multi-cloud/Bring Your Own Storage architectures.

Hands-on security engineering role to design, build, and automate detection and protection tooling. Responsibilities include risk assessments, vulnerability scanning, incident response, security architecture (firewalls, IDS, encryption), integrating security into development, automation of security operations, audits/compliance, and documentation.

Own and optimize the Apps product development lifecycle, embed tooling and AI to enable product teams, define KPI frameworks, drive commercialization and cross-functional alignment, and design training to raise product practice maturity and outcomes.

Design, build, and operate access experience services and developer-facing APIs/SDKs for Netflix's access control platform. Own system design, partner integration, rollout, and maintenance while ensuring secure, scalable, high-availability access tooling across global teams.

Support an international B2B marketing team by executing and monitoring digital campaigns, creating and adapting marketing content, organizing webinars and events, conducting market and competitor research, coordinating campaign assets, and collaborating with cross-country colleagues to drive demand generation and communications.

Owner of churn analysis and retention for multiple DTC brands: research churn drivers, map customer journeys, run experiments (CRO, lifecycle flows, win-backs), build automations, use AI to surface insights, and track impact to improve onboarding and long-term retention.