Top Tech Jobs & Startup Jobs in Poland

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.

Lead IT Security Systems Engineer responsible for designing and implementing authentication, PKI, and encryption solutions; securing Oracle databases and UNIX platforms (RHEL, Solaris, AIX); troubleshooting across application and network layers; developing on UNIX using Java, Perl, and shell; and collaborating with stakeholders.

Lead and perform application and cloud penetration testing and red team operations, drive adoption of AI-assisted testing, liaise with engineering and leadership to prioritize and validate remediation, mentor security engineers, and develop enterprise offensive security standards, playbooks, and executive reporting.

Detect, analyze, and respond to security incidents; develop and tune SIEM detection logic; harden Linux systems; monitor network traffic and endpoints; produce security documentation, playbooks, and threat models; participate in risk management and cross-team collaboration.

Serve as trusted advisor to academic customers in French-speaking markets, drive adoption and demand for Elsevier e-solutions, generate sales opportunities, manage onboarding and implementation, deliver in-person and online training, and collect customer feedback for Product, Content, Marketing, and Sales teams.

Join the Customer Data Platform team to deliver production services via Claude Code, own event pipelines, Elasticsearch query/search, sandboxed customer logic, Kafka-backed systems, PostgreSQL-backed services, Kubernetes/Helm/GitOps deployments, coordinate cross-team integrations, scope epics, run on-call rotations, and drive platform custodianship including dependency and CVE migrations.

Maintain and support global production and corporate network infrastructure (edge, backbone, datacenter, POP, CDN). Install, configure, and troubleshoot routers, switches, firewalls, VPNs, and related services. Perform maintenance/upgrades, work with ISPs/vendors, assist with hardware/software issues, and respond to incidents and outages.

Develop and execute test scenarios and cases for AI solutions; verify software meets specifications; create technical documentation and reports; analyze defect root causes; collaborate with development teams to improve quality; create datasets (audio/JSON) and perform basic scripting. Test automation experience is a plus.

Manage and develop Accor's Owners insurance program across Europe & North Africa: oversee renewals, claims, premiums, local policies, loss prevention, contractual reviews, broker/insurer relationships, market benchmarking, and process improvements to ensure profitable, compliant coverage.