• Define and execute the platform engineering strategy across cloud infrastructure, ensuring alignment with business objectives and compliance requirements. • Oversee cloud infrastructure operations across a multi-cloud environment (Azure, AWS, GCP). • Lead infrastructure evolution initiatives to improve availability, reduce costs, and enhance platform scalability. • Drive infrastructure cost optimization through continuous analysis, rightsizing, and efficient resource utilization. • Champion modern engineering practices including GitOps, Infrastructure as Code (Terraform), and Policy as Code across the organization. • Oversee Kubernetes platform operations, ensuring robust container orchestration and deployment pipelines. • Lead DevOps initiatives encompassing CI/CD pipelines, developer experience, and engineering tooling. • Implement and maintain observability frameworks to ensure comprehensive monitoring, logging, and alerting. • Establish and lead incident management processes, serving as a key coordination point between product development, security, and operations teams. • Drive resilience testing and chaos engineering practices to proactively identify and address system vulnerabilities. • Define and track SLIs, SLOs, and error budgets to maintain platform reliability and inform engineering priorities. • Lead post-incident reviews and ensure continuous improvement through actionable follow-ups. • Implement rigorous change management processes to minimize risk and ensure stable production environments. • Partner with product development teams to plan and coordinate rollouts, balancing velocity with reliability. • Establish and maintain release management standards and deployment strategies (blue-green, canary, feature flags). • Lead and mentor a globally distributed team across DevOps, SRE, Database Operations, and Incident Management functions. • Manage relationships with cloud providers and service vendors, including coordination of incident reviews and service quality meetings. • Build a culture of operational excellence, continuous learning, and knowledge sharing across time zones. • Ensure infrastructure operations maintain compliance with SOC2 and ISO 27001 standards. • Support FedRAMP readiness initiatives in collaboration with security and compliance teams. • Partner with the security organization to implement infrastructure security controls and audit requirements.

• Define, implement, and maintain standardized SDLC and DevSecOps frameworks across engineering and software development teams • Govern and continuously improve enterprise development toolchains, including GitHub Enterprise, CI/CD pipelines, and Infrastructure-as-Code platforms such as Terraform and Pulumi • Design, build, and maintain reusable AI code libraries and modular components to accelerate software delivery • Embed security, compliance, and quality controls throughout the development lifecycle using automated testing, code reviews, and version control practices • Partner with IT and Digital Enablement teams to align infrastructure, licensing, and cybersecurity standards with platform requirements • Develop and maintain documentation, training materials, and enablement programs to support adoption across teams • Collaborate with project managers, consulting leaders, and delivery teams to align platform standards with project execution • Track and report key performance indicators related to platform adoption, deployment velocity, code reuse, and compliance • Lead continuous improvement initiatives to enhance scalability, reliability, and engineering efficiency • Research and evaluate emerging technologies, including AI-assisted development tools and automation frameworks • Mentor and guide technical staff within platform engineering

• Design, develop, and maintain the services and frameworks that product teams depend on • Work hands-on with technologies like React and Webpack to build highly resilient, scalable systems; from real-time server-to-client data infrastructure to shared frontend services • Contribute to architectural decision and technical strategy for the platform that drives the look and feel of our frontend • Provide guidance to engineers across the organization, share your expertise in frontend platform systems, and help establish patterns and practices that raise the bar for engineering excellence • Own and contribute to significant projects from concept to production • Deliver high impact solutions with quality and reliability at the forefront • Partner with product managers, designers, and engineering teams across Calendly to translate their needs into robust platform solutions • Ensure reliability and performance of platform services through thoughtful monitoring, testing, and incident response • Participate in on-call rotation to support business-critical systems and drive continuous improvement based on operational learnings.

• Zdefiniowaniu docelowej architektury platformy (API-first, contract-based design) • Projektowaniu i wdrożeniu modelu zarządzania lifecycle infrastruktury • Ustanowieniu standardów integracyjnych pomiędzy usługami (compute, storage, bazy danych, eventing) • Zaprojektowaniu podejścia do Infrastructure as Code i automatyzacji na poziomie enterprise • Wbudowaniu observability i telemetry jako obowiązkowego elementu kontraktu platformowego • Zaprojektowaniu mechanizmów inventory oraz reconciliation (Discovery/Inventory/Telemetry) • Zapewnieniu spójności architektonicznej w złożonym środowisku technologicznym • Pełnieniu roli technicznego autorytetu w rozmowach z architektami, zespołami domenowymi i operacyjnymi