Top Tech Jobs & Startup Jobs in Lisbon

Design, build, and maintain scalable infrastructure, automation tools, and services supporting Cloudflare’s global network. Improve network resilience, reduce operational toil, automate infrastructure and CI/CD workflows, and develop reliable distributed systems. Use observability tools, AI assistants, and configuration management frameworks to streamline engineering operations. Collaborate with network automation engineers and manage internal or external customer requirements.

Leads software, data, platform engineering, and data science teams supporting Mastercard Marketing Services. Responsibilities include people development, technical architecture, cloud modernization, delivery management, platform reliability, incident management, security compliance, and stakeholder alignment. The manager drives scalable and resilient platforms, Agile execution, automation, observability, operational excellence, engineering quality, and talent growth.

Own end-to-end accounts payable: validate, code, approve, post invoices and manage payment runs. Reconcile supplier accounts, support month-end close and reporting, manage supplier and stakeholder escalations, train junior staff, and lead process-improvement and automation initiatives within Finance Shared Services.

Evaluate and improve application security architecture, processes, tools, and documentation. Conduct security design reviews, code reviews, threat modeling, and security testing for applications, AI systems, LLM applications, and AI agents. Identify vulnerabilities and architecture gaps, collaborate with development and product teams on remediation, implement security best practices, and assist with security incident response.

Build and improve production machine learning and generative AI capabilities, services, and pipelines. Collaborate with data scientists, product managers, and engineers to ship ML features, optimize workflows, reduce technical debt, and support model exploration, training, and deployment. The role requires Python software development, data modeling, ETL, unstructured data processing, cloud infrastructure, and potentially Kubernetes-based ML services.

Lead design and delivery of shared observability data platform capabilities to reduce developer friction, improve operational visibility, enable cost intelligence, and build reusable services. Drive architecture and technical leadership across teams, mentor engineers, contribute code, develop operational and self-service tooling, and participate in on-call rotation to improve platform reliability and developer experience.

Manage office administrative operations and front-desk reception; enforce security protocols; coordinate vendors, events, internal communications, and local culture initiatives; partner with People, Inclusion, IT, legal, and executive teams; streamline local processes and support branding and office projects.

Provide out-of-hours business travel support through chat, phone, and email. Handle air, rail, hotel, and car bookings; assess urgent customer needs; resolve issues; guide users through Navan self-service tools; meet service-level and performance targets; maintain supplier and system knowledge; follow global policies; and share feedback with internal product and operations teams.

Leads AI, automation, process redesign, and operational tooling initiatives for Customer Experience. Builds AI agents, intelligent workflows, integrations, reporting, and automations across Zendesk and other SaaS platforms. Identifies bottlenecks, improves knowledge management and support processes, drives AI adoption, and partners cross-functionally to improve CX KPIs, efficiency, service quality, and scalability while supporting daily delivery operations.

The Business Development Representative is responsible for generating qualified leads and pipeline through prospecting and outreach, collaborating with multiple teams to achieve sales targets.