Top Tech Jobs & Startup Jobs in Portugal

Supports Cloudflare’s Infrastructure Strategy team by managing workflows, operational trackers, resource assignments, invoice reconciliation, contract processing, Jira project tracking, purchase orders, partner onboarding, and forecasting capabilities. The role coordinates network infrastructure operations and helps maintain accurate data across multiple systems, requiring strong spreadsheet skills, organization, vendor-system experience, and practical problem-solving abilities.

Lead end-to-end product design for Circle’s AI-powered Discover marketplace. Own design direction, discovery and ranking experiences, trust signals, creator and consumer workflows, rapid AI-assisted prototyping, and shipped product outcomes. Mentor designers, collaborate closely with engineers and product leadership, and shape a two-sided marketplace experience in an ambiguous environment.

Lead Circle’s creative direction and brand narrative across launches, campaigns, advertising, video, events, partnerships, and other major company moments. Work closely with founders, design, product marketing, paid media, video, and events teams to create distinctive, high-performing storytelling. Shape creative concepts, scripts, copy, and experiences while raising quality through influence, collaboration, and strong creative judgment.

Own growth for Circle’s Discover marketplace by driving traffic, GMV, transactions, acquisition, engagement, and retention. Lead experimentation, lifecycle email programs, subscriber acquisition, SEO/AEO, creator success initiatives, funnel and cohort reporting, and growth strategy. Collaborate with product, paid media, data, brand, partnerships, leadership, and creators in a hands-on player-coach role.

Owns a portfolio of combined identity, fraud, advisory, and network product offerings from opportunity assessment through launch. Defines positioning, value propositions, target segments, sales motions, and enablement. Analyzes large datasets using Tableau and Power BI to size opportunities, track KPIs, and guide business cases. Develops market insight and thought leadership while securing alignment across product, consulting, sales, and regional teams in a complex matrixed organization.

Leads Mastercard’s digital customer success model, operationalizing scalable customer journeys across onboarding, adoption, value realization, retention, expansion readiness, and advocacy. Develops repeatable programs, playbooks, tooling, and reporting while partnering with Product, Analytics, Technology, Enablement, Sales, and regional Customer Success teams. Uses customer insights, usage data, automation, and analytics to improve outcomes, support change adoption, and drive consistent execution across large customer portfolios.

Drive product and business impact through statistical modeling, experiment design, Bayesian marketing analysis, machine learning, NLP, LLM applications, and classifier implementation. Build growth metrics, monitoring pipelines, evaluation datasets, and AI trigger systems across search and Duck.ai. Analyze privacy-constrained data, deploy production-grade models, optimize SQL queries, and lead complex projects from scoping through production with minimal direction.

Proactively supports business customers throughout their journey, ensuring successful onboarding, product adoption, issue resolution, retention, and growth. Handles calls, emails, and chats; manages complaints; identifies at-risk customers and expansion opportunities; maintains accurate records; and collaborates with sales and internal teams to improve customer experience and processes. Requires fluent Portuguese and English, strong communication, empathy, organization, commercial awareness, and prior experience in customer support, retention, sales, or similar roles.

Leads the strategy, delivery, scaling, governance, and adoption of agentic AI products across Pfizer’s regulated manufacturing network. Owns product roadmaps, agent lifecycles, evaluation frameworks, responsible AI controls, value realization, and stakeholder engagement. Partners with manufacturing, engineering, data, quality, cybersecurity, and site leadership teams to transform operational knowledge into intelligent digital products and scale successful capabilities globally.

Leads and develops a team of 4–8 library engineers building Datadog’s open-source APM SDK platform. Responsibilities include team coaching, delivery planning, technical architecture, software quality, cross-functional collaboration, platform capability development, and contributing code. The role requires strong engineering leadership, significant programming experience in Go, C, or Rust, and the ability to move between product strategy and technical implementation.

Own and improve global capacity models, forecasting, scheduling, shrinkage tracking, and hiring plans for a premium 24/7 support operation. Use Genesys Cloud, AI, automation, scripting, and custom algorithms to optimize synchronous and asynchronous workloads across regions. Validate models with dashboards and system outputs, configure workforce management systems, and communicate staffing recommendations to operations leaders and recruiting.

Designs and operates reusable AI capabilities, platforms, APIs, tools, agent infrastructure, RAG systems, evaluation frameworks, and guardrails. The role develops an internal MCP server, drives AI adoption, consults with cross-functional stakeholders, and owns projects from requirements through deployment and operations. It requires strong backend engineering, cloud experience, DevOps capability, product thinking, and organizational influence.

Design and build LLM-based autonomous security agents and self-healing remediation pipelines. Integrate AI-driven threat detection into CI/CD and GitOps workflows, automate vulnerability research, patching, and security orchestration across cloud-native infrastructure.