Top Tech Jobs & Startup Jobs in Portugal

Build production-grade AI agent capabilities, including Agent2Agent communication, MCP integrations, and multi-step agentic workflows. Design, implement, evaluate, deploy, and monitor agent features while improving reliability, latency, and cost at scale. Collaborate with product and engineering teams to translate customer experience needs into agent architectures and contribute to internal frameworks and tooling.

Provide accurate customer support through chat and email, troubleshooting product, account, payment, and general inquiries. Follow compliance and customer-protection procedures, work rotating shifts, document solutions, improve the knowledge base, and share customer feedback internally. The role requires strong English communication, corporate customer support experience, attention to detail, problem-solving ability, and in-office availability in Porto.

Supports students from onboarding through graduation by providing high-touch assistance, moderating live virtual sessions, answering program questions, monitoring learner progress, and removing blockers. Manages cohort logistics, resources, feedback collection, and Voice of the Customer reporting. The role also identifies workflow improvements, coordinates with technical teams, and helps optimize support systems and customer-facing processes.

Develop and maintain internal sales and client relationships for alternative investment products. Support private markets engagements, product campaigns, partner onboarding, client communications, and after-sales activities. Collaborate with CIO, research teams, fund managers, and external managers to create investment content and improve client experiences. Analyze product performance, client data, and capital-raising outcomes while helping position alternative investments for private clients.

Owns end-to-end onboarding, testing, validation, and troubleshooting for IoT and consumer devices, SIM/eSIM technologies, and cellular connectivity solutions. The role investigates interoperability issues using device, SIM, and network traces; develops verification plans and test cases; maintains an isolated lab; supports OTA and Remote SIM Provisioning; and collaborates with customers, vendors, product teams, and engineering.

Support pension consultants and clients across actuarial valuations, funding updates, accounting disclosures, transfer value reviews, de-risking and buyout projects, GMP equalisation, and actuarial reporting. The role includes reviewing junior colleagues’ work, contributing to process improvements, collaborating with consultants and client managers, and developing technical and client-facing expertise within a pensions consulting team.

Develop and support highly available, scalable microservices and cloud platform infrastructure for Five9’s SaaS contact center applications. Responsibilities include designing systems on Google Cloud, troubleshooting production issues, contributing to application architecture, and using Docker, Kubernetes, Spring technologies, and continuous delivery practices. The role requires strong knowledge of distributed systems, networking, data storage, security, and public and private cloud environments.

Provides advanced operational support for enterprise mainframe environments, ensuring stability, availability, and performance. Responsibilities include incident management, troubleshooting, root cause analysis, change and problem management, documentation, continuous improvement, platform enhancements, customer collaboration, technical guidance, and mentoring. The role requires expertise in at least one mainframe domain, including z/OS, CICS, DB2, networking, storage, or automation, plus strong ITIL and enterprise infrastructure operations knowledge.

Own the reliability, performance, security, scalability, and lifecycle of production ClickHouse clusters across Kubernetes and managed services. Build infrastructure-as-code automation, monitoring, alerting, backups, disaster recovery, upgrades, migrations, and capacity planning. Support developers and engineering teams with schema, ingestion, and query optimization expertise. Troubleshoot incidents, lead database postmortems, maintain documentation, and automate routine operations across a large database fleet.

Referral-based partner opportunity for consultants, advisors, sales professionals, ecosystem builders, and network connectors. Partners recommend relevant B2B SaaS products, introduce qualified companies, track referrals and commissions through Expando AI, and collaborate with the platform team on handoffs. The role is flexible, remote, commission-based, and has no quotas or upfront costs.