freelance English-speaking jobs in Valongo

Associate Event Coordinator (Event Technologist) to manage event technology execution using Cvent for global events. Responsibilities include building registration sites, managing attendee communications, and supporting onsite registration. Requires 3-5 years of event technology experience, proficiency with Cvent, and strong Microsoft Office skills.

Full-time Contract type: Permanent contract Company DescriptionAt Devoteam, we believe that technology with strong human values can actively drive change for the better. Discover how Tech for People unlocks the future, creating a positive impact on the people and the world around us.

Full Stack Engineer with 5+ years of Java development experience, including Spring Boot and Angular, is sought. Must have experience with microservices and distributed systems, and strong communication skills in English and French.

Provides support to employees on HR-related topics, processes employee lifecycle changes, and maintains accurate employee records. Collaborates with other HR teams and ensures adherence to European labor laws and company policies.

Fullstack Java Developer to design, develop, and maintain cutting-edge applications and APIs. Experience with Java, Spring Boot, React or Angular, and Oracle databases required.

Product Marketing Manager will own go-to-market strategy for Praxis and Emergn's AI offerings. Responsibilities include positioning, messaging, targeted campaigns, sales enablement, and community building. Requires 5+ years in product marketing, ideally in B2B SaaS or technology consulting.

Provide customer service support for German-speaking Airbnb customers. Handle property damage issues, analyze claims, and identify fraudulent activity. Must be native or fluent in German and English, possess strong communication and analytical skills, and have experience handling claims.

Designs, implements, and maintains secure cloud environments primarily on Microsoft Azure. Protects cloud infrastructure, ensures compliance, and integrates security into development and operations processes.

We are looking for a ServiceNow Analyst to join our Client's team in a hybrid work model. At Hexa Consulting, we are more than just an IT consulting company — we are a space where technological talent grows. Based in Portugal, we value transparency and a people-first approach, helping professionals take the next big step in their IT careers.

This Search & Analytics Specialist role supports and improves search experience and digital analytics across ABB's platforms. Responsibilities include managing search platforms, defining the search roadmap, ensuring high-quality search results, coordinating across platforms, driving the analytics framework, and providing analytics guidance and training.

Rental Sales Agent needed for a maternity leave replacement. Handle reservations, process rental agreements, and maximize sales opportunities by offering optional products and services. Proven sales experience and strong customer service skills required.

Infrastructure Architect needed with 4+ years Linux systems administration experience (RHEL, SLES) in low-latency trading environments. Expertise in virtualization, container technologies, server hardware, and OS migrations required. Strong scripting skills (Python, Shell) and experience with provisioning tools (Ansible, Puppet) are a plus.

Leads and shapes cross-portfolio digital strategy for five Specialty Care Immunology & Inflammation brands. Develops and executes scalable omnichannel frameworks across CRM, digital channels, and remote engagement. Acts as the digital center of gravity for the alliance, connecting portfolio strategy, brand priorities, and IQVIA's digital capabilities.

Senior Machine Learning Engineer & Data Analyst to design, extend, and operate financial risk scoring systems. Develop and improve ML models for anomaly detection, fraud detection, credit/risk scoring, and behavioral analysis. Analyze large-scale datasets and build data processing pipelines. Ensure models are explainable, auditable, and production-ready.

Design and develop embedded software for room controls. Support integration, testing, and debugging. Collaborate with a cross-functional team.

The Egress team builds and maintains a network software infrastructure used by Cloudflare products to connect to any destination. Responsibilities include designing systems, writing code, and participating in on-call rotations. Must-have skills include systems-level programming experience in Go, Rust, C, or C++, a solid grasp of networking protocols, and strong debugging skills. Bonus points for experience with Rust, HTTP networking, VPN technologies, and large-scale distributed systems.

Quadrante is looking to strengthen its team by hiring a IT Business Analyst for our Porto office. As a leading engineering and consultancy group with a strong international footprint, Quadrante offers a unique professional experience where technology and innovation play a central role in supporting business growth and operational excellence.

CMDB Coordinator to maintain, update, and validate configuration data in ServiceNow CMDB. Perform data quality checks, reconciliations, and support audit and reporting activities. Collaborate with service owners and technical teams to ensure CMDB accuracy. Proficiency in ServiceNow CMDB or similar tools required.

Provide station support at various Roadsurfer locations in Portugal (Faro, Lisbon, Porto). Ensure customer satisfaction during campervan pick-up and drop-off. Assist with daily tasks, campervan cleaning, and contribute to a positive work environment. Fluent English required, other languages beneficial.

Office Manager for a medium-sized financial services company in Lisbon. Responsibilities include administrative support, facility management, process development, and event coordination. Requires 3+ years of experience, fluency in English and Portuguese, and proficiency in Microsoft 365.