freelance English-speaking jobs in Guimarães

Manage and optimize ClickHouse clusters, Kafka, OpenSearch, and Kubernetes environments. Ensure high performance, scalability, and reliability of distributed systems. Implement GitOps workflows and monitoring systems.

Analytical Development Scientist / Senior Scientist will develop, transfer, implement, and validate analytical methods for drug substance and product. Responsibilities include designing and executing analytical studies, supporting formulation and process development, and providing analytical support for regulatory submissions.

Data Engineer to design and evolve scalable data pipelines, build Power BI models, and ensure data quality and consistency across Azure and Fabric environments. Collaborate with AI/ML teams to deliver structured datasets and improve data collection and interpretation.

Lead the development and strategy of our Content Management System, driving content innovation for engaging gaming experiences. Define and execute the CMS vision, collaborate with game development teams, and manage the product backlog.

Platform Support Specialist needed to coordinate between stakeholders and support teams, optimize processes, and manage documentation for a customer-facing online platform.

Product Manager intern to align product and market strategies, drive innovation, and ensure effective execution of technical solutions. Support product data quality management, product portfolio cleanup, and competitor benchmark implementation. Analyze market needs, desires, and new business opportunities.

Leads global technology liaison activities with research institutes and universities, identifying and nurturing semiconductor technology opportunities. Requires strong technical credibility and experience in R&D, technology planning, or technical partnership roles.

Designs complex wireframes, flows, and prototypes for digital products. Collaborates with product managers and engineers to implement designs and optimize user experiences. Requires 2-4 years of experience in digital product design and proficiency in Figma.

The AI Product Owner ensures AI Factory reusable components deliver maximum business value and are aligned with strategic priorities. The role owns the product roadmap, backlog, and value realization metrics, acting as the bridge between business needs, architecture, engineering, and operations.

Senior Backend Engineer to design, build, and operate scalable Java/Spring Boot microservices on GCP. Experience with Kafka, Redis, Kubernetes, and AI coding tools is required. Full-time freelance, onsite in Lisbon.

Provide German-speaking customer support via phone, email, and chat. Assist customers with account and technical issues. Maintain accurate records and collaborate with international teams. Must be located in Portugal.

The Cash App Accountant ensures accurate recognition and support of bank movements in accounting records. Responsibilities include daily bank posting monitoring, monthly reconciliations, and collaborating with teams for reporting and process improvements.

Growth Director to define and execute go-to-market strategy in Portugal, building a scalable pipeline and driving new business development. Requires 8+ years of experience in business development, sales leadership, or growth roles with a proven track record in managing and closing complex sales cycles.

Customer Success Migration Specialist will convert Verizon Reveal customers to the MyGeotab platform. This outbound role involves making calls, explaining platform benefits, and guiding customers through the migration process. The ideal candidate is a confident communicator with experience in sales, business development, or customer-facing roles.

Data Product Manager to lead data products with a data-as-a-product mindset. Define product vision, manage roadmaps, and drive value delivery. Experience in product management, data ecosystems, and agile methodologies required.

Receptionist providing administrative support and ensuring a welcoming environment for students, parents, staff, and visitors at King's College School, Cascais.

Senior Support Engineer with at least 5 years of experience required. Provides operational support, troubleshooting, and client communication. Must have strong technical skills in networks, file transfer, message transfer, connectivity, leased lines, and infrastructure. Experience with Jira and ServiceNow is needed. Fluent English and French required.

Supervises casino gaming table activities including Blackjack, American Roulette, Caribbean Stud Poker, Dice, and related services. Requires minimum three years dealer experience in these games, strong math skills, and knowledge of gaming rules and regulations. Must be able to supervise an international team, handle customer service issues, and manage employee performance.

Data Engineer Master with 8+ years of experience, including 3+ years in a lead role, sought for hybrid role in Porto. Expertise in Snowflake, large-scale data platforms, SQL, Python, ETL/ELT, and cloud platforms required. Fluency in Portuguese, Spanish, and English.

Gain hands-on experience in technology at a world-class biopharma leader. Interns will work on real projects in areas like Data Engineering, Software Development, and Cybersecurity.