freelance English-speaking jobs in Valongo

Fully funded PhD research scholarships are available through the MagIC R&D Unit. Applicants must hold a bachelor's or master's degree, possess knowledge in information management or data science, and not have previously benefited from a doctoral grant. The research project must align with MagIC's strategic plan and promote conceptual and methodological integration between Management and Data Science.

Software Development Engineer will focus on projects improving payment recovery rates and fraud prevention for Success+ and Protect+ products. Strong Ruby and/or Python programming experience is required.

Oversees product promotion through a strategic roadmap, evangelizes programmatic advertising, and conducts competitive intelligence. Leads activities related to service promotion and awareness. Researches and identifies new business opportunities, generates leads, and meets with prospective customers. Trains local sales teams and collaborates with marketing and finance departments. Requires around 5 years of experience managing accounts across agencies, trading desks, or brands directly. Possesses a strong understanding of the programmatic landscape and experience in digital media with hands-on knowledge of programmatic and media sales.

Design, develop, and maintain retail applications ensuring reliability, scalability, and security. Collaborate with clients and teams to develop technical solutions.

Data Engineer (MLOps & Machine Learning) needed. Requires Python development experience, data pipeline and processing solutions, and Machine Learning lifecycle knowledge. Experience with AWS services, Big Data, and MLOps concepts is essential. Fluency in English is required.

Leads and develops a creative team, shaping brand identity and delivering impactful campaigns. Ensures creative assets and concepts are visually compelling and drive business results.

Service Delivery Trainee to support the Central Securities Depository, focusing on issuance and corporate actions. Assist with registration and cancellation of securities issues and support the management of corporate actions. Contribute to the development and implementation of automated services.

Reporting Team Member supports the Record-to-Report Team Leader and Assistant Team Leader in delivering service obligations to Thales companies. Responsibilities include executing accounting controls, maintaining ledger accuracy, preparing reports, and complying with month-end closing procedures.

The Supplier Quality Engineer investigates and resolves quality issues with component suppliers, ensuring corrective actions and root cause analysis. This role manages blocked stock, defines work instructions, and collaborates with departments to prevent production line and customer impacts. The position requires a degree in Engineering and experience in supplier quality, quality tools, and audits.

Leads operational excellence initiatives across Fulfilment, driving process improvement, standardization, and automation projects. Collaborates with cross-functional teams to design and implement processes that improve operational performance and customer experience. Maps and analyzes existing fulfilment processes, identifying inefficiencies and opportunities for harmonization and standardization. Manages multiple process improvement projects, ensuring clear scope definition, stakeholder alignment, timely execution, and measurable outcomes. Develops process documentation, standard operating procedures, and process maps to support operational consistency and continuous improvement. Facilitates workshops, process discovery sessions, and stakeholder meetings to gather requirements, align priorities, and support change adoption. Drives process automation initiatives by identifying repetitive manual activities and collaborating with technical teams to implement scalable solutions.

Data Specialist will manage and optimize data pipelines, design dashboards, and ensure data accuracy for business-critical reporting. Responsibilities include implementing Google Analytics, validating data, and collaborating with teams to improve data architecture. Requires 3+ years of experience in data analysis, ETL tools, Looker Studio, and Google Analytics.

Provide customer support via various platforms, addressing customer inquiries and issues. Investigate and collect information to provide solutions. Must have advanced Spanish (written and oral) and good English skills.

Senior Machine Learning Engineer will design, implement, and maintain reusable platform components for data and AI use cases. Responsibilities include building ML lifecycle tooling, GenAI-specific components, and supporting internal teams. Requires 5+ years of AI experience, cloud platform experience, infrastructure-as-code experience, and Python proficiency. Experience with ML workflows, Kubernetes, and LLMs is essential.

Design and operate a hybrid cloud infrastructure connecting on-premises device farms with AWS services. Develop orchestration strategies for test workloads across geographically distributed environments. Deploy, manage, and scale Kubernetes clusters to orchestrate microservices and test execution workloads.

The Operational Performance Tech Lead coordinates cross-functional teams to implement data-driven operational performance solutions across a global industrial environment. This role focuses on enabling data-driven decision making by leveraging industrial data platforms, advanced analytics, and modern data architectures.

Software Engineer to design and deliver observability platform capabilities for SingleStore's cloud-native architecture. Responsibilities include building scalable features for traces, logs, and metrics, developing alerting capabilities, and collaborating with Product Management. Requires 2+ years of experience building distributed systems, strong Go (Golang) proficiency, and familiarity with Kubernetes.

Cloud Automation Engineer will develop and document cloud architecture solutions, collaborate with the cloud architecture team, and assist in maintaining cloud security and compliance.

Lead the strategy and development of global data, analytics, AI, and automation platforms. Manage platform engineering, integration, and governance frameworks. Collaborate with stakeholders to identify AI and automation opportunities. Lead and develop a team of engineers.

Supports the day-to-day operation, monitoring, and troubleshooting of a global Cisco-based network and Palo Alto security environment.

Drive new business for Zendesk's sales organization in the UKI region. Generate high-value pipeline through strategic and targeted prospecting. Provide top-class customer experience and be the face of the brand. Minimum 6 months of sales experience required. Fluency in English and availability for a hybrid work model are necessary.