freelance English-speaking jobs in Valongo

Defines and develops sales and go-to-market strategies for clients, translating business objectives into actionable plans. Designs new business processes based on customer requirements and conducts stakeholder meetings. Implements programs to prepare organizations for new processes, including partnerships with ecosystem partners. Develops Accenture's own sales and go-to-market activities, focusing on Financial Services.

Senior Programme Director to lead large-scale IT outsourcing transitions. Requires proven experience managing multi-tower, multi-supplier engagements and Executive Steering Committees. Must have strong ITIL and governance knowledge, excellent English communication skills, and be available for frequent international travel.

Experienced Solutions Architect & Engineering Lead needed to provide technical authority for high-impact initiatives. Lead a team of Full-Stack Developers, define architectural direction, and ensure solutions are built with strong engineering discipline, security, and operational resilience.

Power Platform Developer needed with 5+ years of experience in Power Platform, Model-Driven Apps, Custom Connectors, and on premises Data Gateway. Must have proficiency in React, JavaScript, TypeScript, or C# and experience in banking or highly regulated environments. Fluent English required.

Network Pre-Sales Engineer to design and promote networking solutions for business clients. Requires 3+ years of experience in Network Pre-Sales, Business Development, or similar roles, advanced technical knowledge of networking, and fluency in Portuguese and English.

Application Security Engineer to secure web application and AWS infrastructure. Responsibilities include designing, implementing, and improving application security controls, embedding security in the CI/CD pipeline, performing code reviews, and analyzing application traffic. Requires experience with AWS security services, container security, SAST/DAST tools, and secure coding practices.

Senior Data Engineer with 7+ years of experience in Scala/Java, functional programming, data streaming platforms (Kafka, Kafka Streams), and distributed data processing frameworks (Spark). Requires expertise in GCP/AWS cloud services (Storage, BigQuery, Dataproc, Kubernetes), BigQuery, SQL, CI/CD tools (GitLab CI/CD, Docker Compose), Linux, and French language proficiency.

Business Analyst to support data-driven use cases within the Dataquants platform ecosystem. Translate business needs into IT requirements and user stories. Collaborate with business and technical teams in a data-intensive environment. Minimum 3-5 years of experience as a Business Analyst in data projects required. Fluency in French is mandatory.

Provide B2B customer support for international remittances, handling operational and technical issues. Investigate and resolve problems end-to-end, ensuring fast responses and proactive follow-up. Document cases clearly and propose process improvements.

This Operations & Process Excellence Specialist role supports operational excellence within a global energy company's shared services environment. The role focuses on managing learning and development activities, stakeholder management, process optimization, and ensuring consistent service delivery.

Experienced MongoDB Developer needed to design and maintain data solutions within a .NET, React, and Azure environment.

Service Manager to oversee vendor performance, service delivery, and quality in an enterprise environment. Requires 5+ years of experience in service management, vendor management, and IT service delivery. Must have strong analytical, negotiation, and stakeholder management skills. Fluent in English and Portuguese.

KCS IT seeks an Android Developer with 3+ years of experience. Requires a Bachelor's degree in a related field, proficiency in Java and Kotlin, and strong understanding of software development lifecycles and agile methodologies. Must possess excellent communication and problem-solving skills and be fluent in Portuguese and English (C1 level).

Senior NetDevOps Engineer needed for a client project in Porto. Requires hands-on experience in network and/or security engineering, automation using Ansible and Python, and familiarity with FortiGate, Checkpoint, and GitLab.

The CEO Team Associate will work directly with the CEO to execute strategic decisions across Product, Operations, Sales, Finance, and Strategy.

Provides on-site user support and ensures the maintenance, monitoring, and availability of IT equipment and services. Handles hardware and software maintenance, performs preventive and corrective maintenance, and supports videoconference rooms and technical areas. Manages incident tickets, equipment logistics, and network resources.

Data Engineer with 4+ years experience in cloud environments, specializing in Snowflake, DBT, and SQL. Designs, builds, and optimizes scalable data solutions, collaborating with stakeholders to translate business needs into technical architectures.

Part-time position combining in-store sales and social media/e-commerce management. Responsibilities include customer service, visual merchandising, product listing updates, content creation, and social media engagement.

Investment Team internship at SC Investments, the investment platform of the Efanor Group. Support investment transactions, build financial models, conduct market research, and contribute investment ideas.

The British School of Lisbon seeks a Lead Chemistry Teacher to join their team in September 2026. Successful applicants will have a UK teaching qualification, at least 3 years of UK teaching experience, and exceptional subject knowledge.