freelance English-speaking jobs in Valongo

Product Owner for the AI Team will translate product initiatives into detailed requirements, maintain and prioritize backlogs, and partner with engineering, UX, QA, project management, and product leadership to ensure successful delivery of AI-driven experiences.

Fullstack/DevOps Engineer needed for a YC-backed API-first company revolutionizing meeting automation. Responsibilities include designing and maintaining Kubernetes clusters, architecting PostgreSQL databases, and building Docker containerization solutions. Requires 4+ years of production experience with TypeScript/Node.js, Kubernetes, and PostgreSQL.

Director of Product will own the P&L for Growth, driving revenue, margin, and unit economics. Responsibilities include defining the value proposition, building an experiment-led discipline, and shaping the commercial strategy. Requires experience owning a product P&L, deep understanding of unit economics, and experience with A/B and multivariate testing.

This internship supports the Global Program Management Office team in defining and deploying global processes, analyzing KPIs, and improving digital processes. The intern will assist with reporting, process documentation, and program management tool support.

Program Manager to lead digital strategy integration between teams and client. Requires strong leadership, communication, and program management skills. Experience managing cross-organizational projects and familiarity with AI technologies are essential.

Senior Machine Learning Engineer will own and drive adoption of best practices within the Advanced Analytics capability. Collaborate with stakeholders to define data-driven solutions and lead delivery of data science/ML components. Requires a Master's or PhD in a relevant field and 4-6+ years of experience in data science with a focus on problem framing, data preparation, modeling, and production deployment. Strong expertise in data mining, statistical and predictive modeling, and developing machine learning algorithms is essential. Proven experience deploying ML solutions in production, preferably in cloud environments (Azure preferred), and advanced programming skills in Python or R are required.

QA Engineer will design, develop, and execute test cases to ensure software quality. Collaborate with development teams to define test strategies and acceptance criteria. Identify, document, and track defects. Contribute to the improvement of QA methodologies and processes. Support release validation and production deployments.

Experienced procurement professional to lead strategic and operational management of company car fleet, corporate travel, and on-site facilities. Develop and implement category strategies, manage supplier relationships, and ensure compliance with internal policies and regulations.

Logistics Technician (Transports) will manage urgent transports, coordinate with transport providers and suppliers, and analyze transport costs and volumes. Requires a high school or academic degree in logistics and 2+ years of transport management experience. Knowledge of logistics, MS Office, VW systems, and German is preferred.

Broadvoice seeks a Reliability and Performance Engineer to ensure the stability, scalability, and efficiency of global infrastructure and services. This role involves designing reliability strategies, optimizing system performance, and collaborating with teams to define and align SLOs and SLIs.

Technical expert with 5+ years of QA engineering experience, specializing in mobile QA and Kotlin, sought to create educational content for software developers. Must have hands-on experience with AI-assisted QA tools and a proven track record in tech leadership or mentoring. Fluent English required. Part-time, 10-15 hours per week.

Software Engineer will design, implement, and maintain billing and invoicing systems. Responsibilities include leading feature implementation, collaborating with stakeholders, reviewing code, and improving codebase health. Requires 4+ years of software development experience, proficiency in Go, SQL, and cloud services, and strong communication skills.

Experienced Portuguese Immigration Lawyers provide legal advice and manage applications for visas, residence permits, and workforce relocation.

Drive expansion within the SMB segment for a global SaaS HR and payroll platform. Manage and grow existing customer relationships, identify upselling and cross-selling opportunities, and act as a trusted advisor to clients.

Senior Data Engineer to design, build, and maintain scalable data platforms. Responsibilities include developing data processing pipelines, building microservices, and ensuring data integrity. Requires 5+ years of experience, strong Python skills, and expertise in Spark/PySpark and big data frameworks. Experience with cloud platforms (GCP preferred) and distributed systems is essential.

This 12-month trainee program provides practical knowledge of Trade Marketing processes for the pharmacy channel. The role involves collaborating on strategy development and implementation across brands and channels. Applicants must have a degree in Pharmacy or Life Sciences, proficiency in Word, Excel, and PowerPoint, fluency in English, and strong teamwork skills.

Certified Accountant needed for expanding hotel group in Porto. Oversee multiple companies, manage analytical accounting, and ensure reporting to Paris headquarters.

Provide customer service support to French-speaking users of a digital financial app. Assist with account inquiries and ensure a positive customer experience.

Leads teams in the safe delivery of mechanical, electrical, fabric, or construction projects from several hundred thousand to multi-million pounds. Ensures projects are secured and delivered on time and within financial requirements. Develops project financial plans and manages the monthly P&L. Recruits, trains, and manages a team of project delivery specialists. Builds relationships with customers and supply partners.

Senior Solution Architect will design scalable architectures, optimize system flows, and ensure technical quality for product delivery. Responsibilities include configuring accelerator solutions, building data structures, and collaborating with teams. Experience with low-code platforms and strong communication skills are required.