freelance English-speaking jobs in Valongo

Provide customer service support to Dutch-speaking travelers and property hosts regarding reservations, modifications, cancellations, and special requests. Resolve issues related to payments, refunds, confirmations, and platform check-in details. Assist property owners with listing optimization, calendar synchronization, and account configurations.

Software Engineer specializing in Java development with a focus on the Quarkus framework. Requires 3+ years of experience, proficiency in Java, RESTful APIs, and containerization technologies.

Bitsight seeks an experienced Big Data Engineer to join its engineering team. The ideal candidate will build and operate large-scale data pipelines, leveraging Java programming and strong computer science fundamentals. Collaboration with data science and research teams is essential.

Provides operational and coordination support for international assignments, relocations, and transfers. Prepares assignment-related documentation, supports cost estimate preparation, and partners with vendors to ensure smooth employee experience. Maintains mobility data, tracks immigration documents, and assists with visa applications.

Sales Representative to promote and sell NUXE products to clients and boost brand presence in pharmacies. Responsibilities include prospecting, client management, product launches, and merchandising. Requires commercial experience in healthcare/dermocosmetics, strong negotiation skills, and proficiency in Office365.

Senior Salesforce Developer needed for international opportunity. Must have 5+ years of experience in Salesforce development with Marketing Cloud and Data Cloud, including proficiency in Data Modeling, Ingestion, Transformation, and Identity Resolution frameworks. Strong GDPR/CCPA compliance knowledge and experience with AMPscript, SSJS, and SQL are required.

The Engineering Manager will lead and develop high-performing teams, ensuring alignment with business goals and strategic priorities. Responsibilities include managing team budgets, planning, and forecasting, as well as identifying risks, dependencies, and improvement opportunities. Previous experience as an Engineering Manager or similar leadership role is required, along with a strong background in technology/software engineering environments and excellent communication skills in English.

Lead product strategy and development lifecycle, transforming vision into reality. Build and empower a high-performing product team. Own the product development process from ideation to delivery.

AgileEngine seeks a DevOps Engineer to design, build, and operate containerized and serverless workloads on AWS. Responsibilities include implementing infrastructure as code, establishing CI/CD pipelines, and providing technical mentorship.

Experienced Service Operations Manager needed to oversee IT service delivery and continuous improvement. Responsibilities include ensuring service level agreements, KPIs, and cost targets are met, maintaining service documentation, and collaborating with stakeholders. Must have strong risk assessment, change management, and ITIL process knowledge.

Dynamics 365 Expert with 10+ years of experience in large-scale implementations. Proven expertise in Dynamics 365 Field Service and Project Operations, including CRM, Project Management, and Asset Management processes. Deep knowledge of Microsoft Dynamics 365 and Dataverse. Experience designing integrations and supporting platform evolution. Fluent English required, Portuguese a plus. Relevant Microsoft certifications preferred. Hybrid work model (1 day/week on-site) in Lisbon or Porto.

Senior Golang Engineer needed for a fast-growing fintech company building scalable blockchain-based payment infrastructure. Design, develop, and maintain robust backend services using Golang, collaborating with cross-functional teams in a fully remote environment. Requires 3+ years of Golang experience and 5+ years of overall software engineering experience. Strong experience with messaging systems, Docker, Kubernetes, and CI/CD pipelines is essential.

The Accounts Payable Specialist ensures timely and accurate vendor payments. Responsibilities include invoice processing, vendor reconciliation, payment preparation, and maintaining compliance with financial procedures.

Senior Data Analyst needed to gather, interpret, and visualize data for a rapidly growing FinTech company. Must have 5+ years of experience, strong SQL skills (Snowflake, BigQuery, Oracle), and reporting/visualization skills (Looker, Tableau).

Developer Java Spring & SQL needed for a national project. Design, secure, and scale back-end architectures. Proficiency in JAVA (21) spring programming language, advanced SQL (PostgreSQL), and CI/CD practices required.

Supports the global commercialization of EBI products, including go-to-market enablement, process optimization, and performance tracking. Drives initiatives to improve revenue capture and minimize leakage. Partners with cross-functional teams to develop scalable commercial processes and governance frameworks. Analyzes data to identify opportunities to expand product adoption.

Freelance Machine Learning Operations Engineer needed to review and enhance AI-generated content on machine learning operations, model deployment, and workflow optimization. Must have experience deploying, optimizing, and overseeing machine learning systems and be based in the EU or UK.

Supervises instrumentation and control activities in an industrial processing environment. Ensures alignment with engineering specifications, project quality standards, and safety requirements. Coordinates with contractors, construction teams, and control system specialists.

ETL Developer needed for Automotive Tech company in Porto. Design, develop, and optimize Talend ETL/ELT workflows for data integration, migration, and transformation. Build scalable data pipelines and collaborate with business analysts and data architects. Must have 3+ years of ETL development experience and 2+ years with Talend.

Mendix Developer will design, develop, and maintain Mendix applications, integrating data from various sources and collaborating with stakeholders. Requires 3+ years of experience with the Mendix Platform, proficiency in Mendix Studio and Studio Pro, and a Bachelor's degree in a related field.