freelance English-speaking jobs in Valongo

As a Chemfeed Project Engineer, you will design and implement chemical dosing solutions for new build and replacement projects. You will manage multiple projects, coordinate resources, and ensure on-time and on-budget delivery. You will also support commissioning activities, manage customer satisfaction, and participate in proposal activity reports.

Junior Order to Cash Specialist needed for a detail-oriented role in Porto. Manage O2C and Accounts Receivable processes, including invoicing, collections, and payment follow-ups. Requires a bachelor's degree, 6+ months experience in finance, strong German and English fluency, and proficiency in Excel.

Financial Associate will assist in scaling a Web3-native accounting and control environment. Responsibilities include recording transactions, performing reconciliations, executing payments, and supporting the link between Web3 accounting software and the general ledger.

Graduate Program Manager will drive results across growth and cross-market projects. Responsibilities will evolve and include owning and developing progressively larger opportunities. Must be highly ambitious, proactive, and a fast learner with strong analytical skills and the ability to collaborate effectively. Native proficiency in Portuguese or Danish and fluent English required. EU work permit needed.

Senior Cloud Security Engineer will design, implement, and maintain secure cloud infrastructure across AWS and GCP. Responsibilities include owning cloud security posture, monitoring for threats, leading incident response, and partnering with engineering teams to build security automation and guardrails. Requires 5+ years of cloud security experience, strong IAM knowledge, and proficiency in scripting and automation.

Senior SHEQ Specialist / Senior Technician to implement and disseminate SHEQ policies, standards, and guidelines across companies. Promote compliance with legal, regulatory, and internal requirements. Monitor, analyze, and report SHEQ performance, with emphasis on OHS performance and incident trends. Conduct internal audits and collaborate with teams to reinforce a strong SHEQ culture.

KCS IT seeks a React Frontend Developer with 4+ years of experience. Responsibilities include developing user interfaces using React.js, HTML5, and CSS3, consuming REST APIs, and collaborating with a team. Fluency in English is required.

Develop and implement SEO and GEO strategies, optimizing Stannah's digital footprint for AI agents. Conduct site audits, collaborate on SEO-friendly content, and drive insights from data.

Integrate and strengthen a SAP Competence Center, defining governance standards and accelerating SAP ecosystem transformation. Ensure adoption of best practices aligned with business strategy and sustainable architectural evolution.

Manages website performance, user experience, and digital accessibility. Requires 3-5 years of experience with Drupal CMS and a UX focus. Strong communication and stakeholder management skills are essential.

Decskill is seeking a Project Management Officer (PMO) to join their team.

Responsible for vendor invoicing, general ledger operations, and month-end financial reporting. Ensures accurate financial records and compliance with accounting policies. Requires a degree in Accountancy, Finance, or equivalent, minimum 3 years of accounting experience, and proficiency in accounting software.

French-speaking Customer Service Representative needed for a major consumer credit platform. Respond to customer inquiries, analyze needs, and provide credit and financing solutions. Fluency in French (C1) and good English required.

Data Engineer to build, maintain, and monitor real-time data pipelines processing payment transactions. Investigate fraud cases, analyze transaction data, and translate findings into improved rules and data logic.

Front-end Developer will build websites, apps, and software tools for Phira Ventures' portfolio companies. Responsibilities include developing landing pages, venture websites, and SaaS product UI. Must have excellent front-end fundamentals, strong product taste, and attention to detail.

Data Governance Engineer will support metadata management, data lineage, data quality, and automation initiatives. Responsibilities include supporting data catalog initiatives, contributing to data governance practices, assisting with Airflow DAGs, and supporting data pipeline reliability. Requires 2+ years of experience in data governance, data engineering, or a related field.

Provide customer support to Portuguese-speaking customers via phone, email, and chat. Resolve customer inquiries, document interactions, and collaborate with team members. Fluency in Portuguese and English is required.

Junior HR Information System Specialist to support HRIT initiatives and system operations. Assist with implementation, configuration, and optimization of HR tools. Provide user support and translate HR processes into system setups.

Lead a team of researchers identifying data related to key people in the life sciences industry. Design data production processes and drive process and technology improvements.

Provide multilingual customer support via phone, email, and live chat for an international organization. Resolve customer queries, handle complaints, and ensure compliance with service standards.