freelance English-speaking jobs in Valongo

Payroll Coordinator to manage employee data, ensure accurate payroll processing, and support HR administration. Requires 1-2 years of experience, knowledge of Labour Law and payroll processes, and fluency in Portuguese and English.

Provide customer service and support for the upgrade of transmission units linked to hazard warning systems. Collaborate with internal and external stakeholders to ensure a smooth transition.

Java Fullstack Developer needed for a Lisbon-based project. 5+ years experience in Java 17/21, Spring Boot, Angular, Active MQ, PostgreSQL, Rest API's, and Docker required. Fluent English and French required.

Manage IT vendor relationships, contracts, and renewals. Track metrics, handle escalations, and ensure compliance.

Sales Executive/Groups Coordinator to support hotel business growth, focusing on MICE and Groups segment. Manage and respond to RFPs and enquiries, handle negotiations, and build relationships with clients and partners.

As a Unified Systems Operator, you will monitor, control, and maintain cutting-edge systems across Kyndryl's infrastructure. You will provide innovative solutions to technical and business challenges, ensuring seamless operations. You will monitor and validate events and alerts, execute preventative tasks, and escalate potential outages.

Air Apps seeks an SEO Specialist to develop and execute SEO strategies for apps and websites. Responsibilities include keyword research, content optimization, website performance monitoring, and collaboration with marketing, product, and development teams. The ideal candidate has 3+ years of SEO experience, a strong understanding of on-page, off-page, and technical SEO, and experience with SEO tools.

The Specialist Clinics Clinical Nurse Consultant provides advanced clinical leadership and operational support across designated specialty portfolios. The role ensures safe, efficient, and patient-centered care, drives service improvement, and acts as a key clinical resource.

Senior Product Management Leads at Work & Co manage complex projects, define product briefs, and own the full product development lifecycle. They collaborate with clients, designers, and engineers to deliver multi-platform applications and mentor junior product managers.

The Brands Event Coordinator will manage a diverse portfolio of events and brand activations, ensuring each event reflects world-class standards while maintaining its unique brand identity. Responsibilities include end-to-end event execution, stakeholder management, logistics coordination, financial oversight, and global communication.

Node.js Backend Developer will build scalable backend services for electric vehicle charging infrastructure and mobility services. Responsibilities include developing APIs, integrating with payment services and ticketing systems, and working within a microservices architecture deployed on AWS. Requires experience with Node.js, SQL and NoSQL databases, and Agile methodologies.

The Supply Chain Manager Portugal leads end-to-end supply chain operations, ensuring efficient and cost-effective processes across procurement, planning, logistics, inventory management, and distribution. The role combines strategic oversight with operational execution, driving service excellence and alignment with business objectives.

Senior Product Manager to own a product domain at Zego, leading strategy, discovery, and execution with direct commercial impact. Responsibilities include defining product strategy, building roadmaps, leading discovery, designing experiments, and collaborating with cross-functional teams. Proven product ownership, experimentation mindset, data fluency, AI fluency, and technical literacy are required.

Mid-Level Java Developer to design, develop, and maintain applications within the Calypso platform, focusing on collateral and cash management. Requires 3+ years of Java development experience, familiarity with the Calypso platform, and SpringBoot framework.

As a Billing & Claims Assistant, you will process financial transactions between clients and insurance carriers. Responsibilities include processing premiums, reconciling statements, managing payments, and resolving discrepancies.

The Sales Manager supports the Director of Sales in implementing strategies to maximize revenue and market share. The role involves building relationships with clients, collaborating with teams to optimize pricing and promotions, and securing group business.

Strategic Project Manager reports to the CEO, leading and executing critical projects to achieve organizational goals. Requires a degree in Business, Engineering, or related field, 3+ years of experience in project management, consultancy, or business strategy, and strong analytical and problem-solving skills.

Lead Buyer responsible for purchasing IT hardware, supporting clients, defining strategies, negotiating contracts, and ensuring regulatory compliance.

SMT Process Development Engineer evaluates and releases materials and components for assembly technologies. Drives new material qualification and process development. Collaborates with development teams and material suppliers. Requires a degree in Mechanical Engineering, Materials Science, or a comparable field and experience in SMT manufacturing or the semiconductor industry.

International Talent Acquisition Partner will source and recruit candidates for commercial and sales roles. Responsibilities include screening applications, conducting interviews, and guiding candidates through the hiring process. Experience in sales recruitment, ideally on an international scale, is required. Fluency in English is essential, with additional languages advantageous.