freelance English-speaking jobs in Valongo

Principal Software Engineer with 10+ years of IT experience and 5+ years in Java for distributed systems. Expertise in distributed storage architecture, replication design, and consensus protocols (RAFT, Paxos, Ratis). Leads complex distributed systems initiatives and mentors engineers.

Data Architect to design and build Renvolt's data platform, leveraging Voltalia's existing assets. Responsibilities include defining data architecture, establishing domain models, and developing data pipelines using Databricks and Microsoft Fabric. Requires a degree in a related field and 7+ years of experience in data engineering or architecture.

Technical AI Architect to design robust, scalable, and secure AI solutions. Experience with enterprise-scale architectures (Azure, AWS), distributed systems, and modern engineering practices required. 5+ years in Technical Architecture roles with AI exposure. Strong programming skills (Python, Java, SQL, JavaScript) and fluency in English.

Lead the Edge & Network team, building and scaling a high-performance platform for Mollie's financial ecosystem. Drive service mesh and traffic routing evolution, ensuring high availability and connectivity. Mentor a team of engineers, fostering technical excellence and continuous delivery.

Solution Architect analyzes business requirements and designs architectural solutions aligned with enterprise principles. Designs APIs, integration models, and cloud architectures. Collaborates with international teams throughout the solution lifecycle.

Optimize advertising accounts across GSN, YouTube, and Mobile. Build keyword strategies and smart bidding structures. Deliver data-driven insights. Native-level Dutch and fluent English required.

Content Moderators needed for e-commerce platform in Lisbon. Must be fluent in German and English, with strong decision-making and communication skills.

Experienced Spa Manager to lead operations of a wellness center in a resort setting on a beautiful island. Manage daily operations, lead a team of 10, and ensure exceptional guest experiences.

Senior Sales Manager drives business growth by identifying new opportunities, developing client relationships, and exceeding revenue targets.

Product Marketing Manager will own the marketing strategy and drive product-led growth for Quidget, an AI-powered customer support platform. Responsibilities include launching growth experiments, improving trial-to-paid conversion, running paid acquisition initiatives, and collaborating with product, design, and marketing teams.

Develop C++ features for a product-driven project in the engineering/construction domain. Integrate systems, translate requirements, and collaborate with the product owner.

ECAD Consultant needed for a Lisbon-based client. Requires a degree in Electrical Engineering, Electronics, or equivalent, experience with Zuken CR8000 or similar tools, and knowledge of R&D development processes. Experience with PLM, Teamcenter, and EDA Client is desirable. Strong programming skills in languages like C#, C++, PowerShell, Visual Basic, AutoIT, and CMD are also required. Excellent English skills are essential, German is a plus.

Forvia, a global automotive supplier, seeks a Logistics Material Planner Trainee to support the implementation and optimization of logistics strategies. The trainee will participate in stock coverage analysis, order processing, and indicator analysis.

German-speaking Order to Cash Specialists needed for an international finance team in Porto. Manage the full O2C process, including invoicing, accounts receivable, and customer communication. Requires German (C1-C2) and English (B2) proficiency, accounting/finance experience, and on-site availability.

Business Controller needed for new production plant in Viana, Portugal. Evaluates, updates, and manages cost management systems. Collaborates with Product Line Manager to achieve financial targets and participate in cost reduction programs. Ensures accurate and timely financial data for management decision-making. Provides business trend analysis and supports inventory valuation. Acts as a liaison between finance, logistics, commercial, and IT departments. Requires a degree in Accounting, Economics, Management, or related field, knowledge of accounting principles, costing, and budgeting, and experience in a similar role for over two years. Fluency in English and Portuguese is required.

The Acceleration & Transformation team at EDP Comercial seeks a specialist to monitor and manage energy consumption measurements for customers, configure and maintain secondary concentrators, and analyze measurement data. The role involves developing RPA solutions, SQL/Oracle queries, and Power BI dashboards to streamline workflows and applying AI tools to enhance procedures.

Marketing Specialist will develop and execute digital marketing campaigns across platforms like LinkedIn and Meta to drive lead generation. Responsibilities include monitoring campaign performance, creating marketing materials, and collaborating with sales teams. Requires a Bachelor's degree in a related field, fluency in English and Portuguese, and proficiency in digital marketing tools.

Java Fullstack developer sought for a global professional services firm. Requires strong Java skills, full-stack experience, and proficiency with AI development tools. Minimum 5 years of software development experience is needed.

Technician will travel France, verifying charging station quality and performing commissioning, maintenance, and troubleshooting. Requires post-baccalaureate education in a relevant field, strong communication and problem-solving skills, and a passion for sustainable mobility.

The Summer Sourcing Intern will analyze European raw material tail spend to identify cost reduction and value creation opportunities. The role will involve analyzing supplier fragmentation, single-sourced raw materials, and contribution margin impact. The intern will generate actionable insights to inform sourcing strategies and competitive events.