freelance English-speaking jobs in Valongo

Lead Robotics Simulation Engineer to build and maintain high-fidelity simulation environments in MuJoCo and Isaac Sim for various sectors. Drive domain randomization, measure sim-to-real gap, and integrate simulation with VLA training pipelines. Requires 5+ years of robotics simulation experience with both MuJoCo and Isaac Sim, Python, and simulation data pipelines.

Financial Analyst to ensure accuracy and efficiency of payment operations across multiple providers. Analyze provider fees, reconcile transactions, and optimize costs. Strong Excel skills and experience in financial analysis, reconciliation, and reporting required.

Robotics Software Engineer to design, develop, and test software systems for advanced robotic platforms. Requires strong C++, ROS2, and Linux experience.

Junior AI developer to deploy AI tools, focusing on knowledge bases, agentic workflows, and fine-tuning. Assist in technical implementation of use cases and contribute to the cross-functional AI Lab.

To support the growth of our office in Lisbon, we are looking for a proactive, organized, and people-oriented Talent Acquisition / HR Generalist to join our growing team. In this role, you will be the primary engine for our local hiring efforts while ensuring our day-to-day HR operations and office environment run smoothly.

Performs technical tasks within maintenance and operation activities, ensuring compliance with deadlines, quality, and regulations. Responsibilities include starting/stopping production, routine maintenance, troubleshooting, and record keeping. Requires 2-4 years of experience in similar roles and a Professional Course in Maintenance (Electromechanical area). Must be available for rotating 12-hour shifts.

Senior Fullstack Software Engineer needed with 5+ years experience in software engineering. Strong skills in TypeScript, React, Next.js, Node.js, Java, and Springboot required. Experience with AWS, CI/CD, CDK/Serverless, SQL and NoSQL databases, and Git is also necessary. Fluency in English is required.

Junior AI Consultant to work on client projects and internal product initiatives. Focus on AI implementation, automation, and digital transformation. Assist in scoping, delivering, and building solutions tailored to client needs. Contribute to the development of experimental tools and internal products.

Submits order proposals for various hotel department items, ensuring adherence to storage capacity and safety regulations. Oversees cleaning, maintenance, and daily operation of food, beverage, and consumable issuing. Processes invoices, purchase orders, and requisitions. Manages inventory, conducts training, and ensures compliance with company policies and USPH standards.

Data Product Owner / Business Analyst will translate business needs into data-driven solutions, defining KPIs, structuring reporting requirements, and supporting the development of dashboards and data products.

Product Manager for next-generation heat pump water heaters. Define and drive product strategies, identify business opportunities, and translate technical requirements into customer-oriented value propositions. Analyze market trends and customer needs. Collaborate with international cross-functional teams.

Full-time, remote publicist role at a global PR agency. Own a portfolio of clients end-to-end, from strategy and pricing to writing, placement, and relationship management. Must be a strong writer with experience in consultative selling and excellent communication skills.

Experienced Instrumentation Commissioning Engineer needed for industrial projects. Execute commissioning activities, perform loop checks and testing, and ensure instrumentation systems operate safely and efficiently.

About Huzzle At Huzzle, we connect exceptional talent with top opportunities at leading companies across the UK, US, Canada, Europe, and Australia. Our clients include fast-growing startups, digital agencies, SaaS companies, and tech-enabled businesses across industries such as MarTech, FinTech, EdTech, and eCommerce.

Execute and run daily site optimization initiatives, including A/B testing, multivariate testing, and personalization campaigns. Monitor campaign performance, analyze data, and provide actionable recommendations. Build and manage dynamic audience segments using CDPs.

Java Full Stack developer to design, code, and enhance custom software solutions. Expert proficiency in Java Spring and React.js required. Experience with Amazon SQS, Microservices Architecture, MongoDB, and MySQL is preferred. Collaborate with teams, analyze problems, and contribute to solution design.

Contact Center Agent needed for fully remote project. Responsibilities include answering customer inquiries, resolving complaints, and processing multichannel inquiries. Must be a German native speaker or C1 level, have a high school diploma, and possess excellent communication and problem-solving skills.

Intern will build a Customer Dashboard prototype in Power BI, define key performance metrics, and analyze data quality. Requires a master's degree in a related field, SQL skills, experience with BI tools, and strong communication skills.

Leads a delivery team to meet utilization and revenue targets while ensuring operational efficiency. Oversees resource planning, project execution quality, and financial hygiene. Partners with Finance, RevOps, Product, and PSA/ERP administrators to maintain data accuracy and drive informed decision-making.

Collects sales data, maintains AR module, processes invoices, handles customer/supplier reconciliations, and archives documents. Requires a university degree in Accounting, Management, or equivalent, and 4+ years of AR experience in a multinational environment. Fluent English is mandatory, French and Spanish are a plus.