freelance English-speaking jobs in Valongo

Java Developer will design, develop, and maintain cloud-based applications using Java 17/21 and Spring Boot. Responsibilities include implementing messaging solutions, collaborating with teams, and ensuring application reliability and scalability. Requires 5+ years of experience in Java development in cloud environments.

As Trustly's Staff Product Designer for GoConsumer, you will shape how users build better financial habits through AI-driven coaching, behavioral psychology, and game design. You will design conversational flows, interaction patterns, and gamification systems that make money feel understandable, supportive, and enjoyable. You will work closely with product managers, engineers, data scientists, and behavioral scientists to translate Trustly's data and open banking capabilities into delightful, trustworthy, and emotionally resonant experiences.

German-speaking Transaction Monitoring and AML Analyst needed to review flagged transactions, conduct analysis, and investigate suspicious activity. Must have experience in KYC, AML, or alert review within financial services.

Victoria Golf Resort & Spa Managed by Accor Victoria Golf Resort & Spa is currently Managed by Accor and after a comprehensive property improvement program to align it with Fairmont Brand standards, the hotel will formally join the Fairmont Brand as Fairmont Vilamoura Algarve About Fairmont Hotels & Resorts Join a dynamic team and become part of a network of 90 spectacular properties, with 34 more

Maintenance Technician to develop and manage laboratory equipment maintenance plans, support laboratory restructures, and perform equipment installation, maintenance, and troubleshooting.

Site Reliability Engineer to maintain availability, automate release/deploy processes, and monitor trading platforms. Responsibilities include configuring servers, managing infrastructure, and working with developers on new features. Requires 5+ years of experience, strong Linux/UNIX administration skills, and experience with Ansible, Terraform, Docker, and monitoring tools.

Leads a credit control team, develops and executes settlement strategies, analyzes broker financial accounts, and manages team performance. Requires a finance-related degree and proficiency in French.

As an AI Product Manager, you will design, implement, and iterate on AI systems within enterprise environments. You will work closely with engineers and leaders to identify opportunities, translate them into working systems, and ensure their reliability in production.

Create responsive and accessible interfaces using HTML5, CSS3 (SCSS), and JavaScript. Build frontends for clients in both the public and private sectors. Collaborate with UX designers, visual designers, developers, and project managers.

Expert needed for critical case management during SAP S/4HANA data migration projects. 7+ years of experience in ERP project management, issue resolution, or escalation handling required. Strong knowledge of SAP S/4HANA migration programs and data migration dependencies is essential. Must possess excellent communication and problem-solving skills.

Accenture seeks a Client Service Delivery Lead to manage the delivery of Infrastructure Managed Services. The role involves operational management, team leadership, and ensuring service quality while maintaining client satisfaction.

Commission complex automation and IT solutions for offshore HVDC platforms. Ensure safe and reliable operation of systems at shipyard and offshore construction sites. Optimize systems, assist with troubleshooting, and provide on-site client support. Prepare commissioning documentation and represent the company during performance verifications.

Full Stack Developer specializing in AI/ML for data analysis, pattern recognition, and inference. Develops and maintains web applications, implements machine learning algorithms, and collaborates on innovative solutions.

Golang Developer to build high-performance backend systems. Develop and maintain backend services, design scalable APIs and microservices, and collaborate with development teams. Requires 2-3 years of backend development experience, Golang proficiency, REST API and microservices knowledge, and familiarity with Git and Agile environments.

Senior Database Engineer needed to design, implement, and operate enterprise database platforms. Experience managing production database environments at scale, performance optimization, and troubleshooting required. Collaborate with Platform Engineering, SRE, Application Development, and Security.

German-speaking Video Content Analyst needed to review and moderate video content for a leading streaming platform. Must have native or near-native German and B2+ English. Full training provided. On-site work in Lisbon required. Relocation support offered.

Develop and deploy machine learning models for automated analysis of spoken English proficiency. Build and maintain machine learning systems to track user proficiency across various English language skills. Contribute to the research, development, and refinement of ELSA's adaptive learning system.

Supply Chain & Planning Team Lead to establish and scale supply chain, planning, and procurement functions for client products and internal product development. Experience in high-tech industrialization and serial production ramp-up required.

Software Engineer (.NET) to design, implement, and collaborate on scalable solutions for key digital products. Technical stack: .NET / .NET Core, REST APIs, SQL Server, Microsoft Azure, CI/CD pipelines, and unit testing frameworks. Hybrid work model in Lisbon.

Embedded Electronics Engineer will design, develop, and verify embedded electronic hardware for satellite missions, focusing on On-Board Data Handling (OBDH) systems. Responsibilities include schematic capture, PCB design, component selection, and testing. Requires a solid grounding in electronics engineering principles, knowledge of MCU-based systems, and familiarity with schematic capture and PCB design tools.