freelance English-speaking jobs in Barreiro

QA Tester with 7+ years of experience in testing REST APIs, UI, and conducting exploratory testing. Experience with Jira, Oracle DB, and tools like Postman, Selenium, or JMeter is preferred. Excellent communication and problem-solving skills required.

UI Designer needed for fast-growing AI startup in Porto. Design and maintain UI elements, collaborate with product and engineering teams, and improve the Figma component library. Strong Figma skills and experience with design systems required.

Customer Service Representative needed to respond to customer inquiries via phone, email, and chat. Must be fluent in Dutch and English. Experience in customer service is a plus.

International Sales Executive to manage a B2B client portfolio in France and prospect for new business in Belgium, the Netherlands, and Germany.

The Chief Product Officer will lead the development and dissemination of Hydrotwin, a unique ocean digital twin platform. Responsibilities include managing technical and commercial documentation, coordinating product roadmap development, and ensuring product performance and uptime.

Full-time Customer Care Representative providing support to French-speaking clients via phone, email, and chat. Must be a native French speaker (C2 level) and a resident of Braga, Portugal.

Project Delivery Manager to manage software development projects, coordinate teams, and deliver e-commerce websites. Experience with project management methodologies, e-commerce platforms, and task management software required.

Provide technical support to customers and service partners via email and phone. Process support cases and coordinate information exchange.

Provides customer support to retailers and their customers via email, chat, and phone. Resolves operational issues, ensures timely order deliveries, and coordinates with delivery partners.

System Integration And Test Engineer needed for a junior-level role. Must have a strong interest in software and systems engineering, electronics/electrical engineering fundamentals, and networking knowledge. Experience with access control systems is preferred. Responsibilities include system integration, testing, defect resolution, and support of commissioning phases.

Braze Developer with 6+ years of experience required. Must have proficiency in platforms like mParticle, Braze, Salesforce Marketing Cloud, Tealium, and Segment. Strong understanding of APIs, webhooks, event-driven architecture, and SDK integrations is needed. Experience with AWS cloud infrastructure and DevOps/CI-CD practices is also required. Fluent English required.

Finance Analytics Engineer will develop and manage analytics capabilities within the Finance team. Responsibilities include translating complex data into actionable insights, designing analytics frameworks, and collaborating with stakeholders to identify data-driven improvements.

Senior Digital Program Manager to lead eCommerce platform migrations, integrations, and site modernization across Collectivus brands. Requires 5+ years of experience in digital program delivery, strong stakeholder management, and comfort working with vendors.

Python developer with minimum 2 years of experience in Python development, SQL, REST APIs, Docker, Git, microservices, CI/CD, and testing.

Site Reliability Engineer needed with 5+ years of cloud operations or system administration experience, including 3+ years managing GCP environments. Must have strong scripting skills (Python, Bash) and Infrastructure as Code (Terraform) experience. Responsibilities include monitoring, incident management, routine maintenance, security, cost optimization, automation, and collaboration.

Provide customer support via live chat and email for a fast-growing fintech/crypto trading platform. Maintain strong product knowledge and resolve customer inquiries and complaints. Contribute to process and service improvements.

Senior DevOps Engineer will design, implement, and optimize cloud strategies, data strategies, software architecture, and modern DevOps practices. Requires 5+ years of experience in DevOps, cloud technologies, and development in cloud-native environments.

Quality Assurance Manager will define, implement, and evolve test strategies and frameworks for a cloud orchestration platform. Responsibilities include partnering with developers and product managers to ensure testing throughout the development lifecycle, driving test automation, and exploring AI-powered testing approaches. Requires 5+ years of QA engineering experience, including hands-on test automation and manual testing, DevOps and cloud awareness, and expertise in modern E2E testing.

Provides home respiratory care services including oxygen therapy, aerosol therapy, and other treatments. Implements company procedures and delivers daily service information. Requires a high school diploma and experience in patient care.

Senior Specialist/SME for Middle Office Services, Cash Payments, will provide expertise on invoice management, oversee daily processing, and ensure compliance with regulations. The role involves reconciliation, knowledge transfer, client service, process improvement, and project support. Requires a Master's degree in a related field, 1-2 years of experience, and fluency in English.