freelance English-speaking jobs in Valongo

Backend Developer needed to design, build, and maintain backend services using TypeScript. Experience with MongoDB and PostgreSQL, RESTful APIs, and product team collaboration is required.

Remote German-speaking Account Manager needed to develop new business opportunities and manage existing client relationships. Fluency in German and proven sales skills are required.

The D2C Technical Coordinator leads technical issue resolution, provides guidance to the Webmastering team, and supports documentation creation. Responsibilities include fixing technical issues, assisting with feature activation and testing, managing cache cleaning and reindexing, and providing SEO technical support.

Tactical Buyer responsible for managing the end-to-end Spot Buy process, including compliance checks, quotation requests, and negotiations. Requires 2-3 years of procurement experience, strong sourcing acumen, and fluency in English and Italian (minimum B2 level).

Jobbex seeks a Senior Tech Lead to design and deploy hybrid and multi-cloud architectures (AWS, Azure, on-premise). The role involves architecting AI/ML and HPC solutions for research environments and acting as a technical reference for R&I lab platforms.

Data Engineer needed for international financial sector project. Develop and maintain data pipelines in Azure Databricks, implement Delta Lake tables, and integrate with Azure Data Factory. Requires 4+ years of experience, strong Python (PySpark) and SQL skills, and Azure Databricks expertise.

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.

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.

The Global Operational Performance Finance Analyst supports the Global Operational Performance Finance team in enhancing financial performance visibility and consistency across Unilabs. This role focuses on financial processes, tracking, and reporting, ensuring accurate monthly closing and reforecasting. The analyst will track key operational financial indicators, support cost efficiency initiatives, and contribute to asset and investment performance analysis.

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.

Financial Accountant needed for global adhesive solutions company. Responsibilities include posting invoices, contributing to management reporting, and supporting financial incentives processes. Requires a Bachelor's/Master's degree in Accounting, Auditing, or Management, Certified Accountant designation, and 3+ years of experience. Knowledge of SAP FI and advanced Excel skills are preferred.

Technical Support Engineer for Energy Systems will perform preventive and corrective maintenance on SCADA systems, diagnose and resolve communication failures, and configure new field equipment. Requires a degree in a relevant field and knowledge of industrial communication protocols (OPC, IEC, DNP3, Modbus).

Jira Engineer will migrate and redesign ServiceNow workflows into Jira Service Management, configuring end-to-end functionality and building integrations with various systems. Requires 5+ years of experience delivering complex Jira Service Management implementations in enterprise environments.

Senior Java / Javascript Engineer will develop customer-specific projects, collaborate with teams, and work with smart devices. Responsibilities include creating interfaces, developing workflows, and configuring user interfaces. Must have 4+ years of experience with Java, Spring Boot, and JavaScript.

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.

Phi Partners seeks a Dotnet Developer with 8+ years of experience in C# server-side development and WPF. Responsibilities include designing, developing, testing, and deploying applications, collaborating with teams, and mentoring junior developers. The ideal candidate has experience with Typescript, React, .NET, and Agile methodologies.

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.

Test Automation Engineer will design and implement performance and correctness tests, develop and maintain Azure DevOps pipelines, and collaborate with development teams. Requires proficiency in TypeScript, PowerShell Core, .NET Core, Azure DevOps Pipelines (YAML), and Azure DevOps Test Plans.

Provides support for all HR activities, procedures, and manages the HR team. Develops and implements HR policies and procedures aligned with company objectives. Oversees employee relations, recruitment, training, compensation, benefits, and legal compliance. Conducts analysis of employee data to identify trends and areas for improvement. Collaborates with external partners and manages the HR team.

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