freelance English-speaking jobs in Valongo

Senior Quality Assurance Analyst to validate REST APIs supporting financial, payment, and investment operations. Experience testing APIs, validating business rules, and contributing to automated test coverage is required.

Junior Customs Operations professional will execute customs clearance activities for goods entering and leaving Portugal. Requires proven experience in customs clearance or import/export, strong communication skills, and proficiency with Cargowise and Gidwin.

Senior Boomi Developer will design, develop, and maintain integration solutions using the Boomi Enterprise Platform. Collaborate with teams to understand integration needs and translate them into scalable solutions.

Sitecore Developer to join a team in a hybrid work model. Develop and maintain Sitecore solutions, customize integrations, and collaborate with multidisciplinary teams. Requires 2-8 years of Sitecore experience, .NET, C#, HTML, CSS, JavaScript, and Agile methodologies.

Senior Software Developer to develop, enhance, and maintain Grafana dashboards and SQL queries for time-series data visualization. Requires Java/Python coding, automated testing, and experience with CI/CD tools (Git, Jenkins).

Financial Controller with strong analytical and data capabilities will support financial management through performance monitoring, financial analysis, and business intelligence tools. The role combines traditional financial controlling responsibilities with data analytics and reporting automation. Experience with Power BI, SQL, and ETL processes is required.

Provide top-tier phone and email support to resolve customer inquiries. Deliver accurate information using established procedures. Build positive customer relationships. Fluency in Czech (C1/C2) and English (B2) required. EU Citizenship, Residence Card, or Manifest of Interest needed.

Senior .NET Core Developer to design, develop, and maintain high-volume transactional systems in Azure. Experience with microservices, serverless, and event-driven architectures required. Must have 5+ years of .NET Core development experience and fluency in Portuguese.

Python Developer with 4+ years of experience in backend development sought. Must have strong knowledge of object-oriented programming, design patterns, and software engineering best practices. Experience with SQL and NoSQL databases, REST APIs, and microservices architectures is required. Fluency in English is mandatory.

Accounts Receivable Specialist will ensure timely and accurate billing and payment collection. Responsibilities include preparing invoices, coordinating billing information, resolving payment discrepancies, and managing customer accounts.

Quality Assurance Analyst needed to evaluate and rate audio, video, text, and photo content. Must be a Subject Matter Expert for quality guidelines, provide written rationales for ratings, and participate in calibration sessions. Requires Japanese native fluency, English C1 level, and strong analytical and communication skills.

EHS Coordinator to lead end-to-end projects in the renewable energy sector, ensuring safety, quality, and compliance with industry standards. Coordinate cross-functional teams, conduct risk assessments, and implement safety programs. Requires a degree in a related field, experience in EHS coordination, and knowledge of wind energy operations.

Golang Software Engineer to design and build core backend services for a data security and AI governance platform. Experience with distributed systems, event-driven architectures (Kafka), and cloud-native data platforms (Snowflake, Databricks) is required.

Motivated apprentices will join a dynamic team and gain exposure to real-world SAP projects. Successful candidates will contribute to modernizing customer interactions, leveraging AI for smarter forecasting, and ensuring seamless data flow.

Take technical ownership of a flagship desktop reconciliation platform. Maintain, evolve, and enhance a complex codebase. Design and implement bug fixes and improvements. Collaborate with teams to diagnose and resolve technical issues.

Junior Talent Acquisition Specialist to support recruitment across Europe, the USA, and other countries. Manage full-cycle recruitment processes, create job descriptions, and collaborate with hiring managers. Requires 1+ years of relevant experience, IT/tech recruitment knowledge, and proficiency in English (B2+).

Salesforce Business Analyst needed to gather, analyze, and document business requirements. Collaborate with stakeholders and development teams to design and implement Salesforce solutions. 3-4 years of experience in Salesforce projects required.

Hotel General Manager oversees daily operations, guest satisfaction, staff management, and profitability for a 18-bedroom boutique hotel in Lisbon.

Senior Electrical Engineer to design and deliver electrical systems for mission critical infrastructure projects. Requires 8+ years of experience, including 5+ years in mission critical projects, and registration with Ordem dos Engenheiros. Must have expertise in low, medium, and high-voltage systems, substations, and Portuguese building regulations.

Account Executive responsible for driving new business and developing customer relationships. Manages the sales process from lead to close, meeting targets and generating revenue. Requires fluency in Dutch and English. Experience in selling software solutions, especially in the kitchen and bathroom industries, is advantageous.