freelance English-speaking jobs in Guimarães

Entry-Level Full-Stack Developer to design, develop, and maintain user-friendly web applications. Requires a Bachelor's degree in Computer Science or related field and proficiency in HTML, CSS, JavaScript, and a server-side language.

The Supply Chain Contract Manager leads the end-to-end contract management process for suppliers and service providers. This role ensures contracts align with company policy, legal requirements, and achieve best risk mitigation, compliance, and cost efficiency.

This internship focuses on maintaining and optimizing Mantu's procurement ecosystem centered around Ivalua. Responsibilities include platform maintenance, data analysis, reporting, and process automation. The role requires understanding of ETL processes, APIs, SQL, Power BI, and data warehousing concepts.

.NET Core Developer sought for hybrid/remote role. Requires 4-6 years of experience with .NET Core, microservices architecture, and SQL Server. Experience with JavaScript, TypeScript, HTML, CSS (Bootstrap), Azure, Agile, and unit testing is beneficial. Must have strong written and verbal communication skills in Portuguese and English.

Provide phone support to healthcare professionals and patients regarding medical inquiries, adverse events, and product quality complaints. Process safety and product quality information across therapeutic areas. Bachelor's Degree in a Life Science required. Native/C2 Dutch, C1 English, and additional foreign language fluency required.

The Office Assistant provides administrative support to the organization, managing office operations, handling communications, and supporting the executive team. Responsibilities include managing office supplies, coordinating meetings and events, organizing travel arrangements, and assisting with HR onboarding.

Security Engineer to monitor and analyze security events across Solaris, Windows, and Linux environments. Respond to incidents involving various protocols and support infrastructure projects. Requires proficiency in multiple operating systems, security protocols, and SIEM platforms.

Freelance recruiter needed to source and headhunt Danish-speaking candidates for international roles. Must be fluent in Danish and English, have recruitment experience, and be comfortable working independently on a commission basis.

GRiT is building a data team for a long-term project in the insurance sector. Open positions include Analytics Engineer/BI Developer, Data Analyst, Data Governance Lead, and Scrum Master/Delivery Lead. Experience in regulated environments and the tech stack (Snowflake, Talend, Dataiku, Qlik, dbt, Apache Airflow, Python) is required. French is a plus.

Processes guest check-ins and check-outs, including room assignments, payments, and resolving disputes. Answers guest calls, messages, and requests. Coordinates with Housekeeping and provides information about the property and local area. Completes daily reports and cashier/closing reports. Follows company safety, security, and appearance policies. Welcomes and assists guests, addressing their service needs. Communicates clearly and professionally. Performs other duties as requested.

Senior .NET Developers will design, develop, and maintain scalable cloud-native applications using .NET and C#. Responsibilities include building RESTful APIs, distributed backend services, and leveraging Azure services. Candidates must have 4+ years of experience with .NET development, C#, .NET Core/ .NET 8, ASP.NET Core, REST APIs, Entity Framework Core, and SQL Server.

Senior Grower oversees daily cannabis cultivation operations, supervising technicians, managing fertigation systems, and ensuring compliance with established cultivation methodologies and SOPs.

Supports the design, configuration, and implementation of SAP FI and CO modules. Collaborates with cross-functional teams to ensure seamless system integration. Delivers end-user training and support. Manages financial operations across agency services and portfolio brands. Builds and maintains roll-through cash flow models and inventory forecasts. Leads and develops a high-performing finance and controlling team. Drives budgeting, forecasting, and financial planning. Manages P&L reporting and cost controlling. Leads a team of compliance control and risk management professionals. Monitors operational compliance processes and ensures adherence to policies. Designs, builds, and oversees next-generation data ecosystem, focusing on data management and governance.

Develop business opportunities, manage strategic accounts, and position Effisus solutions in major construction and refurbishment projects. Work closely with architects, developers, main contractors, engineering consultants, and specialist subcontractors.

Internal Control Analyst to strengthen financial risk management and internal control frameworks across international entities. 3-5 years of experience in internal controls or financial audit, ideally within financial services or insurance. Fluency in English and French required.

Senior Data Engineer leads the design and delivery of scalable data architectures, including data warehouses, data lakes, and lakehouses. Responsibilities include architecting, building, and maintaining ELT pipelines, managing data infrastructure, and ensuring data governance and reliability. Requires 5+ years of experience building production data systems, proficiency in Python and SQL, and expertise in dbt, Big Data tools, Terraform, and cloud platforms (AWS or Azure).

Senior Salesforce Developer to design, implement, and test Salesforce solutions, specializing in Marketing Cloud and Data Cloud. Requires 5+ years of experience, proficiency in Data Modeling, Ingestion, Transformation, and Identity Resolution frameworks, and strong SQL, AMPscript, and SSJS skills. Must have a degree in a related field and English proficiency at B2 level or higher.

Design, develop, and test high-quality Java and Angular applications. Troubleshoot issues, optimize performance, and implement security best practices.

Graphic Designer needed for full-time hybrid role in Lisbon. Designs graphics, products, and branding materials, collaborating with the team to ensure brand identity alignment. Must hold a Master's degree in Graphic Design or related field for IEFP program eligibility.

AI Engineer to design, deploy, and scale ML and Generative AI systems, focusing on autonomous AI agents. Requires 4+ years of ML experience and prompt engineering skills.