freelance English-speaking jobs in Guimarães

Leads the implementation, support, and evolution of transportation technology solutions within J&J's supply chain. Responsible for technical leadership, stakeholder collaboration, and continuous improvement of transportation applications. Drives development and selection of technical solutions, tests concepts, and documents system enhancements. Collaborates with business product managers and development teams to define product strategy and gather requirements.

Cloud DevOps Engineer will design, implement, and maintain CI/CD pipelines using AWS and GitLab. Responsibilities include automating application deployments, managing containerized applications with Docker and Kubernetes, and building scalable cloud environments with Terraform.

Lead the design and implementation of enterprise-grade AI and Generative AI solutions. Define AI architectures, governance standards, and scalable, secure AI ecosystems.

Provide customer support via phone, email, and chat, troubleshooting issues and meeting service level agreements. Must have 1+ year of experience in customer service or technical support, experience handling complaints, and proficiency in German (C2 level) and English (B2 level).

Senior/Expert Oracle PL/SQL Developer sought to solve complex challenges and optimize performance in large-scale data environments. Requires 4+ years of PL/SQL development, database performance analysis, C#/.NET knowledge, and experience with Agile methodologies.

Build, operate, and shape the foundational infrastructure powering n8n Cloud. Responsibilities include designing, building, and operating infrastructure, driving observability and automation, contributing to on-call rotation, and collaborating with cross-functional teams. Must-haves include solid infrastructure/cloud/DevOps experience, application development with Node.js, CI/CD pipelines, observability and performance tuning, and proficiency with Kubernetes, Terraform, and one or more major cloud providers.

Project Controls Senior Engineer will manage commercial and scheduling aspects of data center construction projects. Responsibilities include preparing estimates, reviewing cost planning, monitoring schedules, and identifying risks. Requires estimating/quantity surveying qualification, 5-8 years' experience, Primavera P6 proficiency, and strong communication skills.

Senior Customer Support Manager will own complex customer inquiries, provide technical support, and improve internal processes. Must have 4+ years of experience in technical customer support, strong communication skills, and experience with support ticketing systems.

Conduct research, analyze data, and develop innovative solutions for complex computer science problems.

Accounting Analyst to review EPC contracts, track project costs, and ensure compliance with IFRS and group policies. Manage asset lifecycle, prepare grant applications, and support audits.

Senior Full Stack Software Engineer will build scalable solutions using .NET, own the SDLC, and craft user interfaces with React. Requires 5+ years of experience with C#, .NET Core, SQL Server, JavaScript, and testing practices.

An Internal Account Director develops and implements recruitment and retention (R&R) strategies to meet customer goals. They collaborate with sales, project teams, and customers to understand needs, develop solutions, and identify growth opportunities.

Develop and enhance SAPUI5/Fiori applications, supporting maintenance of existing solutions. Collaborate with teams to address business challenges and integrate Fiori/UI5 with S/4HANA and SAP BTP components.

Back-end Developer with experience in Camunda or equivalent BPM technologies needed. Develop and maintain back-end services, implement business logic and workflows, and integrate with databases and core systems. Collaborate with teams to ensure quality, performance, and scalability of solutions.

Lead Mechanical Rotating Equipment Engineer to assist the Technical section. Updates maintenance plans, supports FPSO operational teams, develops maintenance methods, and performs technical studies. Analyzes equipment performance, coordinates repairs, and supervises receipt of materials. Requires a University Degree in Mechanical Engineering or equivalent and knowledge of TOTALENERGIES Process.

Backend QA Engineer will design and execute tests for APIs, databases, and backend services. Collaborate with engineers to ensure high-quality standards. Requires 2-3 years of experience with Node.js, TypeScript, PostgreSQL, and API testing tools.

.NET Developer needed for a long-term product-focused role in Lisbon. Design, develop, and maintain software components for a gas flow management product. Collaborate with cross-functional teams to translate operational challenges into digital solutions. 3+ years of experience with .NET, ASP.NET Web API, WCF, SQL Server, and Oracle databases required.

Cobol Developer needed for a national project. Translate business needs into technical specifications and develop/maintain legacy COBOL code. Utilize AI-assisted tools for code refactoring and modification. Build and maintain unit/integration test suites and participate in agile ceremonies.

Data Analyst Alteryx needed for a hybrid project in Lisbon, Portugal. Requires 5+ years of experience as a Data Analyst, strong Alteryx Designer skills, and proficiency in Power BI and SQL. Responsibilities include designing, developing, and maintaining Alteryx workflows, optimizing existing workflows, and collaborating with stakeholders.

Senior Epidemiological Programmer will lead development of datasets and conduct longitudinal analyses for observational studies in virology. Requires experience with EMR and claims data, statistical programming (SAS/R), epidemiological study design, and managing multiple studies.