freelance English-speaking jobs in Valongo

Provides robust support for digital applications, ensuring seamless operations and assisting users. Acts as Main Point of Contact for digital technical issues during major events. Manages content, incidents, tickets, and user access. Requires strong technical skills, communication, and problem-solving abilities.

Senior Cloud Infrastructure Engineer to define and drive architectural direction for a secure, scalable platform. Experience with Kubernetes, AWS infrastructure, and cloud networking required.

The Observability Engineer designs, implements, and evolves enterprise observability capabilities across platforms and services. This role ensures system health, performance, and reliability signals are visible, measurable, and actionable.

Senior Software Developer will design, develop, and maintain software solutions for process automation, service integration, and secure operations within the Corporate Cyber Security & Privacy team.

Senior Data Consultant to design and implement scalable data architectures using Databricks. Translate business requirements into data strategies and technical roadmaps. Collaborate with stakeholders to align data initiatives with business goals.

QA Automation Engineer will build and maintain automated tests for web and backend systems, focusing on UI and API workflows. Responsibilities include improving automation frameworks, testing AML/KYC/KYB journeys, and contributing to CI/CD pipeline improvements. Requires 5+ years of automation testing experience, strong Cypress or Playwright skills, and experience with REST APIs and SQL.

Seasoned MLOps Engineer to blueprint GenAI platforms and establish LLMOps practices. 7+ years experience in MLOps/platform architecture with shipped AI systems. Proficient Python and software engineering principles. Deep experience with cloud platforms (AWS/Azure/GCP) and containerization (Kubernetes, IaC). Proven CI/CD design for GenAI/ML and experience with agent orchestration frameworks. Excellent communication and interpersonal skills.

Calculations & Simulation Engineer will conduct sizing and development studies on parts, mechanical systems, and hydraulic assemblies. Responsibilities include performing analyses, creating models, and simulating behavior using CFD, FEA, electromagnetic studies, and multiphysics simulations.

Lenus is seeking an Inbound Sales Executive to manage and close leads for health and fitness coaches. The ideal candidate has a natural talent for sales, fluency in Portuguese and English, and strong self-management skills.

Azure Cloud Reliability Engineer needed. Requires degree in Computer Science, Information Technology, Engineering, or related field. Experience as an SRE or in DevOps, system administration, or software engineering is essential. Familiarity with cloud platforms (AWS, Google Cloud, Azure), containerization (Docker, Kubernetes), and monitoring tools (Prometheus, Grafana) is required. Strong scripting, programming, and problem-solving skills are necessary.

Stadler Digital Labs seeks a Product Owner to manage the product backlog, collaborate with development teams, and translate business requirements into actionable user stories.

Senior Backend Developer will design, implement, and maintain backend services and APIs using Java 21 and Spring Boot. Integrate applications with Oracle or Aurora PostgreSQL databases and build and deploy applications in AWS.

Integration Engineer to design, develop, and implement integration solutions across a complex IT landscape. Responsibilities include translating business requirements into technical solutions, developing integration workflows, and troubleshooting issues. Requires hands-on experience with ESB, API Management, and integration frameworks, as well as strong knowledge of integration protocols and standards.

Housekeeping Manager responsible for managing daily operations, ensuring guest satisfaction, and overseeing departmental costs. Requires a Specialized High School Degree and 1-3 years of hospitality experience.

As a (Junior) DevOps Engineer, you will build, automate, and improve infrastructure and tooling. Tasks include managing databases, operating Linux-based servers, implementing monitoring, and collaborating with engineering teams. Requirements include Linux system administration, networking knowledge, experience with Ansible, Docker, and Git, and programming skills in Python or Bash.

Internship at Siemens Portugal Tech Hub for 12 months. Gain SAP training and experience in solution consulting using latest technologies. Fluency in English and strong communication skills required.

Senior Environmental Engineer needed for Business Development team. Conduct Life Cycle Assessments (LCA), manage multidisciplinary projects, and monitor environmental policies. PhD in Environmental Engineering or MSc with 3+ years experience required. Proven experience in LCA using SimaPro and project management essential.

Own and shape the Document Collaboration Experience within Ideals' Virtual Data Room (VDR), leading the evolution of tools for secure document sharing and collaboration. Drive continuous improvement of existing functionalities and uncover new product opportunities through discovery, user feedback, and market research. Collaborate with cross-functional teams to define and deliver scalable solutions that empower secure, high-stakes decision-making.

Front End Engineer to develop applications using React, collaborate with designers and backend developers, and ensure user interface quality. Responsibilities include writing clean code, participating in code reviews, troubleshooting issues, and staying current with web development trends. Experience with HTML5, CSS3, RESTful APIs, and state management libraries is required.

Own the evolution of our Intercom Help Center, ensuring it becomes a scalable, searchable, and high-impact product education engine. Translate product launches into clear documentation and optimize AI-driven self-service tools.