freelance English-speaking jobs in Maia

Data Center Technician needed in Lisbon, Portugal. Full-time, on-site role supporting critical infrastructure. Install, configure, and maintain server and network equipment. Troubleshoot incidents and collaborate with teams. Requires data center or IT infrastructure experience and server/networking knowledge.

We are seeking ambitious entrepreneurs to build and scale startups in DevTools. You will receive support in hiring, product development, fundraising, and scaling your business. Must be based in Europe or the Americas and willing to relocate.

Milestone Technologies seeks a Sr Program Manager / Release Train Engineer to lead and manage a global program focused on change management and delivery for clinical trials innovation. The role involves facilitating program increment planning, coordinating cross-team dependencies, and ensuring alignment with business goals. The ideal candidate will have experience managing large, transformative programs within the GxP pharmaceutical industry, strong leadership and communication skills, and expertise in using Veeva's risk management toolsets.

Senior C# Developer will design, implement, and evolve the technical architecture of software components and services used in turbine and plant operations. Responsibilities include translating business requirements into technical designs, ensuring best-practice implementation, and mentoring developers.

Product Owner to define, refine, and prioritize user stories in a Scrum environment. Will own sprint delivery content, maximize short-term product value, and ensure product readiness. Requires proven experience as a Product Owner, strong communication skills, and proficiency in agile tools.

As a Security Engineer, you will maintain and improve Overstory's compliance platform, monitor vulnerabilities, provide IT support, and assist with audits.

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.

Space Manager to oversee daily operations, member relations, and business performance. Responsible for maintaining high standards, managing the Coworking Assistant, and presenting reports. Requires 3+ years experience in operations, hospitality, coworking, or business management.

Software Engineer specializing in modern C++ to develop device drivers for Cerebrum, a broadcast control system. Responsibilities include analyzing user stories, developing software components, writing unit tests, and collaborating in an agile team.

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.

Lead and scale a high-impact AI-driven product initiative. Define product strategy, lead a remote international team, and collaborate with stakeholders to translate market insights into product priorities. Oversee platform maturation and future capabilities, ensuring scalable architecture and sustainable development practices.

Develop and deploy Microsoft Dynamics 365 solutions, including plugins, workflows, and custom UI components. Customize CRM functionalities across Sales, Customer Service, Field Service, and Marketing modules. Integrate Power Platform, Azure services, and SQL Server. Execute quality assurance, including automated testing and performance validation.

Backend Developer will design, implement, and deploy scalable microservices in Ruby to handle high-volume requests. Experience with OOP, backend services, and collaboration is required.

Design, develop, and maintain automated test suites for web, backend, and middleware systems. Plan and execute integration testing strategies for APIs, microservices, and distributed systems. Validate data pipelines, analytics platforms, and measurement outputs.

The Supply Network Organization (SNO) Rotational Internship is a 12-month program for high-potential graduates. Participants will rotate through Lifecycle Management and Customer Service & Order Management, gaining experience in supply chain operations. The program offers mentorship, performance-based conversion to permanent roles, and development of key skills.

Application Support Consultant will handle client requests, diagnose issues, and provide technical support. Requires fluency in Dutch and English, strong communication skills, and experience in IT customer support.

QA Specialist will contribute to the strategy, execution, and monitoring of quality and testing activities for developed products. Responsibilities include translating functional specifications into test cases, executing tests, and reporting defects.

Java Developer Senior/Lead sought for a fintech company. Requires Java Backend development experience (5+ years Senior, 8+ years Lead), Spring/Spring Boot, RDBMS, JPA, Hibernate, CI/CD, and English proficiency (B2+). Lead role requires 1.5+ years living in Portugal and experience onboarding/mentoring.

Internal Auditor to execute audits across financial crime, operations, technology, and financial risk domains. Collaborate with functional heads, deliver end-to-end audits, and identify process improvements. Requires 5+ years of experience in an audit role, preferably in banking or financial services.

C# .NET Developer for a consultancy with 25+ years of experience in the technology market. Develop solutions for national and international clients. Requires 5+ years of experience in software development with C# and .NET, ASP.NET, MVC.NET, REST APIs, and microservices architecture.