freelance English-speaking jobs in Maia

Technical Owner to guide technical direction for early-release game prototypes focused on validating fun, retention, and new mechanics. Shape workflows and tools to enable rapid prototyping and iteration. Collaborate with Product and Engineering Managers to improve outcomes. 5+ years of Unity experience and expertise in software design patterns required.

Software Engineer with minimum 3 years experience in Java (8+) and frameworks (e.g. Spring). Experience with CI/CD tools (Gitlab, Jenkins), RESTful and SOAP APIs, and Agile development.

The Property Manager Junior supports daily property operations, administration, and maintenance oversight. Responsibilities include tenant assistance, documentation management, financial tasks, and coordination with service providers.

Develop radar-based perception algorithms for ADAS, integrate, test, and validate software on embedded platforms and simulators. Analyze measurement data, evaluate requirements, and contribute to a global team.

Develop and maintain secure Android applications for digital identity and biometric verification. Write clean, maintainable code and perform thorough testing. Collaborate with stakeholders in the Netherlands and Porto.

Property Accountant needed for international, fast-paced environment. Manage tenant billing, support service charge reconciliations, and follow unpaid rents. Experience with Yardi software and real estate accounting principles required.

UX/UI Designer to join a multi-disciplinary team developing digital product solutions for the fashion industry. Collaborate with stakeholders, conduct user research, and design user interfaces. 3+ years of experience as a UX/UI designer required. Proficiency in Figma and HTML/CSS.

The SNO Project Manager will translate strategy into actionable plans and roadmaps, lead the SNO Project Management Program, and support the SNO Leadership Team with communication materials.

Mechanical Engineer needed for on-site role. Requires Bachelor's degree in Mechanical Engineering, 1+ year experience in industrial/manufacturing maintenance, knowledge of pneumatics, hydraulics, vibrations, lubrication, SAP, and strong problem-solving and communication skills.

Manage and disclose security vulnerabilities and incidents across Red Hat software, Fedora, and other open source projects. Ensure Red Hat Product Security processes align with the EU Cyber Resilience Act (CRA) and other regulations. Conduct risk assessments and communicate risks to stakeholders. Contribute to customer-facing security documentation and metadata.

SAP FI/CO Consultant with minimum 3 years experience required. Proven experience migrating from SAP ECC to S/4HANA and in-depth knowledge of FI modules (GL, AP, AR, AA, Tax) needed. Fluency in English and Portuguese is essential.

Manage overall store operations and performance, including sales, customer service, merchandising, and stock management. Lead and motivate a team, ensuring compliance with policies and procedures.

La Rochelle Université and partner institutions seek full-time lecturers (ATER) and research fellows for Computer Science and related technology areas. Positions require proven research activity and potential integration into research teams.

German-speaking Customer Consultants handle inbound calls from customers intending to cancel contracts, aiming to retain them through service, upselling, and cross-selling.

Store Manager to oversee all store operations and performance in a new Carhartt WIP location in Porto. Responsibilities include managing sales staff, ensuring customer satisfaction, visual merchandising, and reporting on sales and inventory.

Customer Service Representatives needed to support global brands in Lisbon. Fluent in French, Spanish, Italian, German, Dutch, or Swedish required. Provide phone, email, and chat support.

Application Manager / Solutions Architect needed for public sector projects. Expertise in solutions architecture, application lifecycle management, and vendor management required. Must have Portuguese fluency and eligibility for GNS clearance.

Senior Java Developer will develop, test, and maintain Java applications for a pioneering tech company. Responsibilities include collaborating with teams, participating in code reviews, and ensuring code security and scalability. Requires 5+ years of Java experience, proficiency in Spring Boot, PostgreSQL, Redis, Docker, Kubernetes, and cloud services. Fluent English required.

Linux & Cloud Infrastructure Engineer needed with expertise in package management, containerization, Microsoft Azure, and Linux distributions. Must have strong automation skills using Bash and/or Ansible, and knowledge of Checkmk or similar platforms and CI/CD processes.

Senior Data & AI Engineer to build, maintain, and improve real-world AI data pipelines and operational AI agents for Line Coach, an AI assistant used in brewery production environments.