freelance English-speaking jobs in Barreiro

Junior Operations Manager will lead and scale hotel operations in Porto, ensuring exceptional guest experiences. Responsibilities include landlord relations, vendor management, property maintenance, brand experience, financial management, legal compliance, team leadership, and daily operations.

SAP Basis professional required for S/4HANA and RISE environments. Expertise in performance tuning, sizing, and capacity planning. Hands-on experience with SAP Cloud ALM, transport management, and dual-track landscapes.

Aubay is seeking a Product Owner with a Bachelor's or Master's Degree in Computer Science, Engineering, or a related field. Requires knowledge of Sage X3, banking exchange protocols, CFONB standards, and SEPA flows. Experience in application operation, including technical supervision and incident analysis, is necessary. Proficiency in English is mandatory.

Business Development Manager to drive growth by identifying and developing new commercial opportunities in the biotech and life sciences sectors. Manage the full sales cycle, build client relationships, and collaborate with internal teams. Requires experience in business development, sales, or related roles within the biotech, CRO, or CDMO environment. Significant travel is required.

.NET and Python Developer needed with 6+ years C# experience and proficiency in OOP, design patterns, web APIs, and SQL/ORM frameworks. Must be located in Portugal and proficient in English.

Lead a team of application support analysts, manage workloads, and ensure the smooth operation of business-critical applications. Oversee incident and problem resolution, coordinate root cause analysis, and act as a liaison between stakeholders and technical teams.

Design, build, and operate AI solutions end-to-end, including data preparation, model integration, evaluation, deployment, and monitoring. Translate business needs into working AI designs and collaborate with architects, platform engineers, and stakeholders. Contribute reusable AI assets and build with production discipline, ensuring testing, version control, CI/CD alignment, and performance/scalability considerations.

Senior Tech Lead to design and architect innovative payment solutions using Java 17/21, Spring Boot, and a modern tech stack. Lead a team in Porto, collaborating with international stakeholders. 5+ years of experience in backend architecture within financial services or payments required.

Experienced HR & EHS Manager to lead HR and EHS functions in Portugal and Poland. Develop and execute HR strategy, manage HR KPIs, oversee policies and employee relations, and lead talent development initiatives. Ensure compliance with labor legislation and implement EHS strategy across operations.

Senior CRM Marketing Officer responsible for campaign supervision, quality assurance, KPI monitoring, and performance reporting. Liaises with project managers and operational teams. Requires fluency in English and French.

Research Fellowship for a Master's degree holder in Biochemistry, Applied Biology, Biotechnology, Chemical and Biological Engineering, Bioengineering, or Biological Sciences. The fellowship is for 5 months and involves developing and optimizing a bioprocess for producing biosurfactants. The grant is €1309.64 per month.

Automation Tester with 3+ years of experience in software quality assurance and test automation. Strong proficiency in UFT and Selenium required. Knowledge of Java, C#, or Python and fluency in French (B1 minimum) and English are also required.

Junior Java Developer to develop and maintain backend services using Java and Spring Boot. Collaborate on microservices-based architectures in a banking domain project.

Lead Full Stack Engineer (Node.js & React) to build and scale a payments integration platform. Responsibilities include designing, implementing, and managing complex payment API integrations, collaborating with teams, and leading the development of the fintech platform. Requires 3+ years of Node.js experience, Git, MySQL, RabbitMQ, and Redis.

Leads a team of UX/UI Designers and UX Architects, managing team performance, budget, and recruitment. Actively participates in design activities, providing guidance and expertise on interaction design, prototyping, and mockups. Ensures team adherence to company processes and best practices while fostering continuous improvement within the UX team.

As an event engineer (Sound & Light) at ROBINSON, you'll set up and operate sound and lighting equipment for various events, including dance shows, performances, and beach parties. You'll collaborate with other teams to coordinate programs and ensure a memorable experience for guests.

Senior Functional Analyst needed for complex projects in funds, securities, and insurance. Requires 5+ years experience, strong process mapping and communication skills, and knowledge of agile methodologies.

Senior Frontend Engineer to build and maintain the frontend experience for bunch's platform. Responsibilities include building applications, collaborating with cross-functional teams, and leading technical decisions. Requires 5+ years of experience building frontend applications, fluency in TypeScript, and deep expertise in React.

Product Manager (IT) to define and implement value management frameworks, translate strategic objectives into measurable outcomes, and contribute to product roadmap prioritization.

Research studentship for a master's student to work on a project investigating the mitochondrial nexus in onco-cardiology. Tasks include participation in meetings, collecting interviews, designing a graphic novel, and presenting the artifact. Must have a degree in Communication Design, Graphic Design, Digital Design, or Multimedia Design and experience in illustration for graphic novels or comics.