freelance English-speaking jobs in Barreiro

Johnson & Johnson seeks a Bids & Tenders Specialist to create and register tasks, analyze tender terms, and prepare offers/tenders in various software and platforms.

Customer Technical Project Manager (CTPM) leads complex telecom core network projects. Designs, integrates, and deploys 4G/5G Core solutions. Manages subscriber data migrations and oversees cloud/virtualization deployments. Requires 7+ years of experience in IP/Telecom domain and strong understanding of 2G/3G/4G/5G networks.

Develop a concept for a national communication strategy to increase understanding of quality early childhood education and care (ECEC) in Portugal. The consultant will analyze past campaigns, identify target audiences, and develop a communication plan with key messages, channels, and activities.

Senior field sales role driving commercialization of technical additives, especially recycled reinforcement fibers. Requires 6+ years experience in plastics, compounding, or additives with an active client portfolio in the industrial sector. Must have a technical background in chemistry, industrial/materials engineering, or similar. Fluent in English and strong negotiation skills are essential.

Scrum Master to join a center of excellence for a leading multinational Fintech company. Minimum 5 years experience as a Scrum Master, Agile Coach, or Agile Delivery Lead required. Scrum Master certification and understanding of Agile principles and frameworks (Scrum, XP, Kanban) are essential. Experience with Agile Estimating & Planning, Scrum ceremonies and artifacts, and Agile Practices related to Software Engineering is needed.

Assistant Professor position in Biology, subarea of Physiology and Integrative Biology, and specialization of Animal Physiology. PhD required.

Fullstack Developer to design, build, and deliver end-to-end features using Java, TypeScript, and FirstSpirit CMS. Experience with Spring Boot, REST APIs, relational databases, and modern frontend frameworks required.

Lead the design and implementation of application security measures, including encryption, secure APIs, and identity management. Conduct threat modeling, risk assessments, and code reviews. Act as a Subject Matter Expert for security breaches, developing corrective actions. Mentor junior engineers and collaborate with engineering and product teams to integrate security into software development lifecycles.

Manage and optimize digital marketing campaigns (PPC, display, social media, search) for German-speaking clients. Analyze campaign performance, provide insights, and support clients with marketing strategies.

QA Consultant to execute functional, regression, and exploratory tests for banking digital channels. Experience in API testing, data validation, and Agile methodologies required.

Public Speaking and Debate Teacher + Monitor needed for summer camp program (June 24 - July 25, 2026). Design and deliver English language, public speaking, and communication activities for students aged 9 and above. Responsibilities include lesson planning, student supervision, and supporting evening activities. Must have a degree in English, strong communication skills, and experience in program facilitation (preferred).

Graphic Designer needed for 12-month maternity cover. Collaborate with global teams to develop engaging digital and print designs, ensuring brand consistency and innovation. Report to the Design Director and work closely with the design team, marketing, and business units.

Manages and maintains client networks, ensuring client satisfaction and network stability. Provides first-line support for IT infrastructure and systems, monitors alerts, and resolves incidents.

Provides HR administration and transactional support, including employee inquiries, policy information, and data management. Collaborates with HR departments and ensures compliance with local labor laws and company policies. Requires a degree in Human Resources Management, Business Administration, or a related field and at least 2 years of experience in a similar role. Fluency in English and German is preferred.

Infrastructure Engineer to manage, monitor, and optimize security-focused infrastructure systems in Lisbon. Requires hands-on experience with firewalls, VPNs, endpoint protection, DLP, and identity/access management technologies.

Lead enterprise-wide data governance and architecture initiatives, ensuring trusted, scalable, and high-quality data. Partner with stakeholders to align governance frameworks with business strategy and support data-driven decision-making.

Paycre seeks a Partnerships & Transactions Lead to originate and qualify real estate and digital asset transactions. This role involves developing partnerships with agents, developers, legal professionals, and cross-border clients. The ideal candidate has experience in real estate, business development, or digital assets and excels at relationship building.

Infrastructure Engineer needed for international insurance project. Responsibilities include escalating and resolving technical issues, performing root cause analysis, and creating knowledge base articles. Requires experience with Windows Server/Desktop, cloud infrastructure (Azure), SQL databases, Office 365, and PowerShell. Fluency in English is required.

The Sales & Financial Reporting Analyst creates and maintains reports on order intake, sales performance, pipeline, and financial metrics. This role supports month-end closing activities, ensures compliance with reporting standards, and provides insights to drive decision-making.

Senior Sales Solutions Specialist responsible for Sales Communications within the Europe Sales Enablement team. Collaborates with FedEx functions and Sales Europe to design and implement Go to Sales plans, using change management tools. Develops and implements communication strategies to drive Sales awareness and engagement. Tracks the effectiveness, quality, and consistency of all communications. Works with Regional Educational Specialists to customize communications. Ensures communications are delivered to targeted audiences. Leads and/or contributes to developing forward-looking initiatives.