English-speaking jobs in Castro Daire

The Headmaster will lead the whole school, especially the adolescent and upper school (12-18), toward academic, spiritual, and communal excellence. This leader will partner with the Kairos leadership team to develop a Catholic Liberal Arts education for the high school.

Technical Project Manager to drive product development initiatives from ideation to release. Collaborate with Product, Engineering, and Architecture teams. Experience with cloud environments (AWS, GCP, Azure) and Agile methodologies required.

Provide customer support via phone, email, chat, and social media in Dutch and English. Resolve customer issues, offer product and service information, and maintain accurate records.

Mondelēz International seeks recent graduates with a Bachelor's or Master's degree in Business Administration, Economy, Marketing, or Management for a 12-month internship program.

Lead Siesta Campers' global marketing vision, shaping brand perception and experience. Define and execute marketing strategy across all touchpoints, blending storytelling, brand positioning, sustainability, and performance marketing.

The IT IAM Project Management will lead Identity and Access Management projects, acting as a scrum master for Sailpoint Identity IA projects. Responsibilities include leading the deployment of a Key Management System and promoting test coverage.

Vexia - Tech & Media Group seeks a Paid Media Manager to manage and optimize Search and Display campaigns across multiple platforms. Requires fluency in Portuguese and English, proficiency in Google Ads, and experience with Google Ads. Strong interest in sports and basic understanding of sports betting are also required.

Freelance Customer Service Representatives needed for a healthcare support project. Provide product and technical support to customers across Europe. Must have full professional proficiency in German (C2 or above) and fluent English. Previous experience in customer service, technical support, and healthcare is required.

Provides executive and operational support to the CEO across two real estate companies. Manages project tracking, financial administration, and office operations. Requires fluency in English and Portuguese, strong organizational skills, and the ability to manage multiple priorities.

Senior Infrastructure Architect with 6+ years of experience in high-performance financial markets or critical trading environments. Strong Linux system administration, virtualization, and container technologies experience. Proven track record of optimizing mission-critical server infrastructure. Proficient in scripting languages (Python, shell) for automation. Experience collaborating with software development teams and infrastructure groups. Fluent in English. Must be based in Portugal with European citizenship or a valid Work Visa/Residence Card.

Data Engineer to manage and optimize complex data workflows in a UNIX environment using Teradata and Ab Initio. Responsibilities include developing SQL queries, managing data warehousing operations, and designing ETL pipelines. Requires a senior profile with 5+ years in data engineering and experience in the banking domain is a plus.

Provides administrative and operational support for HR functions. Maintains employee records, supports payroll, and assists with recruitment and onboarding. Requires a degree in a related field, at least 1 year of experience, and proficiency in Microsoft Office.

Develop, maintain, and optimize scalable backend solutions using .NET 6+, C#, and DDD/Microservices Architecture. Design and implement robust .NET WebAPIs, integrating Entity Framework/Dapper, LINQ, and SQL. Write clean, testable code with strong unit test coverage. Collaborate with teams to deliver end-to-end solutions.

Machine Learning Engineer (Recommendation Systems) for a global B2C platform. Build and improve recommendation systems, design ML solutions, and collaborate with engineers and product teams. Strong Python and applied ML engineering skills required.

Cyrex seeks a Web Penetration Tester with 5+ years of experience in web and mobile penetration testing. Responsibilities include penetration testing web apps, mobile apps, and APIs, reviewing source code for security issues, and producing clear reports with PoCs and remediation guidance. Strong OWASP Top 10 knowledge, manual testing skills, and Burp Suite expertise are required.

Sales Specialist will guide leads through the sales process, manage client relationships, and close deals. Requires sales experience, strong communication skills, fluency in English, and CRM familiarity.

Legal & Compliance Internship supporting the implementation of agile and correct procedures in data privacy and AI Ethics. The intern will provide advice on data protection and AI ethics compliance, support response to data breaches, and assist with training on data privacy and AI ethics.

Haitong Bank offers an internship program for Bachelor and Master degree students graduating in 2025/2026 interested in investment banking. Interns will gain hands-on experience in various departments, including Business, Control, and Support.

Senior Big Data Engineer with 5+ years of experience in Spark, Python, Hadoop, Hive, SQL, Linux, API, and Kafka. Solid software development, CI/CD, and DevOps experience required. Must be located in Portugal and fluent in English.

Full-Stack Software Developer needed for a global SaaS company. Design, develop, and maintain solutions using .NET, Angular, MS SQL, and PostgreSQL. 4+ years of experience with .NET technologies, HTML, CSS, JavaScript, and relational databases required. Hybrid role with 2 days per week in the Lisbon office.