English-speaking jobs in Castro Daire

Customer Support Specialist fluent in Russian to provide in-game support, handle player inquiries, and contribute to process optimization.

Manual QA Engineer needed to ensure high-quality software delivery. Responsibilities include manual testing, test case creation, defect tracking, and collaborating with developers. Requires 3+ years of experience in QA testing web applications, strong understanding of SDLC, and proficiency in JIRA. Must be fluent in English (B2+). This is an on-site position in Lisbon, Portugal. Relocation support is provided.

Respond to customer inquiries regarding hardware and software products. Provide support, guidance, and solutions. Achieve high first contact resolution and customer satisfaction. Maintain detailed documentation for each support incident.

Senior Frontend Developer (Angular) needed for a project in Porto (Hybrid). Requires 9+ years of experience in FrontEnd Development, including Angular, ASP .NET MVC, and C#. Must have strong analytical and problem-solving skills and excellent English communication. Responsibilities include implementing and maintaining web applications, migrating from legacy frameworks, and mentoring junior developers.

Junior Linux Kernel Engineer will collaborate with a global team to develop and maintain the Ubuntu Linux kernel. Responsibilities include diagnosing and resolving kernel issues, improving tooling and automation, and submitting kernel patches. Must have programming experience in C and/or Rust, familiarity with version control, and understanding of operating system kernel fundamentals.

Research Scientist/Data Analyst will lead data-driven research studies, formulate hypotheses, design methodologies, analyze large datasets, and translate findings into publications and product insights. Must have PhD, commercial experience, healthcare background, and experience leading studies from hypothesis to publication.

Research grant for a Master's Degree in Engineering Physics or a related field within the framework of project UID/04968/2025(B2). The grant will support research on photoelectrodes for solar water splitting. Preference given to candidates with experience in (nano)materials development and characterization techniques.

Provides second level support for Road transport management applications. Processes, analyzes, and solves support requests. Prepares, executes, and controls program changes.

Support Buyers with issue resolution, system setup (SAP Ariba and SAP), and contract management. Maintain product and supplier master data. Assist users with Ariba and ensure compliance with purchasing procedures.

Lead adversarial security reviews of AI-enabled systems, APIs, and automation platforms. Design, assess, and challenge security architectures for AI agents, automation workflows, and identity flows. Develop automated Red Team tooling to test security assumptions and translate findings into actionable design improvements.

Machine Learning Engineer will identify business problems, develop and deploy machine learning solutions, and monitor their impact. Requires a degree in a relevant field, knowledge of machine learning algorithms, and experience with Python and related libraries.

Agile Coach to guide squads and individuals in adopting Agile methodologies, mentoring team members, and facilitating Agile practices.

Lead and scale the digital design organization, translating specifications into RTL implementations and overseeing end-to-end design execution for SoCs. Drive quality, innovation, and collaboration across multiple silicon programs.

The Senior Accountant leads monthly, quarterly, and year-end closing activities, including reconciliations, general ledger entries, and cost allocations. This role provides guidance to junior and intermediate accountants and participates in process improvement initiatives. Requires 7-8 years of accounting experience with at least 4-5 years in closing & reporting and general ledger reconciliations. Experience with SAP (preferably S/4 HANA) and Excel is necessary.

Provide Ukrainian-to-English interpretation services remotely for a global service provider. Must have C1 proficiency in both languages, EU citizenship or Portuguese work permit, and a high school diploma.

Testo seeks a Developer to design, implement, and maintain SAP solutions in S/4HANA and SAP BTP. The role involves developing and integrating services using SAP CAP, RAP, OData, and APIs, as well as supporting the design and configuration of Cloud Integration interfaces. Applicants should have a Bachelor's degree in Computer Engineering or a related field and solid experience with database operations, RESTful APIs, Git, and cloud/PaaS environments.

Senior Consultant for Global Compensation & Benefits will lead and optimize global compensation processes, advise on C&B matters, and manage relationships with external consultants. Requires a master's degree, 8+ years of experience in C&B within a multinational company, and advanced proficiency in MS Office and HR applications. Fluent English required, German is a plus.

Design, develop, and maintain scalable backend services using Node.js. Build RESTful and GraphQL APIs. Collaborate with teams to deliver high-quality software.

Arabic Digital Marketing Specialist needed for on-site role in Lisbon. Manage customer support for digital advertising products and paid campaigns. Must be native Arabic speaker with B2 English and experience in Paid Campaigns and Digital Marketing or Marketing Customer Support. Valid Portuguese work permit required.

Product Development Technician to assist in developing new products from concept to industrialization. Prepare technical drawings, prototypes, and documentation. Support analysis of technical and functional requirements. Collaborate with various teams and ensure compliance with standards.