English-speaking jobs in Seia

Tool and Equipment Mechanical Engineer will manage projects, design tooling and fixtures, and support workshop operations. Requires a Bachelor's or Master's degree in Mechanical Engineering, strong experience in Solid Works, and knowledge of aviation legislation.

Heating Spec-in & Sales Engineer will manage customer relationships, identify business opportunities, and develop sales strategies for the Heating business.

Data Analyst will design and implement a data integration solution using APIs and data virtualization to improve data accessibility and quality. The role involves gathering requirements, developing dashboards, and validating solutions with stakeholders.

Social Media Customer Support Specialists fluent in Dutch and English are needed for an on-site position in Porto, Portugal. Respond to customer inquiries, complaints, and comments via social media platforms. Provide solutions to customer issues while demonstrating empathy and professionalism.

SAP ABAP Developer with 2+ years of experience needed for a dynamic team. Develop and maintain SAP solutions, collaborate with functional teams, and work with SAP Fiori/UI5.

Technical Project Manager to support solar PV, wind, and energy storage projects across their lifecycle. Responsibilities include technical solution development, report preparation, budget monitoring, and project scheduling. Requires Electrical or Telecommunications Engineering background and 3+ years of experience in renewable energy or power grid environments. Fluency in Portuguese and English is required.

Microsoft Systems Administrator needed for enterprise environments supporting 10,000+ users. Design, administer, and implement infrastructures and systems, including virtualized environments (Hyper-V and VMware), hardware, and Microsoft SQL Server.

KCS IT seeks an Angular Frontend Developer with 4+ years of experience. Requires strong Angular (version 10+), TypeScript, JavaScript (ES6+), HTML5, and CSS3 skills. Experience with reusable components, services, routing, REST APIs, RxJS, and Git is essential. Fluent English is required.

PrimeIT seeks a Senior Network Engineer to design, implement, and maintain network infrastructure. Responsibilities include coordinating with stakeholders, analyzing network performance, and resolving incidents. Requires proven experience with network protocols and topologies, multi-vendor equipment, and strong analytical skills.

Night Auditor needed for a 5-star hotel in Lisbon. Responsibilities include processing guest registrations, balancing nightly services, and preparing reports. Requires experience as a Night Auditor, attention to detail, and fluency in Portuguese and English.

Senior .NET Developer to build scalable, modular software architecture. Requires proficiency in C# .NET, experience with back-end development, RESTful APIs, databases (SQL and NoSQL), cloud services (Azure), and Agile methodologies. Fluency in English is essential.

Drive business growth by identifying opportunities, building client relationships, and delivering solutions in the water and environmental services sector.

Java Software Developer needed for a hybrid project in Porto or Lisbon (2 days/week). Requires a degree in Computer Science, Information Technology, or related field, plus 3+ years of software development experience with Java, Spring Boot, Angular, ELK, and PL/SQL. Must have experience with RESTful APIs and Scrum. Proficiency in English (B2 minimum) is required.

Data & AI Consultant will lead digital transformation projects, build data and AI capabilities for clients, and deliver data strategies for new products and services.

NTU International seeks experienced professionals to support the EU Global Gateway Initiative. Experts will contribute to investment-oriented development projects, including policy development, project preparation, and stakeholder coordination.

Help shape how Pleo builds AI-powered product features, working alongside software engineers, data engineers, and data scientists. You'll translate complex business challenges into scalable AI solutions, own the evaluation and operationalization of AI features, and partner with the GenAI Core platform team. Proven experience shipping GenAI features at scale in a customer-facing product is required.

Cybersecurity Expert to design, implement, and monitor security policies and controls. Identify, assess, and manage cybersecurity risks, investigate incidents, and contribute to risk mitigation strategies.

Fullstack Developer will design, develop, and maintain software solutions for a sports entertainment platform. Responsibilities include unit testing, code improvement, and documentation. Experience with agile methodologies, clean code, and design patterns is required. Frontend skills include ReactJS and JavaScript testing tools. Backend experience with Java or similar OOP languages is preferred.

Senior Java Developer to design and develop service platforms using microservices, event-driven architectures, and cloud-native technologies. Requires 5+ years experience with Java/Spring and experience with SQL Server and PostgreSQL.

Develop and maintain web applications using Angular (v8+), perform version upgrades, and build user-friendly interfaces. Collaborate with backend teams, debug, optimize performance, and write unit tests.