engineer English-speaking jobs in Sesimbra

Lead the design, development, and implementation of ETCS signaling solutions for railway projects. Provide technical expertise in signaling systems engineering, ensuring compliance with ERTMS standards. Collaborate on system architecture, integration, and validation of advanced railway signaling systems.

Build the discovery feed and recommendation engine for a new marketplace helping people achieve their goals. Design, implement, and iterate on large-scale ML systems, partnering with the CEO and co-founders.

Provide customer support via phone, chat, and email for a leading European automotive brand. Fluent Danish and B2 English required. Previous customer service experience preferred.

Market Intelligence Manager to shape global strategy by analyzing market trends, competitor landscapes, and customer needs. Lead market sizing and trend analysis, build account profiles, and analyze competitor performance. Collaborate with cross-functional teams to embed insights into business strategies.

Junior / Associate in Medical Writing to support projects. Draft, edit, and quality-check scientific content. Must have MSc in a scientific field, excellent written and spoken English and Portuguese, and experience in scientific writing. PhD completed or ongoing, or equivalent experience preferred. Remote-first, part-time (25-50% FTE).

Lead Data and Analytics Platform teams, building and operating data infrastructure for decision-making across GoCardless. Develop a high-performing team of data engineers.

Junior Digital Marketer to manage social media, build newsletters, and assist with SEO and marketing campaigns. Must have strong design sense, be detail-oriented, and fluent in English.

Experienced Project Managers needed for Telecommunications projects in Lisbon or Porto. Plan, execute, and deliver projects within scope, budget, and schedule. Manage cross-functional teams, identify risks, and ensure project compliance.

Experienced and responsible Residential Primary Deputy – Head of Boarding needed for KCC Summer Camp (June 24 - July 25, 2025). Reports to the Summer Camp Director, overseeing boarding routines, health and safety, staff supervision, and student welfare. Must have experience in residential care, strong leadership skills, and the ability to manage emergencies and communicate with families.

Provide player support for over 1,000 games developers globally. Manage social media channels, respond to game issues, and collaborate with community managers.

Lead the development and execution of penetration testing strategies, build and mentor a team of offensive security engineers, and collaborate with cross-functional teams to enhance security posture.

Associate Digital Consultant, Salesforce supports clients in designing and implementing scalable Salesforce solutions. This role involves collaborating with clients and internal teams to understand business needs, translate them into Salesforce-based solutions, and assist in solution design, configuration, and user adoption.

Develop, optimize, and maintain Oracle databases and PL/SQL code. Define and govern data models in collaboration with architects and business stakeholders. Analyze and improve database performance. Integrate Oracle databases with .NET / Entity Framework. Ensure data consistency, quality, and traceability.

Senior Quality & Process Manager ensures high quality standards for web solutions and applications. Responsibilities include test execution, reporting, and creating automated scripts with Playwright. Requires 7+ years of QA experience, test automation skills, and strong communication. Fluency in English is required, German is a plus.

The Key Account Manager will drive growth of VYVGART® in Lisbon and Southern Portugal. Responsibilities include developing territory and account plans, securing formulary access, achieving sales targets, and building relationships with healthcare professionals. The role requires strong selling skills, commercial acumen, and experience in the biopharmaceuticals industry.

Lead and mentor a team of backend and frontend developers to build the Wellhub product. Design, develop, and maintain multi-platform web and responsive mobile interfaces and systems. Troubleshoot platform issues and identify opportunities for improvement. Collaborate with cross-functional teams to deliver high-quality solutions.

Receptionist provides front-desk services, welcomes guests, manages reservations, and handles inquiries. Requires strong communication, organizational skills, and proficiency in Portuguese and English.

Individual Contributor responsible for managing a portfolio of partners in Iberia. Develops strong communication channels, fosters trust, and collaborates with cross-functional teams to ensure partner success. Requires 2-4 years of experience in business development, account management, or client-facing roles. Fluent in Spanish and Portuguese.

The Service Delivery Manager for Workplace is responsible for the end-to-end delivery of Workplace and collaboration tools. This includes service management, governance, and continuous improvement for Microsoft 365, endpoint management, and collaboration tools.

Part-time Tax Representative & Client Advisor needed for growing international firm. 3+ years of Portuguese tax experience, focus on IRS and property taxes, required. Experience with non-residents and Golden Visa clients is a plus. Native Portuguese and fluent English required.