freelance English-speaking jobs in Viseu

The AI Change & Adoption Manager drives colleague awareness and adoption of AI, IT services, and digital transformation initiatives. This role develops communication and training materials, manages engagement activities, and collaborates with stakeholders to ensure successful implementation of Microsoft 365 Copilot and AI-enabled ways of working.

Syensqo seeks an experienced Network Program Manager to define and drive network solutions strategy, collaborating with IT, engineering, and operations teams to design, deploy, and manage robust solutions.

Android Software Developer to join an agile team. Develop, maintain, and improve mobile application architecture. Experience with Kotlin, Android development best practices, and the full software development lifecycle required.

Leads complex AI implementations across enterprise, government, and institutional environments. Guides clients in translating business requirements into AI deployment strategies leveraging QVAC capabilities. Manages end-to-end coordination of QVAC-based implementations from kickoff through production deployment.

Provides excellent customer service, builds client relationships, and drives sales. Maintains product knowledge, visual displays, and security standards. Collaborates with team members and management.

As a Localization QA Game Tester, you will ensure the accuracy and quality of a localized game in Simplified Chinese. You will identify and correct language errors, cultural inconsistencies, and ensure adherence to console guidelines. Fluency in Simplified Chinese and conversational English are required.

Instructor to deliver theoretical and practical TOPFAS applications training, including interoperability training, at NCI Academy or customer locations. Support TOPFAS Section Head in planning and coordination. Requires NATO SECRET clearance and experience with TOPFAS applications (OPT, SAT, CAT). Must possess a qualification in one or more NCIA Academy TOPFAS courses.

Planning Lead to develop and maintain construction programmes and project controls procedures for data centre projects. Requires 7+ years of construction experience, proficiency in programming software (Asta Powerproject, Primavera P6), and strong communication and organizational skills.

The Identity Governance and Administration (IGA) Engineer will manage, design, and secure systems to support access management. Responsibilities include managing the end-to-end identity lifecycle, designing automated workflows, and ensuring IAM processes meet regulatory requirements.

Provide digital correspondence, technical troubleshooting, and community moderation support to Russian-speaking users of a leading social media network. Must be fluent in Russian and have a B2 level of English.

The Junior Inside Sales role manages a portfolio of B2B clients, processes recurring orders, and ensures a smooth customer experience. This role requires strong communication, organization, and problem-solving skills.

Provides onsite technical support to customers, manages line trials, and conducts plant audits. Coordinates regional color updates and investigates quality problems. Builds relationships with key accounts and acts as a member of the EMEA technical team. Requires knowledge of paint technology, application processes, and color matching. Fluency in Portuguese is required, with Spanish and/or English proficiency desired.

Customer Success Manager to own a portfolio of airline customers, driving long-term success, retention, and growth. Build strong relationships, align LimeFlight capabilities with customer objectives, and monitor customer health and satisfaction. Minimum 3-5 years experience in the Airline Industry or Airline Catering Industry required. Fluent in English, French a plus. Up to 20% travel expected.

IT GRC Consultant to advise Financial Services clients on governance, risk, and compliance within their IT environments. Responsibilities include assessing and improving IT GRC frameworks, leading risk assessments and audits, and designing and implementing IT GRC solutions.

Senior Distributed Systems & SRE Lead to ensure performance, scalability, and reliability of global data infrastructure. Manage cluster health, scaling, upgrades, and migrations. Develop automation solutions using Terraform and Ansible.

This role strengthens the Business Excellence team in Quality Management, designing and managing the Integrated Management System (IMS) for Siemens Mobility. Responsibilities include planning and executing the company's audit program, developing product safety management systems, and leading the Product Safety Community.

Senior Flutter Developer needed for on-site role in Lisbon. Must have 3+ years mobile development experience (Android or iOS) and 2+ years Flutter experience with at least one released app. Solid Dart, mobile architecture, OOP/SOLID, REST, and sockets knowledge required.

Senior Java Developer to design, develop, and maintain high-performance backend systems. 5+ years of Java backend development experience required. Strong knowledge of Java (11 or newer) and Spring/Spring Boot.

Mozaik Software seeks an experienced CNC Post Integrator to support customers in connecting Mozaik to their CNC machinery. The ideal candidate will have strong hands-on experience with CNC machines, a solid understanding of G-code, and the ability to guide customers through the integration process.

Legal Back-Office Advisor will verify transport operator compliance with passenger rights and manage legal claims. Requires high-level German (C1) and good English (B2), excellent communication skills, and previous customer service or travel experience is a plus.