freelance English-speaking jobs in Aveiro District

French and English-speaking Customer Service Representatives are needed for a leading car rental brand in Porto. Responsibilities include delivering personalized customer care via phone, email, and messaging. Candidates need full fluency in French and English.

Lead and mentor a team of Backend Engineers to design and operate scalable backend services using Golang and/or Java. Own technical initiatives from architecture to production, driving excellence in distributed systems and modern engineering practices.

Lead the Avinor Solution Center, ensuring roadmap delivery across scope, quality, budget, and timelines. Manage governance, stakeholder alignment, and risk. Requires 10+ years managing complex IT programs and fluency in English.

Senior Information Security Infrastructure Engineer to protect data and systems. Responsibilities include security telemetry ingestion into Elasticsearch, managing Elastic Cloud on Kubernetes, and using Terraform for infrastructure management.

Lead product development for Web, Game, and AI Automation projects, defining requirements and roadmaps. Roles involve driving AI/Data solutions, building LLM services, and leading engineering teams.

Vaccines Sales Representative - North covers assigned territory, developing customer relationships and executing plans. The role requires scientific knowledge, strong communication, and expertise in Primary Care within the Portuguese healthcare context.

Senior Data Engineer to build and migrate critical data pipelines for a Snowflake-based platform. Responsibilities include developing data integrations, building semantic models, and improving the platform using Python, DBT, and Airflow.

French-speaking Customer Support Specialist for a global gaming project. Assist players with technical issues, account management, and product inquiries via phone, email, and chat in French and English.

Motivated HR & Business Development Executive needed. Manage daily HR activities like recruitment and employee coordination while driving business growth through lead generation and client acquisition. Requires 1-5 years of relevant experience.

Develop microservices, internal and external products, and end-to-end m-commerce solutions. Implement Event Sourcing, CQRS, payment integrations, transactional email APIs, caching, and session stores. Contribute to a fast-paced, high-growth startup.

Dutch Technical Customer Success Manager needed. Requires native or fluent Dutch and minimum 2 years of B2B Sales experience. Responsibilities include managing customer portfolios and driving sales of cloud solutions.

MEP Design Manager for a world-class luxury resort and private residences. Oversee all MEP design work from external consultants, ensuring technical quality and compliance. Coordinate MEP with architecture, structure, and other disciplines. Requires a Mechanical or Electrical Engineering degree and 8-15+ years of MEP design management experience.

Experienced Oracle Fusion Cloud SCM Consultant needed for implementation and Application Management Services. Support end-to-end supply chain processes across modules like Inventory, Order Management, and Manufacturing. Requires 5+ years in Oracle SCM.

Technical Application Manager responsible for the stability, security, and compliance of core IT applications. This role involves being the main technical contact for internal customers and optimizing support processes. Requires 3+ years in IT Service Delivery or Application Security.

Lead digital transformation initiatives to evolve Global Trade Services into a Data, Automation & AI-driven organization. Drive innovation, improve efficiency, and connect business needs with technology partners.

Experienced Mendix Developer needed to build and evolve proprietary products and develop business-critical applications for international customers. Requires 2-3 years of Mendix experience and Mendix Advanced certification.

SAP SuccessFactors Consultant specializing in Employee Central Payroll (ECP) and Employee Central (EC). Responsibilities include managing payroll configuration, resolving incidents, and enhancing ECP solutions while collaborating with HR, Payroll, and IT teams.

Senior C++ Software Engineer to design and develop high-performance server and client-side applications for remote connectivity. Responsibilities include optimizing software for resource-constrained devices and recommending architectural improvements. Requires 5+ years of C++ experience.

Java Backend Web Developer will build RESTful APIs, integrate user-facing elements with server-side logic, and read/parse foreign APIs.

Java Fullstack Developer needed with 4+ years of Java experience. Skills include REST/JSON APIs, JPA/Hibernate, Angular/AngularJS, Spring/Spring Boot, and SQL. Familiarity with Git, Jenkins, and Artifactory is required.