freelance English-speaking jobs in Viseu

Dynamic Retail Sales Associate creates standout customer experiences, drives sales, and maintains store presentation. Responsibilities include customer service, product suggestion, stocking, and handling omni-channel requests. Must be at least 16 years old and able to lift up to 25 lbs.

Receptionists manage daily reception operations, serving as the first point of contact for clients. Key tasks include guest greeting, handling check-in/out, managing correspondence, and supporting administrative duties.

Call for Postdoctoral Research Assignment in Pharmacological/Biological Sciences. Develop functionalized surgical fibers for burn wound treatment, including nanoparticle synthesis and efficacy validation. PhD holders are eligible.

We’re looking for the special, unique and amazing YOU! @ KCS IT, we look for the ones that stand out, for those that always want to be better and fight for it, and for those who have the same values that we do: dedication, energy, integrity, transparency, flexibility, trust, honesty, hard work, proactivity and teamwork. At KCS we stand for equality and value diversity.

Lead an HR Admin & Payroll team providing administrative and pre-payroll support for European operations. Ensure compliance with Italian labor laws and manage data integrity. Requires 3-5 years of HR operations experience and fluency in English.

Vaccines Sales Representative covering South Portugal. Develop customer relationships, execute territory plans, and deliver personalized experiences across face-to-face and digital channels, focusing on Primary Care.

About goFLUENT For over 20 years, goFLUENT has helped organizations worldwide develop language and communication skills through innovative learning solutions that combine technology, engaging content, and live instruction.

Develop and source performance fabrics, trims, and technical components for luxury ski apparel. Requires direct experience in ski/technical outerwear, strong material taste, and managing material development from research to commercialization.

Procurement Engineer needed to manage HV/MV electrical infrastructure equipment sourcing for Scandinavian data center and industrial projects. Requires 10+ years procuring HV/MV substation gear, strong supplier management, and technical evaluation skills.

Driven English Speaking Sales Representative needed in Lisbon for a global social media platform. Execute high-volume cold calling, qualify leads, and drive account growth in digital ads. Requires proven outbound sales experience and Portuguese residency.

Postdoctoral Research Grant available in Educational Sciences at the University of Aveiro's CIDTFF. This full-time, temporary position requires a recognized researcher profile. Consult the official notice for full requirements.

Freelance Medical Customer Service Representative needed to manage clinical trial sites and ensure patient recruitment. Requires native Portuguese and English, with experience as a Nurse, CRA, or in the medical field. Focus is on patient screening and customer service via phone and email.

Support brand and digital marketing initiatives to strengthen awareness and engagement. Responsibilities include brand strategy, digital campaign execution across paid/owned/earned channels, and performance analysis. Requires 2-4 years of experience and fluency in Portuguese and English.

Dutch Customer Support Agent for a global automotive leader. Responsibilities include clarifying doubts via chat, email, and telephone. Requires native-level Dutch and advanced English.

Design and deploy advanced ML and AI solutions, including fine-tuning LLMs and implementing RAG. Requires 5+ years in Data Science, Python, and frameworks like PyTorch/TensorFlow.

Senior Golang Software Engineer to develop and maintain backend infrastructure using a Go-based gRPC microservice framework. Focus on secure API design, high-availability, and rigorous code quality through reviews.

What if we told you that, in just 18 years, PrimeIT has grown to 2,360 employees? Imagine being part of this story. Discover the 10 benefits of being a Primer ( ) and see why we are much more than just a technology company. We are looking for a Redhat Engineer with: +3 years with expertise in Redhat Linux Administrator within the IT field Comfortable with Ansible automation.

Dutch-Speaking Customer Service Agent needed to support customers via phone and email regarding warranty and appliance support. Requires native or near-native Dutch and strong communication skills.

Support a Director's daily workflow by managing bookings, schedules, and admin tasks. Requires high organization, discretion, and fluency in English. Focus is on workflow support, not final booking decisions.

This role strengthens ERM governance and operating rhythm globally. You will support the ERM framework, manage governance bodies, and ensure high-quality, decision-ready materials for senior stakeholders.