freelance English-speaking jobs in Barreiro

Are you someone who enjoys keeping things running smoothly, solving problems, and supporting teams so they can do their best work? We're looking for a Operations & IT Specialist | Personalized Medicine | Deep Tech | Healthtech Startup to join our dynamic team on a mission to revolutionize personalized medicine.

) team members from 30+ countries around the world. We seek exceptional individuals around the world, set them up to do the best work of their lives, and in turn, create a meaningful impact in their own lives. We don't track hours, but we do manage for high expectations very closely. We collaborate across time zones, are highly async, and like to document a lot.

If you are unfamiliar with these requirements, please seek the advice of legal counsel.

Senior Java Backend Developer | full remote ( candidates based in Portugal) We are seeking an experienced Java Backend Developer with a passion for building robust, scalable, and high-quality software solutions.

We’re looking for a Frontend Developer with drive and curiosity to help build a global financial software product used by thousands. You’ll work on complex engineering challenges, delivering high-quality frontend solutions, shaping architectural decisions, and maintaining strong development standards.

Mozantech is a Tech Company from Porto specialized in Web Digital Experiences. Our team is able to deliver high‑tech solutions, consulting, turn‑key projects and nearshoring. We develop projects for different markets such as banking, finance, insurance, industry, networks, telecommunications, services, utilities and distribution.

About Us At Leadtech, we've been redefining digital businesses since 2009, creating innovative online solutions that reach millions of users every month. With a diverse team of over 700 members from 23+ nationalities, we're united by a passion for creativity and collaboration.

In partnership with our client, a market-leading SSC, Randstad is looking for an Accountant to join a dynamic and innovative team.

Location: Remote from Europe (working hours: day time CET) Key Responsibilities Build & Mentor: Build and lead high-performing engineering teams (Backend, Frontend, DevOps, Internal Games), fostering a strong culture of quality, ownership, and growth with clear career paths.

Our Vision & Products EverAI — Building the Future of AI Companionship One of the Top 15 Largest & Fastest-Growing AI Companies in the World 30+ Million Users in under 2 years — Help Us Reach 100M first, 500M next At EverAI , we’re shaping what it means to connect with AI.

Timestamp Group aggregates several leading Portuguese IT solutions and services companies around the concepts of excellence and knowledge sharing. We are committed to technological leadership, based on the quality of our service and technological solutions, supported by continuous training and certification.

Thoth AI is a cutting-edge data solutions company specializing in AI training data, content moderation, and linguistic services. We collaborate with global tech leaders to improve machine learning models and enhance user experiences across digital platforms.

Our mission Ivy Partners is a Swiss consulting firm that supports companies in their strategic, technological, and organizational challenges. We are dedicated to providing our employees with a career that fosters both personal and professional growth. We support them in enhancing their skills and offer them real prospects for advancement.

Our goal is to help our candidates and consultants to take a step forward in their careers through projects that meet their needs and expectations. Can you imagine yourself being part of a global, innovative, and ever-evolving project, where technology and creativity come together to create solutions that make a real impact?

Customer Support Team Manager (Remote in Portugal) Permanent employee, Full-time · Portugal About The Role We are looking for a Customer Support Team Manager to join the team. This is a permanent work from home position based in Portugal. This is an exciting opportunity for someone with managerial qualities and with a focus on growth.

About The Company Ethiack is pioneering agentic AI pentesting. Our autonomous pentesting agents continuously discover, exploit, and intelligently validate real vulnerabilities across a company's entire attack surface, delivering unmatched visibility, speed, and precision. Why should you join us?

Based in Portugal, Wire IT is your specialized IT consulting partner with 18 years of experience driven by an experienced and senior team that helps clients make the right decisions in a fast-moving market. Wire IT's ambition is to grow while keeping true to its nature: agile, people-centered, and fun. As we like to say: Its not only what we do, its how we manage that truly make the difference. .

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Product Designer in EMEA. This role offers the opportunity to lead the design of innovative, user-centric products in a fast-growing SaaS environment.

At ATEPELI we are dedicated to the production of exclusive leather goods and footwear components. Currently, we have 3 workshops in the north of Portugal, more specifically, in Ponte de Lima, Penafiel and Santa Maria da Feira. We are committed to providing the best possible environment to nurture our employee's skills and to flourish their talent.

French Technical Support SQL Investigation (Remote) Join to apply for the French Technical Support SQL Investigation (Remote) role at FH Collective - Academy Start Date: 6 January 2026 Remote, with 1 on‑site visit per quarter to the Porto (Douro) office Role Overview Support a fast‑growing French fintech by resolving technical issues for users.