freelance English-speaking jobs in Barreiro

SplitMetrics is a global software company offering an ecosystem of products and services that serve as a growth engine for top mobile‑first businesses worldwide. Products and Services SplitMetrics Acquire – a platform for automating and optimizing Apple Ads. SplitMetrics Agency – a full‑service mobile marketing agency staffed by top experts.

We're Hiring: Machine Learning Specialist (2x Lisbon) We are looking for an experienced Machine Learning Specialist to lead and develop advanced AI and ML solutions, including generative AI initiatives. If you combine strong technical expertise with leadership skills, this role is for you. Requirements 5+ years of experience as a Data Scientist / ML Specialist.

Join to apply for the Senior Innovation Project Manager role at Hovione Hovione is an independent family owned international group of companies.

Your connection with Aubay starts in the following lines: Aubay Portugal is a multinational French company, in Portugal since 2007. We have offices in Lisbon and Oporto and we are a specialized consultant in Management, Implementation, Development and Maintenance of Information Systems.

This portfolio includes the Upwork Marketplace, which connects businesses with on-demand access to highly skilled talent across the globe, and Lifted, which provides a purpose-built solution for enterprise organizations to source, contract, manage, and pay talent across the full spectrum of contingent work. From Fortune 100 enterprises to entrepreneurs, businesses rely on Upwork Inc.

Building the Future of Crypto Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. What makes us different? Kraken is a mission-focused company rooted in crypto values.

Description About Us WTW is an award-winning advisory, broking and solutions company that helps clients around the world turn risk into a path for growth. From the Titanic ship in 1912 to The Moon Buggy in 1971, WTW has a richness in insurance history dating back to 1828.

We build products, services, and experiences that inspire, excite, and delight. We work at scale across all devices and digital mediums, with people in 39 countries. Our culture is dynamic and non-hierarchical. By this point, your role is not just about the tech you know or how you code. It is about what you want to do with that knowledge. Can you help teammates progress?

At Genpact, we don't just adapt to change—we drive it. AI and digital innovation are redefining industries, and we're leading the charge. Genpact's AI Gigafactory , our industry-first accelerator, is an example of how we're scaling advanced technology solutions to help global enterprises work smarter, grow faster, and transform at scale.

NET · AI-driven Development We are looking for a Senior . NET Developer for our client in Portugal with strong Azure expertise and a modern, AI-enhanced development mindset. If you are passionate about building scalable back-end solutions, integrating cloud services, and working in an Agile environment. Responsibilities Design, develop and maintain back-end services using .

We are seeking a hands-on Software Security Engineer to move beyond simple analysis and take ownership of fixing vulnerabilities. In this role, you will act as the primary remediation expert, diving into the code to resolve security flaws across a diverse landscape of applications.

Ascendix Technologies, founded in 1996, is a global expert in automating commercial real estate processes through our flagship products AscendixRE, Composer, and more. Leveraging our extensive expertise in CRM technology and commercial real estate, we strive to help real estate professionals work smarter, not harder, when closing deals.

We are looking for a Lead Python Developer to drive Gen AI use case implementations that empower business departments through cutting‑edge AI products. In this role, you will partner closely with stakeholders and contribute to pioneering projects directed by EPAM's Innovation Lead. Join us to influence the future landscape of AI‑powered business solutions.

At Hexa Consulting we want to spread transparency and enable diverse tech careers. Based in Portugal, we can answer the increasing demand in the IT sector. Our mission is to build strong relationships, be a leading partner through a differentiated approach in IT consulting and contribute to the professional and personal development of our team.

We are currently seeking a passionate and experienced HR Executive to coordinate the Employee Relations Operational Area for Resort Hotels. The Pestana Hotel Group is the largest Portuguese hotel group with more than 100 hotels in 16 countries across three continents.

This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency. At Mindrift, innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI.

About the Role We are seeking a highly motivated and detail-oriented professional with a degree in Computer Management, Computer Science, or Applied Mathematics to join our team as an Information Systems Architect. In this role, you will ensure the consistency and integrity of our PF Information Systems, aligning them with our Functional, Applied, and Technical Architecture standards.

As the founding entity of RAINBOW PARTNERS, Quanteam is a consulting firm specializing in the fields of Banking, Finance, and Financial Services.

We are looking for a Backend & API Developer to join our team! Responsibilities and Tasks: Design, develop, and maintain backend services and RESTful APIs using .

Join to apply for the Principal Account Specialist role at Docker, Inc. 1 day ago Be among the first 25 applicants This range is provided by Docker, Inc. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range At Docker, we make app development easier so developers can focus on what matters.