freelance English-speaking jobs in Barreiro

This role offers rare exposure to business-critical trading systems, combining cloud engineering, DevOps excellence, and close collaboration with front-office stakeholders. Your Mission As a DevOps Engineer, you'll help design, build, and operate a new-generation electronic trading platform, ensuring high software quality, scalability, and reliability in a latency-sensitive, global environment.

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 staying true to its nature: agile, people‑centered, and fun.

Responsibilities Develop and maintain web applications using React on the front end. Work with SQL databases to create and optimize efficient queries. Collaborate with the team to integrate new features, fix bugs, and improve system performance. Apply best development practices, such as Clean Code and Test-Driven Development (TDD).

Tiko is currently hiring a Data Engineering Team Lead to join their amazing team About the company: Tiko inspires futures where girls and young women take charge of their sexual and reproductive choices, with the freedom to shape their lives.

Join to apply for the Contractor: Security Developer role at Open Home Foundation The Open Home Foundation is looking for a Security Developer to join our Ecosystem department on a contract basis. This department is responsible for the development of various projects under the Open Home Foundation umbrella, including ESPHome.

Software Developer - L2 Support Company: CSG Hi, I'm Rita Dias, your Recruiter and guide to joining CSG! We are excited to learn more about you and your unique background. As a Software Developer - L2 Support at CSG, you will be a key contributor to maintaining and enhancing our software products.

About Kairos Montessori Founded in 2017 in Cascais, Portugal, Kairos Montessori was born from the conviction that this is a providential moment to form lifelong learners-young people who delight in learning and are equipped to adapt and thrive in an ever-changing and complex world.

Job Overview We are looking for a Senior UX/UI Designer to support the creation, documentation, and evolution of user interfaces across multiple applications. The role includes maintaining design consistency, delivering high-quality design assets, and collaborating closely with development and product teams.

Schneider Electric - We are your Energy Technology Partner. We electrify, automate, and digitalize every industry, business, and home, driving efficiency and sustainability for all. At Schneider Electric, our values – IMPACT (Inclusion, Mastery, Purpose, Action, Curiosity, Teamwork) – are the foundation of everything we do.

Pay Range Base pay range: 25,000 – 30,000 € per year (actual pay based on skills and experience). Responsibilities Serve as the primary point of contact for customers, handling inquiries via phone, email, and chat. Resolve problems efficiently, empathetically, and professionally to ensure a positive customer experience. Provide accurate and comprehensive information about products and services.

About us Dorel Juvenile is the world's leading juvenile products company. Our products are available in more than 100 countries. We help families live carefree lives by providing them with juvenile products that rank highest in consumer reviews. That's what sets our products apart; durable, helpful, and caring.

⚠️ Read This First: Role Structure & Compensation This is a high-flexibility partnership designed for active professionals. Before applying, please ensure this structure fits your expectations: Income is 100% performance-based. You are paid per completed consultation and service. Availability: You must be available to accept video consultations during business hours.

About Us Reading Room is a leading digital agency with over 20 years of experience in delivering impactful digital experiences for clients across the public sector, membership organisations, and more. We're part of the Rippleffect Group, with offices in the UK, Portugal, and the Philippines.

We’re seeking a QA Engineer who goes beyond manual testing to build and maintain robust automated testing frameworks. As a key member of our engineering team, you’ll ensure the quality and reliability of our Payroll and HR software through sophisticated test automation. About Nmbrs: We’re a fast-growing scale‑up building innovative HR & payroll technology.

» Job Details# Content Moderation (French-speaking) - Social MediaLocationPorto, PortugalLanguageEnglish## Description**Experience the power of a game-changing career**If you’re looking to grow and be inspired, as a**Content Moderator in Porto, Portugal (On-Site)** you will make use of your skills, supporting our client's different areas of social media.

We're not just a company; we are a dynamic ecosystem of companies, including VASS, NATEEVO, Serbatic, vdSHOP, T4S, Comunytek, ECENTA, and CRI group. Our collective strength and the E4 Agile Method empower us to assist large enterprises in their digital transformation journey, executing ground-breaking projects from strategy to operation.

Overview At TE, you will unleash your potential working with people from diverse backgrounds and industries to create a safer, sustainable and more connected world. Responsibilities Design for Manufacturing: Contributes in reaching a product design compliant with TE Industrial Targets and allowing maximum Production Profitability.

This role involves resource management, workflow supervision, and cross-department coordination.

About the job: At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world's most innovative companies unleash their potential.

We're Hiring: IT Recruiter @ TMC | Where You Grow, We Grow At TMC, we don't believe in limits — we believe in freedom: to grow, to innovate, to challenge the status quo. That's why we created the Employeneurship model: a unique blend of employment security and entrepreneurial freedom.