freelance English-speaking jobs in Barreiro

Emotion Mobility seeks a detail-oriented Product Owner to define, gather, and document client product requirements. The Product Owner will collaborate with stakeholders, clients, and teams to deliver innovative solutions and ensure successful product development.

Electrical Assembler needed for industrial conveyor systems. Experience in electrical assembly, wiring, and cabling required. Must interpret electrical schematics and be familiar with electrical components. Knowledge of electrical panel building, pneumatics, hydraulics, and welding is a plus.

Manages purchase requests, supports plants and commodity buyers, and maintains internal documentation. Identifies process improvements and promotes best practices. Requires fluency in English and German, proficiency in MS Office (Advanced Excel), and a Bachelor's degree. Previous experience in purchasing, procurement, and shared services is preferred.

Iterable is seeking a Marketing Web Developer to join our team and help build and maintain our new marketing website. You will develop and maintain the site, integrate complex React forms, and ensure its security and performance. You will also implement analytics and provide technical recommendations for improvements.

Backend Software Engineers will design, develop, and maintain the backend services for smart locker solutions. Experience with NodeJS, Python, MongoDB, MQTT, and AWS is required. Responsibilities include writing and maintaining code, identifying and addressing issues, and mentoring junior engineers.

Leads performance management, incentives, and people risk for a growing global agency. Designs performance frameworks, supports performance conversations, and ensures compliance with employment laws.

Equipment Supervisor Technician to supervise operation, maintenance, and inspection of resort technical equipment. Coordinate technical team, implement preventive maintenance plans, and diagnose/repair equipment failures. Manage technical records and liaise with other departments. Requires technical training in Electromechanics, Electricity, Mechanics, HVAC, or similar, with minimum 3 years' experience in technical equipment maintenance.

We are hiring French C2 speakers for international Tech Support projects in Lisbon and Porto. Applicants must have a minimum English B2 level, an EU passport or valid work permit for Portugal, and strong communication skills.

Full-Stack Software Engineer to design, develop, and evolve scalable software solutions for air and sea logistics. Collaborate across the full development lifecycle, working with business and technical stakeholders.

Communication Designer to create clear, engaging, and visually consistent materials for a global tech and broadcast company. Develop digital and print assets, support marketing campaigns, and ensure brand identity consistency. Requires a Bachelor's degree in Design or equivalent experience and proficiency in Adobe Creative Cloud.

Senior Java Architect with 5+ years of experience required. Must have strong Java skills, experience designing and validating application architectures, and knowledge of Kubernetes. Proficiency in French and English is required.

Business Intelligence Engineer to design, build, and maintain data models and ETL/ELT pipelines. Develop and maintain dashboards and reports using BI tools like Power BI. Optimize data models and reports for performance. Collaborate with stakeholders to understand reporting needs and translate business requirements into technical solutions.

Junior Backend Developer will design, build, and maintain backend services using .NET, C#, EF Core, and SQL Server. Responsibilities include collaborating with an Agile/Scrum team, ensuring code quality, and owning the full DevOps lifecycle.

Design, develop, and deploy Java applications. Ensure code quality and document technical solutions. Participate in coding reviews. Requires 4+ years of experience developing Java applications. Knowledge of JavaScript, CSS, Netbeans, Javabeans, HTML, Jira, Agile, Jenkins, or Angular is a plus.

Lead and coordinate production operations to meet targets and drive continuous improvement. Manage production KPIs, quality control, and maintenance schedules. Collaborate with cross-functional teams and train a high-performance production team.

Production Engineer needed for fast-growing Energy Solutions division in Castanheira do Ribatejo, Portugal. The role ensures production process flow, quality, quantity, costs, delivery times, and safety. Responsibilities include monitoring production reports, 5S and continuous improvement tools, production area efficiency, inventories, product quality, and production programs. Requires a degree in Engineering, Industrial Management, or similar, 2-5 years of experience, and strong communication, analytical, and problem-solving skills.

Sales Engineer & Business Development professional to lead market expansion in Portugal. Develop business opportunities, manage sales channels, and drive profitable growth. Requires industrial sales experience, technical competence (Engineering degree), and fluency in Portuguese and English.

Senior SQL Developer to design and develop a data processing application using Spark SQL. Requires 5+ years of MS-SQL development experience, expertise in Transactional SQL and Relational Databases (PostgreSQL), and experience with CI/CD tooling. Must have proficiency in English (minimum B2 level).

Office Manager / Receptionist needed for established multinational company specializing in Microsoft-based business solutions. Provides administrative support, manages office operations, and coordinates meetings and travel. Requires 2+ years of experience in a similar role, strong organizational skills, and proficiency in Portuguese and English.

Junior / Associate in Medical Writing to support projects. Draft, edit, and quality-check scientific content. Must have MSc in a scientific field, excellent written and spoken English and Portuguese, and experience in scientific writing. Remote-first, part-time (25-50% FTE).