freelance English-speaking jobs in Valongo

Capgemini Engineering seeks a Technical Consultant in Lisbon with experience in database administration, backups, recovery, and tuning. The ideal candidate has knowledge of SQL, Oracle, XML, .Net, HTML, IIS, and SSL.

Principal Game Designer for Hole.io will design, prototype, and refine gameplay features. The role focuses on core mechanics, player interaction, and overall game feel. Requires 7+ years of experience in F2P mobile game design, Unity experience, and a strong understanding of game feel and player control.

Your opportunity At Mollie, we're on a mission to make payments and money management effortless for every business in Europe. Serving more than 250,000 businesses across the continent, we aim to cut through financial bureaucracy that hinders great ideas from growing.

As a DevOps Engineer, you will maintain and optimize our scalable, secure, and automated infrastructure across cloud and hybrid environments. You will build highly reliable systems, enable fast and safe software delivery, and ensure cost efficiency, security, and operational excellence. Responsibilities include designing, implementing, and maintaining infrastructure, managing CI/CD pipelines, supporting containerized environments, and implementing robust monitoring systems.

Linux Engineer needed for a project in Lisbon (Hybrid). Requires 5 years of System Administrator experience, Linux Administration (SLES, CentOS), Virtualization (VMware), and scripting/automation (Bash, Ansible, Perl, Python). Excellent English (C1) and communication skills are essential.

Data Scientists at Revolut build and lead data science teams, improving product performance through data-driven solutions. They collaborate with product teams to research, develop, and productionize scalable data products.

Junior Electronics Technician will perform Incoming Quality Control (IQC) and ADM inspections, prepare reports, and coordinate with departments. Responsibilities include managing waste, assembling/disassembling equipment, and supporting team members. Requires a high school diploma, logistics experience, and proficiency with MS Office Suite and ERP systems.

Senior Fullstack Developer with experience in Object-Oriented Programming (OOP) and proficiency in writing efficient code using best practices. Must have fluency in English and experience with Ruby on Rails, Typescript, Python/Django, Git, Linux/Mac OS, and automated provisioning tools.

Director, GTM Operations will architect and execute global growth strategies. Responsibilities include improving the customer journey, collaborating with Revenue Leadership on territory management and quota setting, analyzing data to inform strategy, and mentoring a team of 12.

Senior Software Engineer with 5+ years of Java backend development experience, including microservices, Azure, Kubernetes, and DevOps. Must have experience with API development, troubleshooting, and Agile environments. Fluent Portuguese and English required.

Key Account Manager will manage customer accounts, develop sales strategies, and achieve revenue targets for built-in appliances. Requires a degree in Management or Marketing and 4 years of experience managing the built-in category.

Experienced SAP EWM Consultant needed to design, configure, and support S/4HANA EWM solutions. Ensure seamless integration with PP-PI, QM, IM, SD, and PM modules. Analyze business requirements and provide functional solutions.

Customer Service Representative will handle inbound calls, identify customer needs, and provide tailored solutions. Must be native in Dutch, German, or French (C1 level), have 1 year of customer service experience, and be proficient in Microsoft Office Suite.

Azure Cloud Engineer needed to manage and maintain cloud infrastructure, including containers, virtual machines, databases, and network solutions. Experience with Terraform, Azure DevOps, and security best practices required.

SAP MM Consultant needed with +3 years experience in SAP Master Data management, preferably Material Master. Strong skills in SAP ECC or S/4 and third-party data tools required. Fluency in English (B2 level) is essential.

JobCloud, Switzerland's #1 job ads brand, seeks a Cloud Engineer to build, design, maintain, and improve a new software system revolutionizing the European job ads market. Responsibilities include building cloud-based architecture, developing a toolchain for software development, providing documentation, troubleshooting, and collaborating with the team.

Develop and maintain Python backend services and data processing components for telecom QoS and QoE measurement platforms. Design APIs, handle large data volumes, and collaborate on system architectures.

As a Staff Mobile Engineer on the Growth Onboarding team, you will lead technical initiatives shaping mobile onboarding experiences for Payward products. You will design, evolve, and maintain high-quality mobile applications using React Native, ensuring performance, reliability, and scalability. You will partner with Product, Design, and Data teams to translate onboarding opportunities into measurable engineering solutions.

As a Sales Development Representative, you will generate leads, research accounts, and qualify opportunities for Bitsight's cybersecurity platform. You will partner with Account Executives and the Sales Development Manager to drive regional pipeline growth.

Senior Helpdesk Technician provides first-level technical support, resolving incidents and service requests via various channels. Responsibilities include logging, categorizing, and prioritizing incidents, escalating complex issues, and assisting with documentation. Requires at least 2 years of experience, basic IT knowledge, and proficiency in English, Portuguese, and Spanish.