freelance English-speaking jobs in Maia

Senior Product Manager to oversee product direction and market positioning for GMS telecom portfolio. Translate business needs into successful offerings and guide products from concept to market introduction.

Senior Fullstack Java Developer needed for a project in Porto (Hybrid). Develop and maintain backend applications using Java (Java 8+/Spring Boot), build frontend interfaces with Angular (8+), and design REST APIs. Fluency in French (minimum B2) is required.

Software Engineer will contribute to the delivery of high-quality software solutions. Responsibilities include task breakdown and definition, contributing to process improvement, root cause analysis and problem mitigation, and independent task delivery. Must have experience with Git, Command Line, NodeJS or TypeScript, React, unit tests, and CI/CD pipelines.

Provides Tier 2 technical support for Stadler Digitalization Platforms with a DevOps orientation. Responsibilities include application monitoring, incident investigation, and support documentation. Requires a degree in Computer Science, Information Technology, or equivalent experience, along with hands-on experience with Kubernetes, Terraform, and monitoring stacks like Prometheus, Grafana, and Loki.

Junior Operations Officer needed to perform and validate payment executions, execute correspondent banking operations, and process settlement documents. Must have a degree in a related field and 2-3 years of experience in banking operations, financial back-office, middle-office, payments, or securities processing.

Administers and operates JIRA as the primary backlog management platform, ensuring stable service, user support, and change delivery. Integrates JIRA with platforms like Silva ITSM, PEPPS, GitHub, and Power BI. Manages project configurations, workflows, permissions, and security. Provides user onboarding, training, and knowledge base development.

Senior Product Engineer will own a domain within the organization, building solutions into the tech platform. Collaborate with stakeholders to solve problems and manage end-to-end software delivery. Requires 5+ years of full-stack development experience and a strong product mindset.

Senior Full-Stack Engineer will design, build, and scale back-end services in Golang and UI/UX experiences in React. This role collaborates with the Billing and Partner team to deliver solutions that are modern, scalable, and efficient. The ideal candidate has 7+ years of experience as a full-stack engineer with exposure to SaaS products used by many customers.

Payroll Support Specialist will manage administrative data, collaborate with internal teams, and serve as a liaison between the company and the external payroll partner.

Software Engineer focused on Data, AI/ML and Analytics solutions. Collaborate on end-to-end data analytics and MLOps solutions using open-source tools. Design, build, and maintain solutions deployed on public and private clouds and local workstations.

Software Engineering Lead will guide end-to-end product delivery, partnering with clients and teams to define requirements, design systems, and plan development. Experience leading full product lifecycles, including CI/CD, testing, and deployment, is required.

Hexa Group seeks a Recruitment Consultant 360 to drive commercial development and operational excellence in the Portuguese market. The role involves full recruitment lifecycle management, strategic market ownership, and client relationship building within the Tech and Business Services sectors.

Lead a Salesforce development team, ensuring high-quality delivery and best practices. Translate business requirements into technical solutions, guide configuration and development, and participate in technical planning.

Mobility Tax Manager will support cross-border workforce activities, ensuring tax, social security, and compliance matters are properly managed. The role involves investigating, planning, and monitoring cross-border workforce models, providing guidance on tax compliance, and supporting the development and use of cost-calculator tools.

Senior Frontend Engineer (React + Node.js) needed with 7+ years of experience in frontend development. Must have strong experience with React, Node.js, REST APIs, and responsive web applications. Experience with UI component design, unit testing, Git, and CI/CD workflows is required. Fluent English is necessary.

Content Moderator needed for a global social media project in Porto. Review user-generated content, ensure platform standards are met, and maintain a safe online environment. Fluent Romanian and strong English communication skills required.

Side Side is seeking talented engineers for a talent pool to support future co-development projects. Successful candidates will have 3+ years of experience in game development or related fields and proficiency in C++, C#, Python, or equivalent languages.

Senior DevOps Engineer to design, automate, and optimize cloud infrastructure for a high-traffic platform. Collaborate with engineering, product, and data teams to support continuous delivery and innovation. 5+ years of experience in DevOps, cloud engineering, or infrastructure roles required. Expertise in Kubernetes, GitOps, Terraform, and Helm. Strong experience with observability tools and CI/CD pipelines.

Senior Web Application Developer will design, develop, and maintain user-centric web applications. Collaborate with teams to gather requirements, ensure alignment with technical standards, and support deployment and troubleshooting of Java and PHP applications.

Valet Parking Attendant needed to provide exceptional guest service at a seaside retreat. Responsibilities include parking and retrieving vehicles, assisting with luggage, and providing local recommendations. Fluency in Portuguese and English, a valid driving license, and previous hospitality experience are preferred.