freelance English-speaking jobs in Maia

The Release Train Engineer (RTE) facilitates and orchestrates the Data Release Train, ensuring efficient delivery of data capabilities. The RTE aligns ART activities with organizational goals, guides Agile best practices, and ensures consistency across scrum teams. The role requires 7+ years of IT or data-related experience, 3+ years as a Release Train Engineer or similar Agile leadership role, and strong soft and technical skills.

Produces investments monitoring reports for pension funds, including asset allocation, performance, risk analysis, and strategy updates. Collaborates with other Mercer teams and external entities. Requires fluency in English and proven experience in the investments industry.

Calculations & Simulation Engineer will conduct sizing and development studies on parts, mechanical systems, and hydraulic assemblies. Responsibilities include performing analyses, creating models, and simulating behavior using CFD, FEA, electromagnetic studies, and multiphysics simulations.

Senior Java Full Stack Software Engineer will design, develop, and integrate business workflow applications. Responsibilities include building and maintaining applications, diagnosing technical issues, and collaborating with product owners, architects, and QA teams. Requires strong Java, Spring, JPA/Hibernate, SQL, and relational databases experience. Familiarity with Angular, BPMN, Docker, Kubernetes, and CI/CD is desired.

Senior Backend Developer will design, implement, and maintain backend services and APIs using Java 21 and Spring Boot. Integrate applications with Oracle or Aurora PostgreSQL databases and build and deploy applications in AWS.

Lead AI Architect to design and implement AI automation engines, including multi-agent workflows, orchestration logic, and structured reasoning processes. Build foundational AI-driven platform architecture and collaborate with backend, data, and product teams.

Senior Software Engineer to develop cutting-edge digital identity verification solutions. Responsibilities include building backend systems, integrating with web and mobile applications, and contributing to technical strategy. Requires 5+ years of software development experience with a focus on backend and ML, 2+ years in senior engineering roles, and strong Python skills.

Data Center Technician needed in Lisbon, Portugal. Full-time, on-site role supporting critical infrastructure. Install, configure, and maintain server and network equipment. Troubleshoot incidents and collaborate with teams. Requires data center or IT infrastructure experience and server/networking knowledge.

Project Manager (Healthcare Operations) supports and optimizes healthcare operations projects from conception to delivery. Responsibilities include coordinating meetings, tracking tasks, and assisting with documentation. The ideal candidate is highly organized, proactive, and eager to learn healthcare systems and workflow tools.

InnoTech seeks a Front-end Developer with +5 years of experience. Strong Vue.js, JSP, and Nuxt skills are required. Knowledge of REST APIs and Agile methodologies is also needed. Must be a CPLP national or have a valid EU work permit and fluency in Portuguese.

Design, develop, and manage a scalable cloud infrastructure for a SaaS product using AWS. Drive the delivery of cloud services and solutions, including serverless architectures, containerization, and orchestration technologies. Collaborate with development teams to improve CI/CD processes and automation. Mentor team members and research emerging cloud technologies.

Provide German-language support to business customers on websites and digital presence. Assist with digital marketing, domain management, and e-commerce platform issues. Troubleshoot technical issues and guide customers through solutions.

Product Owner to define, refine, and prioritize user stories in a Scrum environment. Will own sprint delivery content, maximize short-term product value, and ensure product readiness. Requires proven experience as a Product Owner, strong communication skills, and proficiency in agile tools.

The Observability Engineer designs, implements, and evolves enterprise observability capabilities across platforms and services. This role ensures system health, performance, and reliability signals are visible, measurable, and actionable.

Develop and maintain regulatory aspects within Murex for commodity and FX trade reporting. Debug, analyze, and resolve issues. Participate in regulatory projects, design solutions, and write technical specifications.

Architect and lead Microsoft Fabric solutions, including data lakehouses, real-time analytics, and predictive AI. Build and manage a team of analytics professionals, establish best practices, and drive business development.

We are seeking ambitious entrepreneurs to build and scale startups in DevTools. You will receive support in hiring, product development, fundraising, and scaling your business. Must be based in Europe or the Americas and willing to relocate.

Senior Salesforce Revenue Cloud (CPQ) Architect / Developer needed to build and implement CPQ functionality. Responsibilities include configuring and developing CPQ features, implementing functionality, and collaborating with technical and functional teams. Requires strong hands-on experience as a Salesforce Developer and/or Architect with proven delivery experience in Salesforce, preferably Salesforce Revenue Cloud CPQ.

Nerdio seeks a detail-oriented UI/UX Designer to collaborate with product teams on intuitive user experiences for B2B SaaS web applications. The ideal candidate has a design degree, experience with UI/UX design for SaaS, and proficiency in Figma and Adobe Creative Suite.

Java Developer Senior/Lead sought for a fintech company. Requires Java Backend development experience (5+ years Senior, 8+ years Lead), Spring/Spring Boot, RDBMS, JPA, Hibernate, CI/CD, and English proficiency (B2+). Lead role requires 1.5+ years living in Portugal and experience onboarding/mentoring.