freelance English-speaking jobs in Maia

Develop and implement a global logistics and supply chain strategy. Lead and manage international logistics and supply chain teams. Manage global process experts and logistics engineers.

Java Developer needed for full stack web application development, including REST APIs, microservices, and cloud migrations. Experience with legacy application analysis, Vue JS, Java, JSF, Spring Boot, Docker, Kubernetes, and cloud technologies is required.

Provides global support for endpoint devices and Windows-based application servers. Manages and supports endpoint devices, administers Windows Server environments, and ensures servers and endpoints are patched. Analyzes and resolves complex technical issues.

Provides support to the Global Broker team in the annual Broker Fee reconciliation process and periodic reporting. Assists with collecting and consolidating global contract spend data, ensuring accuracy, and preparing analysis for the Broker team and Global Buyers. Supports the maintenance of contract terms and calculation rules in IT systems.

Senior Infrastructure Engineer to architect and implement scalable infrastructure solutions for high-growth crypto and FinTech applications. Experience with data stores, cloud infrastructure, DevOps tooling, and IaC is required. Proven consulting experience and strong communication skills are essential. FinTech experience is preferred, crypto/web3 experience is a plus.

Ryanair Group is hosting a Cabin Crew Assessment Day in Porto on February 27, 2026. Successful applicants will participate in a 6-week training course to become qualified cabin crew members. The role requires the ability to swim 25 meters, be between 5'2" and 6'2" tall, and have the unrestricted right to live and work in the EU. Applicants must be comfortable working a shift roster, enjoy dealing with the public, and have excellent customer service skills. Fluency in English is required.

As a Translator / Linguist, you will translate and edit video game text, ensuring accuracy, consistency, and cultural appropriateness for Italian markets. You will collaborate with a team to deliver high-quality, immersive experiences.

Data Governance Specialist will develop dashboards, prepare data presentations, and ensure data visualization strategy implementation. Responsibilities include data modeling, ad-hoc data gathering, and creating user stories for the data warehouse. Experience with data governance projects, dashboard tools, SQL, and Office tools is required. Proficiency in Microsoft Purview, Fabric, Power BI, Azure, Databricks, and SQL is essential.

Java Developer needed for an international project focused on Conversational Agent AI Platform. Responsibilities include contributing to platform activities, collaborating with team members, and working on onboarding new use cases. Requires 5+ years of development experience, strong Python skills, and expertise in APIs, data pipelines, and cloud technologies.

Staff Associate to join a developing ministry in Portugal. Lead spiritual development, model ministry excellence, recruit and train leaders, and raise financial support. Requires Young Life volunteer leadership experience and a three-year commitment.

iRESTORE seeks a Data Analyst to partner with Growth leadership, influencing revenue, contribution margin, acquisition efficiency, and forecasting accuracy. You will analyze revenue performance, monitor contribution margin, and identify drivers of change. You will build dashboards, support forecasting, and provide decision-support analysis. Experience with SQL, BigQuery, Looker Studio, and AI-assisted coding environments is required.

Cloud Architect to design and evolve Azure cloud architecture, define security best practices, and architect Azure Data Services. Requires experience with Terraform, scripting, and supporting operations teams.

Data Engineer with expertise in AWS cloud environments. Proficiency in Python, SQL, Spark, and AWS services like Glue, Redshift, Athena, EMR, S3, and Lambda. Experience with ETL orchestration tools and containerization.

Linguist to support AI training initiatives and content creation. Responsibilities include creating linguistic content, resolving ambiguity and bias issues, performing QA on model outputs, annotating datasets, and conducting linguistic research. Requires deep understanding of linguistic theory and language structure. Experience with computational linguistics, corpus analysis, or LLM training is a plus.

Design, implement, and maintain data pipelines using dbt, Trino, and Spark. Develop dashboards and reports, write SQL queries and Python scripts, and ensure data quality and compliance. Collaborate with developers on data integrations.

The Robotic Startup Specialist will be responsible for the successful integration of Medtronic's HUGO RAS-system into a hospital. This includes developing program goals, conducting surgeon and staff training, and supporting technology adoption. The role requires a Bachelor's Degree, fluency in English and Portuguese, and over 2 years of experience in operating rooms and surgical procedures. Willingness to travel throughout the UK & Ireland is required.

Senior/Staff Full Stack Engineer to design and deliver scalable SaaS solutions using TypeScript (frontend) and Python (backend). Requires 10+ years of experience, expertise in system architecture, and experience with Kubernetes and AWS.

Senior Backend Engineer to design, build, and maintain scalable backend systems with real-time capabilities using Python. Collaborate with cross-functional teams and contribute to best practices across code quality, testing, CI/CD, and infrastructure.

Manual QA Tester will validate features, identify issues, and ensure the quality of mobile and web applications. Responsibilities include executing test cases, documenting bugs, and collaborating with cross-functional teams. Requires 1-3+ years of experience in manual software testing and familiarity with test management and project management tools.

Lead and grow a security engineering team, setting roadmap and standards for a secure-by-design cloud foundation. Deep AWS and KMS expertise is essential, including key policies, grants, rotation, and cross-account usage patterns. Build preventative controls using infrastructure-as-code and policy-as-code. Embed security into the SDLC and partner with Security Operations to ensure engineering-driven outcomes.