freelance English-speaking jobs in Maia

Cloud Engineer to implement and deploy cloud solutions, primarily on Google Cloud Platform (GCP), using Terraform and other IaC tools. Requires 2+ years of cloud experience, at least one cloud certification, scripting skills, and experience with microservices and Kubernetes.

Provide German-speaking technical support for drone users via phone, email, and social media. Assist with pre-sales inquiries, general questions, and technical issues. Must have native German and minimum B2 English.

Field Technician needed for hardware and software support. Experience with server installation, upgrades, and maintenance required. Knowledge of HPE ProLiant, Dell, and Sun servers is essential. Responsibilities include on-site incident response, installations, and preventive maintenance.

Full-time Groups Sales Executive to manage and grow client base by identifying and pursuing new group sales opportunities. Develop sales strategies, build client relationships, and collaborate with internal teams to execute group events.

Experienced Android Developer (Contractor) needed for fintech and digital health apps. Focus on BLE integration, secure app development, and offline functionality. Requires 4+ years Android experience, Kotlin proficiency, and BLE expertise.

The Revenue Assurance Specialist executes and controls end-to-end billing operations to ensure accurate, timely, and compliant invoicing. This role involves billing execution, data reconciliation, revenue assurance, systems management, financial posting, and process improvement.

Executive Chef to oversee daily kitchen operations, manage a team, and ensure high-quality dining experiences for over 500 guests. Requires culinary degree, 5 years of experience, and at least one year in a supervisory role. Must be fluent in local languages.

Data and Automation Specialist will apply Generative AI models and machine learning algorithms to solve business problems and improve efficiency. Responsibilities include developing and implementing automation solutions, collaborating with business teams, and ensuring documentation and reusability. Requires a degree in a technological field, 3+ years of experience, and expertise in Python, PySpark, SQL, Azure, and Databricks. Fluency in English is required.

Eurofins seeks Network Engineers with 5+ years' experience in Fortinet products (FortiGate, FortiManager, FortiSwitch, FortiAP, FortiAnalyzer) to design, build, and manage network infrastructure for high-available applications. Responsibilities include managing WAN, LAN, WIFI, load balancers, VPNs, and collaborating with teams to ensure service delivery, compliance, and SLA adherence. Experience with Cisco routing and switching (CCNP level), network components maintenance, firewalls, data center networks, and complex network migrations is required.

Game Designer will design and balance new content and systems for Star Trek Fleet Command, focusing on engagement, conversion, and player investment. Responsibilities include building novel gameplay experiences, leveraging Star Trek IP, and collaborating with designers, artists, and engineers. Requires 3+ years of experience designing systems, economies, or content for live, F2P, or systemically complex games.

Experienced General Manager needed for a new Autograph Collection by Marriott resort in Sintra, Portugal. The role reports to the Vice President Operations and leads a team across all hotel departments. Requires 5+ years of progressive hotel experience, strong financial acumen, and proven ability to build high-performance teams. Fluency in English and Portuguese is essential.

Lead Product Designer for Applied AI will design AI-native experiences for community managers, creators, and businesses. Responsibilities include designing AI agents, workflows, and a copilot feature, shaping how creators and AI collaborate, and defining patterns for AI-assisted actions.

UI/UX Designer with After Effects experience needed for web and mobile product design. Responsibilities include creating wireframes, prototypes, motion graphics, and branding materials. Must have a strong portfolio and proficiency in design and prototyping tools.

Experienced SHES Specialist needed to implement and embed safety, health, environment, and security processes. Will monitor compliance, conduct investigations, manage the on-site SHES Coordinator, and deliver training. Requires a degree in a related field, practical SHES experience, and Portuguese Occupational Health Technician qualification. Fluency in Portuguese and English is essential.

Senior Software Engineer to design, build, and maintain efficient, reusable, and reliable code for customer-facing websites, mobile applications, and backend services. Must have 6+ years of experience developing production-level software using .NET Core, proficiency in C# and MVC, and experience with microservices architecture and message brokers.

Staff Java Backend Developer with 10+ years of experience leading complex technical initiatives and mentoring junior engineers. Solid knowledge of object-oriented programming, design patterns, and testing methodologies. Experience with Spring Boot, Terraform, Kafka, Kubernetes, GraphQL Federation, and Azure Cloud.

Provide phone, email, and remote technical support to customers. Resolve technical issues, document solutions, and escalate complex problems.

Senior Clinical Research Associate will deliver quality monitoring reports, maintain expense submissions, and conduct on-site monitoring visits. Requires a bachelor's degree or equivalent, previous CRA experience, and at least 4 years of independent monitoring. Knowledge across therapeutic areas is desired.

As a Sales Keyholder, you will support store leaders by driving sales, coaching teammates, and ensuring a positive customer experience. You will manage loss prevention, safety, and audit expectations, and support in achieving sales and KPI targets.

Data Integration Specialist will execute DB2 queries, handle user requests, and participate in service improvement initiatives. Requires experience querying databases (DB2, SQL), using tools like DBeaver, and understanding mainframe query processes.