freelance English-speaking jobs in Maia

Firewall Analyst to manage change requests, ensure compliance, and optimize firewall rules using AlgoSec Security Suite. Experience with Palo Alto, Check Point, and network security infrastructure required.

Senior Quality Assurance Engineer with proven experience in mobile automation testing. Proficiency in mobile automation frameworks (Maestro or Appium) and experience with Android Studio, Xcode, or Charles proxy. Fluent English required.

Electrical Technician needed for on-site installation of lightning protection and earthing systems in data centers and various structures. Experience in construction or a similar environment is required.

Senior Full-Stack Software Engineer to build and ship features end-to-end, translate business goals into product strategy, and contribute to product thinking. Requires a product mindset, comfort with ambiguity, and experience integrating AI into products. Fluency in English is required, another European language is a plus.

Insurance Reporting Manager will manage month, quarter, and year-end activities, perform reconciliations, and assist in producing financial reports. The role requires experience in team management, IFRS, and a multinational office environment.

Junior Signaling Engineer to design, test, and maintain railway interlocking systems. Support development and configuration of signaling systems, perform system parametrization, and assist in troubleshooting. Must have a Master's degree in a relevant field and strong analytical skills. Portuguese and English fluency required.

An experienced Application Operations Specialist is needed to implement, integrate, configure, and maintain Shield's SaaS and on-prem product. This role involves working with development teams and customer IT departments to ensure the availability, security, and reliability of cloud deployments.

Full-Stack Software Engineer to design, develop, and integrate business workflow applications using Java, Spring, and Angular. Experience with BPM notation, JPA/Hibernate, and SQL is required. Fluency in English is essential.

Real Time Analyst (RTA) monitors performance, analyzes call volumes and traffic, and implements corrective actions to ensure service level and KPI compliance.

Software Solutions Architect needed. Requires degree in Computer Science, Information Technology, Software Engineering, or related field. Experience as a Software Architect or similar role is required. Expertise in designing and implementing scalable, robust, and secure software architectures is essential. Familiarity with cloud platforms (AWS, Azure, Google Cloud) and DevOps principles is necessary. Strong analytical and problem-solving skills are required.

Experienced IT Project Manager needed to deliver IT projects, coordinate teams, and manage project activities from planning to implementation.

Senior Java Backend Developer sought for a permanent role. Requires 7+ years experience with Java, Spring Boot, Terraform, and testing methodologies. Experience with Git, CI/CD, Kafka, Kubernetes, GraphQL Federation, and Azure Cloud is also needed.

Senior ReactJS Developer sought with 4-6 years of experience in JavaScript, TypeScript, HTML, and CSS. Must have experience with Bootstrap, Sass, or Less and strong written and verbal communication skills in Portuguese and English.

The Finance Operations team seeks an Associate to support day-to-day accounts payable processes in the Lisbon office. This role ensures accuracy, strong internal controls, and efficient payment execution.

Devote Consulting seeks full-time consultants to support projects in the life sciences industry. Responsibilities include improving processes, data, and systems within R&D, clinical operations, and regulatory affairs. Qualifications include a master's degree, 1-2 years of industry experience (preferred), and proficiency in English. Familiarity with system validation, GxP, and clinical R&D systems is advantageous.

Experienced Charging & Mediation Engineer specializing in Nokia Converged Charging (NCC) needed for large-scale customer projects. Responsibilities include configuring, validating, and supporting charging and mediation solutions, ensuring seamless integration across platforms. Requires strong NCC expertise, mediation platform experience, and cloud/architecture knowledge.

Experienced SAP IBP CI-DS Consultant to support global SAP transformation initiatives. Design and deliver integrations with SAP Integrated Business Planning using SAP Cloud Integration for Data Services.

Provide customer service support to global clients in French and English. Responsibilities include answering inquiries, resolving complaints, and maintaining customer information. Must be a native or fluent French speaker with advanced English skills.

Senior Software Engineering Manager to lead multiple engineering teams building and scaling mission-critical products. This role requires experience in PHP and Python environments, leading in a fast-paced, high-growth environment, and driving strong execution and measurable business outcomes.

Senior QA Tester Engineer to design, develop, and maintain automated test suites for a cross-media measurement platform. Focus on API testing, data validation, and CI/CD integration. Requires strong experience with test automation frameworks, RESTful APIs, and programming in JavaScript or TypeScript.