freelance English-speaking jobs in Valongo

Lead complex technical projects in telecommunications, cloud, and data center environments. Manage cross-domain teams, own solution integration lifecycle, and ensure delivery quality and compliance.

Provides executive support to Group leadership, managing calendars, coordinating meetings, preparing documentation, and handling travel arrangements.

Senior PL/SQL Developer needed to design, develop, and maintain efficient database solutions. Requires 5+ years of experience, strong SQL and Oracle knowledge, and the ability to translate business needs into technical specifications. Fluency in English (B2 or higher) is required.

Full stack developer to design, develop, and maintain Java applications using Spring Boot, Java 21, and JPA. Collaborate on microservice-based solutions and ensure application reliability, security, and scalability.

Business Analyst to support IT projects across the software development lifecycle. Experience in Agile/Scrum, manual testing, and transforming requirements into user stories is required. Fluency in English and SQL skills are essential.

Ryanair Labs seeks a C# .NET Backend Developer to develop, modify, and support enterprise applications, websites, and user interfaces. Responsibilities include developing high-quality, testable, and performant software, working with cloud microservices (AWS), and collaborating in an Agile environment.

SAP Security Engineer with several years of experience in SAP Security Engineering. Strong understanding of SAP authorization concepts, security tools, and cloud solutions. Ability to analyze complex SAP systems, identify vulnerabilities, and define mitigation measures. Excellent communication skills and a structured working style.

As an IT Order Center Specialist, you will manage end-to-end IT order execution, including creating and monitoring requisitions, validating supplier and accounting data, and reconciling/approving invoices and receipts. You will also set up purchase requests for IT needs and prepare order and budget reports.

Senior System Administrator needed to manage internal and customer-facing services in a DevOps environment. Responsibilities include system architecture, performance optimization, backup & recovery, security, monitoring, Kubernetes management, and incident response. Requires 4+ years of experience as a System Administrator or Operations Engineer with expertise in containerization, IaC, and large-scale data management.

Functional Analyst to provide support for internal processes, manage SharePoint sites, develop Power BI dashboards, and contribute to data analysis and visualization. Requires experience with SharePoint, Power BI, and financial concepts.

Experienced Release Manager needed for stable software releases in complex enterprise environments. Manage end-to-end release cycles, coordinate deployments, and ensure release quality.

Marketing & Partnerships Manager to drive commercial growth and strategic partnerships for Dinner in the Sky Portugal. Develop and execute marketing strategies, identify and cultivate partnerships, and manage B2B sales for private events and brand activations.

Lead/Principal Java/Scala Engineer will develop and maintain map data processing tools for a global navigational database. Responsibilities include designing, implementing, and optimizing scalable backend services and data processing pipelines.

Principal Software Engineer will shape the technical direction of Sportingtech's iGaming platform. Lead complex technical initiatives, guide architectural decisions, and mentor engineers. Requires 10+ years of experience building and supporting enterprise-scale web applications with Java and optionally JavaScript.

Experienced EU Framework Contract Coordinator needed to manage proposal preparation, coordinate consortium partners, and mobilize expert teams for digital government and ICT advisory assignments.

Software Engineering Internship at Anchorage Digital Bank, the first federally chartered crypto bank in the U.S. Design, develop, and test code for a team project, gaining experience in a large-scale software environment. Learn from engineering experts, contribute to software design, and participate in software development life cycle ceremonies.

Leads assessments and studies on the Data & Visualization stream for an S/4/HANA implementation. Builds a new Data & Report Model based on S/4 and assesses impacts on legacy systems. Supports businesses in defining their reporting strategy on S/4/HANA data.

Accountant needed for international hospitality and real estate group. Creates financial transactions, prepares financial reports, and reconciles accounts. Requires a Bachelor's degree in Accounting, Finance, or related field and 3+ years of experience in the Portugal market. Fluency in English and Portuguese is required.

QA Tester needed with 2 years of experience, B2 English, and experience in Regression Testing, Integration Testing, and test documentation. Must have experience with Siebel CRM or similar platforms.

Manage and run vulnerability scans across systems, applications, and infrastructure. Analyze scan results, prioritize remediation efforts, and collaborate with teams to implement fixes. Create reports to communicate security risks and drive initiatives to reduce the organization's attack surface. Fluent in English required.