freelance English-speaking jobs in Valongo

CGI seeks a Senior .NET Developer with 5+ years of experience in .NET Framework, .NET Core, ASP.NET MVC, and web application development. Requires proficiency in HTML, CSS, JavaScript, Bootstrap or Material UI, and SQL Server. Experience with Azure and AWS components, AzureDevOps, and CosmoDb is essential. Fluency in English is mandatory.

Drive revenue growth and customer loyalty for Holafly's B2B portfolio. Analyze customer data, optimize the post-registration lifecycle, and execute strategies to increase average order value and product adoption. Proven B2B Customer Success experience, HubSpot and Shopify expertise, and fluency in Spanish and English are required.

Banking Connectivity Consultant for the DACH market will support customers with complex banking connectivity implementations. Responsibilities include engaging with banking partners, mapping banking capabilities, building bank connections, and ensuring compliance with financial regulations.

Project Management Intern will support the execution of Organon's strategic initiatives, collaborating with stakeholders and contributing to the delivery of key priorities. Assists with project planning, stakeholder engagement, documentation, and communication.

Elastic Engineer will develop, enhance, and maintain cyber programs, data analytics, threat hunting, and machine learning modules. Responsibilities include designing, deploying, and configuring ELK stacks, managing Elasticsearch clusters, and developing automation scripts. Requires a Certified Elastic Engineer certification and experience with Elasticsearch architecture, design, and deployment.

HR Generalist will manage HR administration and payroll for employees in Germany and the Netherlands. Collaborate with local HR teams across Europe on workforce planning and provide HR support to managers. Coordinate HR policies, procedures, and processes. Support employees and managers on HR topics such as recruitment, onboarding, performance, and development.

Senior Java Spring Boot Developer sought for highly scalable distributed systems. Requires 4-6 years of Java experience, API development, and experience with Spring Boot, relational and non-relational databases.

Junior Network Engineer needed with a degree in Computer Science or similar and 1+ years of experience. Must have experience implementing network projects, supporting a multi-tenanted Data Centre environment, and knowledge of Cisco Viptela, ASA, Meraki, Catalyst, ISE, and VMWare VeloCloud. Advanced English skills required.

UX/UI Product Designer will design intuitive interfaces for retailer-facing digital products, conduct user research in stores, and collaborate with cross-functional teams.

Freelance Project Manager needed to manage end-to-end delivery of e-commerce creative toolkits, including banners and product imagery.

Big Data Specialist needed with Bachelor's Degree in Computer Engineering, Data Engineering, or similar. Must have knowledge of Hadoop Ecosystem & Data Lake operations, experience with Big Data services and query engines, and ability to diagnose and resolve issues in Big Data environments. Good command of English (minimum B2) required. French is a plus. Must live in Portugal or have legal authorization to reside there.

Full-Stack Engineers needed with strong React, Node.js, and Next.js experience. Solid knowledge of TypeScript, RESTful APIs, microservices, CI/CD, Docker, and cloud platforms required. Agile mindset and English proficiency (B2+) also needed.

Senior System Engineer needed for Manufacturing IT team. Responsibilities include infrastructure operations, Level 2 support, patching, and automation. Requires Bachelor's degree, 3+ years experience, and scripting (PowerShell, Python) skills. Strong communication and problem-solving abilities are essential.

Dellent seeks an Infra Engineer with 3+ years of experience in infrastructure or systems engineering. Strong Linux administration, networking, virtualization, storage, and cloud (AWS preferred) skills are required. Familiarity with infrastructure-as-code tools (e.g., Terraform, Ansible) and monitoring/alerting systems is also necessary.

Provide French-speaking customer support for telecom solutions via phone, email, and chat. Resolve customer inquiries accurately and advise on products and services.

QA Cypress Engineer needed with 3+ years of experience in quality assurance or software testing. Proficiency in Cypress, Selenium, JUnit, and bug tracking tools required. Experience with Agile methodologies, CI/CD pipelines, and test automation frameworks is essential. Must have good English (B2 minimum). Responsibilities include designing testing frameworks, creating test plans, identifying defects, and mentoring junior analysts.

Team Lead will manage a team of Global Support Specialists, handling complex technical and operational inquiries and coordinating client escalations. This role requires 3+ years of experience in customer support, 1+ year of leadership experience, and strong analytical and communication skills.

Accounting Assistant needed to maintain financial records, reconcile accounts, and prepare reports. Requires a degree in Business Administration, Accounting, or Finance, strong Excel skills, and knowledge of financial statements.

Wire IT seeks a .NET + React Developer with 5+ years of experience in analysis and programming. Required skills include proficiency in .NET Core, Azure, SQL Server, Oracle, OpenShift/Kubernetes, React, and FlexView. Experience with Agile methodologies and knowledge of funds, securities, and insurance is also necessary.

Product Manager to own and evolve key parts of a B2C investing and trading platform. Define product requirements, work with engineering and design, and use data to inform product decisions.