1385 English-speaking jobs in Porto

Senior Developer to lead development on IP phone configuration server. Requires SIP telephony, IP phone configuration, and server technologies expertise. Strong analytical, problem-solving, and communication skills needed.

Senior Data Scientist to design, develop, and deploy ML models with a focus on Generative AI applications. Experience with LLM applications, prompt engineering, and deep learning model fine-tuning required. Must have 5+ years of experience building, validating, and deploying models in production. Strong Python and OOP skills are essential.

Embedded Security Expert to design, develop, and maintain secure embedded software/firmware. Conduct threat modeling, security risk assessments, and vulnerability analysis. Collaborate with development teams to implement secure coding practices and improve application security.

Lead the technical direction of a large-scale healthcare platform supporting primary care programs across Africa. Design, modernize, and refactor backend systems using C#, .NET Core, Azure, and SQL Server/PostgreSQL. Drive HL7/FHIR interoperability and mentor engineers.

Lead Data Architect to design and evolve healthcare data architecture, lead database modernization, and define interoperability strategy using HL7 and FHIR standards.

Freelance English writers train AI models by crafting text that teaches AI reasoning, logic, and clarity. Contributors create original, fact-checked responses, collaborate with Quality Assurance Specialists, and adhere to style and quality standards.

Senior DevOps Engineer to design and maintain cloud and hybrid infrastructure across Azure and AWS. Lead IaC initiatives, build and improve CI/CD pipelines, and support DevSecOps practices. Drive disaster recovery planning and partner with engineering teams on deployment architecture.

Senior Data Scientist to lead commercial data science work. Build churn prediction models, develop cross-sell/upsell strategies, and design revenue attribution frameworks. 5+ years experience in applied data science with a focus on commercial problems. Strong SQL, Python, and cloud data warehouse experience.

Senior QA Automation Engineer to design, implement, and maintain automated tests for Hospitality Property Management System applications built with Java and Angular. Responsibilities include creating automated test frameworks, API suites, and end-to-end UI tests, building CI/CD pipelines, and mentoring team members. Requires 5+ years of experience in test automation engineering with expertise in Playwright, Selenium WebDriver, REST Assured, and TestNG/JUnit.

Staff Software Engineer to build and operate production systems at scale. Requires 8+ years of experience, deep experience with modern web application stacks, and fluency with AI-assisted software development. Must be able to guide, constrain, and review AI-generated code. Strong system design, product judgment, and communication skills are essential.

Senior Backend Engineer with 8+ years of experience and 4+ years of Backstage.io expertise sought. Responsibilities include designing, developing, and maintaining scalable backend services for a Backstage-based developer portal. Strong experience with Node.js, TypeScript, Python, RESTful APIs, microservices, and cloud platforms (AWS, Azure, or GCP) is required.

The Operations Finance Analyst supports the Operations Finance organization by performing transactional analysis, reporting, and cost-related activities for manufacturing operations. This role focuses on data accuracy, timely reporting, and execution of standardized finance processes.

PMO professional needed for international cyber project. Collect and report on cyber costs, anticipate cost deviations, and follow action plans. Requires a degree in Finance, Business, IT, or related field, 5+ years PMO, cost control, or project monitoring experience, strong analytical and reporting skills, Power BI proficiency, and fluency in English. French fluency is a plus.

Leads the design, development, and implementation of digital solutions to meet business objectives. Manages project timelines and budgets, and provides strategic direction to enhance digital capabilities.

Accounts Administrators support the finance team with accounts payable/receivable, bank and general ledger reconciliations, month-end close, and year-end audit support.

Data Engineer will design and develop data pipelines and lakehouses to support data science, analytics, and business partners. Requires a master's degree in STEM, strong programming and data engineering skills (SQL, Python, R), and experience with data modeling and data management.

Data Analytics Expert will translate business requirements into data products, design and maintain data pipelines, and provide data insights using SQL, R, Python, Power BI, and web application frameworks.

Senior Business Data Analyst leads AI and analytics initiatives, translating business needs into impactful solutions. Manages the full lifecycle of projects, from intake and scoping to delivery and value realization. Collaborates with stakeholders, coordinates delivery teams, and ensures data and solution accuracy. Requires 5+ years of experience partnering with stakeholders to deliver data, analytics, and AI solutions.

Validate, control, and analyze counterparty risk indicators. Ensure integrity of risk indicator certification processes and operational procedures. Monitor counterparty risk exposures, ensuring compliance with defined limits.

Quadrante seeks a Trainee Civil Engineer to support Roads and Railways projects. Responsibilities include calculations, design, and ensuring compliance with regulations. A Master's degree in Civil Engineering and fluency in English are required.