1563 English-speaking jobs in Porto

Design, build, and maintain machine learning models for audio analysis. Develop and train CNN models for sound classification and regression. Process audio signals into meaningful features. Optimize models for edge deployment. Evaluate model performance and continuously improve accuracy.

Senior QA Engineer to ensure solution quality by implementing test design and automation best practices. Design test cases and reinforce quality concepts within the squad.

DevOps Engineer to design, build, and automate systems for a global cloud platform. Focus on scalability, performance, and security across AWS and Alibaba Cloud. Expert level experience with Terraform, Ansible, Linux administration, and CI/CD systems required.

Senior Full-Stack (.NET/React) Developer to design, develop, and maintain backend services using C#, REST APIs, and PostgreSQL. Contribute to frontend development using ReactJS and participate in system design.

Design, develop, and implement Salesforce solutions using Apex, Visualforce, and Lightning Components. Integrate with external systems and define data models. Collaborate with teams to translate business requirements into technical solutions.

Embedded System Engineer with strong C/C++ experience in embedded systems, ESP32, and Espressif IDF. Requires knowledge of RTOS (FreeRTOS), communication protocols, and Wi-Fi connectivity.

Senior AWS/Redshift Database Administrator needed to support mission-critical environments. Requires 5+ years of experience with AWS RDS, Aurora PostgreSQL, MySQL, and Redshift. Responsibilities include installation, configuration, performance tuning, query optimization, and workload management. Strong communication and problem-solving skills are essential.

QA Analyst will work within a cross-functional team to ensure a seamless, safe, and effective AI care experience. Responsibilities include designing, executing, and maintaining test plans, identifying and tracking defects, and contributing to design and development discussions. Requires 2-3 years of experience as a QA Analyst, experience testing mobile apps, and familiarity with tools like Postman, Jira, Git, Xray, and Android Studio.

Coordinate the testing lifecycle, including UAT planning, execution, and sign-off. Work with stakeholders to ensure requirements validation and test coverage. Track defects, risks, and testing progress. Contribute to continuous improvement of QA and UAT practices.

Data Scientist needed for international project. Develop machine learning models using diverse data sources (satellite imagery, IoT, agronomic, supply chain). Collaborate with stakeholders, conduct data exploration, modeling, and build visualizations. Master's or PhD in Data Science, Statistics, Mathematics, Engineering, or related field required. Strong Python and ML libraries (scikit-learn, TensorFlow, PyTorch) proficiency.

Solution Consultant for procurement and digital transformation projects. Requires 3+ years of IT project management experience, understanding of procurement processes, and knowledge of ERP systems. Fluency in English is required, German is a plus.

Senior Java Engineer to join a team focused on customer acquisition and renewal. Will collaborate on feature development, security, scalability, and resiliency enhancements. Requires JVM development experience, Java expertise, SaaS product development, AWS knowledge, and familiarity with continuous development practices.

Senior Software Engineer will design, develop, and maintain a highly concurrent, high-throughput platform for quality management on Google Cloud Platform (GCP).

FullStack .Net Developer will join a global team to build automated warehouse management solutions. Responsibilities include onsite software integration with hardware components and experience with .NET Stack (C#, ASP.NET, WebAPI), testing, Entity Framework, and relational databases.

IT Manager to define and execute IT strategy, manage on-premise infrastructure, and provide IT support. Requires experience in operational, industrial, or construction environments, ERP systems, cybersecurity, and Power BI.

This curricular internship supports daily operations and enhances the customer and chef experience at a fast-growing digital marketplace connecting clients with chefs. Responsibilities include customer support, operational tasks, and chef onboarding.

Provides technical support and guidance to customers using TV and Cast solutions. Assists with project setup, content coordination, and onboarding. Resolves support tickets, tracks usage, and prepares reports.

Lead and mentor a team of frontend engineers, designing and implementing scalable e-commerce platform architecture. Collaborate with product, design, and backend teams to translate business requirements into technical solutions. Analyze and optimize application performance, ensuring accessibility and maintainability.

P2P Support Specialist provides support for the Help & Support Centre strategy, manages incoming requests, and contributes to process optimization.

The ISV Technical Alliance Manager collaborates with partners to align on open-source strategies, captures requirements, and coordinates messaging and launch plans. This role drives Ubuntu adoption within partner accounts and creates partner- and customer-facing materials.