1280 English-speaking jobs in Porto

SAP CPI & Interface Operations Specialist needed for global S/4HANA rollout. Monitor, operate, and support interfaces across SAP systems, ensuring reliable integrations. Analyze, troubleshoot, and resolve interface errors. Contribute to continuous improvement of monitoring and support processes. Bachelor's degree in IT or related field required. Proven experience with SAP integrations, ideally in an S/4HANA environment. Hands-on experience with SAP CPI. Fluency in English.

Backend Developer (Java) needed for remote position. Requires 2+ years of experience as a software engineer, Bachelor's degree in a related field, and strong Java proficiency. Experience with APIs, systems integration, and the Spring Framework is preferred.

Senior Data Scientist (Biostatistics) to support clients in advancing statistical modeling. Refine modeling approaches, design R-based processes, and deploy models on cloud infrastructure. Strong R skills, version control, and CI/CD experience required.

Renvolt seeks a High-Voltage Engineer to support O&M development and provide technical expertise for HV substations and PV sites. Responsibilities include maintenance optimization, fault support, and governance of HV safety rules and procedures.

Renvolt seeks a Revamping Engineer to analyze asset performance, identify optimization opportunities, and develop technical solutions. The role involves cost-benefit analyses, project execution support, and collaboration with sales and O&M teams.

Fullstack Wordpress Developer needed for remote position. Maintain and optimize company digital properties, ensuring performance, security, and integration with CRM and marketing tools.

Develop and maintain backend systems for AI assistants focused on helpdesk, HR, and back office operations. Collaborate with front-end teams to integrate AI functionalities and ensure seamless user experiences.

Senior Application Production Engineer (BI/Data) needed to ensure stability and performance of data platforms. Focus on L2/L3 application support, data operations, and collaboration with Data Engineering, BI, and Development teams. Requires experience with data pipelines, ETL, Apache Kafka, and monitoring tools.

Develop and maintain fullstack applications using Java and Angular. Design and implement RESTful APIs and backend services using Java. Build responsive user interfaces with Angular.

Test Automation Engineer to develop, maintain, and execute automated test scripts. Define test automation strategies, plan test automation solutions, and translate business requirements into test scenarios.

Design, develop, and maintain high-performance Java backend applications. Collaborate with teams to gather requirements and implement APIs, microservices, and server-side components. Lead and mentor team members, providing technical guidance and fostering a collaborative environment.

Senior Backend Developer will design, develop, and maintain backend applications and data models. Responsibilities include building batch processes, integrating with systems, and supporting project delivery. Must have experience with ASP.NET, SQL Server, and AI-assisted coding tools.

Functional Tester will focus on testing the Miles Enterprise Suite, including new features, configurations, and releases. Responsibilities include defining test scenarios, executing tests, and reporting results. Requires 3+ years of experience in functional testing, proficiency in structured testing techniques, and database knowledge (Oracle, SQL Server, PostgreSQL). Fluency in English is required.

Senior backend developer with experience in Java, Spring, Linux, SQL, and Hadoop. Solid understanding of object-oriented programming and application runtime environments. Familiarity with DevOps concepts and tools like Jira, Confluence, Bitbucket, Maven, Jenkins, Artifactory, Docker, Control-M, and XL Deploy.

High-Voltage Engineer to support O&M development and provide technical expertise across HV substations and PV sites. Responsibilities include maintenance optimization, fault support, and governance of HV safety rules and procedures.

Revamping Engineer to analyze asset performance, identify optimization opportunities, and develop technical solutions. Requires 3+ years of experience in renewable energy or electrical engineering, proficiency in MS Office, and strong analytical and problem-solving skills.

Experienced analog design engineer to develop high-speed SerDes products. Drive design and development of medium to large complexity analog circuits. Guide analog designers and ensure designs meet specifications. Conduct design reviews, evaluate parasitic effects, and mentor junior engineers.

DevOps / Automation Engineer needed for Tendem project. Design, deploy, and maintain infrastructure for automation workflows, ensuring system stability, scalability, and high availability.

Freelance Junior Journalist will train AI models to understand and generate human-like text. Tasks include crafting responses, generating prompts, defining scoring criteria, and ensuring quality.

Freelance n8n Workflow Developer for the Tendem project. Design, build, and optimize automation pipelines integrating multiple systems and AI capabilities. Experience with n8n, API integrations, web scraping, and AI tool integration required.