1717 English-speaking jobs in Porto District

Senior .NET Developer will implement Search and Subscription features for a public-facing web portal using .NET Core, microservices architecture, and cloud platforms (AWS or Azure). Responsibilities include developing search functionality, implementing subscription features, leveraging containerization with Docker and Kubernetes, and ensuring application scalability and reliability.

Senior iOS Developer to design, develop, and maintain iOS applications using Swift, Cocoa Touch, and Apple frameworks. Experience with MVVM(-C) architecture, functional reactive programming, and CI/CD tools is required. Must have a strong understanding of SOLID principles and Agile methodologies. Fluent English required.

Senior Machine Learning Engineer to develop and maintain large-scale distributed machine learning systems using TensorFlow, PyTorch, and Scikit-Learn. Build predictive models, optimize ML pipelines, and manage feature stores. Experience with MLOps practices, including CI/CD pipelines, Docker, Kubernetes, and model monitoring is required.

Senior Frontend Developer to build sophisticated, data-intensive web applications for a fire monitoring and prevention platform. Requires 5+ years of experience with Vue 3, GIS mapping (Leaflet, Mapbox), real-time protocols (WebSockets, MQTT), and video streaming.

Senior Data Platform Engineer to design, build, and maintain cloud-native data platforms using Python, Terraform, and Kubernetes. Experience with Azure cloud infrastructure, container orchestration, data modeling methodologies, and CI/CD workflows is required.

Staff Frontend Software Engineer to design, develop, and architect high-performance, secure, and scalable frontend solutions using React.js and Next.js. Requires 10+ years of experience, mastery of vanilla JavaScript, and a strong understanding of testing methodologies.

Senior Frontend Engineer to design and build high-performance, secure, and scalable front-end solutions using React, Next.js, and modern JavaScript. Expertise in state management, API integration, testing frameworks, performance optimization, and server-side rendering is required.

Machine Learning Engineer will build and deploy production-ready models across recommendation engines, predictive analytics, and classification solutions. Responsibilities include model training, optimization, MLOps pipeline development, and infrastructure management. Requires expertise in Python, TensorFlow or PyTorch, and cloud ML platforms.

Data Engineer to design, build, and maintain efficient ETL/ELT pipelines using Python, SQL, and Apache Spark. Experience with Data Lakehouse and Medallion Architecture, real-time streaming, and MLOps practices is required.

Java Cloud Developer to design, develop, and deploy Java-based applications on cloud platforms. Experience with Spring Boot, Spring Cloud, Docker, Kubernetes, and CI/CD is required. Strong proficiency in Java, including Java 17, and experience with REST APIs and microservices architecture is essential.

Lead Full-Stack Engineer to architect, guide best practices, and ship features across web, mobile, and backend. Collaborate with founding team to build AI agent workflows, automation systems, and real-time career insights. 5+ years full-stack experience (React, Node.js, REST APIs) required.

Data Solutions Architect will build and maintain data pipelines and storage systems across cloud environments. Collaborate with developers, partners, and leadership to deliver robust data solutions. Automate data processing and deployment experiences using Python frameworks. Apply data modeling methodologies to solve problems and optimize the data stack.

Staff Frontend Software Engineer will design, develop, and lead the implementation of high-performance, secure, and scalable frontend solutions using React.js and Next.js.

Senior .Net Software Engineer to implement and maintain large-scale applications. Requires 8+ years of .NET experience, expertise in Event-Driven Architecture, IaC, and modern testing methodologies.

Experienced Kotlin/Java Backend Developers sought to design and implement robust, scalable solutions. Contribute to the entire software development lifecycle in an Agile environment. Must have 5+ years of software development experience, strong Java backend development skills, and experience with Terraform, unit testing, and Git.

Senior Frontend Software Engineer will build and maintain high-performance, secure, and scalable front-end solutions. Collaborate with cross-functional teams in an Agile environment. Strong experience in React.js and Next.js is required.

Senior Full-Stack Software Engineer to design and build high-performance, secure, and scalable full-stack solutions using Java (Spring Boot), React, and Next.js. Must have strong communication skills and experience with backend architecture, microservices, and database management.

Experienced Kotlin/Java Backend Developers sought to design, implement, and test robust backend solutions. Must have 5+ years of software development experience, strong object-oriented programming knowledge, and experience with Terraform, unit testing, Git, and CI/CD.

Senior Data Scientist will partner with marketing and product teams to define data metrics and analyses to drive strategic decisions. Responsibilities include developing and improving statistical models for marketing spend optimization and product growth, and designing data visualizations to communicate results to non-technical audiences. Must have expert proficiency in Python or R, advanced SQL skills, and hands-on experience with major cloud providers.

Build client-focused mobile applications using C#, .NET Core/.NET Framework, .NET MAUI, Blazor, and hybrid frameworks. Participate in the full software development lifecycle, including requirements analysis, design, implementation, testing, delivery, and support. Design and manage data layers across SQL and NoSQL ecosystems. Develop and integrate APIs, ensuring secure and reliable communication. Engineer, deploy, and maintain cloud-based solutions across Azure, AWS, or GCP.