6308 English-speaking jobs in Lisbon District

Senior Software Engineer will solve scaling bottlenecks, deploy features, investigate production issues, and design scalable architectures. Requires significant experience in one or more programming languages and a BS/MS/PhD in a scientific field or equivalent experience.

Staff Software Engineer to lead AI initiatives for Datadog Notebooks, focusing on natural language data analysis, graph generation, and automated investigations. Develop and deploy AI-driven features, champion the full development cycle, and drive product direction with a user focus.

AI Engineer will collaborate with cross-functional squads to build and operate a central AI platform and GenAI use cases. Responsibilities include identifying automation opportunities, prototyping solutions, and delivering use cases end-to-end.

Senior 5G RAN Software Architect will contribute to product development, maintenance, and delivery of 5G NR Protocol Software. Analyze 3GPP features, provide guidance on design issues, and collaborate with cross-functional teams. Requires 10+ years of RAN experience, 5+ years in 5G/LTE, and strong understanding of radio interface protocols, PHY/MAC layers, and eNB/gNB configurations. Hands-on programming experience in C, C++, Linux, and Windows is essential. Must have experience debugging gNodeB issues and familiarity with CI, Jenkins, and GIT.

Senior Backend Developer (Node.js/Nest.js) to design, build, and maintain robust backend platforms. Responsibilities include creating new features, integrating APIs, optimizing performance, and collaborating with cross-functional teams. Requires 5+ years of web development experience with 3+ years of Node.js and Nest.js experience. Solid database management, API expertise, and understanding of microservice architecture are essential.

Senior Full-Stack Developer (Node.js/React) to design, implement, and optimize a proprietary fintech payments platform. Responsibilities include building integrations, driving feature delivery, and collaborating in agile sprints. Requires 5+ years of commercial web development experience with Node.js, NestJS, React, and related technologies.

Senior Drupal Platform Infrastructure Engineer to support and evolve mission-critical Drupal platforms on Ubuntu Linux. Responsibilities include designing and evolving platform architectures, performing advanced L3 administration, and ensuring platform security and performance. Requires 5-10+ years of experience in Linux platform engineering or Drupal infrastructure operations.

Senior Data Platform Engineer to design and implement scalable data management systems for large-scale, high-availability pipelines. Requires 5+ years of software development experience, strong Java and Spring Boot skills, experience with Kafka or equivalent messaging platforms, and expertise in cloud-based microservices and databases.

Senior InRiver PIM Engineer will maintain system integrations and customize InRiver PIM platforms. Responsibilities include designing technical specifications, developing custom C#/.NET extensions, and troubleshooting existing implementations. Must have a Bachelor's degree in a related field, 5+ years of C#/.NET experience, and 2-3 years of system integration experience.

Designs and implements robust ingestion solutions on Microsoft Fabric using Data Factory, Spark, Lakehouse patterns, and event-driven capabilities. Develops and maintains ingestion pipelines for structured, semi-structured, and streaming data. Implements secure-by-design practices and CI/CD for ingestion assets. Defines and improves observability for ingestion services.

Leads the definition and execution of end-to-end architecture for Secure Net, Vodafone's flagship security product. Translates business requirements into robust technical solutions, ensuring alignment with market, platform, and technology partner needs. Provides hands-on technical leadership, contributing to design, specifications, and integration models. Collaborates with Product Owners, engineering teams, and suppliers to ensure implementation-ready solutions throughout the lifecycle.

The Service Integration Manager ensures seamless integration, scalability, and operational readiness of home services across CPE devices, backend systems, and Vodafone platforms. This role acts as a technical orchestrator, aligning Product, Engineering, QA, Project Management, and external partners. The successful candidate will challenge vendors, drive accountability, and ensure solution maturity before deployment.

The Solution Architect leads the definition and execution of the end-to-end architecture for Secure Net, Vodafone's flagship security product. The role focuses on transforming business requirements into robust, scalable technical solutions. The Solution Architect works closely with Product Owners, engineering teams, and suppliers to ensure solutions are implementation-ready throughout the entire lifecycle. The role requires extensive expertise in distributed systems, network services, and complex integration environments.

Senior AI Engineer to develop complex AI solutions for the financial services industry using LLMs and AI frameworks. Requires 3-5 years of experience in ML or Data engineering with 1+ year building LLM systems in production.

Build and operate business-critical developer platforms, ensuring reliability, scalability, security, and developer experience. Design, build, operate, improve, secure, and scale platforms. Develop platform capabilities to enable self-service and developer efficiency.

Lead the technical strategy and development of CyberMart, Siemens Cybersecurity's reporting and monitoring platform. Design and define software architecture, ensuring scalability, security, and maintainability. Lead the specification and development of distributed service-oriented architectures, including integration with core platform services. Architect and oversee the implementation of .NET Core APIs and Angular-based frontend applications. Establish and maintain software development standards using APIs built on OpenAPI specifications, microservices patterns, and code quality guidelines. Provide technical leadership on emerging technologies and mentor engineering teams. Ensure compliance with security, logging, and telemetry requirements.

Designs and builds a source-agnostic ingestion pipeline for production ML/LLM traffic. Builds storage tiering, slicing dashboards, and query paths for debugging. Enables autoraters and LLM classifiers across production traffic. Implements PII redaction and safety/abuse classification. Operates the pipeline end-to-end.

Design and define software architecture for CyberMart, ensuring scalability, security, and maintainability. Lead the development of distributed service-oriented architectures, including integration with core platform services. Architect and oversee the implementation of .NET Core APIs and Angular-based frontend applications.

Lead Software Engineer will provide technical leadership and expertise for an eCommerce payment authentication platform. Responsibilities include managing budgets, leading projects, and delivering secure, scalable software solutions. Requires 10+ years of software engineering experience, including technical leadership as an architect, and expertise in Java, Spring, REST services, and cloud-based application development.

Senior/Middle Backend Developers will design architecture, program in Go (or another language), and ensure fault tolerance in an AWS environment. Experience with highload systems, MongoDB, and Kubernetes is preferred.