4702 English-speaking jobs in Lisbon District

Drive innovation in multi-modal reinforcement learning to advance intelligent systems. Develop and scale reinforcement learning techniques within complex multi-modal architectures. Conduct research on reinforcement learning algorithms for multimodal models, including diffusion-based approaches for image and autoregressive models for multimodal understanding. Design and build reinforcement learning infrastructure that supports scalable, distributed training across multimodal systems. Develop and refine reward modeling strategies that improve training stability and mitigate reward hacking. Create and curate multimodal simulation environments and datasets to support robust training, evaluation, and benchmarking of reinforcement learning systems. Publish research findings in top-tier conferences.

Develops transformative AI use cases, drives end-to-end product development, and scouts external technologies. Leads product initiatives in collaboration with business units, corporate functions, and external partners. Prepares commercial business impact estimates and acts as a key service contact for Linde departments on AI use-case topics.

Level 2 Security Operations Center (SOC) Analyst to investigate and mitigate complex security incidents. Experience with SIEM platforms, use case engineering, SOAR technologies, and playbook development required.

The HR Manager directs and oversees daily Human Resource Office activities including recruitment, compensation, training, labor relations, and performance management. The role focuses on delivering HR services to meet employee and business needs while ensuring compliance with laws and regulations.

Bloomie is seeking a driven Sales Development Representative to generate new business opportunities and engage with HR leaders across Europe. This role involves outbound prospecting, qualifying leads, and collaborating with cross-functional teams.

Cybersecurity Analyst to investigate and handle security incidents, perform technical analysis, and execute mitigation actions. Experience with SIEM, SOAR, and security playbook development required.

Threat Intelligence Analyst to conduct proactive threat hunting, analyze threat trends and TTPs, and perform malware reverse engineering.

SOC Analyst L1 will monitor security events, perform incident triage and response, and escalate complex incidents. Experience in Blue Team roles, incident response, and SIEM tools is required.

Designs and leads a secure, scalable software delivery lifecycle for a legacy ABS Custody system. Implements CI/CD pipelines, version control, automated testing, and release governance. Analyzes and modernizes existing systems while ensuring stability, security, and compliance.

Brix IT seeks Backend Developers (Lead & Junior) with experience in Spring Boot/Quarkus, Kafka, DevOps, and API management platforms. Strong communication, problem-solving, and learning abilities are essential.

Develop and maintain .NET applications, design microservices architectures, and build RESTful APIs. Experience with Docker, Kubernetes, Azure, and CI/CD pipelines required.

Drives product initiatives and solves customer problems for the Requirements Portal, a part of Altium's engineering platform. Translates product strategy into execution, defines priorities, and identifies risks. Develops a deep understanding of customer workflows and challenges, frames problems, and validates direction. Leads cross-functional execution to deliver high-quality solutions and continuously raises the bar on product quality.

The IT Workplace & Device Specialist oversees planning, implementation, and support of workplace IT infrastructure and services. This includes endpoint device management, collaboration tools, software deployment, user support, and ensuring a productive digital environment.

Senior Microsoft Solutions Consultant to lead complex projects, develop and implement Microsoft-based solutions, and provide technical consulting to optimize client environments.

Senior Android Engineer to design, develop, and optimize Android SDKs and mobile applications focused on device intelligence, fraud detection, and mobile security. Collaborate with cross-functional teams to deliver impactful solutions. Requires 5+ years of experience in native Android development and a strong background in information security.

Develop and operate the backend of the EnBW mobility+ App using Java and Spring Boot. Deliver across the SDLC with a focus on test-driven development and production stability. Mentor developers on engineering best practices and testing.

Leads the design, customization, and optimization of the CRM platform, ensuring robust integration, advanced data analytics, and scalable solutions. Develops and maintains software architecture documentation. Provides technical guidance and mentorship to junior engineers. Participates in project planning and estimation activities. Acts as a subject matter expert for pitches and client work.

Senior Software Engineer to design and deliver cloud-managed service capabilities. Focus on cloud-based metering and billing for all Helios products. Lead technical design and decision-making for large projects impacting SingleStore's cloud platform.

SingleStore seeks a Sr. Front End Software Engineer to design and deliver AI capabilities for the Aura AI platform. This role involves end-to-end ownership of large projects, technical leadership, and collaboration with Product and customer-facing teams.

Speechify seeks a Software Engineer to build and maintain data ingestion pipelines for AI model training. Responsibilities include data sourcing, infrastructure management, and collaboration with scientists to optimize data quality and scale. Candidates should have 5+ years of software development experience, proficiency in Python and Linux, and experience with cloud platforms (GCP preferred).