4755 English-speaking jobs in Lisbon District

Drive innovation in post-training methodologies for agentic behaviors and tool use in AI models. Refine pre-trained models to enable reasoning, planning, and autonomous tool invocation for real-world applications.

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.

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.

As a member of the AI model team, you will drive innovation in training and optimizing vision-language models. Responsibilities include designing and implementing post-training pipelines, developing datasets, and improving model efficiency. You will work across a wide spectrum of multimodal architectures integrating text and vision.

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.

Drive innovation in post-training methodologies for agentic behaviors and tool use in AI models. Refine pre-trained models to enable reasoning, planning, and autonomous tool invocation for real-world applications.

Mainframe Analyst Developer needed for development, maintenance, and optimization of business applications. Experience with COBOL, DB2, JCL, TSO/ISPF, and EOS required.

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.

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.

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.

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

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.

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

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.

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.

Brix IT seeks Vue.js Frontend Developers (Lead & Developer roles) with experience in Vue.js, Micro-frontends, and DevOps. Lead role requires 4+ years experience, strong communication, problem-solving, and architectural thinking. Developers should demonstrate strong learning ability.

Primary and Middle School Arts Teacher to deliver visual arts education, integrating art with other subjects and themes. Develop and implement a dynamic curriculum aligned with the Portuguese National and Cambridge International Curricula.

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

Senior Business/Functional Analyst with 6+ years of experience, ideally in banking. Experience with Summit SDK or similar booking banking software systems (e.g., Murex, Calypso, Sophis, Orchestrade, Forex) is required. Strong SQL skills and in-depth understanding of Front Office and Middle Office workflows are necessary. Fluent in English (C1 level), French (B2 level) is a plus.