5825 English-speaking jobs in Lisbon

Senior Software Engineer to design, develop, and maintain scalable software solutions for a fast-growing SaaS company. Expertise in TypeScript, Pulumi, Bun, React, Vite, AWS, Postgres, Redis, and GraphQL required.

Develop and optimize cloud-based data platforms using Microsoft Azure technologies. Build data pipelines, ETL processes, and data models. Collaborate with teams to deliver data-driven solutions.

Lead Front-End Engineer to develop and maintain high-quality React/NextJS single-page applications. Collaborate with design, marketing, and client teams. Contribute to architectural decisions and mentor a team of front-end developers. Expert React & Next.js Developer with strong TypeScript and state management skills. Agile leadership and collaboration experience.

Leads SEO & AEO strategy across markets, defining roadmap for technical SEO, content structure, and search visibility. Drives organic growth across search engines and LLM answer surfaces. Partners with Tech, CRO, and Paid Media teams. Requires strong technical SEO and AEO knowledge, experience with content structures, and understanding of search intent.

IT Security Expert to lead implementation and management of security tools and services across group locations. Responsibilities include monitoring for unusual activities, implementing defensive protocols, and collaborating with the Information security team. Requires 3-5 years of cybersecurity experience at a midsize company and deep knowledge of IT, security frameworks, and threat identification.

Lead and scale the commercial side of Sweat Foundation's business. Design and execute B2B sales strategy, manage a sales team, and drive revenue across advertising, user acquisition, and token launch products.

As a Senior Product Manager (AI Product Builder), you will lead product strategy and roadmap development for the Accounts and Tooling portfolio. You will leverage AI tools and prototyping to validate ideas and design scalable AI-powered experiences. This role requires proven product leadership experience, deep customer orientation, data fluency, and hands-on AI capability.

Security Operations Engineer will design, implement, and promote security incident management processes and automation. Responsibilities include supporting the OLX Security Operations Center (SOC), contributing to incident response training, and participating in 'protect, detect, and respond' engineering tasks. Requires 4-6 years of experience in security, the Elastic stack for SIEM, incident response, and cloud environments (AWS, GCP, Azure).

Lead design for Real Estate, ensuring a consistent, high-quality experience across all user touchpoints. Define and elevate design standards, govern design systems, and drive AI-ready design foundations.

Evaluates and improves conversational, auditory, and visual capabilities of an Agentic AI product. Designs and executes test plans for Chat AI, Voice AI, and Visual AI features. Analyzes AI outputs for accuracy, coherence, and ethical compliance. Documents results, identifies failure patterns, and collaborates with engineering and product teams.

We seek a (Senior) Backend Engineer with extensive Java experience (8+; preferably 17/21/25) to design and develop robust, maintainable software solutions.

Senior Python Developer specializing in advanced Python development, performance optimization, and security enhancements for sandboxed execution environments.

Senior Golang Developer to architect, build, and maintain the GenLayer blockchain node software. Experience with blockchain technology, distributed systems, and Golang required.

Senior Data Scientist will lead R&D in GenAI and Agentic AI, designing solutions for financial crime detection. Responsibilities include driving production excellence, establishing evaluation frameworks, and conducting strategic data analysis. Requires a Master's or PhD in a numerate field and 4-7 years of data science experience with Python, ML frameworks, and Agentic AI.

Leads and empowers a team of SREs, partnering with Engineering, Product, and Security to ensure platform resilience, scalability, and security. Sets direction for the team, focusing on observability, incident management, and automation. Manages a team focused on Stateful/Data layer technologies (YugaByte, Kafka, Elasticsearch, Redis, Spark) on GCP and AWS.

Ivy Partners seeks a Senior ELK Monitoring & Implementation expert to enhance their log monitoring platform, Logboard. Responsibilities include maintaining ELK instances, developing onboarding strategies, configuring the platform, and creating dashboards and alerting features in Kibana. Experience with Puppet, OpenTelemetry, Elasticsearch, Terraform, Git, and the ELK stack is required.

Experienced Backend Engineer to design, develop, and scale backend systems using Java and Spring Boot. Build search infrastructure, supplier integrations, and AI-powered experiences. Requires expertise in databases (MySQL, MongoDB, ElasticSearch), AWS, and microservices architecture.

Cloud Machine Learning Engineer to build and optimize production-ready ML solutions on major cloud platforms (AWS, Azure, GCP). Develop APIs, SDKs, and cloud-native services for model deployment. Contribute to open-source libraries and collaborate with engineering and product teams.

Support Engineer needed for a growing technical team providing world-class support for enterprise customers. Investigate complex issues, design solutions, and drive continuous improvement. Collaborate with Engineering and Product teams to resolve recurring or high-impact issues.

Leads the architecture, strategy, and execution of core platform technologies, promoting best practices. Manages Platform, DevOps, or SRE teams, ensuring scalable, secure, and cost-efficient platform services.