Top Tech Jobs & Startup Jobs in Portugal

As a Data Scientist, you will design and deploy data-driven fraud prevention solutions, working directly with clients to tackle unique challenges. You'll build machine learning models and collaborate with engineering to enhance backend systems.

Lead the backend team for CatalyX, drive technical delivery, contribute code and reviews, mentor distributed engineers, break down requirements into tasks, resolve critical issues, uphold SDLC best practices, and set standards for AI-assisted development.

Lead social strategy and growth across Sui Foundation channels (primary focus X/Twitter). Create and direct social-native content, especially video and livestreams; leverage AI tools to accelerate workflows; set KPIs and report performance; collaborate cross-functionally with product, design, partnerships, and communications; manage community engagement and multiple brand accounts while briefing creative partners.

Provide French/English technical product support for ROLLER's SaaS platform across EMEA. First point of contact via calls, tickets, and email; troubleshoot POS/payments and payment terminals; configure platform; document and track bugs in JIRA; perform administrative/market tasks; deliver excellent customer service and collaborate with the global team. Requires weekend shift one day per week.

The Senior Python Engineer will design and maintain scalable services for AI lifecycle, develop data processing tools, and bring AI models to production.

Build and maintain frontend (React/TypeScript) and backend (Java/Dropwizard) features for Opik, focusing on LLM observability, evaluation, real-time monitoring, APIs, integrations with LLM frameworks, and collaboration with ML researchers. Contribute to open-source, documentation, and automated evaluation systems.

Lead EMEA loyalty and CRM strategy for Lee & Wrangler: design and run email and SMS campaigns, manage CDP and segmentation, ensure GDPR compliance, build automated journeys, optimize performance via A/B testing and analytics, and coordinate cross-functional teams to increase retention and lifetime value.

The Catalog Analyst-Intern will manually curate products, provide feedback on machine learning predictions, and manage the product catalog.

The Senior QA Engineer is responsible for manual and automated testing, improving QA processes, and collaborating with engineers to enhance product quality in a fast-paced environment.

Seeking a Senior Data Support Engineer with 5-6 years of experience in Data Engineering, specifically utilizing Snowflake, Python, SQL, and AWS for data manipulation, warehousing, and testing processes.