Senior Ai Platform Engineer — Backend

empower AI Platform - Senior AI Platform Engineer About the Role Anyone can call an LLM API. We're building the harness around it: sa.global Labs is expanding the core team behind empower — our industry-specific agentic AI platform that fuses a domain knowledge graph, a unified data hub, and multi-agent orchestration to automate real enterprise...

empower AI Platform - Senior AI Platform Engineer About the Role Anyone can call an LLM API. We're building the harness around it: sa.global Labs is expanding the core team behind empower — our industry-specific agentic AI platform that fuses a domain knowledge graph, a unified data hub, and multi-agent orchestration to automate real enterprise...

55 Tech in Lisbon is seeking a Junior Backend Developer to help build a real-time sports trading platform.You will design scalable backend services, deploy APIs, and work across databases to support low-latency trading.Joining a tight-knit team of 3-4 engineers, you will tackle distributed systems challenges, optimize latency, and contribute to the data...

A stealth-mode startup in Portugal is seeking a Backend Engineer (Node.js/NestJS) to build and maintain a proxy backend for their AI platform. The ideal candidate will be experienced in Node.js and NestJS, familiar with databases like PostgreSQL and Redis, and comfortable working closely with C++ engineers. This role offers competitive compensation and the...

A stealth-mode startup is looking for a Backend Engineer (Node.js/NestJS) to extend their AI platform in Lisbon. The role involves building a proxy backend, integrating with existing systems, and extending dashboards. Candidates should have strong backend engineering skills, experience with PostgreSQL and Redis, and familiarity with Socket.IO. The company...

About the teamThe AI/ML Engineering team builds and operates ClickHouse's AI and machine learning products end-to-end. This includes the Agentic Data Stack, AI Functions, chDB, the in-Console copilot, and the AI/ML partnerships that distribute them — together with the shared components and expertise that let every other ClickHouse team ship AI in the...

Lever, Inc. is seeking a Senior AI Engineer (f/m/x) for a senior backend engineering focus in building internal AI infrastructure. The role emphasizes production-grade AI tools, platform development, security, and enterprise governance.You will shape priorities with technology leadership and own reusable AI capabilities across the org. Based in Europe,...

OutSystems, Inc. is seeking a Senior Security Engineer for the Application Security team to own and execute security initiatives across the SDLC. You will partner with engineering and platform teams to embed security by design in our AI-powered low-code platform and mentor junior engineers. This role demands autonomy, strong collaboration, and a proven...