Senior Backend Engineer - AI Products
Blackfluo.ai · Lisbon, PT
Location: 100% Remote Start date: ASAP Languages: Fluent English (required) Who This Role Is For If youve shipped scalable systems at AI or fintech startups...
Job description
Location: 100% Remote Start date: ASAP Languages: Fluent English (required) Who This Role Is For: If youve shipped scalable systems at AI or fintech startups , thrived in VC-backed environments , or built features that thousands of users rely on, this role is for you. Were looking for engineers who love full ownership , complex technical challenges , and seeing their work directly impact product and company growth . Whether your expertise is Python, Go, Node.js, or full-stack with React/TypeScript , if youve helped startups scale, youll feel at home here. What Youll Do: Build and scale backend services using Python, Go, or Node.js Contribute to full-stack features with TypeScript + React where applicable Design APIs, real-time pipelines, and distributed systems for production workloads Collaborate with product, design, and engineering teams to deliver end-to-end solutions Write clean, maintainable, and testable code Influence architecture, tooling, and best practices in a fast-growing startup environment Leverage AI-assisted development tools like Cursor to speed up workflow What Were Looking For: 4+ years of experience as a backend or full-stack engineer Strong in Python, Go, or N...