Senior FullStack engineer (AI-First)

Fulcrum is a tech company looking for a Full-Stack Engineer (AI-First) to build an AI-powered platform with autonomous agents. The role combines full-stack development with AI-driven workflows and requires a high level of ownership and comfort working in a fast-paced startup environment.

Requirements

• 3+ years of experience with JavaScript / TypeScript
• Strong experience with React (React 18+) and Node.js
• Experience building applications with Server-Side Rendering (SSR)
• Experience developing REST APIs
• Experience integrating LLM APIs (OpenAI, Anthropic, or similar)
• Experience working with databases (experience with SurrealDB or similar NoSQL databases is a plus)
• Experience with Redis or streaming systems (e.g., Redis Streams), also Docker and containerized environments
• Experience with Git-based workflows and CI/CD pipelines
• Understanding of basic security principles in web applications
• Ability to work in an AI-powered development workflow (using modern AI tools in development), with AI agents / agentic systems
• Experience with Own Agent Building

Benefits

• Flexible schedule & opportunity to work remotely or workspace in Kyiv
• Friendly & open team who have fun creating cool projects together
• Opportunity to boost your professional & personal growth
• Regular team gathering activities
• 20 business days of paid vacation + UA national holidays
• Medical insurance full coverage
• 10 + 5 days paid sick leave