Senior AI Engineer

About On The Spot:

We support tech companies in building engineering teams. For this role, we act as a recruitment partner handling the hiring process on behalf of our customer.

About the team:

We're helping our customer build their engineering team and hire an AI Architect.The team operates in stealth. We'll be happy to share details during the interview stages.

About the role:

We are looking for a Senior AI Engineer to help build a new generation of autonomous AI systems. This role combines AI, LLMs, agent systems, backend engineering, and distributed systems.

The product is live with customers, and you will own key parts of its development.

Responsibilities:

• Autonomous AI agents with persistent state and memory

• Agent planning, reasoning, and decision-making

• Behavioral and personality models that influence decisions

• Long-term memory and context management

• Tool use and dynamic tool selection

• Browser and environment interaction

• Autonomous data exploration and extraction

• Distributed systems for running many agents and workers

• Monitoring, evaluation, and simulation

Requirements:

• 5+ years in software engineering or AI/ML, including hands-on work on AI agents and agent-based systems

• Strong knowledge of LLMs: choosing models by task and cost, memory, retrieval, and context management

• Strong backend and system design skills (TypeScript/Node.js or Python preferred)

• Distributed and async systems: message queues, caching, NoSQL and vector databases

• AWS, container orchestration (Kubernetes, Fargate, or similar) and VMs

• Product mindset and ability to take ideas from concept to a working solution independently

• Fluent English — B2

Nice to have:

• Multi-agent systems, computer-use / browser agents and behavioral modeling

• Large-scale distributed systems

• MCP and API integrations with customer systems

• Experience with Next.js

• Background in OSINT, intelligence, or cybersecurity

Benefits:

You'll be employed directly on a full-time basis. The benefit package will be discussed individually during the interview process.