Senior AI Engineer

AI EngineerMachine Learning EngineerFull TimeRemoteSenior

Location

Estonia + 9 moreAll locations: Estonia | Greece | Hungary | Poland | Romania | Lithuania | Bulgaria | Croatia | Slovakia | Latvia

Posted

29 days ago

Salary

€6.5K - €9K / month

Seniority

Senior

No structured requirement data.

Job Description

Senior AI Engineer

CAST AI

Role Description Kimchi is the AI platform inside CAST AI. We started by helping companies run LLMs on their own Kubernetes clusters - now we're building the execution layer where agents do real work. What you'll build: - The ratchet: Engineering solutions to prevent agent mistakes. - Long-horizon execution: Spec-driven autonomy, automatic replanning, and crash recovery. - Planner/executor splits: Using different models for planning, executing, and evaluating. - The harness surface: CLI, TUI, MCP integration, and telemetry. - Memory and context: Managing state and context across sessions. Qualifications - Experience using AI coding agents in real work scenarios. - Strong TypeScript or Go skills in production. - Ability to think in harness terms and diagnose context issues. - Experience driving features end-to-end. Requirements - Build and evolve the agent harness. - Own long-horizon execution and completion metrics. - Architect planner/executor/evaluator pipelines. - Manage agent memory and context. - Own the harness surface and integrations. Benefits - Competitive salary (€6,500 - €9,000 gross, depending on experience). - Flexible, remote-first global environment. - Collaboration with a global team of cloud experts. - Equity options. - Fast-paced workflow with quick feedback. - 10% of work time on personal projects or self-improvement. - Learning budget for professional and personal development. - Annual hackathon to spark new ideas. - Team-building budget and company events. - Equipment budget for necessary tools. - Extra days off for work-life balance.

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