AI Agent Engineer – Coding Agent

Job not on LinkedIn

🕒 July 28

🇺🇸 United States – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🤖 Artificial Intelligence

👻 Ghost score 23%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Sekai

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2023

🤖 Artificial Intelligence

☁️ SaaS

👥 B2C

💰 $6M Seed on 2024-12

Artificial Intelligence • SaaS • B2C

Sekai is an AI-powered interactive content platform where anyone can create, play, remix, and share mini-apps in seconds. It hosts a community-driven ecosystem of user-created playable content — mini-apps, cards, polls, creative tools, fan interactions, quizzes, stories, music and sound, simulators, and other short interactive experiences. Sekai enables instant play on web and mobile, with deeper creation and remix tools available in its app. The platform emphasizes remixability, creative expression, and rapid creation of small interactive experiences powered by AI.

📋 Description

• Designing and owning our agent harness layer • Building long-horizon agentic workflows with maximal autonomy • Developing robust evaluation and quality loops, including eval harnesses, regression testing, and failure taxonomies • Designing model strategy: routing, benchmarking, reliability, and cost/latency optimization • Creating debuggable agent systems with tracing, metrics, alerts, and observability • Researching novel approaches and shipping them to production

🎯 Requirements

• You've built agentic systems — tool use, orchestration, retry/repair loops, context management • Experience with distributed / real-time systems • A research-and-ship mindset: you treat open-ended problems as experiments • Strong software engineering fundamentals, with depth in Python and/or TypeScript • A track record of shipping and operating production systems • A history of owning hard problems end to end • Strong product instincts: you can translate user-experience goals into system-design decisions

🏖️ Benefits

• Competitive compensation: salary + equity • Full medical / health insurance coverage