Senior Software Engineer, Agentic Ads Experience

🕒 July 6

🇺🇸 United States – Remote

💵 $190.8k - $267.1k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 28%

What it means: the chance that no one is really hiring for this job.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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📋 Description

• Design and ship advertiser-facing AI features and platform end-to-end, from prototype to GA • Make architectural decisions about generative AI usage, workflows, retrieval systems, agent loops, human review, or non-AI solutions • Build reliability and guardrails including structured outputs, tool/action boundaries, retries, cost controls, tracing, evals, and human-in-the-loop processes • Define offline and online evaluations, instrument traces, run A/B tests, and connect model and product metrics to advertiser and business outcomes • Design for data isolation, permissioning, auditability, and policy compliance • Partner with PM, Design, Data Science, ML Platform, Trust, and sales/ops • Collaborate with product teams to expose services and capabilities to centralized agents • Write design documents, explain trade-offs to non-engineers, and improve organizational practices for shipping generative AI features

🎯 Requirements

• 5+ years of experience as a software engineer, with a track record of shipping and operating production systems • Hands-on experience building generative AI applications: structured outputs, function/tool calling, prompt and context design, RAG, model routing, and handling model failure modes • Genuine enthusiasm for agents and LLMs; familiarity with the evolving ecosystem • Strong systems fundamentals: APIs, distributed systems, queues, data stores, service ownership, auth, idempotency, retries, and observability • Experience defining evals and measurement for AI systems, including offline datasets and online metrics • Fluency with AI coding tools and code-assistant workflows • Excellent communication skills and ability to collaborate effectively in a remote environment • Extensive software development experience in one or more general purpose languages: Python, Golang, Rust, Java, JavaScript, etc.

🏖️ Benefits

• Comprehensive Healthcare Benefits and Income Replacement Programs • 401k Match • Family Planning Support • Gender-Affirming Care • Mental Health & Coaching Benefits • Flexible Vacation & Reddit Global Days Off • Generous paid Parental Leave • Paid Volunteer time off • Equity in the form of restricted stock units • Medical, dental, and vision insurance • 401(k) program with employer match • Generous time off for vacation and parental leave • Option to opt out of AI interview recording, transcription, and summarization • Reasonable accommodations during the interview process

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