Senior AI Systems Engineer (RAG)

Fully remote, well-funded AI startup. Excellent benefits, stable future, room for growth! This Jobot Job is hosted by: Grant Greenhalgh Are you a fit? Easy Apply now by clicking the "Quick Apply" button and sending us your resume. Salary: $170,000 - $200,000 per year A bit about us: We're an early-stage AI startup on a mission to redefine how users interact with intelligent systems. We're building something brand new and we're looking for talent to help us scale our platform services. Why join us? Fully Remote Well-funded Senior team of proven engineers Autonomy and upward mobility Competitive compensation Lucrative Equity Great healthcare benefits Job Details We're seeking a Senior AI Systems Engineer with deep expertise in RAG, information retrieval, and LLM context engineering. This position focuses on LLMS receive the right information, in the right format, at the right time. You'll take technical ownership of the systems responsible for identifying relevant information, retrieving it efficiently, and constructing high-quality context for downstream language models. The ideal candidate has built and optimized these systems in production, and understands the limitations of modern LLMs. What You'll Do Design and Optimize Retrieval Systems: Architect and improve RAG pipelines supporting complex AI applications. Develop sophisticated retrieval strategies using semantic search, optimize document ingestion, indexing, and retrieval across large datasets. Advance LLM Context Engineering: Design intelligent context assembly strategies that determine which information reaches the model and how it's organized. Optimize context selection, ordering, compression, and token utilization to improve LLM response quality. Build Evaluation and Measurement Frameworks: Develop repeatable evaluation pipelines to measure retrieval relevance, answer quality, factual grounding, and system performance. Establish benchmarks and datasets to identify regressions and guide technical improvements. Engineer Secure, Production-Ready AI Systems: Implement retrieval architecture, ensure retrieved content is accurate, traceable, and appropriately grounded in source material. What We're Looking For Strong software engineering background with hands-on experience developing and maintaining production AI systems. Demonstrated expertise in RAG, information retrieval, semantic search, or LLM context engineering. Experience designing and operating retrieval or context management systems serving real users in production. Deep understanding of document chunking, embedding strategies, vector search, hybrid retrieval, indexing, and re-ranking. Strong knowledge of LLM behavior, including context-window limitations, information ordering, token management, and grounding. Ability to measure and optimize tradeoffs involving quality, latency, scalability, and infrastructure cost. Understanding of document-level authorization, data isolation, and secure information retrieval. Interested in hearing more? Easy Apply now by clicking the "Quick Apply" button. Jobot is an Equal Opportunity Employer. We provide an inclusive work environment that celebrates diversity and all qualified candidates receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, age (40 and over), disability, military status, genetic information or any other basis protected by applicable federal, state, or local laws. Jobot also prohibits harassment of applicants or employees based on any of these protected categories. It is Jobot's policy to comply with all applicable federal, state and local laws respecting consideration of unemployment status in making hiring decisions. Sometimes Jobot is required to perform background checks with your authorization. Jobot will consider qualified candidates with criminal histories in a manner consistent with any applicable federal, state, or local law regarding criminal backgrounds, including but not limited to the Los Angeles Fair Chance Initiative for Hiring and the San Francisco Fair Chance Ordinance. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy here: