Mem0 · 2 days ago
Senior Research Engineer
San Francisco, CA
Full-time
Onsite
Senior Level
$175K/yr - $210K/yrMem0 is a company focused on memory features, and they are seeking a Senior Research Engineer to own the end-to-end lifecycle of these features from research to production. The role involves fine-tuning models, building evaluations at scale, and collaborating closely with customers and engineering teams to improve quality and performance.
Artificial Intelligence (AI)Information TechnologyMachine LearningSaaS
Responsibilities
Fine-tune and train models for memory extraction, updates, consolidation/forgetting, and conflict resolution; iterate based on data and outcomes
Read, reproduce, and implement research: quickly prototype paper ideas, benchmark against baselines, and productionize what wins
Build evaluation at scale: automated relevance/accuracy/consistency metrics, gold sets, online A/B & interleaving, and clear dashboards
Work closely with customers to uncover pain points, turn them into research hypotheses, and validate solutions through field trials
Partner with Engineering to ship: design APIs and data contracts, plan safe rollouts, and maintain SOTA latency, reliability, and cost at scale
Qualification
Required
Experience in RAG or information retrieval (retrieval, ranking, query understanding) for real products
Model training/fine-tuning experience (LLMs/encoders) with a strong footing in experimental design and iteration
Strong Python; deep experience with PyTorch and familiarity with vLLM and modern serving frameworks
Built evaluation for complex vision-and-language tasks (gold sets, offline metrics, online tests)
Able to orchestrate data pipelines to run these models in production with low-latency SLAs (batch + streaming)
Clear, concise communication with stakeholders (engineering, product, GTM, and customers)
Preferred
Publications at venues like CVPR, NeurIPS, ICML, ACL, etc
Experience with privacy-preserving ML (redaction, differential privacy, data governance)
Deep familiarity with memory/retrieval literature or prior work on memory systems
Expertise with embeddings, vector-DB internals, deduplication, and contradiction detection
Company
Mem0
Mem0 is a SaaS company that specializes memory layers for LLM applications.
Founded in 2023
2-10 employees
Funding
Current Stage
Early StageTotal Funding
$24.4MKey Investors
Basis Set VenturesKindred VenturesY Combinator
2025-10-28Series A· $20M
2025-10-28Seed· $3.9M
2024-09-25Pre Seed· $0.5M
Recent News
2025-11-04
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