Senior Machine Learning Engineer

🕒 August 27, 2025

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Vectara

WebsiteLinkedInAll Job Openings

11 - 50 employees

🤖 Artificial Intelligence

🏢 Enterprise

☁️ SaaS

💰 $28.5M Seed Round on 2023-05

Artificial Intelligence • Enterprise • SaaS

Vectara is an AI Agent and Assistant platform for enterprises, focusing on building and deploying Generative AI (GenAI) in mission-critical applications. The platform emphasizes best-in-industry accuracy to minimize hallucinations and offers robust security and privacy measures, including SOC-2 Type 2 compliance. Vectara provides tools for developers and business users to create AI Assistants and Agents that can perform tasks such as analyzing unstructured data, solving deployment issues, generating legal contracts, and more. The platform supports multi-language data handling and offers API-first integration, stateful chat management, and auto-scaling features. It caters to industries such as telecommunications, education, healthcare, financial services, legal services, and manufacturing, and is designed to deliver fast, accurate, and secure AI-powered solutions.

📋 Description

• Vectara provides a scalable platform to deploy Enterprise AI Agents and AI Assistants focused on Accuracy, Security, and Explainability • Role Overview: Senior/Staff Platform Software Engineer building and scaling core infrastructure that powers retrieval-augmented generation platform • Design, prototype, research and build AI systems for Vectara • Train, evaluate and deploy ML models in NLP, Information Retrieval, AI Agents, LLMs and Multimodal Large Models • Improve the quality of Vectara’s AI Agents and RAG-as-a-service platform (agentic behavior, hallucination reduction/correction, agent orchestration) • Publish technical blogs, papers, and patents

🎯 Requirements

• BS/MS in Computer Science, Statistics, Electrical/Computer Engineering, Mathematics, or a related field • 5+ years (after BS) / 4+ years (after MS) of experience • Strong software engineering basics • Basic knowledge of training and evaluating ML models • Familiarity with deep learning concepts such as Transformers, Retrieval-Augmented Generation (RAG), mixture of experts (MoE) • Proficiency in data/ML libraries such as pandas, transformers, and torch • Hands-on experience training ML systems end-to-end from data curation to evaluation and deployment • Knowledge of state of the art open source models for various tasks (retrieval, reranking, multimodal LLMs) • Ability to collaborate with cross-functional teams • PhD in Computer Science/Engineering with 1+ years of industry experience (preferred) • Publications in venues such as ACL, NAACL, EMNLP, NeurIPS, ICML, ICLR as a key author (preferred) • Experience as an ML engineer in an early-stage, high growth environment (preferred) • Expertise in embedding models, rerankers, multimodal retrieval, question answering, reasoning, vector databases, BM25, planning and reasoning in LLMs, multilinguality in LLMs, NLG evaluation such as hallucination detection (preferred)

🏖️ Benefits

• Full-time employees are equity owners in the company (equity grant) • 100% paid Medical, Dental, Vision begins on your first day • Option of Health Savings Account (HSA) or Flexible Savings Account (FSA) • Generous paid time off (PTO) plus paid sick time, holidays, and company rest days • Professional development and training opportunities • Company virtual happy hours and fun team building activities