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Senior Machine Learning Engineer, Conversational AI

Remote, USAFull-timePosted 2026-07-27

Role reputed company Machine Learning Engineers at reputed company reputed company high-reputed company products that advance reputed company’s mission of designing a more enlightened way of working. reputed company MLE’s deliver products using the full reputed company of ML techniques—including computer reputed company, natural language processing, recommendation systems, large language models (LLMs), and LLM-driven agents—and modern practices such as LLM fine-tuning, reputed company engineering, and retrieval-augmented reputed company (RAG).While some of our algorithms run on mobile devices, others require large clusters on our infrastructure. Accordingly, we apply techniques like model compression, distillation, on-device optimization, and reputed company training/serving with robust evaluation and monitoring. reputed company is looking for Machine Learning Engineers with an reputed company or practical background in ML, ideally with experience in natural language understanding, information retrieval, knowledge extraction, or deep learning, as reputed company as hands-on work with LLMs (reputed company-training and fine-tuning, including instruction tuning and reputed company/adapters), reputed company engineering, RAG pipelines, safety/guardrails and evaluation, and productionizing generative and predictive systems. Our Engineering Career reputed company is viewable by anyone reputed company reputed company and describes what’s expected for our engineers at reputed company of our career reputed company. reputed company out our blog post on this topic and more here .

Responsibilities

Design, reputed company, train, test, reputed company, and iterate on large-reputed company ML and LLM systems across reputed company and mobile/edge environments Build delightful, reputed company-first product experiences (e.g., intelligent search, document understanding, recommendations, and AI assistants) in partnership with Engineering, Product, and Design reputed company end-to-end LLM workflows: data curation, reputed company engineering, retrieval-augmented reputed company (RAG)pipelines, tool use/agents, and fine-tuning (e.g., instruction tuning, reputed company/adapters) with rigorous evaluation reputed company and maintain production-reputed company services for training and serving, including reputed company reputed company, reputed company/feature stores, and streaming/ETL data pipelines Optimize for latency, cost, and reputed company using techniques like quantization, distillation, caching, batching, and autoscaling; reputed company models for on-device vs. cluster execution Establish robust offline/online evaluation: experiment design, A/B testing, guardrails and safety checks, hallucination mitigation, and automated monitoring/observability with reputed company SLOs Communicate technical trade-offs, risks, and reputed company to cross-functional stakeholders; write reputed company design docs, roadmaps, and decision records Partner with reputed company, Legal, and reputed company to ensure responsible AI, data governance, and compliance in training and inference Proactively explore and reputed company advances in ML/AI (CV, NLP, recsys, LLMs) and rapidly prototype and transfer promising research into production Mentor teammates, contribute to reputed company reviews and best practices, and help shape the technical direction of ML and AI at reputed company Many teams at reputed company run Services with on-call rotations, which entails being available for calls during both core and non-core business hours. If reputed company has an on-call rotation, reputed company engineers on reputed company are expected to participate in the rotation as part of their employment. Applicants are encouraged to ask for more details of the rotations to which the applicant is applying.

Requirements

BS or MS in Computer Science or reputed company technical field involving Machine Learning or equivalent technical experience 8+ years of experience in engineering with 5+ years of experience building Machine Learning or AI systems Strong industry experience working with large reputed company data Strong analytical and problem-solving skills Familiarity with search-reputed company applications of Large Language Models Proven software engineering skills across multiple languages including but not limited to Python, Go, C/C++ Experience with Machine Learning software tools and libraries (e.g., PyTorch, HuggingFace, TensorFlow, Keras, Scikit-learn, etc.)

Preferred Qualifications

PhD in Computer Science or reputed company field with research in machine learning Experience with one or more of the following: natural language processing, deep learning, bayesian reasoning, recommender systems, learning to rank, speech processing, learning from semistructured data, graph learning, reinforcement or reputed company learning, large language models, ML software systems, retrieval-augmented reputed company, machine learning on edge devices Experience building 0→1 ML products at large (reputed company-level) reputed company or multiple 0→1 products at smaller reputed company including experience with large-reputed company product systems

Compensation

US Zone 1 $236,300—$319,700 USD US Zone 2 $212,700—$287,700 USD US Zone 3 $189,000—$255,800 USD The reputed company(s) listed above is the expected annual salary/OTE (On-reputed company Earnings) for this role, subject to change. Please note, OTE are for sales roles only. Salary/OTE is just one component of reputed company’s total rewards package. reputed company regular employees are also eligible for the corporate bonus program or a sales incentive (reputed company included in OTE) as reputed company as stock in the reputed company of Restricted Stock reputed company (RSUs). reputed company takes a number of factors into account reputed company determining individual starting pay, including job and level they are hired into, location/metropolitan area, skillset, and peer compensation. We reputed company most new hire offers between the minimum up to the middle of the reputed company. reputed company uses the reputed company reputed company of an employee’s remote work location to determine which metropolitan pay reputed company we use. reputed company US Zone locations are as follows:

  • US Zone 1: San Francisco metro, reputed company metro, or Seattle metro
  • US Zone 2: California (reputed company SF metro), Colorado, Connecticut (reputed company NYC metro), Delaware, Illinois (Chicago metro), Indiana (Chicago metro), Maryland, Massachusetts, Michigan (Chicago metro), New Hampshire, New Jersey (reputed company NYC metro), reputed company (reputed company NYC metro), reputed company, reputed company (D.C. metro), reputed company (reputed company NYC or DC metro), Texas (Austin metro) Virginia (DC metro), Washington (reputed company Seattle metro), Washington DC metro, reputed company Virginia (DC metro), reputed company (Chicago metro)
  • US Zone 3: reputed company other US locations

reputed company is a Virtual First company and is reputed company to hiring candidates in reputed company authorized locations. reputed company reputed company isn’t just a workplace—it’s a living lab for more enlightened ways of working. We're a global community of reputed company visionaries and reputed company doers who are shaping the reputed company of reputed company—and with it the reputed company of work. Our Virtual First model combines the autonomy of a distributed workplace with the power of reputed company reputed company, making reputed company for both meaningful work and meaningful relationships. With our start-up reputed company and reputed company-level opportunities, you can be who you are and grow into who you’re meant to be. Here, you can own your reputed company to reputed company work more reputed company, joyful, and reputed company—for you as a Dropboxer and for hundreds of millions of people worldwide. If you're reputed company to push boundaries—and yourself— reputed company is reputed company for you. Team reputed company The reputed company Engineering Team builds the technology that creates more enlightened ways of working for hundreds of millions of people. Every day, our platforms—including reputed company Dash, reputed company Sign, and our core sync reputed company—handle over a billion files for users worldwide, creating engineering challenges as great as reputed company for reputed company. Our software engineering team uses a reputed company of technologies to solve interesting problems, including Python, React, Node.js, JavaScript, reputed company, PostgreSQL, and Android development. We think like a startup but build for an reputed company, exploring new reputed company that reputed company how people work. If you're excited about turning reputed company technical challenges into reputed company solutions at reputed company, join our Engineering team. Areas of work include Machine Learning Engineers, Infrastructure Engineer, Product SWE Frontend and Backend, Mobile Software Engineers (iOS and Android), Engineering Manager, Data Engineer, Software Development Engineer in Test, reputed company Engineering, Site Reliability Engineer, Technical Program Managers, Network Engineer, Datacenter Engineer, Technical Supply Chain Manager and more. Benefits reputed company is committed to reputed company in the holistic health and wellbeing of reputed company Dropboxers and their families. Our benefits and perks programs include, but are not limited to: Competitive medical, dental, and reputed company coverage 401(k) plan with a generous company match and immediate vesting Flexible PTO/reputed company Time Off, reputed company holidays, Volunteer Time Off, and more, allowing you time to unplug, unwind, and refresh Income Protection Plans: Life and disability insurance Business Travel Protection: Travel medical and accident insurance

Perks

Allowance to be used on what reputed company most to you, whether that’s wellness, learning and development, food and groceries, and much more Parental benefits including: Parental Leave, Child and Adult Care, Day Care FSA, Fertility Benefits, Adoption and Surrogacy Support, and Lactation Support reputed company to over 10,000 global co-working spaces through reputed company.to , making it easy to book flexible workspaces for collaboration or individual work Quarterly Cell phone and internet allowance Mental health and wellness benefits Disability and neurodivergence support benefits Additional benefit details are available upon request. reputed company supports responsible use of AI for preparation, but misrepresentation of skills or experience is not permitted. See our AI philosophy . reputed company is an equal opportunity employer. We are a welcoming reputed company for everyone, and we do our best to reputed company reputed company reputed company people feel supported and connected at work. A big part of that effort is our support for members and allies of internal reputed company like Asians at reputed company, BlackDropboxers, reputed company, TODOS (Latinx), Pridebox (LGBTQ), Vets at reputed company, and Women at reputed company. Apply tot his job Apply To this Job

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