Cresta · 1 day ago
Senior Staff Machine Learning Engineer (AI Agent)
United States
Full-time
Remote
Senior Level, Lead/Staff
7+ years expCresta is a company dedicated to enhancing customer conversations through AI technology. The role of Staff Machine Learning Engineer involves developing and deploying AI Agent solutions, focusing on practical AI challenges and collaborating with cross-functional teams to integrate these solutions into customer applications.
Artificial Intelligence (AI)Intelligent SystemsMachine LearningNatural Language ProcessingTelecommunications
Responsibilities
Design, develop, and deploy Cresta’s AI Agent solutions and proprietary models
Focus on practical AI challenges such as improving reasoning, planning capabilities, and evaluation in real-world scenarios
Collaborate with cross-functional teams including front-end and back-end software engineers to integrate AI Agents into Cresta’s customer solutions
Lead initiatives to scale AI systems for production environments, ensuring performance and reliability across use cases
Contribute to solving cutting-edge problems in AI and help define the future roadmap for Cresta’s AI Agents
Innovate and research ways to improve security, cost-efficiency, and reliability of AI systems
Qualification
Required
Bachelor's Degree in Computer Science, Mathematics, or a related field; Master's or Ph.D. preferred, or equivalent professional experience
7+ years of hands-on industry experience with AI and machine learning, preferably with 3+ years of experience working with LLMs in large-scale production environments
Expert knowledge of machine learning concepts and methods, especially those related to NLP, Generative AI, and working with LLMs
Proven leadership in designing and deploying AI solutions at scale, with a deep understanding of model optimization and real-time AI applications
Extensive practical knowledge of modern machine learning frameworks and technologies (e.g., PyTorch, Tensorflow, Hugging Face, NumPy), as well as experience with distributed systems and cloud-based AI infrastructure
Strong problem-solving and strategic thinking abilities, with a proven ability to lead cross-functional teams and work collaboratively to deliver innovative AI solutions in production
A passion for driving AI adoption and pushing the boundaries of AI technology into real-world applications, with an ability to mentor junior engineers and influence strategic decisions across the organization
Benefits
We offer Cresta employees a variety of medical, dental, and vision plans, designed to fit you and your family’s needs
Paid parental leave to support you and your family
Monthly Health & Wellness allowance
Work from home office stipend to help you succeed in a remote environment
Lunch reimbursement for in-office employees
PTO: 3 weeks in Canada
Company
Cresta
Cresta uses artificial intelligence to assist sales and service agents in the quality of customer service.
201-500 employees
H1B Sponsorship
Cresta has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (9)
2024 (6)
2023 (2)
2022 (10)
2021 (4)
2020 (3)
Funding
Current Stage
Late StageTotal Funding
$276MKey Investors
Tiger Global ManagementSequoia CapitalGreylock
2024-11-19Series D· $125M
2022-03-17Series C· $80M
2021-03-31Series B· $50M
Leadership Team
Ping Wu
CEO
Tim Shi
Co-Founder, Board Member
Recent News
Greylock
2025-12-02
Company data provided by crunchbase