Ontra · 1 day ago
Senior Machine Learning Engineer
United States
Full-time
Onsite
Senior Level
$230K/yr - $346K/yr
5+ years expOntra is a leader in AI-powered solutions for the private markets, seeking a Senior Machine Learning Engineer to design and scale advanced machine learning systems. The role focuses on automating the extraction of legal entities from complex legal documents and requires collaboration with various teams to integrate AI solutions into workflows.
Artificial Intelligence (AI)Document ManagementLegalLegal TechSoftware
Responsibilities
ML System Design: Design, build, and scale advanced machine learning systems to automate the extraction of legal obligations and private equity relationships from complex private equity documents
Model Development: Develop and fine-tune LLM solutions for legal workflows, enhancing the capabilities of Ontra’s AI systems with custom NER pipelines and AI search
Collaboration and Integration: Work closely with product, design, data science, legal, and engineering teams to define project requirements and seamlessly integrate AI solutions into existing workflows
Data and Pipeline Management: Review and refine datasets and machine learning pipelines to ensure they deliver high performance, scalability, and are tailored to evolving needs
Production Deployment: Deploy and continuously monitor machine learning models in production, conducting experiments and implementing optimizations to improve model performance
Workflow Improvement: Drive measurable improvements in legal review processes and enhance end-user productivity through advanced AI applications and tools
Qualification
Required
5+ years in applied machine learning or NLP roles
Proficient understanding of transformer-based architectures, embeddings, and document-level NLP
Demonstrated experience in deploying ML models in production environments, including the use of orchestration and monitoring tools
Familiarity with AI search, vector stores (e.g. OpenSearch, Pinecone, Weaviate), or hybrid RAG systems
Bachelor's or Master's degree in Computer Science, Engineering, or a related field preferred
Benefits
Remote-first working policy, with office hubs in SF, NYC, Santa Barbara, and London
Twice yearly team offsites for in-person collaboration
Paid flexible time off policy
Paid parental leave and benefits
Employer-supported retirement contributions, varying by country
Monthly phone and internet reimbursement
Company-sponsored LinkedIn Learning accounts, department budgets for professional development, and robust onboarding program
Various options for medical, dental, and vision insurance
Company
Ontra
Ontra automates legal workflows with AI for contract and compliance management.
201-500 employees
H1B Sponsorship
Ontra 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 (3)
2024 (3)
2023 (4)
2022 (2)
2021 (4)
Funding
Current Stage
Growth StageTotal Funding
$310MKey Investors
Silicon Valley BankBlackstone GroupBattery Ventures
2025-06-10Debt Financing· $70M
2021-10-27Series B· $200M
2019-01-01Series A· $40M
Leadership Team
Troy Pospisil
Founder / CEO
Eric Hawkins
Chief Technology Officer
Recent News
2025-06-11
Seattle TechFlash
2025-06-11
Company data provided by crunchbase