Senior AI / ML Engineer (LLMs)

About the role

For our client, we are seeking a Senior AI / ML Engineer (LLMs) to join the team of a leader in the Information Technology space. This role will focus on building and optimizing AI capabilities that support document understanding, summarization, and decision-making workflows. You will lead technical efforts from concept through production, partnering closely with data labelers, subject matter experts, and cross-functional stakeholders to deliver scalable, reliable solutions. The work will combine modern Python engineering, LLMs, retrieval-augmented generation, and statistical modeling to improve model quality and business outcomes.

Responsibilities

• Lead AI/ML projects from ideation to ongoing optimization.
• Make high-level architectural decisions balancing system scalability and business impact.
• Design and deploy AI features for medical document synthesis and summarization.
• Develop hybrid machine learning solutions to enhance accuracy and scalability.
• Write efficient, scalable code while optimizing existing systems in production.
• Collaborate with data labelers and subject matter experts to improve AI model outputs.
• Partner with cross-functional teams to define requirements and iterate on feedback.

Qualifications

• 5-8+ years of experience writing performant Python code following modern best practices.
• Minimum 1 year of experience building and deploying products powered by large language models (LLMs) in fast-paced environments.
• Proven experience leading technical projects from concept through production deployment.
• Experience making architectural decisions for AI/ML systems with a focus on scalability and reliability.
• Hands-on experience with hybrid approaches that combine LLMs, RAG, and statistical models.
• Strong skills in evaluating and interpreting LLM outputs to align with business outcomes.
• Expertise in prompt engineering for domain-specific applications.

Benefits

• Medical, dental, vision, short- and long-term disability, life insurance, and 401(k) matching
• 100% paid parental leave and flexible schedules for new parents
• Catered lunches, happy hours, and pet-friendly office spaces
• $1,000/year for professional development and tuition reimbursement opportunities

Location: Remote - US based candidates only, no visa sponsorship available

Compensation: $200,000 – $235,000 annually