Motion Recruitment is hiring a Senior Machine Learning Engineer for a hybrid role in Worcester, Massachusetts. In this position, you will turn applied AI capabilities into secure, scalable features across the applied AI stack, including generative AI/LLM applications, intelligent search, and agent-based systems.

This role is hands-on and end-to-end: you will design, implement, test, and deliver machine learning solutions that support research workflows, summarization, discovery, and knowledge-based decision making, while building distributed services that can operate reliably across a large enterprise product ecosystem.

What you’ll do

Own the technical work as a hands-on engineer, covering design, implementation, testing, and delivery
Build AI-powered capabilities for research, summarization, discovery, and knowledge-based decision making
Architect distributed machine learning services to perform reliably across a large enterprise product ecosystem
Develop and connect retrieval pipelines, model services, agent frameworks, and supporting APIs
Collaborate with application, platform, data, and security teams to meet requirements for performance, resilience, privacy, and scale

Key requirements

Proven success delivering machine learning or AI systems in production environments
Practical experience building applications that use LLMs, AI agents, and tool-driven workflows
Knowledge of RAG patterns, embedding models, vector stores, and relevance-focused retrieval techniques
Familiarity with operational ML practices, including testing, deployment automation, observability, and model governance
Strong Python development skills and solid software engineering fundamentals
Experience building cloud-native solutions with AWS and container orchestration platforms such as Kubernetes

Technology focus

Python, LLMs, RAG patterns, embedding models, vector stores, AWS, Kubernetes

Education

Bachelor’s degree or higher in computer science, machine learning, engineering, or a closely related field.

Benefits Motion Recruitment offers

Eligible for a performance-based bonus program
Comprehensive medical insurance
Dental insurance
Vision insurance
Paid time off and company leave programs
401(k) retirement plan, including an employer match where applicable

Preferred background

Exposure to legal technology, enterprise search, publishing, compliance, or another information-dense product domain
At least 12 years of software development experience, or 8+ years together with a PhD

Hybrid schedule: This position follows a hybrid schedule based in Worcester, Massachusetts. Candidates must be authorized to work full-time in the United States both now and in the future.

Senior Machine Learning Engineer