Senior Machine Learning Engineer

Senior Machine Learning Engineer role at Recursion. Join to apply for the Senior Machine Learning Engineer role at Recursion.

The Impact You’ll Make: As a Senior Machine Learning Engineer, you will build a platform that accelerates drug discovery with machine learning for various data modalities, model architectures, and model sizes. You will leverage your experience in machine learning, software engineering, infrastructure, and data to enable the full model lifecycle from development through deployment.

• Build our machine learning platform from a mixture of off-the-shelf and custom tooling as needed to enable the full model lifecycle from development through deployment
• Design and implement scalable LLM serving infrastructure to support high-throughput inference and real-time model serving capabilities
• Architect infrastructure for agentic systems, including multi-agent coordination, workflow orchestration, and autonomous decision-making pipelines
• Partner with ML teams actively developing models to onboard them to platform capabilities
• Continuously optimize the platform to support emerging machine learning research capabilities and evolving use case needs
• Build and maintain orchestration frameworks for complex ML workflows, including agent-based systems and multi-modal model pipelines
• Inspire your team and stakeholders to find the best outcome by facilitating constructive dialogue and reconciling perspectives
• Create tools and experiences that support model development

The ML Infra team vision is to build and maintain a centralized platform with best-in-class tooling for machine learning, including intelligent agentic orchestration and LLC-powered capabilities. The team aims to make machine learning easy and accessible and to foster a culture of continuous learning and growth to stay informed of emerging technologies.

• Experience designing and building large distributed systems with scalable interfaces
• Proven experience with LLM serving infrastructure, optimization techniques for large-scale model inference, batching, and resource management
• Expertise in infrastructure for agentic systems, including multi-agent architectures, coordination protocols, and autonomous workflow management
• Strong background in orchestration frameworks and workflow management systems for complex ML pipelines and agent-based workflows
• Proficiency with the full lifecycle of ML and software development in production, including data preparation, model training, evaluation, deployment, monitoring, releasing, and maintaining mature ML products
• Authoring well-tested, scalable, documented code, peer reviews, CI/CD
• Experience with model optimization, quantization, and serving frameworks for efficient LLM deployment
• Knowledge of distributed agent coordination, task scheduling, and inter-agent communication patterns
• Ability to own projects in a collaborative open environment; ability to mentor, coach, and sponsor peers
• Nice to have: PyTorch, GCP, CUDA, Docker, Kubernetes, BigQuery, large-scale distributed systems, vLLM, Ray, Prefect, LangChain, model quantization techniques, distributed inference frameworks, agent orchestration platforms, workflow management systems

• A member of the ML Infra team will be your guide to ensure smooth onboarding
• You may attend one conference per year paid by Recursion to support our value of learning
• Opportunities to share your work and teach others through weekly initiatives like Wednesday Wins and Tech Talks
• Option to participate in coaching like BetterUp for leadership skills
• Annual in-person team gathering (usually in Salt Lake) to build alignment and motivation

This is an office-based, hybrid position at our UK headquarters located in London, England. Employees are expected to work in the office at least 50% of the time.

Estimated current annual base range: £75,900 to £101,900, plus eligibility for an annual bonus and equity, as well as a comprehensive benefits package.

• We act boldly with integrity; we balance risk with ethics, science, and trust
• We care deeply and engage directly
• We learn actively and adapt rapidly
• We move with urgency because patients are waiting
• We take ownership and accountability; teams own outcomes together
• We are One Recursion; true cross-functional collaboration

Our values underpin the employee experience at Recursion and guide how we communicate, support one another, and make decisions.

Recursion is a clinical stage TechBio company focused on decoding biology to improve lives. Recursion OS enables a platform that supports large-scale biological and chemical data and machine learning applications. Recursion is headquartered in Salt Lake City with offices in London, Toronto, Montréal, New York, and others. Learn more at www.Recursion.com.

Recursion is an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other characteristic protected by law. Accommodations are available on request for candidates taking part in the selection process.

Recruitment & Staffing Agencies: Recursion does not accept resumes from agencies unless contacted directly by internal Talent Acquisition. Any resume submitted by an agency without a signed agreement will become property of Recursion.

• Mid-Senior level

• Full-time

• Engineering and Information Technology