Source Job

US

  • Lead a cross-functional team of ML engineers, data scientists, and MLOps professionals.
  • Oversee the full lifecycle of LLM and ML projects — from data collection to training, evaluation, and deployment.
  • Provide technical direction on large-scale model training, fine-tuning, and distributed systems design.

Machine Learning NLP Deep Learning MLOps LLM

20 jobs similar to Principal Engineer - ML

Jobs ranked by similarity.

US Unlimited PTO

  • Lead the design, development, and deployment of AI/ML models.
  • Build and maintain production-grade ML pipelines and model monitoring.
  • Mentor and develop junior AI engineers, laying the foundation for AI best practices.

Payabli enables any software company to become a payments company through its payment infrastructure and monetization platform to boost enterprise value.

$175,000–$200,000/yr
US

Lead AI and ML initiatives to design and implement production-grade machine learning systems and pipelines. Develop scalable infrastructure for model training, evaluation, and deployment, ensuring reliability and observability. Collaborate with cross-functional teams to drive innovation and efficiency.

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

$175,000–$200,000/yr
US

The AI Architect will drive Magna’s AI vision from concept to commercialization. You will design and implement AI systems and lead development teams. You will also partner with executives to identify opportunities, drive adoption, and deliver measurable value.

Magna Legal Services provides end-to-end legal support services to law firms, corporations, and governmental agencies throughout the nation.

Europe

Continuously improve the performance and scalability of ML models. Build and deploy models from inception to live in production pipelines. Advocate for code and process improvements across your team, and help to define best practices based on personal industry experience and research.

BenchSci's mission is to exponentially increase the speed and quality of life-saving research and development.

$160,000–$190,000/yr

  • Design, implement, and deploy AI-powered features, including model training, fine-tuning, and prompt engineering workflows.
  • Translate product requirements into robust, production-ready AI solutions, working with Product Managers, Software Engineers, and Data Scientists.
  • Optimize models and infrastructure for scalability, latency, and cost efficiency, partnering with DevOps and MLOps to ensure reliable and maintainable AI pipelines.

Paper is reimagining how schools support students so that every learner can reach their full potential.

NAMER EMEA

In this role, you will drive the strategic and technical direction of AI engineering across multiple product lines, shaping how advanced AI capabilities power user-facing automation experiences. You will lead high-impact engineering teams, guiding experimentation, architecture decisions, and end-to-end delivery of AI-driven solutions. Working closely with product, design, and go-to-market teams, you will help define the roadmap, unify core AI initiatives, and turn bold ideas into scalable outcomes.

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements.

$120,000–$150,000/yr

  • Architect, build, and deploy LLM-powered applications that augment and automate key workflows.
  • Design autonomous AI systems that can execute technical analysis, testing, troubleshooting, and decision-making at scale.
  • Develop AI-driven tools that create measurable business impact — improving efficiency, accelerating innovation, and driving revenue growth.

Sierra Studio connects talented Brazilian professionals with exciting career opportunities in a highly-vetted small community of growing companies in the US. They specialize in enabling merchants, consumers, and partners to operate with flexibility, intelligence, and trust with over 250 people.

  • Design, build, and deploy machine learning models for personalization, automation, and insights.
  • Manage the full ML lifecycle: data preprocessing, feature engineering, training, tuning, evaluation, deployment.
  • Integrate ML outputs into user-facing products and backend systems.

BJAK is a leading digital insurance platform, helping millions of users access affordable and transparent financial protection.

Canada

  • Architect and lead the development of agentic workflows and fine-tuned models for the automation of new and existing security operations processes.
  • Establish ML and data pipelines for the training and deployment of fine-tuned generative AI and machine learning models.
  • Design scalable systems to unify and correlate data across heterogeneous sources using rule-based, probabilistic, and ML-based approaches.

Jobgether uses an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Their system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company.

US Unlimited PTO

  • Drive the development and deployment of advanced AI models and systems that power Abacus products.
  • Oversee software development teams (30+ engineers) across multiple product lines, guiding architecture decisions and coding standards.
  • Lead critical projects in AI and data engineering, ensuring roadmap delivery and maintaining high quality standards.

Abacus Insights aims to unlock the power of data, enabling health plans to deliver the right care at the right time. Backed by $100M, they foster a bold, curious, and collaborative environment where innovation starts with people working together to make an impact.

$130,000–$250,000/yr
US

Lead a team of ML engineers building next-generation personalization and optimization systems. Balance hands-on technical work with team leadership, driving both technical excellence and business impact. Architect complex systems while mentoring others and collaborating across organizations.

Launch Potato is a profitable digital media company that reaches over 30M+ monthly visitors through brands such as FinanceBuzz, All About Cookies, and OnlyInYourState.

US UK

As a Principal Decision Scientist, you will define high-level business objectives directly with clients, then develop and execute the project plan to meet those objectives. You will provide technical leadership to guide development work across teams while also owning and delivering specific technical components yourself. You will design and develop feature engineering pipelines, build ML & AI infrastructure, deploy models, and orchestrate advanced analytical insights.

Aimpoint Digital is a premier analytics consulting firm with a mission to drive business value for clients through expertise in data strategy, data analytics, decision sciences

$200,000–$227,700/yr
US

  • Design, train, and operate ML systems that power the Tebra platform.
  • Own the entire lifecycle from data exploration and model development to deployment.
  • Push the boundaries of applied ML in healthcare, transforming messy real-world data into reliable automation.

Kareo and PatientPop have joined forces to become Tebra, the digital backbone for practice well-being, helping independent practices bring modernized care to patients.

Europe 4w PTO

Lead and mentor a team of AI engineers, providing coaching and performance feedback. Oversee the delivery of AI-powered product features, from prototypes to scalable production systems. Collaborate with Product, Design, and Data teams to ensure AI solutions are impactful and aligned with business goals.

Hostinger is shaping the future of online success powered by AI and driven by people, providing tools that help individuals and small businesses succeed online faster and easier.

US

  • Define and drive multi-year technical strategy for machine learning across Affirm.
  • Lead the design, implementation, and scaling of advanced ML systems.
  • Provide technical leadership across the ML organization, mentoring senior engineers.

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest.

North America Canada

  • Lead domain-specific model optimization using PEFT (LoRA/QLoRA) and knowledge distillation to balance cost, latency, and reasoning capability.
  • Build next-gen Retrieval-Augmented Generation pipelines using hybrid search, cross-encoders, and self-correcting retrieval loops.
  • Design and deploy multi-agent systems using frameworks like LangGraph or CrewAI, enabling autonomous task planning and tool-use (Function Calling).

ServiceNow is a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500®. Their intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work.

Europe

Shape the future of AI-powered search across all OLX verticals. Lead the design and evolution of OLX’s Search AI Platform, developing LLM- and GenAI-based systems that power discovery and relevance. Mentor and inspire data scientists and ML engineers across OLX’s global hubs, sharing best practices and shaping the future of applied ML at scale.

At OLX, we work together to build a more sustainable world through trade.

$259,300–$305,000/yr
US Unlimited PTO

  • Own end-to-end implementation of AI-powered product features, from prototypes to production.
  • Mentor other engineers on the team, leveling up the team as a whole.
  • Collaborate across the organization to support shipping these features to production.

Honeycomb is a service for the near and present future, defining observability and raising expectations of what developer tools can do!

$145,052–$164,014/yr
Europe Unlimited PTO

  • Lead an engineering team delivering high-quality products customers love.
  • Drive an AI-first approach across product development and engineering workflows.
  • Coach engineers effectively, support career growth, and raise the talent bar by developing and hiring individuals.

HackerOne is a global leader in Continuous Threat Exposure Management (CTEM).

Brazil

Lead a team of ML engineers building next-generation personalization and optimization systems. You'll balance hands-on technical work with team leadership, driving both technical excellence and business impact. Architect complex systems while mentoring others and collaborating across organizations.

Launch Potato is a profitable digital media company that reaches over 30M+ monthly visitors through brands such as FinanceBuzz, All About Cookies, and OnlyInYourState.