Senior ML Engineer — AI Services & LLM Systems

Workato; Sofia (NM); On-site; USD 140,000 - 190,000; Full time

Job summary

Workato is seeking a Middle / Senior Machine Learning Engineer / Data Scientist to join our AI team. You will design, build, deploy, and improve ML/LLM-powered services that power intelligent automation and AI-driven product experiences across the Workato platform.

Collaborate with Engineering, Product, and Design to define metrics and experiments, and ship AI-powered capabilities at scale. The role emphasizes strong ML/LLM intuition, solid software engineering, and a practical mindset for

Qualifications

• Bachelor's or Master's degree in Computer Science, Engineering, Mathematics, Statistics, or equivalent practical experience
• 3+ years of experience in Machine Learning Engineering, Data Science, or similar role
• Strong Python programming skills
• Hands-on experience with NLP and/or LLM-based systems
• Strong understanding of software engineering fundamentals (testing, code quality, debugging, version control)
• Ability to work collaboratively in a fast-moving environment and drive projects with ownership

Responsibilities

• Build and improve AI services using LLMs and custom machine learning models for production use cases.
• Design, develop, and operate ML/LLM systems end-to-end, from prototyping to deployment and monitoring.
• Write high-quality Python code that is testable, maintainable, and efficient.
• Improve validation, observability, and performance monitoring for ML services (quality, latency, reliability, cost).
• Partner cross-functionally with product managers, platform engineers, and other stakeholders to ship AI-powered product capabilities.
• Evaluate and improve existing implementations by identifying bottlenecks, bugs, and opportunities for optimization.
• Design controlled experiments to test features for AI-based products and analyze results for actionable insights.
• Contribute to technical design and code reviews, raising engineering quality across the team.
• Experiment and iterate on model behavior, prompting, retrieval, tool use, or orchestration strategies to improve user outcomes.

Skills

Python

NLP/LLM

ML Eng

Team collaboration

Education

Bachelor's/Master's in CS/Eng or related

Tools

CI/CD tooling

Data warehouses (Redshift/Snowflake)

LLMOps tooling

Job description

Workato is seeking a Middle / Senior Machine Learning Engineer / Data Scientist to join our AI team. You will design, build, deploy, and improve ML/LLM-powered services that power intelligent automation and AI-driven product experiences across the Workato platform.

Collaborate with Engineering, Product, and Design to define metrics and experiments, and ship AI-powered capabilities at scale. The role emphasizes strong ML/LLM intuition, solid software engineering, and a practical mindset for