Senior AI/ML Engineer

Perform

Senior AI/ML Engineer leading development of LLM-based systems and NLP pipelines remotely. Collaborating with founders and shaping technical direction in an ambiguity-friendly environment.

Posted 4/22/2026full-timeRemote • 🌎 Anywhere in the WorldSeniorWebsite

Tech Stack

Tools & technologies

AWSJavaScriptMongoDBNode.jsPythonReactSelenium

About the role

Key responsibilities & impact

Lead the design and development of machine learning systems and LLM-based applications
Fine-tune and adapt large language models for domain-specific use cases
Build NLP pipelines to extract structured data from complex, unstructured documents
Translate ambiguous product goals into clear technical and ML execution plans
Work directly with product signals, user feedback, and backlog input to prioritize development work
Build evaluation systems to measure model performance and detect regressions
Design automated benchmarking pipelines for continuous model testing
Define meaningful performance metrics tied to real-world outcomes
Build feedback loops that use user corrections to continuously improve model performance
Apply computer vision techniques to extract data from PDFs and scanned documents
Develop AI agents that interact with web systems using automation tools such as Playwright or Selenium
Work across system design, infrastructure, training, and inference pipelines
Build scalable ML systems and supporting infrastructure from the ground up

Requirements

What you’ll need

6+ years of Python development experience
4+ years of experience in AI/ML engineering roles
Strong experience building and deploying LLM-based systems (e.g., Claude, OpenAI models)
Comfortable using modern LLM workflows such as prompting, evaluation, and iteration
Experience building NLP systems for information extraction or document understanding
Strong understanding of model evaluation, benchmarking, and performance measurement
Experience working with JavaScript/Node.js and React in production environments
Familiarity with MongoDB and AWS
Experience building systems that integrate feedback loops or continuous learning
Comfortable working in ambiguous environments without fully defined specifications
Strong communication skills (upper intermediate or higher English)

Benefits

Comp & perks

Health insurance
Retirement plans
Paid time off
Flexible work arrangements
Professional development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Pythonmachine learninglarge language modelsNLPcomputer visionmodel evaluationbenchmarkinginformation extractionJavaScriptNode.js

Soft Skills

strong communicationproblem-solvingadaptabilitycollaborationprioritizationtechnical translationuser feedback integrationcontinuous learningworking in ambiguityfeedback loop development