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DevFixr

Machine Learning Engineer

DevFixr

. Design realistic and challenging ML engineering coding tasks based on real-world codebases .

Posted 9/29/2026contractRemote • United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates extensive experience in Machine Learning Engineering with a strong focus on Python coding, debugging, and testing. Proficient in training and fine-tuning models using frameworks like PyTorch, JAX, and TensorFlow, while also capable of creating clear technical specifications and automated tests.

Highest-signal resume keywords
Machine Learning EngineeringPython ProgrammingModel Training and Fine-TuningAutomated TestingTechnical Specification Writing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Machine Learning EngineeringPython ProgrammingModel TrainingModel Fine-TuningDebuggingTestingLarge Codebase ManagementTechnical Specification Writing
Soft Skills
Strong Written English
Tools & Technologies
PyTorchJAXTensorFlowCUDATritonFSDPDeepSpeed
Industry Keywords
AI TrainingModel EvaluationRL EnvironmentsKaggleCompetitive ProgrammingOpen-Source Contributions

Tech Stack

Tools & technologies
PythonPyTorchTensorflow

About the role

Key responsibilities & impact
  • Design realistic and challenging ML engineering coding tasks based on real-world codebases
  • Build working reference solutions for each task
  • Create automated tests to verify that solutions are correct and robust
  • Ensure tasks are clearly defined and cannot be solved through shortcuts
  • Improve tasks based on reviewer feedback
  • Complete a short screening call and technical assessment before onboarding

Requirements

What you’ll need
  • 4+ years of hands-on ML Engineering experience in Python
  • Candidates with 3+ years of relevant Python/ML experience may also be considered when their education and practical experience demonstrate strong technical capability
  • Experience training or fine-tuning models using PyTorch, JAX, TensorFlow, or similar frameworks
  • Strong Python coding, debugging, and testing skills
  • Experience working with large or multi-file codebases
  • Strong written English
  • Ability to write clear technical specifications
  • Nice to have: GPU/ML systems experience with CUDA, Triton, FSDP, DeepSpeed, kernel optimization, multi-GPU, or distributed training
  • Nice to have: Experience with AI training/evaluation, benchmarks, model evaluations, or RL environments
  • Nice to have: Kaggle, competitive programming, or open-source ML contributions

Benefits

Comp & perks
  • Remote position
  • Fully remote work arrangement
  • Around 20 hours/week with flexible scheduling