Software Engineer III

  • Location: Cambridge, Massachusetts
  • Type: Contract
  • Job #104385

 Title
Software Engineer III

Client
Fortune 25 Company

Location
Remote, Within the United States

Schedule
Monday – Friday

Type
Full-time, Ongoing W2, 12-Month Contract, New Role & Possible Extensions

Pay Rate
$97.50, with overtime pay and a half

Benefits
3 Weeks PTO, Medical, Dental, Vision, 401(k), Life Insurance, Disability Coverage, Holidays Off but Unpaid


Summary
Our client is seeking an AI Engineer to help build and scale next-generation multimodal AI systems. This role focuses on developing data engines and evaluation platforms that transform raw multi-format data into high-quality benchmarks used to advance large-scale AI models.

This position is ideal for an engineer with strong experience in machine learning systems, dataset development, and model evaluation who thrives in research-driven and highly technical environments.

The AI Engineer will collaborate with cross-functional teams of researchers and engineers to design datasets, fine-tune models, and build tools that support large-scale AI training and evaluation workflows.


Key Responsibilities

Data Engineering & Dataset Development

  • Design and curate datasets for training and evaluating multimodal models (image, video, audio, and text data)
  • Develop methods to bootstrap, augment, and rebalance datasets using machine learning models
  • Ensure high-quality data pipelines that support large-scale model training

Model Evaluation & Optimization

  • Run model evaluations and implement evaluation metrics for multimodal systems
  • Fine-tune models using labeled datasets to improve performance and accuracy
  • Analyze model outputs to improve training data and benchmarking processes

Platform & Tool Development

  • Build and deploy internal tools and annotation task UIs using React and TypeScript
  • Develop scalable data ingestion pipelines from warehouses, storage systems, and flat files
  • Support high-volume data processing and system optimization

Cross-Functional Collaboration

  • Partner with research and engineering teams to align on model development and evaluation needs
  • Translate research requirements into scalable engineering solutions
  • Contribute to the development of production-ready AI systems

Required Education & Experience

  • Bachelor’s degree in Computer Science, Engineering, or related field
  • 4+ years of experience in machine learning, data engineering, or AI systems development

Required Skills & Qualifications

  • Experience working with multimodal data (image, video, audio, and text)
  • Strong programming experience in Python or similar languages
  • Experience with machine learning model training and evaluation workflows
  • Strong understanding of data pipelines and large-scale data processing
  • Experience building frontend tools using React and TypeScript
  • Strong analytical and problem-solving skills

Preferred Skills & Qualifications

  • Experience with large language models (LLMs) or multimodal models (MLLMs)
  • Familiarity with dataset annotation workflows and tooling 
  • Experience with distributed systems or large-scale compute environments
  • Background in research-driven or experimental AI environments

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