Susquehanna International Group

Machine Learning Engineer | Experienced Hire

Susquehanna International Group$100K — $150K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Experience with data pipeline development and ETL processes
  • Strong systems programming skills with expertise in performance optimization
  • Proficient in Python for software engineering
  • Experience in writing and optimizing custom GPU kernels
  • Previous contributions to observability, benchmarking, or performance-focused infrastructure at scale
  • Familiarity with AI/ML workloads
  • Ability to thrive in ambiguous, fast-paced environments with cross-disciplinary collaboration

Responsibilities

  • Design and implement high-performance data pipelines for large-scale data processing
  • Apply advanced techniques to enhance hardware efficiency in training runs
  • Implement custom GPU kernels for performance gains
  • Create observability and benchmarking tools for model performance analysis
  • Build and maintain secure sandboxed execution environments

Benefits

  • Collaborative culture that encourages innovation and research
  • Opportunity to shape the future of AI in a high-impact role
  • Access to cutting-edge technology and resources
  • Supportive environment for complex system navigation
  • Potential career growth in a global quantitative trading firm
Full Job Description
Overview

 

We’re looking for a versatile Machine Learning Engineer to help build and optimize the core infrastructure that supports our AI research. This role involves working across the stack—from data processing and training efficiency to low-level GPU programming and performance tooling. You'll contribute to systems that are reliable, scalable, and tuned for high performance, while enabling researchers to better understand and improve their models. Ideal candidates are comfortable navigating complex systems, enjoy working across domains, and bring a strong engineering mindset paired with an interest in supporting innovative machine learning efforts.

 

What You’ll Do

  • Design and implement high-performance data pipelines for processing large-scale datasets with an emphasis on reliability and reproducibility
  • Apply the latest techniques to our internal training runs to achieve impressive hardware efficiency for our training runs
  • Implement custom GPU kernels
  • Create observability and benchmarking tools to help researchers understand the performance of their models/training runs
  • Build and maintain secure sandboxed execution environments
What we’re looking for
  • Experience with data pipeline development and ETL processes
  • Possess strong systems programming skills and understand performance optimization
  • Strong software engineering skills in Python
  • Experience writing and optimizing custom GPU kernels
  • Have contributed to observability, benchmarking, or performance-focused infrastructure at scale
  • Familiarity of AI/ML workloads
  • Comfortable working in ambiguous, fast-evolving environments and collaborating across disciplines

 

About Susquehanna International Group

Susquehanna International Group is a global quantitative trading firm that was founded in 1987. The company specializes in trading options, futures, equities, and other securities. It has offices in North America, Europe, and Asia and employs over 2,500 people. The company is known for its innovative trading strategies and advanced technology. It is also involved in venture capital and private equity investments.
Learn more about Susquehanna International Group
Size
2,500 employees
Industry
Founded
1987

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