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Principal Python Software Engineer

United States, Boston 220000.00 - 250000.00 USD / Year · Job Posted April 27, 2026
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Job Description

Our growing Financial Services client is looking for an experienced Principal Software Engineer to join their team in Boston on a hybrid working pattern

Job Responsibility

  • Work closely with members of the Research group to review and define requirements for the compute platforms, workflow and observability systems
  • Provide expert level design that ensures the solution to be scalable, cost-effective and to have low maintenance
  • Lead technical design discussions within the team
  • Develop high quality solutions in both on premise environments and AWS Cloud using Python and other languages
  • Develop Infrastructure-As-Code solutions using Terraform, develop the automated build and deploy pipelines with unit and integrated tests to ensure high quality and efficient operations
  • Provide guidance to other team members on development tasks

Requirements

  • Bachelor’s degree in Computer Science, Computer Engineering or a related discipline
  • 8+ years of professional software development experience using Python or another object-oriented language
  • Ideally have worked with Django, Flask or FastAPI
  • Solid experience leading design or architecture of large-scale production systems
  • 3+ years of experience developing large, high-performance, distributed systems
  • Strong experience building high-performance cloud native solutions on public cloud (AWS preferred)
  • Strong in computer science fundamentals like data structures, algorithm design and complexity analysis

Nice to have

Ideally have worked with Django, Flask or FastAPI

What we offer

  • Competitive base salary
  • Benefits
  • Very high OTE with a solid performance bonus every year
  • Career progression and development opportunities
  • The chance to work within a challenging and fast-paced environment with some of the best in the field

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