Principal Engineer - Python API Development - job post

Fidelity InvestmentsJersey City, NJ 07311full_timeprincipal

$107,000 – $216,000 USD

Tech Stack

Solid badges = required, outlined = preferred

Responsibilities

  • Design, build, and evolve reliable, secure, and cost-efficient platform capabilities for machine learning at enterprise scale.
  • Take a hands-on role in improving shared services, CI/CD workflows, and infrastructure patterns across enterprise repositories.
  • Lead deep technical investigations of performance and scalability issues, including bottleneck identification and resource optimization for ML workloads.
  • Set platform strategy and standards for ML packaging, deployment, serving, and observability, driving consistent adoption.
  • Partner with Data Scientists to package, scale, and operationalize models, defining APIs and automation for production readiness.

Soft Skills

DevopsSlosIncident ResponsePost-MortemsMachine LearningAutomated TestingTechnical Decision-MakingMentoringCode Review CultureStakeholder Management

Benefits

  • 401k
  • Employee Match Program
  • Health Insurance
  • Mental Health
  • Paid Time Off
  • Parental Leave
  • Tuition Reimbursement

Culture

Cross-Functional TeamsBlameless PostmortemsCode Review Culture

Requirements

Required: Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a closely related engineering discipline
Regions: Us

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About Fidelity Investments
Industry: financial services
Size: enterprise

Fidelity Investments is a privately held company focused on making financial expertise broadly accessible and effective in helping people live the lives they want, with a commitment to a diverse and inclusive workplace.

View company profile →
Compensation
Base salary: $107,000 – $216,000 USD
Bonus: Depending on the position and eligibility requirements, the offer package may also include bonus or other variable compensation.