Fidelity Investments
Merrimack or Westlake

Principal Full Stack Engineer

OnsitePosted May 6, 2026

Job details

Location
Merrimack or Westlake
Work type
Onsite
Posted
May 6, 2026
Apply on
fmr.wd1.myworkdayjobs.com

About this role

8+ years in software design, development, and performance testing; strong Java, Spring, Python, Linux; experience with performance harnesses (e.g., JMeter); mentoring capability; trading/brokerage knowledge a plus.

What you'll do at Fidelity Investments:

  • leading projects
  • mentoring teammates
  • improving performance

Apply to this Principal Full Stack Engineer role at Fidelity Investments with a tailored resume on ApplyBolt.

About Fidelity Investments

Fidelity Investments
Merrimack or Westlake