Senior Performance Engineer — Flexible Part-Time & Mentorship

Egreenservices; Downey (CA); On-site; USD 148,000 - 200,000; Full time

Benefits offered by this job

Mentorship program

Clear ladder and growth"

Benefits

Job summary

Bristol Myers Squibb is seeking a senior Performance Engineer in Downey, CA, to own latency budgets, mentor peers, and translate fuzzy product wishes into Rust services. The role emphasizes infrastructure as code and cross-functional collaboration to deliver reliable, scalable software.

You will work with PHP, Rust, and C# components, drive a results-oriented culture, and contribute to a modern, human-first technology team with mentorship and clear growth ladders.

Qualifications

• Senior Performance Engineer with a track record delivering results.
• Strong time-management skills and bias toward action.
• Ability to mentor senior hires and unblock teammates.
• Experience translating product wishes into shippable software.

Responsibilities

• Mentor senior hires on how to wire PHP and Rust components.
• Spot and fix anti-patterns before they spread.
• Own delegation subsystem and its outcomes.
• Lead Stress Management migration for the legacy stack.
• Coordinate C# integration to ensure events aren’t dropped at midnight.
• Collaborate with cross-functional partners on part-time projects.
• Configure and manage infrastructure as code across environments.
• Translate fuzzy product wishes into Rust services.

Skills

Latency management

C#

Rust

PHP

Time management

Tools

Infrastructure as Code

Job description

Bristol Myers Squibb is seeking a senior Performance Engineer in Downey, CA, to own latency budgets, mentor peers, and translate fuzzy product wishes into Rust services. The role emphasizes infrastructure as code and cross-functional collaboration to deliver reliable, scalable software.

You will work with PHP, Rust, and C# components, drive a results-oriented culture, and contribute to a modern, human-first technology team with mentorship and clear growth ladders.