Remote Senior Staff Software Engineer - Open-Source Prototyping

Applying; Northern (KY); Remote; USD 166,000 - 260,000; Full time

Benefits offered by this job

Performance bonus

Medical, dental, vision

Retirement contributions

Wellness days

Holidays

Home office stipend

Well-being stipend

Parental leave

Referral bonus

Other benefits

Job summary

Mozilla Corporation is seeking engineers to prototype engine features enabling reliable programmatic interaction with web content. You will profile overhead and pursue data-driven improvements, using AI tools to speed coding while validating results through debugging, tests, and measurement.

The role emphasizes investigating unfamiliar code, grounding performance claims in reproducible evidence, and exploring how agent harnesses affect information flow and tasks.

Qualifications

• Ability to investigate unfamiliar code and form precise hypotheses.
• Experience with profiling, tracing, and reproducible testing.
• Curiosity about AI agents and debugging with tooling.

Responsibilities

• Prototype engine capabilities for interacting with web content.
• Profile overhead of new capabilities and measure improvements.
• Use AI tools to accelerate coding and verify via tests and measurements.

Skills

Code analysis

Profiling

AI tooling

Job description

Mozilla Corporation is seeking engineers to prototype engine features enabling reliable programmatic interaction with web content. You will profile overhead and pursue data-driven improvements, using AI tools to speed coding while validating results through debugging, tests, and measurement.

The role emphasizes investigating unfamiliar code, grounding performance claims in reproducible evidence, and exploring how agent harnesses affect information flow and tasks.