Lead/Principal Performance Engineer, Salesforce

• 10+ years of experience as a software engineer or developer building platforms and applications at massive scale, including hands-on automation development
• Expert-level proficiency in Java, including Java Virtual Machine (JVM) performance tuning and Garbage Collection (GC) mechanisms, along with experience in Python, C, or Ruby on Rails
• Deep understanding of key performance metrics across throughput, latency, memory, central processing unit (CPU), disk, and network — with the ability to debug and resolve bottlenecks across all of them
• Strong communicator with a proven track record in Application Programming Interface (API) design, concurrency, resource efficiency, and the ability to present technical findings clearly to both engineers and executives

Desirable

• The Lead/Principal Performance Engineer is a high-level technical leader and you are a performance and scale subject matter expert who drives innovation, designs high-scale automation frameworks, and ensures product reliability
• You prevent bottlenecks before they happen through architectural influence, database tuning, and deep root cause analysis
• You bring a multiplier effect to every team you join — elevating engineers around you and owning the most complex, systemic performance challenges from initial design through production
• Lead performance efforts across multi-team projects by designing traffic models, establishing scale goals, and implementing sophisticated automation and monitoring strategies
• Serve as the expert in database tuning and system optimization, driving design meetings by questioning implementation choices and proposing high-performance alternatives
• Rapidly build proofs of concept and lead research spikes to test ideas and address critical scale issues through rapid prototyping and fast iteration
• Coach and mentor engineers at all levels, lead code and design reviews, and partner with product managers to ensure performance is a core part of the definition of done