Hybrid Performance Engineer, SMTS

at Salesforce

• Job title: Performance Engineer, SMTS
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: $157,600 - $216,700 per year
• Degree requirement: Bachelor's Degree
• Tech skills: Cloud, Distributed Systems, Java, JavaScript, JMeter, Microservices, Node.js, NoSQL, Python, React, SQL
• Location requirements: Hybrid, Bellevue, United States

About the role

• Performance Engineer at Salesforce enhancing Marketing Cloud experiences. Collaborating on performance metrics and optimizing frontend/backend systems for scalability.

Responsibilities

• Ensure high-performing and scalable Marketing experiences across both frontend and backend systems as a Performance Engineer for Marketing Cloud.
• Collaborate with engineering teams on performance test plan design and execution, implementing meaningful metrics, and building dashboards reflecting real-world customer usage.
• Develop and maintain automated benchmarks and performance regression reports to track improvements and identify issues across releases.
• Troubleshoot performance bottlenecks in frontend (browser/UI), backend (APIs/services), and data layers, providing actionable insights and partnering with developers for resolution.
• Conduct deep-dive diagnostics using various tools and profiling techniques to analyze system behavior, latency, and throughput.
• Contribute to the development of internal performance tools, CI/CD integrations, and frameworks, including leveraging AI agents for enhanced automation, detection, and triage.
• Document performance defects clearly when regressions occur and work with cross-functional teams to resolve them.
• Promote the adoption of performance best practices by integrating performance considerations early in the development lifecycle.

Requirements

• 6+ years of experience in performance engineering, systems optimization, or backend/frontend diagnostics.
• Strong understanding of React, JavaScript, microservices, and distributed systems in cloud environments.
• Proficiency in performance fundamentals: Frontend: Browser rendering, JavaScript optimization, and network analysis.
• Backend: SQL performance analysis, query tuning, indexing, and caching strategies.
• Hands-on experience with tools such as JMeter, Gatling, Chrome DevTools, YourKit, and Java Flight Recorder.
• Scripting expertise in Python, Bash, or Node.js, with the ability to create automation tools and pipelines.
• Familiarity with AI-driven tools or agents for performance monitoring, log analysis, or auto-diagnosis.
• Ability to interpret performance data, pinpoint root causes, and clearly communicate findings.
• Knowledge of data concepts related to relational databases and NoSQL stores.

Benefits

• time off programs
• medical
• dental
• vision
• mental health support
• paid parental leave
• life and disability insurance
• 401(k)
• employee stock purchasing program