Senior Salesforce Apex Developer — AI-Driven & Scalable

Gusto; Denver (CO); Hybrid; USD 163,000 - 204,000; Full time

Job summary

Gusto is seeking a senior software engineer to design, build, and maintain scalable Apex solutions on the Salesforce platform for our Sales and CX teams. You will use AI coding assistants throughout the lifecycle to write, review, debug, and document code, while driving improvements and ensuring robust production systems.

You have 6+ years in software engineering, with 4+ years on Salesforce Apex, and hold Salesforce certifications.

Qualifications

• 6+ years of professional software engineering experience, 4+ years developing on the Salesforce platform in Apex.
• Salesforce Platform Developer I and/or Application Architect certifications.
• Strong understanding of Salesforce platform architecture, with experience using the sf CLI and Salesforce change/release management best practices.
• Fluent, daily use of AI coding assistants across the development lifecycle — writing, reviewing, debugging, and documenting code.
• Comfortable writing well-structured, maintainable, well-documented code, including in codebases outside of Salesforce (Ruby on Rails experience a plus).
• Proven track record building, testing, and debugging reliable production systems at scale.

Responsibilities

• Design, build, and maintain scalable Apex solutions on the Salesforce platform that support our Sales and CX teams
• Use AI coding assistants (e.g., Claude Code or equivalent) throughout the development lifecycle to write, review, debug, and document code
• Oversee ongoing improvements to deployed features and measure their impact
• Apply Salesforce platform architecture and change/release management best practices, using sf cli for deployments
• Write well-structured, maintainable, and well-documented code
• Build, test, and debug reliable production systems at scale, ideally real-time, event-driven, or high-throughput
• Contribute to codebases beyond Salesforce when the work calls for it

Skills

Apex development

Salesforce platform

AI coding assistants

sf CLI

Code maintainability

Production systems

Education

Salesforce Platform Developer I / App Architect certifications

Tools

sf CLI

Salesforce change/release management

Job description

Gusto is seeking a senior software engineer to design, build, and maintain scalable Apex solutions on the Salesforce platform for our Sales and CX teams. You will use AI coding assistants throughout the lifecycle to write, review, debug, and document code, while driving improvements and ensuring robust production systems.

You have 6+ years in software engineering, with 4+ years on Salesforce Apex, and hold Salesforce certifications.