Staff Software Engineer, Salesforce Developer

Jobtailor; California (MO); On-site; USD 140,000 - 190,000; Full time

Job summary

Gusto is seeking an experienced Application Engineer to design, build, and maintain scalable Salesforce Apex solutions and leverage AI coding assistants across the development lifecycle. You will oversee enhancements to deployed features, adhere to architecture standards, and deploy via sf CLI.

The role involves real-time, event-driven, or high-throughput production systems, with opportunities to contribute beyond Salesforce.

Qualifications

• 6+ years of professional software engineering experience, including 4+ years developing on the Salesforce platform in Apex.
• Salesforce Platform Developer I and/or Application Architect certification(s).
• Strong understanding of Salesforce platform architecture.
• Experience using the sf CLI.
• Salesforce change/release management best practices.
• Fluent, daily use of AI coding assistants across the development lifecycle.
• Strong judgment on when and how to apply AI coding assistants.
• Ability to write well-structured, maintainable, well-documented code.
• Proven track record building, testing, and debugging reliable production systems at scale.
• Experience writing codebases outside of Salesforce; Ruby on Rails experience a plus.
• Experience in regulated industries preferred.
• Ability to translate ambiguous requirements into business value and advocate for scalable technical solutions.
• Two-day travel to a Gusto office for onboarding is required.

Responsibilities

• Design, build, and maintain scalable Apex solutions on the Salesforce platform supporting Sales and CX teams
• Use AI coding assistants 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
• Use 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 needed
• Join Gusto’s Application Engineering team supporting platforms for Sales and CX interactions

Skills

Salesforce Apex

Platform Architecture

AI Coding Proficiency

Code Documentation

Production Debugging

Event-Driven Systems

High-Throughput Systems

Judgment on AI Use

Sof rware QA

AI Application Judgment

Cloud/DevOps Awareness

Education

Salesforce Platform Developer I Certification

Application Architect Certification

Tools

SF CLI

Ruby on Rails

Job description

• Design, build, and maintain scalable Apex solutions on the Salesforce platform supporting Sales and CX teams


• Use AI coding assistants 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


• Use 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 needed


• Join Gusto’s Application Engineering team supporting platforms for Sales and CX interactions

Requirements

• 6+ years of professional software engineering experience, including 4+ years developing on the Salesforce platform in Apex


• Salesforce Platform Developer I and/or Application Architect certification(s)


• Strong understanding of Salesforce platform architecture


• Experience using the sf CLI


• Salesforce change/release management best practices


• Fluent, daily use of AI coding assistants (e.g., Claude Code or equivalent) across the development lifecycle


• Strong judgment on when and how to apply AI coding assistants


• Ability to write well-structured, maintainable, well-documented code


• Proven track record building, testing, and debugging reliable production systems at scale


• Experience writing codebases outside of Salesforce; Ruby on Rails experience a plus


• Experience in regulated industries preferred


• Ability to translate ambiguous requirements into business value and advocate for scalable technical solutions


• Two-day travel to a Gusto office for onboarding is required

Demonstrates expertise in designing and maintaining scalable Apex solutions on the Salesforce platform, with a strong focus on applying best practices in Salesforce architecture and change management. Proficient in utilizing AI coding assistants to enhance the development lifecycle and ensure the delivery of reliable production systems.

Highest-signal resume keywords

• Salesforce Apex Development


• Salesforce Platform Developer I Certification


• AI Coding Assistant Proficiency


• Salesforce Change/Release Management


• Production System Debugging

ATS Optimization Keywords

Hard Skills

• Salesforce Apex


• Salesforce Platform Architecture


• Sf CLI


• Code Documentation


• Production System Testing


• Event-Driven Systems


• High-Throughput Systems


• Ruby on Rails

Soft Skills

• Judgment on AI Application


• Requirement Translation

Certifications & Qualifications

• Salesforce Platform Developer I


• Application Architect Certification

Industry Keywords

• Regulated Industries