Software Engineer II

Software Engineer II will own and run production integrations powering the integrations marketplace that connects customer business systems to the HR platform.

Responsibilities

• Design, build, and launch integrations for platforms including Toast, QuickBooks Online, and NetSuite using OAuth 2.0, webhooks, and polling
• Take end-to-end ownership of the integrations marketplace, including the catalog, connect and disconnect flows, connection health, and an integration roadmap prioritized with Product
• Architect reusable AWS serverless patterns using Lambda, EventBridge, SQS, and DynamoDB with Python, TypeScript, and React/Next.js
• Partner with customers on bespoke integrations using ProService APIs
• Work with vendor developer programs for sandbox access, certification, and API changes
• Build monitoring and alerting to detect sync failures before customers notice
• Maintain code quality through testing, code reviews, and CI/CD
• Support production reliability through on-call rotations

Requirements

• Experience with OAuth 2.0 token lifecycle, webhooks, pagination, data mapping, and vendor API versioning
• Fluency in AWS serverless and modern application development using Python, TypeScript, React/Next.js, and Git-based Agile workflows
• Experience shipping production-grade software in a SaaS or product-driven environment
• Track record building third-party integrations that remain reliable
• Strong plus: familiarity with accounting, POS, time and labor, or payroll
• Strong plus: experience with partner certification programs or with AI/LLM APIs for data mapping

Technologies

• OAuth 2.0, webhooks, polling
• AWS (Lambda, EventBridge, SQS, DynamoDB)
• Python, TypeScript, React/Next.js
• CI/CD, ProService APIs
• Toast, QuickBooks Online, NetSuite
• Git
• Hawaii Standard Time (HST / UTC-10)
• AI/LLM APIs

What to Expect

• Ownership role (not a ticket queue)
• Ship at least one production-ready integration per quarter and continue owning it after launch
• Join the on-call rotation to resolve critical issues within hours
• Collaborate directly with customers and partners to shape what gets built next
• Team schedule follows Hawaii Standard Time, so Southern California candidates should expect a workday starting mid-morning and ending early evening

Work Location

• Honolulu, HI (Hybrid): In office Tuesday to Thursday; option for Remote Monday & Friday
• Orange County or Los Angeles, CA (Remote): Available during HST / UTC-10 business hours
• Hawaii-based candidates are preferred; remote candidates must be available during HST business hours
• Remote hours follow HST / UTC-10

Compensation

• $110,000 to $137,000 per year, depending on experience and qualifications

Benefits

• Fully paid healthcare
• 401(k) matching
• Paid parental leave
• Student loan assistance
• Employee assistance programs
• Paid time off

Why ProService

• Hawaii-based PEO combining payroll, HR, and benefits expertise with purpose-built technology and local service
• Backed by Silver Lake and recognized as one of Hawai?i’s Best Places to Work for 20 consecutive years
• Total rewards built around your whole life