Justworks
The Senior Software Engineer at Justworks leads technical discovery and solutioning for partner integrations, building high-quality developer ecosystem capabilities like SDKs and documentation. This role involves collaborating with external partners and internal teams to design reliable integration behaviors and improve developer self-service. The position requires strong API fundamentals and a focus on creating practical, supportable solutions for complex developer workflows.
Headquarters
New York, New York, United States
Company Size
1001-5000 employees
Founded
2012
Justworks is a payroll, benefits, and HR platform that acts as a PEO (professional employer organization) for small and mid-sized businesses. It provides payroll processing, access to health insurance and retirement plans, time tracking and onboarding tools, and compliance and HR advisory support. Companies use Justworks to simplify HR administration, remain compliant with employment laws, and offer competitive benefits without building an in-house HR team. Founded in 2012, it serves U.S. employers as an outsourced HR/payroll partner.
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for Justworks.
Nov 5, 2025