Justworks
Justworks provides a PEO and SaaS platform for small and midsize businesses to run payroll, offer benefits, and manage HR and compliance. Products include access to health insurance and 401(k), payroll and contractor payments, onboarding tools, and reporting, sold via subscriptions and PEO service fees. Founded in 2012 and headquartered in New York City, the company is privately held and serves employers across the United States.
Open Positions at Justworks
17 open positions
Build and own production-grade AI tools, agentic workflows, and retrieval systems that transform how Justworks’ People team operates. This senior embedded engineering role combines hands-on AI development, data reliability, responsible AI, and close partnership with People leadership.
Join Justworks’ Toronto expenses pod as an Associate Software Engineer building expense submission, approval, and reimbursement capabilities for business customers. You’ll contribute to the migration from Ruby to Go, ship production code alongside senior engineers, and help develop AI-powered features.
Build and scale the core payroll, money movement, tax, and financial-processing systems powering Justworks’ Workforce Payments platform. This senior role combines hands-on backend engineering with technical leadership, reliability improvements, and mentorship.
Senior Software Engineer building an AI agent platform that automates complex operational workflows through LLM-powered reasoning, integrations, and knowledge infrastructure. The role combines backend architecture, applied AI product development, and technical ownership on a small autonomous team.
Build production AI-agent systems that automate complex operational workflows at scale. This senior role combines LLM-powered agent design, backend architecture, integrations, knowledge infrastructure, and trust and safety.
Senior Software Engineer building an AI agent platform that enables operational workflows through LLM-powered reasoning, integrations, and knowledge infrastructure. This foundational role combines backend systems engineering with practical AI product development in a small, autonomous team.
Senior Software Engineer building AI-native agent systems that automate complex operational workflows at scale. The role combines LLM-powered agent design, backend architecture, integrations, knowledge infrastructure, and trust and safety.
Join a small, autonomous team building AI agents that transform operational workflows through LLM-powered reasoning, knowledge infrastructure, and backend integrations. This senior role offers broad ownership across an emerging agent platform and direct collaboration with Operations.
Build reliable, scalable benefits products that simplify complex processes for employers and their employees. You’ll own large software projects, strengthen high-volume infrastructure, and provide technical leadership in a collaborative, highly regulated environment.
Build and optimize custom Salesforce solutions using Apex, Lightning Web Components, integrations, and automation tools. This role owns projects from conception through delivery while partnering with cross-functional teams in a collaborative, hybrid New York City environment.
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