Senior Software Engineer, Solutions Engineering (New York)

Justworks combines HR software with human support to run payroll, benefits and compliance for small businesses. We’re helping businesses get off the ground by enabling them to focus on running their business. We solve HR issues.

Key responsibilities

• Independently lead technical discovery and solutioning for priority partner integrations, including partner API research, data mapping
• Build and maintain high-quality developer ecosystem capabilities: portal experiences, documentation tooling, SDKs, sample apps, quickstarts
• Create reference implementations and reusable patterns for common integration needs such as OAuth, webhooks, retries, idempotency, error handling
• Run technical working sessions with partners, translate complex requirements into clear decisions and action plans
• Work closely with Public API Engineering and Product to identify developer friction, validate proposed API designs with realistic use cases
• Own a multi-surface developer journey or a portfolio of partner integrations from design through delivery, operational readiness, and iteration

Requirements

• 5+ years of professional software engineering experience building and operating production systems
• Strong experience consuming, integrating with, or building HTTP APIs; practical understanding of OAuth 2.0/OIDC, API authentication, tokens
• Experience with backend and/or full-stack web development in one or more modern languages such as TypeScript, Go, Ruby, or Python
• Experience designing reliable integration behavior: retries, idempotency, asynchronous workflows, data contracts, monitoring, and incident
• Clear technical writing and the ability to explain architecture and tradeoffs to engineers, product partners, and external developers
• Evidence of delivering customer-facing or developer-facing experiences with a high bar for usability and documentation

Location and schedule

• Onsite in New York, New York

Salary and benefits

US base salary $188,000 to $242,000 a year. Justworks offers benefits, wellness programmes and company retreats.

How to apply

Apply on the company's own site.