Senior Software Engineer — Build Scalable Benefits Systems

Justworks; New York (NY); On-site; USD 188,000 - 242,000; Full time

Job summary

Justworks is seeking a Senior Software Engineer to own large‑scale projects in a NYC office. You will collaborate with Product, Design, Operations, and external providers to deliver reliable, scalable solutions in a regulated environment.

You will mentor engineers and drive engineering excellence. The role emphasizes solving complex problems, partnering with cross‑functional teams, and building products that impact customers and the business.

Qualifications

• Minimum of 5 years of professional hands‑on experience.
• Mastery of modern server side languages; Go is a plus.
• Proficiency with SQL.
• Proficiency with cloud infrastructure management, preferably AWS.
• Experience mentoring other engineers.
• Experience working closely with designers and product managers.

Responsibilities

• Own large‑scoped projects from discovery through launch with outcomes and customer impact.
• Collaborate with cross‑functional teams to solve customer challenges.
• Improve performance, reliability, and scalability of existing systems.
• Lead engineering initiatives and mentorship to teammates.
• Enhance testing, monitoring, and continuous deployment pipelines.
• Keep sensitive data secure and properly compartmentalized.

Skills

Go

SQL

AWS / Cloud

Mentoring engineers

Cross-functional collaboration

Job description

Justworks is seeking a Senior Software Engineer to own large‑scale projects in a NYC office. You will collaborate with Product, Design, Operations, and external providers to deliver reliable, scalable solutions in a regulated environment.

You will mentor engineers and drive engineering excellence. The role emphasizes solving complex problems, partnering with cross‑functional teams, and building products that impact customers and the business.