Backend Software Engineer: Scale & Impact

Justworks, Inc.; New York (NY); Hybrid; USD 131,000 - 169,000; Full time

Job summary

Justworks, Inc. in New York City is seeking a Software Engineer to own large-scale, complex applications, collaborate with product teams, and mentor junior developers. You will improve performance, reliability, and scalability while advancing testing and deployment practices, with a focus on customer impact.

The role emphasizes curiosity, collaboration, and delivering meaningful results in a data-driven, entrepreneurial environment with a strong Total Rewards program.

Qualifications

• Minimum 4 years of professional development experience.
• Proficiency in server-side languages such as Python, Java, Node.js, or Ruby (Go is a plus).
• Strong SQL skills and database fundamentals.
• Experience with cloud platforms, preferably AWS (basic deployment and monitoring).
• Interest in helping junior developers and contributing to team knowledge sharing.
• Experience collaborating with designers and product managers on feature development.

Responsibilities

• Independently own large-scoped projects from discovery through launch with focus on outcomes and customer impact.
• Collaborate with a cross-functional team to solve customer challenges.
• Improve performance, reliability, and scalability of existing systems.
• Promote engineering excellence through technical leadership, knowledge sharing and mentorship.
• Add capabilities to high-volume, fault-tolerant processing infrastructure.
• Enhance testing, monitoring and continuous deployment infrastructure.
• Keep extremely sensitive data compartmentalized and secure.

Skills

Four years experience

Python

Java

Node.js

Ruby

SQL

AWS

Mentorship

Cross-functional collaboration

Job description

Justworks, Inc. in New York City is seeking a Software Engineer to own large-scale, complex applications, collaborate with product teams, and mentor junior developers. You will improve performance, reliability, and scalability while advancing testing and deployment practices, with a focus on customer impact.

The role emphasizes curiosity, collaboration, and delivering meaningful results in a data-driven, entrepreneurial environment with a strong Total Rewards program.