Senior Software Engineer, Payroll & Tax Technology

Justworks helps businesses manage HR issues, payroll, and benefits, enabling them to focus on running their operations.
$167,500 - $205,000
Backend
Senior Software Engineer
Hybrid
5+ years of experience
Enterprise SaaS · Finance

Description For Senior Software Engineer, Payroll & Tax Technology

Justworks, a company dedicated to simplifying business operations through HR solutions, is seeking a Senior Software Engineer for their Payroll & Tax Technology team. This role focuses on building critical backend services that power payroll and taxation products. The position requires expertise in backend development, with emphasis on creating scalable, accurate systems for payroll processing.

The ideal candidate will have 5+ years of experience in software engineering, strong knowledge of backend technologies like Ruby/Go, and deep understanding of database systems. They'll work on designing APIs, improving system performance, and developing tax calculation services while collaborating with cross-functional teams.

Justworks offers a competitive salary range of $167,500-$205,000, along with comprehensive benefits including medical, dental, and vision insurance. The company values diversity and maintains a welcoming, casual environment with opportunities for professional growth through company retreats and wellness programs.

The role is hybrid-based in New York City, where you'll join a team committed to solving complex payroll compliance challenges. You'll be expected to demonstrate strong technical leadership, mentor others, and contribute to building resilient systems while maintaining a deep understanding of payroll taxation.

Working at Justworks means embracing their COGIS values: Camaraderie, Openness, Grit, Integrity, and Simplicity. The company is dedicated to maintaining a diverse and inclusive workplace where different perspectives are celebrated and respected.

Last updated 7 minutes ago

Responsibilities For Senior Software Engineer, Payroll & Tax Technology

  • Design, implement and maintain services and APIs that power tax and withholding calculations and payroll
  • Scale and improve performance of mission-critical systems
  • Take an active role in project planning and requirements translation
  • Develop deep subject matter expertise in payroll taxation
  • Work collaboratively with engineers, product managers, and stakeholders
  • Create better user experiences for internal stakeholders
  • Promote engineering excellence through technical leadership and mentorship
  • Enhance testing and monitoring infrastructure

Requirements For Senior Software Engineer, Payroll & Tax Technology

Ruby
JavaScript
Redis
MySQL
PostgreSQL
React
  • Minimum of 5 years real-world experience as a software engineer on production code
  • Advanced knowledge of server-side languages (Ruby, Python, Go, or Node)
  • Fluency in SQL and experience in relational database schema design
  • Understanding of building resilient and maintainable systems at scale
  • Ability to identify tasks and establish strategic deadlines
  • Strong collaboration skills in diverse environments
  • Ability to distill simple solutions from complicated problems

Benefits For Senior Software Engineer, Payroll & Tax Technology

Medical Insurance
Dental Insurance
Vision Insurance
  • Welcoming and casual environment
  • Company retreats
  • Wellness program offerings
  • Comprehensive total rewards package

Interested in this job?

Jobs Related To Justworks Senior Software Engineer, Payroll & Tax Technology

Senior Software Engineer, Performance Platform

Senior Software Engineer position at DoorDash focusing on performance optimization, platform development, and technical leadership in the Performance Platform team.

Senior Software Engineer

Senior Software Engineer position at Blacklane, developing backend services for global chauffeur platform using Ruby, Go, and modern cloud technologies.

Senior Software Engineer

Senior Software Engineer role at Kiavi, building complex loan origination platforms with modern tech stack, offering competitive pay and comprehensive benefits.

Software Engineer - Core Services

Senior Software Engineer position at Airspace, developing Golang microservices for time-critical logistics using AI and machine learning.

Senior QA Engineer - Capital Markets

Senior QA Engineer position at Capco Poland, focusing on capital markets systems testing with 5+ years experience required, offering remote work with occasional travel.