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Senior Software Engineer

Location
New York, NY
Work type
Full Time · On-site
Posted
2026-08-30

Job description

As a Senior Software Engineer for Workforce Payments, you will work with the team that builds the core computation layer powering Justworks' payroll, money movement, and tax calculation products, ensuring our customers can confidently and accurately pay their workforce.

This team is mission-critical, operating at the heart of our platform's financial accuracy and compliance. You will lead technical decision-making and be expected to take initiative in identifying projects that will enable us to meet key business goals, such as scaling our tax and money movement capabilities, improving the integrity of our financial ledger, and developing robust platform interfaces for payroll data. We're looking for people who have a passion for solving real-world, complex financial problems and will thrive building a growing team focused on reliability and precision.
Independently own larged-scoped projects from initial discovery through launch with a focus on outcomes and customer impact
Collaborate with a cross functional team to find solutions to customer challenges
Improve the performance, reliability, and scalability of our existing systems
Promote engineering excellence through technical leadership, knowledge-sharing and mentorship
Add capabilities to our high-volume, fault-tolerant processing infrastructure
Enhance our testing, monitoring and continuous deployment infrastructure
Keep extremely sensitive data compartmentalized and secure
How You Will Do Your Work

As a Senior Software Engineer, how results are achieved is paramount for your success and ultimately result in our success as an organization. In this role, your foundational knowledge, skills, abilities and personal attributes are anchored in the following competencies:

Good judgment - the exercise of critical thinking, analyzing and assessing problems and implications, identifying patterns, making connections of underlying issues, understanding risks and developing mitigation strategies, and taking ownership of the outcome.

Resourcefulness - taking a can-do approach, even in the face of obstacles and constraints by assessing what's in front of you and effectively and efficiently optimizing what you have, whether it's working on something new or thinking about how to do something better.

Teamwork and communication - putting our collective best together through documentation, collaboration, relationship-building, listening, empathy, recruiting, and evangelism.Influence and leadership - fostering a community of knowledge-sharing, collaboration, mentorship, and forward-thinking.

Skills and knowledge - the capacity to actively learn and apply specific domain knowledge, know-how, and best practices to continually enhance and improve.

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