Staff Software Engineer, 401(k) Platform

Gusto; Northern (KY); Hybrid; USD 163,000 - 247,000; Full time

Benefits offered by this job

Competitive base pay

Equity (RSUs)

Total Rewards philosophy

Job summary

Gusto is hiring a senior software engineer to own the systems that enable thousands of businesses to offer and manage 401(k)s. This hands‑on role includes owning full‑stack services and APIs end‑to‑end, shipping production code, and evolving the architecture to support future needs.

You will collaborate with product, compliance, and operations to turn complex financial requirements into reliable software and impact people’s lives through scalable solutions.

Qualifications

• 8+ years of software engineering experience building and shipping production products or platforms.
• Strong experience with services and APIs.
• Experience with GraphQL.

Responsibilities

• Design, build, maintain, and ship services and features that allow companies to offer and manage 401(k)s to their employees.
• Identifying opportunities to extend and modify the architecture of existing systems to support new capabilities
• Identify, codify, and evangelize engineering best practices
• Partner with product, design, and operations to scope work and deliver production‑ready solutions.
• Debug production issues and improve reliability, observability, and operational tooling.
• Collaborate with other engineering teams to integrate with shared systems and platforms.
• Write clear, reliable, well‑tested code that ships quickly and scales well.

Skills

Services & APIs

GraphQL

React frontend

Ruby on Rails

Production support

Cross-functional collaboration

Tools

Sidekiq

SQS

NServiceBus

Job description

Gusto is hiring a senior software engineer to own the systems that enable thousands of businesses to offer and manage 401(k)s. This hands‑on role includes owning full‑stack services and APIs end‑to‑end, shipping production code, and evolving the architecture to support future needs.

You will collaborate with product, compliance, and operations to turn complex financial requirements into reliable software and impact people’s lives through scalable solutions.