Senior Staff Software Engineer, Money Group

About the role

You will own the technical vision and execution for the Money Group, shaping the architecture of systems that power consumer and business financial health including financial accounts, money movement, lending, and expense controls. You will guide architectural direction across a cross-functional group of 15-20 engineers, ensuring solutions scale reliably as Gusto grows. You will partner with product leaders to prototype new product lines, enabling data-backed decisions that unblock critical product initiatives. You will serve as a hands-on technical lead, balancing deep implementation work with strategic planning to deliver complex financial infrastructure. You will mentor engineers around you, elevating the entire team through code reviews, design discussions, and technical coaching. You will act as the go-to person for system design and trade-offs, filling whatever role the group needs to hit ambitious goals. If you are motivated by building the infrastructure that powers the modern economy, this role offers direct impact on millions of small businesses and workers.

Key facts

What you'll do

Drive the technical strategy for the Money Group, translating product ambitions into scalable, reliable architectures.

Lead the design and implementation of core financial systems such as financial accounts, money movement, and lending services.

Mentor 15-2 engineers by providing technical leadership in code reviews, system design sessions, and career development.

Extract services from our monolith to improve scalability, resilience, and team autonomy across the codebase.

Evaluate and integrate with external partners, ensuring robust, secure, and performant connections to financial networks.

Prototype new product lines quickly to validate ideas and unblock product teams making high-stakes decisions.

Define and enforce architectural guardrails that enable fast, safe, and consistent delivery across multiple pods.

Collaborate closely with product managers, data teams, and designers to align technical solutions with user and business needs.

Own end-to-end delivery of critical features, balancing speed with reliability and operational excellence.

Champion engineering best practices, including security, observability, testing, and maintainable code.

Lead cross-team initiatives to modernize infrastructure and reduce technical debt in high-impact areas.

Act as a bridge between engineering and stakeholders to communicate trade-offs, risks, and progress effectively.

Contribute to hiring and onboarding efforts by interviewing candidates and building a strong, inclusive engineering culture.

Drive continuous improvement by introducing tools, processes, and automation that enhance team productivity.

Requirements

8+ years of software engineering experience with a strong track record of delivering production-grade systems.

Demonstrated expertise in designing and operating scalable, high-availability distributed systems.

Proficiency in one or more backend languages such as Java, Python, Go, or Node.js, with deep understanding of runtime behavior.

Experience working with relational databases, caching layers, and message queues in production environments.

Strong knowledge of cloud platforms, infrastructure as code, and observability tools used to run critical services.

History of collaborating with cross-functional teams in an agile product environment.

Ability to balance hands-on coding with strategic planning and prioritization in a fast-paced setting.

Comfortable making technical trade-offs with incomplete information while owning the outcomes of those decisions.

U.S. authorization to work is required, and current location must be within the approved U.S. locations listed for this role.

Nice to have

Experience in fintech, financial services, or regulated environments where security and compliance are critical.

Background in payments, lending, or money movement systems and understanding of related risk concepts.

Familiarity with domain-driven design, event-driven architectures, and modern API design patterns.

Practical notes

This is a full-time position based in one of the following locations: Denver, CO; San Francisco, CA; New York, NY. U.S. authorization to work is required, and current location must be within the approved U.S. locations listed for this role. No specific travel, visa, or deadline details were provided in the source material.