Senior Staff Software Engineer, Time Engineering

Gusto; City Of London; On-site; GBP 142,134 - 191,993; Full time

Job summary

A leading software company in London seeks a Senior Staff Software Engineer to join their Time engineering team. You will design and maintain high-performance APIs for time tracking and payroll integration. The ideal candidate has over 12 years of software engineering experience, with expertise in backend development and strong API design skills. This role offers competitive compensation and the chance to mentor junior engineers.

Qualifications

• 12+ years of experience in software engineering with a focus on backend development.
• Strong understanding of API design principles.
• Proficiency in a modern programming language.

Responsibilities

• Design, develop, and maintain RESTful APIs.
• Collaborate on API specifications.
• Lead the implementation of new features.

Skills

Backend development

API design

Relational databases

Cloud platforms

Communication skills

Tools

Java

Python

Go

Ruby on Rails

Job description

Senior Staff Software Engineer, Time Engineering

Gusto 08 August 2025

Join Gusto as a Senior Staff Software Engineer (Backend) on the Time engineering team and help shape the future of time management for businesses. You'll design, build, and scale high-performance APIs that power time tracking and payroll integrations, impacting millions of users.

Responsibilities:
* Design, develop, and maintain RESTful APIs for time tracking, scheduling, and payroll integration.
* Collaborate with product managers and designers to define API specifications.
* Lead the technical design and implementation of new features.
* Mentor and guide junior engineers.
* Write clean, well-documented, and testable code.
* Participate in code reviews.
* Work with large-scale data stores and optimize for performance and reliability.
* Troubleshoot and resolve production issues.

Requirements:
* 12+ years of experience in software engineering, with a recent focus on backend development.
* 8+ years of experience building and maintaining backend systems.
* 3+ years of experience designing, developing, and deploying RESTful APIs.
* Strong understanding of API design principles.
* Experience with relational databases and data modeling.
* Proficiency in at least one modern programming language (e.g., Java, Python, Go).
* Experience with cloud platforms (e.g., AWS, GCP, Azure).
* Strong written communication and collaboration skills.

Nice to Have:
* Experience with Ruby on Rails.
* Experience with B2B, Payroll and HRIS.
* Prior experience in a technical leadership role.

Compensation:
Our cash compensation amount for this role is targeted at CAD 200,000/yr to CAD 248,000/yr in Canada, $191,000/yr to $258,000/yr in most US remote locations, and $225,000/yr to $279,000/yr for San Francisco, Seattle & New York. Stock equity is additional. Final offer amounts are determined by multiple factors including candidate experience and expertise and may vary from the amounts listed above.

How to Apply

Interested in this position? Please submit your resume and cover letter through the application portal.

Mintel International 11 Pilgrim St, London EC4V 6RN, UK

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