Skip to main contentA logo with &quat;the muse&quat; in dark blue text.

Senior Staff Software Engineer (Backend) - Sync

AT BILL
BILL

Senior Staff Software Engineer (Backend) - Sync

Gunnison, CO

Innovate with purpose

At BILL, we believe in empowering the businesses that drive our economy. By replacing outdated financial processes with innovative tools, we help businesses-from startups to established brands-make smarter decisions and gain control of their operations. And we don't stop there: we're creating the future of financial automation so businesses can spend more time on what matters.

Working here means you become part of a vision-driven team that's ready to tackle challenges and build cutting-edge solutions. We value purpose, drive, and curiosity-and we thrive in a fast-paced, ever-changing environment. Whether in one of our offices in San Jose, CA, Draper, UT, or working remotely, BILLders collaborate to deliver real impact for businesses that need more time in their busy weeks.

Want more jobs like this?

Get Software Engineering jobs in Gunnison, CO delivered to your inbox every week.

By signing up, you agree to our Terms of Service & Privacy Policy.


At BILL, we listen, learn, and lead-fostering collaboration and a drive for continuous growth. We're committed to building a diverse and inclusive workplace that values each person's unique skills and experiences. Even if you don't meet every requirement, we'd love to hear from you-you might be just what we're looking for, whether in this role or another.

✨ Let's give businesses more time for what matters.

Make your impact within a rapidly growing Fintech Company

The Sync team is responsible for building, maintaining, enhancing, and scaling two-way integration solutions between the BILL payment platform/network and major accounting software products used by its customers. Used by nearly 90% of our paying Small Business customers, sync is a core feature that allows our customers to keep their bills, payments and other data up to date in their accounting systems.

As a Senior Staff Engineer on the sync team, you will be responsible for:
  • Designing new sync integrations
  • Executing complex data migrations
  • Working cross functionally to integrate sync products with diverse systems
  • Improving system reliability and observability
  • Promoting a culture of quality
  • Mentoring junior engineers
We'd love to chat if you have:
  • Bachelor's degree in Computer Science, Engineering, or a related field
  • Minimum 12 years of relevant experience in software engineering, including building enterprise platforms
  • Expertise in building and maintaining large-scale, high-volume, high-availability, low-latency systems
  • Expert-level knowledge of Java, SQL and NoSQL databases along with full-stack development
  • Ability to mentor and guide other engineers in best practices and advanced technical concepts
  • Proficiency in version control, code reviews, testing, and deployment automation
  • Proficiency with monitoring, alerting, and reporting tools
  • Cross-team collaboration with extreme ownership mindset
  • Exceptional problem solving, critical thinking, communication skills, and a bias towards action
  • Customer empathy
  • Strong understanding of engineering, product, and design interoperation and communication
Nice to Have:
  • Expertise with using AWS services to build microservices
  • Familiar with frontend development with React and Angular
  • Experience with tools like Splunk, Datadog, Mixpanel, LaunchDarkly etc.
  • Accounting domain knowledge (knows the basics of double-entry accounting, General Ledger, AP/AR)
  • Knowledge and experience in one of - accounting OR ERP OR FinTech (back-end, e.g., Payments)
  • Familiarity with using Generative AI in production applications with RAG
Our ranges for each role and job level are based on a variety of factors including candidate experience, expertise, and geographic location and may vary from the amounts listed below. The role is also eligible for a competitive benefits package that includes: medical, dental, vision, life and disability insurance, 401(k) retirement plan, flexible spending & health savings account, paid holidays, paid time off, and other company benefits. The estimated salary ranges noted below roles in the specific geographic zones

Zone 1- San Francisco Bay Area CA (includes HQ), New York City, Seattle

$197,200-$246,500 USD

Zone 2- CA (Non San Francisco Bay Area), Austin TX, Massachusetts

$177,500-$221,900 USD

Zone 3 -Utah (includes Utah office), Houston TX (office), Florida, North Carolina

$167,600-$209,500 USD

What's in it for you?

Redefining how businesses automate their work is a fast-paced, exciting, and fun environment. But we also have benefits and perks to ensure the magic isn't only experienced by our customers, but by our employees as well.

Here is a preview of some of the amazing benefits here at BILL:
  • 100% paid employee health, dental, and vision plans (choose HMO, PPO, or HDHP)
  • HSA & FSA accounts
  • Life Insurance, Long & Short-term disability coverage
  • Employee Assistance Program (EAP)
  • 11+ Observed holidays and wellness days and flexible time off
  • Employee Stock Purchase Program with employee discounts
  • Wellness & Fitness initiatives
  • Employee recognition and referral programs
  • And much more
Don't believe us? Check out our culture, benefits, and teams on our career site, LinkedIn Life, or YouTube pages.

BILL is an Equal Opportunity Employer that values diversity and inclusion. We believe our best ideas come from the unique stories, perspectives, and experiences of our team members. We welcome people of all backgrounds, abilities, and identities to bring their authentic selves and contribute to our culture.

We are committed to a transparent, inclusive hiring process that reflects our values. If you need accommodations at any stage, please contact interviewaccommodations@hq.bill.com.

Client-provided location(s): United States
Job ID: BILL-5238070004
Employment Type: Other

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Health Reimbursement Account
    • Dental Insurance
    • Vision Insurance
    • Life Insurance
    • Short-Term Disability
    • Long-Term Disability
    • FSA
    • FSA With Employer Contribution
    • HSA
    • HSA With Employer Contribution
    • On-Site Gym
    • Pet Insurance
    • Mental Health Benefits
  • Parental Benefits

    • Birth Parent or Maternity Leave
    • Non-Birth Parent or Paternity Leave
    • Fertility Benefits
    • Adoption Assistance Program
    • Family Support Resources
    • Adoption Leave
  • Work Flexibility

    • Flexible Work Hours
    • Remote Work Opportunities
    • Hybrid Work Opportunities
    • Work-From-Home Stipend
  • Office Life and Perks

    • Casual Dress
    • Happy Hours
    • Snacks
    • Some Meals Provided
    • Company Outings
    • On-Site Cafeteria
    • Holiday Events
  • Vacation and Time Off

    • Paid Vacation
    • Unlimited Paid Time Off
    • Paid Holidays
    • Personal/Sick Days
    • Leave of Absence
    • Volunteer Time Off
  • Financial and Retirement

    • 401(K)
    • Company Equity
    • Stock Purchase Program
    • Performance Bonus
    • Relocation Assistance
    • Financial Counseling
  • Professional Development

    • Promote From Within
    • Mentor Program
    • Access to Online Courses
    • Lunch and Learns
    • Internship Program
    • Work Visa Sponsorship
  • Diversity and Inclusion

    • Employee Resource Groups (ERG)