Staff Software Engineer (Backend) - Web Platform

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 By replacing outdated financial processes with innovative tools, we help businesses—from startups to established brands—make smarter decisions and gain control of their operations.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.

BILL builds high performing teams and we seek to hire the best talent for every role. We're committed to building a workplace that fosters inclusion and diverse perspectives, valuing each person’s unique skills and experiences. 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

Join the Web Platform team, powering innovation across BILL’s product ecosystem with scalable backend services and forward-thinking modernization. As a Staff Software Engineer, you'll play a central role transforming service architecture, optimizing reliability, and delivering seamless experiences for BILL’s customers and partners. Step into a high-autonomy environment that values diversity, technical excellence, and creative collaboration.

We’d love to chat if you have:

• Bachelor's degree and 8+ yrs of experience; Masters degree and 6+ yrs of experience; PHD and 3 yrs of experience; or equivalent experience    
• Deep expertise designing, implementing, and maintaining scalable backend services
• Proficiency with Java
• Proven ability to architect robust, modern microservices leveraging AWS cloud-native tools (Lambda, ECS/EKS, API Gateway, Secrets Manager, RDS, DynamoDB)
• Experience with event-driven, async-first communication via Kafka (Confluent Cloud), including schema enforcement (Protobuf) and CDC patterns
• Proficiency in GraphQL (Apollo Server, AWS AppSync, Custom Lambda) for unified UI network layer and federated schema design
• Familiarity with both RDBMS (PostgreSQL) and NoSQL/Vector database technologies (DynamoDB, OpenSearch, Weaviate, MemoryDB), especially in cloud environments

The estimated salary  range for this role is noted below for our San Jose based role.  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 above. 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.

San Jose pay range$180,000—$216,000 USD

The estimated base salary range for this role is noted below for our office location in Draper, UT. Additionally, this role is eligible to participate in BILL’s bonus and equity plan. 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 above. 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.

Draper UT pay range$153,000—$183,600 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. 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.

Our Applicant Privacy Notice describes how BILL treats the personal information it receives from applicants.