Senior Software Engineer (BE) - Payment

Company: Bill.com
Location: Campbell
Posted on: January 17, 2026

Job Description:

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 By replacing outdated financial processes with innovative tools, we help businesses—from startups to established brands—make smarter decisions and gain control of their operations.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. Were 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. Make your impact within a rapidly growing Fintech Company Our payment teams are at the forefront of building key components for our platform to support our payment business. We work collaboratively with peer developers, product managers, designers, architects, data scientists, and various business partners to define and develop low-friction, high-precision systems that protect our customers and vendors. We are seeking a strong, passionate engineer to join our team. In this role, you will enhance our platform, which is critical to the livelihood of small and medium-sized businesses (SMBs), while also unlocking revenue growth. We’d love to chat if you have: • Bachelor’s degree in Computer Science, Engineering, or a related field. • At least 5 years of experience in software engineering. • Proven experience in leading the design and implementation of scalable SaaS applications in Java. • Expertise in building and maintaining large-scale, high-volume, high-availability, low-latency systems. • Strong understanding of security, compliance, and regulatory requirements. • Demonstrated experience in the payment industry or in developing fraud detection applications. • Proficiency in version control, code reviews, testing, and deployment automation. • Ability to mentor and guide other engineers in best practices and advanced technical concepts. • Experience with machine learning model integration and data pipeline design. • Bonus: Experience in front-end or full-stack development. Visa Sponsorship: Please note that this position is not eligible for visa sponsorship. Applicants must have authorization to work in the United States without requiring visa sponsorship now or in the future. 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 $148,800 - $178,500 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

Keywords: Bill.com, San Francisco , Senior Software Engineer (BE) - Payment, IT / Software / Systems , Campbell, California