Senior Staff Software Engineer - Payments Platform

Company: Bill.com
Location: Campbell
Posted on: December 30, 2025

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 By replacing outdated financial processes with innovative tools, we help businesses—from startups to established brands—make smarter decisions and gain control of their operations.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 The Payments Platform team at BILL empowers millions of businesses to move money quickly and securely, driving innovation at the heart of our financial ecosystem. As a Senior Staff Software Engineer, you will play a pivotal role in shaping our next-generation payments infrastructure, solving complex problems, and enabling transformative product experiences. This is an opportunity to deliver meaningful impact as a technical leader, collaborating cross-functionally to champion scalable, high-quality solutions. Responsibilities : • Architect and implement new platform services and features that enable secure, reliable, and high-volume payment processing. • Drive technical strategy and provide expert guidance on designing scalable systems that meet evolving business and compliance requirements. • Collaborate closely with Product, Security, and Operations to translate business needs into robust engineering solutions. • Mentor and influence engineers across the team, fostering a culture of learning, high performance, and shared ownership. • Lead end-to-end technical initiatives, proactively identifying and resolving risks and bottlenecks in complex projects. • Promote best practices for code quality, observability, and continuous improvement across the platform. • Champion inclusive and transparent communication, ensuring alignment with broader organizational goals. We’d love to chat if you have: • Deep expertise in designing and building distributed systems, APIs, and high-scale backend services. • Demonstrated ability to solve complex problems and provide technical leadership in ambiguous situations. • Strong communication and collaboration skills, able to work effectively with cross-functional partners. • Experience implementing security, compliance, or risk mitigation frameworks in financial platforms. • Passion for mentoring and inspiring engineers; commitment to fostering an inclusive, high-performing team culture. • 10 years experience in designing, developing, and delivering customer centric enterprise level back end solutions 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 $200,800 - $251,100 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, Vallejo , Senior Staff Software Engineer - Payments Platform, IT / Software / Systems , Campbell, California