Bill

10+ years of experience designing, developing and supporting complex distributed systems and microservices using Java, Spring Boot, Docker, Kubernetes. Experience in applying AI/ML techniques such as natural language processing, reinforcement learning, to build intelligent features and optimize systems. Expertise with AWS cloud services (EC2, ECS, RDS, SQS, Lambda, API Gateway, CloudWatch). Deep expertise in Java, Spring Boot, REST, SOAP, SQL, NoSQL, KAFKA, testing, CI/CD.. For positions that are in office we support a hybrid work environment with on-site and remote work days.

senior staff software engineer

Do the best work of your career as a champion for small and mid-size businesses.
BILL is a leader in financial automation software for small and midsize businesses (SMBs). As a champion of SMBs, we are dedicated to automating the future of finance so businesses can thrive. Hundreds of thousands of businesses trust BILL solutions to manage financial workflows, including payables, receivables, and spend and expense management. With BILL, businesses are connected to a network of millions of members, so they can pay or get paid faster. Through our automated solutions, we help SMBs simplify and control their finances, so they can confidently manage their businesses, and succeed on their terms.
BILL is a trusted partner of leading U.S. financial institutions, accounting firms, and accounting software providers. We have operations in San Jose, CA, Draper, UT, Houston, TX and are continuing to expand into other geographic locations. If you’re looking for a place that helps you do the best work of your career, look no further than BILL.
Make your impact within a rapidly growing Fintech Company
The Card Payment teams are responsible for building enhanced capabilities for card issuing & processing in the cloud-based Bill.com Accounts Payables and Accounts Receivables platforms. You’ll be working with peer developers , product managers, designers, architects, and your manager to create new product capabilities to grow and scale card payments for Bill.
Enable customers to pay & get paid using streamlined card payment options from rapid to instant payouts across multiple channels. Our spotless & smart methodologies define solutions for effortless card payment CX. We are looking for a strong , passionate engineer to join us on an exhilarating journey to clock colossal payment volumes, build & ideate towards next-gen capabilities, & invent new revenue streams in the Card Issuing space.
We’d love to chat if you have:
10+ years of experience designing, developing and supporting complex distributed systems and microservices using Java, Spring Boot, Docker, Kubernetes
Expertise in payment systems, PCI compliance, security, redundancy, fault tolerance, monitoring
Experience in applying AI/ML techniques such as natural language processing, reinforcement learning, to build intelligent features and optimize systems
Expertise with AWS cloud services (EC2, ECS, RDS, SQS, Lambda, API Gateway, CloudWatch)
Design and develop backend services, REST APIs, messaging queues, databases, caching layers
Implement CI/CD pipelines, infrastructure as code, automated testing, and observability.
Optimize performance and scalability through caching, pagination, asynchronous processing, database tuning
Modernize legacy codebases and transition monoliths to microservices, event-driven architecture
Champion best practices around version control, code reviews, testing, deployment automation
Architect solutions to meet security, compliance and regulatory requirements
Mentor other engineers on design patterns, architecture decisions, and development practices
Required Skills:
10+ years of experience designing, developing and supporting large scale distributed systems and microservices using Java
Bachelor's degree in Computer Science or related field; Master's degree preferred
Expert understanding of full software development lifecycle and agile methodologies
Successfully delivered complex projects from concept to launch, working cross-functionally
Deep expertise in Java, Spring Boot, REST, SOAP, SQL, NoSQL, KAFKA, testing, CI/CD.
Expertise with AWS cloud services (EC2, ECS, RDS, SQS, Lambda, API Gateway, CloudWatch)
Experience with payment systems, PCI compliance, security, encryption, PII
Implement pipelines for data collection, cleaning, labeling, model training, evaluation, monitoring, and deployment using AI frameworks.
Mentored and coached junior engineers on best development practices
Advocate for and drive engineering best practices and technology modernization
Instrument models and monitor them in production to detect drift, bias, and performance degradation
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
$188,700—$235,900 USD
Let’s talk about benefits
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
For positions that are in office we support a hybrid work environment with on-site and remote work days. Check out our LinkedIn Life Page for each location and discover BILL.
We live our culture and values every day
At BILL, we’re different by design—it's our culture. Our CEO is a trusted entrepreneur who lives our cultural values: Humble, Authentic, Passionate, Accountable, and Fun. People here love being their authentic selves, contributing unique experiences, sharing ideas, perspectives, and intellectual curiosity. We celebrate our diversity as the heart and soul of how we work, grow, and succeed together. Inspiring people with meaningful career experiences they love really does make the dream work and our successes just keep getting better. There’s no limit to what we can build and where we can go from here. We’d love you to join us.

BILL is proudly an Equal Opportunity Employer where everyone is welcome. Our innovation and technology are inspired by an inclusive culture unlike any other. Everyone brings a different personal story and perspective and this diverse mix of minds, backgrounds, and experiences is where our greatest ideas come from. We welcome people of all races, ethnicities, ages, religions, abilities, genders, and sexual orientations to make us an even more vibrant company. We want everyone to bring their authentic selves here, to share our values, shape our vision, drive innovation, and become part of a culture we celebrate every day.
Our promise to our candidates is to be transparent, diligent, and engaging while guiding individuals through each step of our hiring process. At BILL we strive to achieve an inclusive and positive candidate experience that aligns with our core values and focuses on diversity.
If you require a reasonable accommodation for your application, interviews, or another aspect of the hiring process, please contact interviewaccommodations@hq.bill.com.
BILL Culture:
Humble - We check our egos at the door. We are curious. We listen, accept feedback.
Authentic - We earn and show trust by being real—embracing our authentic selves.
Passionate - We care deeply about each other and our customers.
Accountable - We are duty-bound to each other, our customers, and society.
Fun - We wrap it all together by building connections and enjoying time spent together.

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