Software Engineer II - Cash Account

BILL • San Jose, CA

2d

About The Position

Engineering at BILL builds the platforms that power how businesses move and manage money at scale. BILL’s Cash Account team powers the day-to-day money movement experience for our customers, giving businesses a secure, intuitive way to hold and use their funds. As a Software Engineer II (Frontend) on this team, you’ll help build the web experiences that make complex financial workflows feel simple, reliable, and fast. You’ll help shape a rapidly evolving product area while partnering closely with product, design, and backend engineers. This team operates with a startup mentality, having built a 0-to-1 product. This is an exciting opportunity to deepen your technical skills, solve meaningful problems, and contribute to products that drive real customer value in a dynamic, supportive environment.

Requirements

• Bachelor’s degree in Computer Science or a related field (Master’s a plus)
• Experience building web applications using a modern JavaScript framework (ideally React) and strong proficiency with core web technologies (JavaScript/TypeScript, HTML, CSS)
• Familiarity with consuming RESTful APIs and working within a microservice or service-oriented backend ecosystem
• Exposure to automated testing (e.g., Jest, React Testing Library) and CI/CD workflows, with a desire to improve code quality and coverage over time
• Ability to break down product requirements into clear engineering tasks, deliver high-quality code in an agile environment, and seek guidance when facing ambiguity
• Strong collaboration and communication skills, with an interest in solving problems in a highly regulated, customer-trust-centric space like fintech
• A growth mindset and eagerness to learn new technologies and best practices

Nice To Haves

• Experience leveraging Gen AI technologies to accelerate software engineering by designing prompts, rigorously evaluating outputs, and integrating LLMs

Responsibilities

• Develop and ship user-facing features for the BILL Cash Account web experience using modern frontend technologies (e.g., React, Angular, TypeScript, HTML/CSS)
• Translate product requirements and design specs into accessible, responsive, and performant UI flows that make money movement clear and intuitive
• Integrate frontend experiences with backend services and APIs, handling state management, loading and error states, and edge cases across payment and account scenarios
• Write clean, maintainable code with appropriate unit and component tests, and participate in code reviews to uphold engineering quality and security standards
• Collaborate with product managers, designers, and backend engineers to refine requirements, estimate work, and deliver features iteratively in an agile environment
• Monitor and improve the reliability and performance of Cash Account frontend features through logging, metrics, and user feedback, helping to identify and fix bugs in partnership with more senior engineers

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
• 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

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level