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Software Engineer, Billing Engine

About Orb

Orb is on a mission to revolutionize billing infrastructure for the modern era of AI and software. We empower businesses to align their monetization with product usage—whether through seats, consumption, feature limits, or hybrid pricing models. Our developer-first, data-driven approach enables companies to automate their billing processes and adapt their pricing strategies with ease.

With Orb, revenue workflows are seamless for every team: developers love our intuitive API and extensibility, product managers iterate on pricing and packaging faster, finance teams gain fine-grained reporting for revenue recognition, and customer-facing teams build trust through billing transparency. Companies like Vercel, Pinecone, and Replit rely on Orb to power their most critical revenue initiatives.

Backed by $44.1 million in funding from top investors like Mayfield, Menlo Ventures, and Greylock, we’re building a hybrid, in-office culture in downtown San Francisco (3 days/week). Our team thrives on collaboration, focus, and kindness, with a shared commitment to solving high-impact problems for our customers. At Orb, every team member drives meaningful impact, and we’re just getting started.

About the role

As an early engineer at Orb, you’ll help to build the technical foundations of a critical product that needs to be reliable and accurate at scale. You’ll work closely with our customers to understand pain points in their business processes, and help incorporate those insights into our product roadmap. Our customers rely on Orb to transform an inherently complex domain (billing, from data ingestion to subscription management and revenue recognition) into an efficient, powerful, and easy-to-use experience.

In this role you will

  • Tackle a broad range of technical challenges with our team, like:

    • Designing and maintaining the primitives of Orb’s core billing engine that underlie the rest of the product, prioritizing extensibility and straightforward out-of-the-box functionality . 

    • Evolving our product data model to be both powerful enough to support the most complex billing arrangements for the most complex businesses, and simple enough to understand and build on top of

    • Scaling our system (with real-time ingestion and query) to the largest deployments, with high expectations for stability, performance, and experience – across the API and web app

  • Collaborate across functions within and beyond the Billing Engine team – from PM and design, to sales and customer success – to shape our product strategy, and deliver customer value from concept to implementation.

  • Learn from a talented peer group, and share your expertise

About you

  • 4+ years of experience in software engineering

  • Enthusiastic about working on a broad range of technical challenges across the stack

  • Attention to detail in designing a product with deep user empathy (in visual UX, API design, and everything in between)

  • Excited to engage with customers directly to shape the Orb product

  • Based in the San Francisco Bay Area or willing to relocate (with support from Orb)

Please note: We value in-person collaboration and have built a hybrid, in office culture requiring 3 days per week at our HQ in downtown San Francisco. We see it as a way to achieve our mission faster, in an environment of rapid ideation, strong alignment, and that energy that makes work more fun. Unless specifically noted in the job above, please plan to join us in person in San Francisco.

Benefits

  • Excellent medical, dental, and vision insurance - 100% coverage for you and dependents

  • Unlimited PTO (with 15 days minimum encouraged), 11 paid holidays, plus one week of time off during the last week of December

  • 401k plan

  • 16-week paid parental leave with equity vesting

  • Commuter stipend

  • Catered lunches in the office

  • Meaningful equity in the form of stock options

Equal Opportunity Employer

We work with each other day in and day out, and strongly believe that building a diverse and inclusive team is key to our long-term goals and success as a company. We provide equal employment opportunities to all applicants without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by law.

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What You Should Know About Software Engineer, Billing Engine, ORB

Join Orb as a Software Engineer for our Billing Engine in sunny San Francisco! At Orb, we are on a quest to transform the billing landscape for the new era of AI and software, and we want you to be part of this exciting journey. Here, you’ll design and maintain core components of our innovative billing engine, directly influencing how our customers experience email invoicing and revenue management. With 4+ years of software engineering experience, you’ll tackle a variety of challenges while working closely with end-users to understand their pain points and incorporate those real-world insights into our product roadmap. Your passion for designing intuitive systems that are both powerful and user-friendly will be put to great use, as you will evolve our data model to handle even the most complex billing scenarios. You'll collaborate with teams across our organization—from product management and design to sales—to ensure we deliver real value, all while enjoying a hybrid work culture that fosters creativity and collaboration. We value in-person engagement which means you’ll be at our downtown San Francisco office three days a week, working alongside a talented group of individuals who care about kindness and driving impactful solutions. Plus, we offer great benefits such as unlimited PTO, comprehensive insurance, meaningful equity options, and catered lunches. If you're eager to innovate and enthusiastic about solving intricate problems, Orb is the perfect place for you.

Frequently Asked Questions (FAQs) for Software Engineer, Billing Engine Role at ORB
What are the key responsibilities of a Software Engineer at Orb?

As a Software Engineer at Orb, you will be responsible for designing and maintaining the core components of our billing engine. You will tackle a broad range of technical challenges, evolve our product data model to support complex billing arrangements, scale our systems for optimal performance, and collaborate across various teams to shape product strategy. Your input will help shape the user experience, making billing simpler for our customers.

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What qualifications do I need to apply as a Software Engineer at Orb?

To apply as a Software Engineer at Orb, you should have at least 4 years of experience in software engineering. We are looking for someone with a keen attention to detail, ability to design user-centric products, and a strong willingness to engage directly with customers. Additionally, you should either be based in the San Francisco Bay Area or willing to relocate.

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How does the workplace culture at Orb support Software Engineers?

At Orb, we emphasize a hybrid workplace culture, requiring in-person collaboration three days a week at our downtown San Francisco office. This culture fosters rapid ideation, strong team alignment, and an engaging work environment. We value kindness and collaboration, and our team members are encouraged to innovate and contribute meaningfully to our product development.

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What kind of benefits can I expect as a Software Engineer at Orb?

As a Software Engineer at Orb, you can expect an excellent benefits package, including 100% medical, dental, and vision insurance for you and your dependents, unlimited PTO with a minimum of 15 days encouraged, a 401k plan, and 16 weeks of paid parental leave. You'll also receive a commuter stipend and meaningful equity options in the form of stock options.

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What is the focus of the Billing Engine that a Software Engineer will work on at Orb?

The focus of the Billing Engine at Orb is to transform complex billing processes into a streamlined, powerful experience for users. You will work on real-time data ingestion and subscription management, ensuring our systems are reliable and scalable to handle various billing models while maintaining accuracy and user-friendliness.

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Common Interview Questions for Software Engineer, Billing Engine
Can you explain a challenging project you worked on as a Software Engineer?

When answering this question, highlight a specific project related to billing systems or software engineering that showcases your problem-solving skills and ability to collaborate with cross-functional teams. Discuss the challenges faced, your contributions, and the successful outcomes to demonstrate your value as a Software Engineer.

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How do you approach designing user-friendly APIs?

In your response, emphasize your understanding of user experience and API usability. Discuss how you gather user feedback, iterate on designs, and prioritize functionality while keeping documentation clear and concise, ensuring that developers can easily integrate your APIs into their workflows.

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What strategies do you use to ensure code quality?

Mention best practices such as code reviews, unit testing, and continuous integration. Explain how these strategies help maintain high standards of code quality while ensuring that new features do not introduce bugs or negatively impact performance in your software engineering projects.

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How do you stay current with industry trends in software engineering?

Discuss your commitment to ongoing learning through various channels such as online courses, tech conferences, blogs, and community forums. Mention specific resources or communities that help you stay informed about innovations and best practices relevant to software engineering.

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Describe a time when you had to gather user feedback for a project.

Share a relevant experience where you successfully engaged users to gather feedback. Focus on how you facilitated discussions, analyzed the gathered data, and implemented changes that enhanced the final product. This demonstrates your dedication to user-centric development as a Software Engineer.

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How do you prioritize tasks when working on multiple projects?

Explain your process for managing competing priorities. You might discuss using project management tools, setting deadlines, and communicating with stakeholders to align on priorities. Highlight your organization skills and ability to remain adaptable when unexpected challenges arise.

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What tools and technologies are you most proficient with?

In answering this question, provide a list of relevant programming languages, frameworks, and tools that relate directly to your experience. Highlight proficiency in technologies commonly used in billing systems and demonstrate your readiness to quickly adapt to new tools as a Software Engineer at Orb.

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Can you give an example of how you resolved a technical issue?

Use the STAR (Situation, Task, Action, Result) method to describe a specific technical issue you encountered and how you resolved it. Focus on your analytical process, collaboration with others, and the eventual positive outcome that showcases your problem-solving skills as a Software Engineer.

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What motivates you in your role as a Software Engineer?

Reflect on your passion for technology, your desire to create impactful solutions, and your drive to continuously learn and improve. Convey enthusiasm for working on significant engineering challenges that help businesses thrive, especially within a pioneering environment like Orb.

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How do you handle constructive criticism of your work?

Discuss your attitude toward feedback, emphasizing your openness to constructive criticism as a crucial element of personal and professional growth. Explain how you incorporate feedback into your workflow to improve your coding skills and overall project outcomes.

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Full-time, hybrid
DATE POSTED
April 3, 2025

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