Software Engineer – Billing

Job Description

Job Title: Staff Software Engineer – Billing & Metering. Location: Bothell, Washington, United States; College Park, Maryland, United States (Hybrid or Remote for the right candidate)

This position focuses on building scalable solutions that enable seamless customer billing, usage metering & payment processing.

Responsibilities:

• Design and lead the architecture of IonQ’s next-generation billing and payments platform.
• Write detailed technical design documents, RFCs, and long-term system roadmaps;
• Act as the technical authority for the billing domain and guide other senior engineers through mentorship and technical best practices.
• Solve complex problems such as usage-based billing models, tax compliance, and integration of international payment methods.
• Collaborate with teams in Product, Finance, and Legal to ensure technical solutions align with company goals;
• Remain hands-on with coding, critical path development, and production issue analysis.

Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent training or experience.
• 8+ years of professional software engineering experience with proven technical leadership;
• 4+ years of hands-on experience with payment processing platforms and Stripe APIs (Billing, Connect, Invoicing).
• Strong understanding of distributed systems, event-driven architecture, and microservices design.
• Experience building large-scale, mission-critical systems with Go or JavaScript;
• Clear communication skills with the ability to write detailed technical documentation.
• Familiarity with AI-assisted coding tools is a plus.

Preferred:

• 10+ years of experience in software development.
• Expertise with global payment systems, currency conversion, and tax compliance.
• Knowledge of PCI DSS compliance and revenue recognition;
• Experience integrating fraud detection systems and subscription billing solutions.
• Contributions to the broader tech community through open-source or public presentations.

Benefits and Compensation:

• Base salary range: $162,920 - $213,304, depending on experience and location.
• Compensation includes bonus, equity, and comprehensive benefits, including:
  • Medical, dental, and vision insurance
  • 401(k) matching;
  • Unlimited PTO and paid holidays;
  • Parental and adoption leave
  • Legal insurance and home internet stipend
  • Pet insurance

Additional Information: Headquarters are in College Park, Maryland, with a new manufacturing facility in Bothell, Washington; Remote candidates within the United States may also apply; Due to U.S. export control laws, this role requires U.S. citizenship, permanent residency, or specific visa status that complies with federal regulations.