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IonQ · 17 hours ago

Staff Software Engineer – Billing & Metering

College Park, MD

Full-time

Hybrid

Lead/Staff

$163K/yr - $213K/yr

8+ years exp

IonQ is developing the world's most powerful full-stack quantum computer based on trapped-ion technology. They are looking for a Staff Software Engineer to lead their billing and payments platform integration efforts, collaborating with product teams to enhance the quantum developer experience.

ComputerElectronicsFinanceInformation ServicesInformation TechnologyMobile AppsQuantum ComputingSoftware

Growth Opportunities

No H1B

U.S. Citizen Only

Responsibilities

Architectural Vision & Strategy: Architect and lead the design and building of our next-generation billing and payments platform. Author technical design documents, RFCs, and roadmaps that align with long-term business goals

Technical Authority & Mentorship: Act as the ultimate technical authority for the billing domain. Provide guidance, mentorship, and technical oversight to senior engineers and team leads across the organization. Elevate the entire engineering team through best practices and knowledge sharing

Solve Complex Problems: Spearhead the development of solutions for our most challenging technical problems, such as implementing sophisticated usage-based billing models or expanding into new international markets with complex tax and compliance needs

Strategic Cross-Functional Influence: Collaborate with senior leadership in Product, Finance, and Legal to influence product strategy and ensure our technical architecture can support future business initiatives. Translate complex business needs into a scalable and maintainable technical reality

Hands-On Development: While this is a strategic role, you are expected to remain hands-on by leading the development of new solutions, contributing to critical path code, and performing deep-dive investigations into production issues

Qualification

Payment processing platformsStripe APIMicroservices architectureBack-end programming in GoUsage-based billingInvoice reconciliationTransaction lifecyclesFinancial complianceAI familiarityTechnical leadershipExceptional communication

Required

Bachelor's degree in Computer Science, Engineering or a related field, or equivalent training, fellowship, or work experience

8+ years of professional software engineering experience, with a history of technical leadership and shipping large-scale, mission-critical systems

Deep, expert-level knowledge (4+ years) of payment processing platforms, with extensive hands-on experience with the Stripe API for SaaS and/or Marketplace use cases (Stripe Billing, Connect, Invoicing, etc.)

Strong understanding of transaction lifecycles, payment processing flows, and idempotency in distributed systems

Past experience with usage-based billing and invoice reconciliation

Solid understanding of microservices architecture, event-driven systems, and data consistency patterns

Proven experience designing and leading large-scale, cross-team technical projects from inception to completion

Exceptional written and verbal communication skills, demonstrated through a portfolio of technical design documents, architectural diagrams, or public presentations

Expertise programming backends in Go or JavaScript

A strong sense of ownership and the ability to navigate ambiguity to drive complex projects forward with a high degree of autonomy

Familiarity with using AI in day to day coding