Software Engineer – Agents

Posted 7hrs ago

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Job Description

Software Engineer owning PayBox, MoonPay’s AI-native payment product. Building payment experiences, AI-platform integrations, and end-to-end product infrastructure.

Responsibilities:

  • Own significant areas of PayBox end-to-end, from problem identification and approach definition through production iteration
  • Take the recently launched PayBox product through its next phase of 0→1 development and growth
  • Build payment and peer-to-peer transfer experiences designed for AI interfaces
  • Build integrations across AI platforms, applications, and the PayBox ecosystem
  • Develop infrastructure and product experiences for onboarding new applications and integrations
  • Collaborate closely with Product to turn ambitious ideas into simple, usable experiences
  • Improve PayBox onboarding and UX and remove user friction
  • Reason from first principles about difficult technical and product problems
  • Make pragmatic decisions without waiting for perfect information
  • Move across the product and technical stack according to the highest-impact problem
  • Use AI extensively to increase speed and output while maintaining technical judgment and attention to detail
  • Work closely with the Chief Engineer and a small, highly focused team

Requirements:

  • Exceptional technical reasoning and strong engineering fundamentals
  • Ability to break down unfamiliar, ambiguous problems and reason toward good solutions
  • High agency and willingness to identify important problems and take responsibility for solving them
  • Experience building and shipping meaningful products, projects or systems end-to-end
  • Thoroughness and strong attention to detail
  • Strong systems thinking, including system design, technical trade-offs, and architectural decisions
  • Product judgment encompassing the user experience around technology
  • Comfort with ambiguity and changing priorities
  • Independent thinking in an AI-native environment; ability to use AI while retaining technical reasoning and accountability
  • Deep motivation for ownership, responsibility, and product outcomes
  • Nice-to-have: experience as a founding or early engineer at a high-growth startup
  • Nice-to-have: experience founding and building a company or product
  • Nice-to-have: experience taking a product from idea through launch and iteration
  • Nice-to-have: experience in small, highly autonomous engineering teams
  • Bonus: experience building AI-native products, agents, or developer tooling
  • Bonus: experience with payments, fintech, crypto, or DeFi
  • Bonus: previous experience with MCP or other emerging agent protocols
  • Crypto or MCP experience is not required; bonus points are explicitly not prerequisites

Benefits:

  • Competitive salary package
  • Equity package: all employees have ownership at MoonPay
  • Pay-for-performance equity bonus
  • Moonshot award: 10 employees twice a year, each earning a $250,000 equity grant
  • Pension: employer contributions from day one
  • Employee referral program: earn 10K in USDC
  • Flexible Time Off
  • Birthday leave
  • Enhanced parental leave
  • Hybrid working schedule: work fully remotely or from your nearest Moonbase
  • Commuter benefits: public transport to and from the office
  • Private healthcare benefits
  • Wellhub wellness membership
  • Unlimited enterprise access to Claude, ChatGPT, Gemini and other AI tools
  • Lunch credit for office days
  • Home office setup allowance
  • Remote working allowance
  • Monthly product budget and zero-fee crypto transactions
  • $1,000 annual training budget
  • High Potential Program with structured development, mentorship, and stretch opportunities
  • Regular remote company offsites
  • (Ireland) Cycle to Work scheme
  • (UK) EV Salary Sacrifice