New York - Hybrid
Hybrid
Senior
Full Time
1 day ago
💰$150,000 - $210,000
blockchaincryptobackendseniorhybrid
Requirements
- •Strong backend/platform engineering fundamentals
- •Experience operating production systems with real uptime requirements
- •Hands-on experience interacting with live blockchain networks in production
- •Clear understanding of transaction lifecycle in at least 1 Blockchain and failure recovery
- •You think in failure modes, not just happy paths
What You'll Do
- •Design and improve high-volume transaction broadcasting pipelines
- •Manage transaction lifecycle
- •Detect, retry, rebroadcast, and safely recover stuck transactions
- •Contribute to wallet infrastructure and automation systems
- •Implement safe parallel transaction handling
- •Improve monitoring, observability, and operational guardrails
- •Design systems with financial correctness and reconciliation and auditability in mind
- •Build infrastructure supporting cross chain and multi step flows (fiat to on-chain and vice versa)
- •Handle non-atomic multi-step journeys across chains
- •Design state machines and recovery strategies for partial failure scenarios
- •Support routing mechanics and swap execution considerations such as price impact, liquidity changes, including MEV awareness
- •Build reliable off-chain services that interact with on-chain contracts
- •Participate in estimation, planning, and execution of projects, features, and integrations
- •Develop and maintain thoroughly tested, high-quality, and performant code
- •Collaborate closely with Product Managers to design scalable implementation strategies
- •Contribute to reliable, maintainable systems that evolve with product needs
- •Participate in incident response and post-mortems
- •Improve reliability, alerting, and system resilience
- •Continuously evolve infrastructure to support growing volume and complexity
Nice to Have
- •You can explain a real production incident end-to-end
- •Experience with at least 1 wallet infrastructure (Eth, Bitcoin, Solana) or custody systems
- •Awareness of MEV, slippages, pricing impact and swap execution risks
- •Experience with high-throughput or financial systems
- •Experience working at exchanges, custody providers, wallet infrastructure teams, or high-volume DeFi platforms
- •Familiarity with UTXO-based chains (e.g., Bitcoin), including coin selection and fee bumping strategies (RBF / CPFP)
- •Experience designing cross-chain or multi-step transaction orchestration systems
- •Familiarity with blockchain indexing or event ingestion pipelines
- •Understanding of common token standards (ERC-20, SPL) and interacting with smart contracts from backend services
Benefits
- •Competitive salary package
- •Equity package: financial freedom starts with our employees, so all employees have ownership at MoonPay
- •Pay-for-performance equity bonus: those who drive outsized outcomes receive outsized rewards
- •Moonshot award: we honor exceptional impact. 10 employees twice a year, each earning a $250,000 equity grant
- •Pension: employer contributions from day one
- •Employee referral program: refer great people, earn 10K in USDC
- •Flexible Time Off: choose when to work and when to switch off
- •Birthday leave: take the day off to celebrate you
- •Enhanced parental leave: more time with family, no second thought
- •Hybrid working schedule: work fully remotely or from your nearest Moonbase
- •Commuter benefits: public transport to and from the office
- •Private healthcare benefits: to protect you and your loved ones
- •Wellhub wellness membership: access to gyms, studios, classes, and wellness apps in one membership
- •Unlimited enterprise access to the latest AI tools: Claude, ChatGPT, Gemini and whatever's next
- •Lunch credit: meals covered on the days you're in the office
- •Home office setup allowance: build the home office of your dreams
- •Remote working allowance: those working fully remotely get a little extra for utilities
- •Monthly product budget and zero-fee crypto transactions
- •$1,000 Annual training budget: we support your learning journey
- •High Potential Program: structured development, mentorship, and stretch opportunities
- •Regular remote company offsites: high-impact in-person sessions and hackathons
- •(Ireland) Cycle to Work scheme: tax-efficient bike, gear, and safety kit
- •(UK) EV Salary Sacrifice: lease an electric vehicle through pre-tax salary
About Moonpay
MoonPay is a fintech company providing payment infrastructure for converting fiat currencies into cryptocurrencies and NFTs.
Dover, DE, US
250 - 500
Finance