Senior Blockchain Platform Engineer: MoonPay

WiredCurrencies; New York, Northern (NY, KY); Hybrid; USD 190,000 - 255,000; Full time

Job summary

MoonPay in New York, NY is seeking a Senior Blockchain Platform Engineer to join the Software Engineering team on a hybrid, full-time basis. The role focuses on broadcasting transactions, wallet infrastructure, cross-chain systems, and reliability for crypto products, with a compensation range of $190,000 to $255,000.

The position requires production systems experience and live blockchain exposure, along with strong engineering fundamentals to ensure auditable and resilient services.

Qualifications

• Strong backend and platform engineering fundamentals.
• Production systems experience with real uptime requirements.
• Live blockchain network experience.
• Transaction lifecycle and failure recovery knowledge on at least one blockchain.
• Understanding of wallet infrastructure or custody systems, high-throughput or financial systems.
• Experience explaining a real production incident from start to finish.

Responsibilities

• Develop transaction broadcasting pipelines and lifecycle controls.
• Build wallet infrastructure and transaction automation.
• Improve monitoring, observability, reliability, and resilience.
• Design state machines and recovery strategies for failed steps.
• Support cross-chain and decentralized finance infrastructure.
• Participate in incident response and post-mortems.

Skills

Backend engineering

Platform engineering

Blockchain experience

Cross-chain infrastructure

Incident response

Reliability engineering

Tools

Ethereum

Bitcoin

Solana

ERC-20

SPL

Job description

# Senior Blockchain Platform Engineer: MoonPay**MoonPay**New York, NY Start Date09/09/2026$222,500.00$ Full-TimeMoonPay is hiring a Senior Blockchain Platform Engineer for its Software Engineering team in New York. The hybrid full-time role focuses on transaction broadcasting, wallet infrastructure, cross-chain systems, and reliability for crypto products. The position pays $190,000 to $255,000, while benefits and the application deadline are Not provided by the employer.The role works within blockchain platform engineering and supports infrastructure for stablecoins, tokenized assets, payments, and other cryptocurrency products. Production systems experience, live blockchain experience, and transaction failure recovery are required. The job also connects to fintech engineering through its emphasis on financial correctness, reconciliation, and auditable services.* **Role:** Senior Blockchain Platform Engineer* **Employer:** MoonPay* **Location:** New York, New York* **Work mode:** Hybrid* **Employment type:** Full-time* **Salary:** $190,000 to $255,000* **Benefits:** Not provided by the employer* **Application deadline:** Not provided by the employerApply For This RoleDiscover moreFinanceFintechTrade Crypto AssetsCandidates applying for the Senior Blockchain Platform Engineer role have the title, New York location, hybrid schedule, full-time status, and compensation range available before submission. The official application page contains the employer's detailed qualifications and responsibilities.## Platform Work For Blockchain TransactionsThe Senior Blockchain Platform Engineer designs and improves transaction broadcasting pipelines. The work manages transaction lifecycles, detects stuck transactions, and handles retries, rebroadcasts, and recovery. Wallet infrastructure and automation are part of the platform scope.Reliability work extends beyond a single transaction. The engineer improves monitoring and observability, builds cross-chain and decentralized finance infrastructure, and designs state machines for partial failures. Tested and performant code supports services that must continue operating as transaction volume and complexity grow.* Develop transaction broadcasting pipelines and lifecycle controls.* Build wallet infrastructure and transaction automation.* Improve monitoring, observability, reliability, and resilience.* Design state machines and recovery strategies for failed steps.* Support cross-chain and decentralized finance infrastructure.* Participate in incident response and post-mortems.## Production Systems And Failure RecoveryDiscover morefinanceFinTechTake Economics CoursesThe position requires strong backend and platform engineering fundamentals. Production systems experience with real uptime requirements and hands-on experience with live blockchain networks form the core technical background.Transaction lifecycle and failure recovery knowledge must cover at least one blockchain. The role also calls for an understanding of wallet infrastructure or custody systems, high-throughput or financial systems, and the operational consequences of transaction failure. Experience explaining a real production incident from start to finish is a strong signal named by the employer.## Chains Wallets And Smart ContractsThe qualification list includes Ethereum, Bitcoin, and Solana wallet infrastructure, along with custody systems. Bonus experience includes UTXO-based chains, Bitcoin coin selection, fee-bumping strategies such as RBF and CPFP, blockchain indexing, event ingestion, and cross-chain orchestration.Backend services interact with smart contracts and common token standards. The role names ERC-20 and SPL familiarity, as well as awareness of MEV, slippage, pricing impact, and swap execution risks. These topics connect engineering decisions to the financial behavior of on-chain transactions.## Pay And Employment DetailsThe published salary range is $190,000 to $255,000. The official job information identifies New York as the location, hybrid work as the work mode, and full-time employment as the employment type.The employer does not provide a benefits package, application deadline, or application contact in the verified posting. The official Lever role page is the available application method.## Questions About The Senior Blockchain Platform Engineer Role### What does the platform engineer build?The role builds transaction broadcasting pipelines, wallet infrastructure, automation, cross-chain infrastructure, and recovery systems for partial failures.### What production background is required?The role requires production systems experience, live blockchain network experience, and transaction lifecycle and failure recovery knowledge on at least one blockchain.### Does the role involve decentralized finance?Yes. The responsibilities include cross-chain and decentralized finance infrastructure, while the qualifications mention MEV, slippage, pricing impact, and swap execution risks.### What benefits does the employer provide?Benefits are Not provided by the employer in the verified job information.Discover morefinancialCompare Credit CardsCompare Exchange RatesThe team assignment is Software Engineering, and the work includes collaboration with product managers on scalable implementation strategies. Project planning, estimation, feature execution, and integration work sit alongside platform reliability duties.MoonPay reports more than 30 million customers and more than 500 ecosystem partners. The employer also identifies AI as its default operating mode and expects it to be used daily in the work environment.