Blockchain Payments Engineer - MLabs - Application
MLabs
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*****Resume
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*****Fiat Onramp Expertise: Proven experience building fiat ramps end-to-end, including bank and card integrations.
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*****System Design & Scale: Deep experience designing and scaling high-throughput, low-latency distributed systems in payments, fintech, or risk platforms.
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*****Language Fluency: Fluent in one or more systems languages (Rust, Go), or strong systems chops in TypeScript/Node/Python.
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*****Database Mastery: Expert-level knowledge of Postgres (transactions, indexing, locking), with familiarity in Redis and event/OLAP stores (Kafka/Redpanda, ClickHouse).
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*****API & Webhook Craftsmanship: Mastery of gRPC/REST best practices (versioning, idempotency keys) and building rock-solid webhook consumers.
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*****Event-Driven Design: Experience designing systems with queues, outbox/inbox patterns, Sagas, and ensuring exactly-once-effective behavior for financial transactions.
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*****Security Mindset: Practical experience with key management (HSM/KMS), secrets hygiene, least privilege, and data auditability.
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*****Ownership & Ambiguity: Ownership-driven and comfortable operating in high-ambiguity environments-you move quickly, measure results, and iterate aggressively.
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*****Payments: ACH/NACHA returns, 3DS/SCA, AVS/CVV, BIN analysis, chargeback workflows, Apple/Google Pay.
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*****Compliance Plumbing: Experience with sanctions/PEP screening, Travel Rule networks (e.g., Notabene/TRISA), and SAR/STR workflow integration.
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*****Accounting: Experience with double-entry ledgers, reconciliation jobs, and data modeling for regulatory/tax reporting.
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*****Crypto Delivery: Solana RPCs, USDC flows, wallet operations, and Chainalysis/TRM integrations.
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*****Infra: Experience with AWS, Terraform, Docker/Kubernetes, and OpenTelemetry/Prometheus/Grafana.
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*****1) LinkedIn URL 2) Current Location 3) Expected salary in USD per year 4) Preference for remote/hybrid/on-site/no preference 5) Please confirm your work authorization 6) Please confirm when you are available to start a new position (e.g 1 month notice)