Blockchain Payments Engineer - MLabs - Application

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*****Fiat Onramp Expertise: Proven experience building fiat ramps end-to-end, including bank and card integrations.

*****System Design & Scale: Deep experience designing and scaling high-throughput, low-latency distributed systems in payments, fintech, or risk platforms.

*****Language Fluency: Fluent in one or more systems languages (Rust, Go), or strong systems chops in TypeScript/Node/Python.

*****Database Mastery: Expert-level knowledge of Postgres (transactions, indexing, locking), with familiarity in Redis and event/OLAP stores (Kafka/Redpanda, ClickHouse).

*****API & Webhook Craftsmanship: Mastery of gRPC/REST best practices (versioning, idempotency keys) and building rock-solid webhook consumers.

*****Event-Driven Design: Experience designing systems with queues, outbox/inbox patterns, Sagas, and ensuring exactly-once-effective behavior for financial transactions.

*****Security Mindset: Practical experience with key management (HSM/KMS), secrets hygiene, least privilege, and data auditability.

*****Ownership & Ambiguity: Ownership-driven and comfortable operating in high-ambiguity environments—you move quickly, measure results, and iterate aggressively.

*****Payments: ACH/NACHA returns, 3DS/SCA, AVS/CVV, BIN analysis, chargeback workflows, Apple/Google Pay.

*****Compliance Plumbing: Experience with sanctions/PEP screening, Travel Rule networks (e.g., Notabene/TRISA), and SAR/STR workflow integration.

*****Accounting: Experience with double-entry ledgers, reconciliation jobs, and data modeling for regulatory/tax reporting.

*****Crypto Delivery: Solana RPCs, USDC flows, wallet operations, and Chainalysis/TRM integrations.

*****Infra: Experience with AWS, Terraform, Docker/Kubernetes, and OpenTelemetry/Prometheus/Grafana.

*****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)