Senior Software Engineer (Web3)

Senior Software Engineer, Hexagate

Company

Alterya by Chainalysis

Conditions

3 days agoSenior Tel Aviv Office; Israel Onsite Full Time Cybersecurity Jobs by Alterya by Chainalysis

Alterya by Chainalysis Alterya by Chainalysis is an AI-powered crypto fraud prevention tool designed to safeguard customers from authorized push-payment (APP) fraud and secure platforms with advanced threat intelligence. Distributed Funding M&A ($150T) Investors Chainalysis Projects Alterya About Alterya by Chainalysis Alterya by Chainalysis connects crypto fraud across financial identifiers to block scams instantly. It safeguards customers from authorized push-payment (APP) fraud and secures platforms with AI-powered threat intelligence. The service detects and blocks fraudulent payments before funds leave a customer's account, monitors over $8B in monthly transactions, and protects over 100M users. It helps businesses grow by reducing false declines and increasing approval rates, thereby building customer trust and ensuring compliance with fraud management regulations. Alterya provides 360° protection from scams and money mules by automatically preventing payments to scammers, identifying fraudulent accounts during KYC processes, linking scam activity across networks with reliable intelligence, and tracking fraudulent activity on the platform. View jobs by Alterya by Chainalysis

Skills

Nats Streaming Data Cybersecurity Api Design Distributed Systems S3 Postgresql Machine Learning Observability Aws Grafana Llm Python Idempotency Go Rust Kubernetes Blockchain Deployment Concurrency Anomaly Detection Threat Intelligence Pulumi Production Ownership Backpressure Redis Data Modeling

About the Role

You'll join the Hexagate team to build cybersecurity products that protect on-chain and web3 assets, working in an adversarial space where attacks are constant and response time matters. You will build real-time pipelines that ingest, normalize, enrich, and route multi-chain activity at high throughput. You'll work on detection engines including an internal monitoring DSL, statistical and anomaly models, ML models, and threat intelligence. You'll design response workflows that turn detections into alerts, automations, and integrations like webhooks and SIEM. You'll also work on LLM systems that help users translate intent into monitors and workflows and speed up investigations safely and predictably. You'll own production systems end-to-end, from design through build, deploy, and operation, continuously improving observability, latency, and reliability.

Requirements

• Senior backend experience shipping and operating production services
• Distributed systems experience: reliability, latency, concurrency, backpressure, and idempotency
• Strong API design and data modeling skills (relational + event-driven)
• High ownership and ability to drive work end-to-end
• Strong collaboration and communication skills
• Web3/blockchain experience or interest is a plus
• Real-time or streaming data experience is a plus
• Security or fraud domain experience is a plus

Responsibilities

• Build real-time pipelines to ingest, normalize, enrich, and route multi-chain activity at high throughput
• Develop detection engines including internal monitoring DSL, statistical and anomaly models, ML models, and threat intelligence
• Design response workflows that turn detections into alerts, automations, and integrations (webhooks/SIEM)
• Build LLM systems that translate user intent into monitors and workflows
• Own production systems end-to-end: design, build, deploy, and operate
• Improve observability, latency, and reliability

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