Alloy
Senior Software Engineer, Product
$166K–$209K
Alloy New York · Senior · Full-time · Posted Aug 7, 2026
- Experience
- 5+ years of professional software engineering experience.
About the job
Build and operate backend decisioning, risk-list, and AI case-explanation systems used by financial institutions to detect and manage fraud at scale.
What you'll do
- Design and ship performant Postgres queries and Node.js APIs for real-time fraud and risk decisions.
- Own reliable client-managed lists on OpenSearch and build AI features that explain flagged cases and recommend decisions.
- Clarify stakeholder and customer needs, shape features, and contribute to system design for enterprise-scale services.
What they ask for
- 5+ years of professional software engineering experience, including production ownership of backend services.
- Hands-on SQL experience, including query plans, indexing, and performance optimization under load.
- Production experience with Node.js and TypeScript.
- Ability to scope ambiguous requests and clarify requirements directly with stakeholders or customers.
Nice to have
- Experience with OpenSearch, Elasticsearch, or similar systems at scale; LLM production integrations using Bedrock or similar.
- Fintech, banking, or regulated-industry experience; React or similar frontend experience.
Pay
$166,000 - $209,000 (USD, base salary)
Tools
Postgres, Node.js, TypeScript, OpenSearch, AWS Bedrock, SQS, webhooks, React
AI focus
Build and extend an AI feature that explains why cases were flagged for manual review and recommends a decision.
Model-written summary · the original posting is authoritative