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Senior Software Engineer, Product

Alloy operates in a hybrid-work environment. We look to foster collaboration and💼 Full-time💰 $166,000–$166,000🗓 2026-10-01

Core

Design and ship performant Postgres queries and Node.js APIs for a real-time decision engine that helps financial institutions evaluate, approve, and act on risk, including AI features that explain flagged cases.

Role type

Senior backend software engineer (decisioning/fraud prevention)

Builds

Core services for real-time risk evaluation, customer list management (flag/block/approve), and AI-driven case explanation recommendations

Domain

Fintech / Fraud prevention / Risk management

Deliverable

production ML models

Required skills

Node.js, TypeScript, SQL (Postgres), system design, stakeholder communication, requirement gathering

Preferred skills

OpenSearch/Elasticsearch, LLM integration (AWS Bedrock), React, regulated industry experience

Technologies

Postgres, Node.js, TypeScript, OpenSearch, AWS Bedrock, SQS, webhooks

Responsibilities

Design and ship performant Postgres queries and Node.js APIs for the decision engine; own end-to-end systems for client list management on OpenSearch; build and extend AI features for case explanation and decision recommendations; translate ambiguous stakeholder requests into scoped features; partner on system design for enterprise-scale rollouts

Seniority

Senior, hands-on IC

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