About the role

Role Overview

You will be the Staff Engineer technical steward and platform architect for Sardine’s Consumer Fraud and Business Fraud engineering teams. You’ll drive platform strategy, optimize ultra-low-latency infrastructure, mentor engineers, and own broad responsibility for a real-time platform that processes massive volumes of data.

Key Missions

Technical leadership across multiple teams: unify platform strategy by partnering with stakeholders and aligning cross-team consensus.
Architect and optimize backend systems: design ultra-low-latency backend services and a high-throughput rules engine.
Real-time data processing pipelines: build robust pipelines to enable massive parallel execution of real-time feature computations and aggregations.

Responsibilities

Serve as the overarching platform architect/technical leader.
Improve reliability, observability, and developer velocity.
Mentor engineers and help raise engineering standards for distributed systems.

Requirements

7+ years of software engineering experience, operating at Staff/Principal/Lead Architect level.
Production experience with stream processing frameworks (e.g., Kafka, Flink, SQS, Pub/Sub).
Advanced polyglot persistence experience, including tuning data models across Document, Wide-Column, and Relational databases.
Strong ability to communicate complex architecture and drive cross-team consensus.
Deep expertise building highly available distributed systems with strict ultra-low latency.

Nice-to-Haves

Not specified in the posting.

About Sardine

Sardine is a remote-first technology company building engineering platforms for fraud prevention, including consumer and business fraud systems. The role focuses on designing ultra-low-latency, high-throughput backend infrastructure and real-time data processing to support mission-critical fraud detection and rules execution.

Staff Engineer (Fraud Prevention)

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