Senior Security Platform Engineer | Go & Kubernetes

Sezzle; United States; Remote; USD 140,000 - 170,000; Full time

Job summary

Sezzle is seeking a hands-on Senior Software Engineer, Security Platform, to build and own the platform the security team runs on: services that discover, scan, triage and route security findings, the event-driven bus that connects them, and CI security gates every team's pipeline runs through.

This development-focused role on the security team emphasizes designing, building and operating Go and Python services on Kubernetes and AWS, with ownership of the NATS-based event stream and companion

Qualifications

• 6+ years of professional software engineering experience, including backend experience.
• Strong proficiency in Golang, plus working proficiency in Python.
• Hands-on experience building and operating event-driven or message-based systems (NATS, Kafka, or similar).

Responsibilities

• Design, build, and operate security engineering services primarily in Golang and Python, on AWS and Kubernetes.
• Own the event-driven platform between the security services: the NATS bus, its contracts and consumers, delivery guarantees and observability.
• Build agentic security workflows: CI review agents, automated finding triage and verification.

Skills

Backend development

Go

Python

Event-driven systems

AWS

Tools

Golang

Python

NATS

Kafka

Kubernetes

Job description

Sezzle is seeking a hands-on Senior Software Engineer, Security Platform, to build and own the platform the security team runs on: services that discover, scan, triage and route security findings, the event-driven bus that connects them, and CI security gates every team's pipeline runs through.

This development-focused role on the security team emphasizes designing, building and operating Go and Python services on Kubernetes and AWS, with ownership of the NATS-based event stream and companion