Senior Software Engineer, Security Platform

Sezzle

. Design, build, and operate security engineering services in Golang and Python on AWS and Kubernetes .

Posted 10/14/2026full-timeRemote • ChileSenior💰 $5,000 - $9,500 per monthWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in security engineering services using Golang and Python on AWS and Kubernetes, with a strong focus on event-driven systems and web application security. Proficient in CI/CD pipeline tooling and security scanning methodologies, ensuring robust vulnerability management and compliance.

Highest-signal resume keywords

Golang ProficiencyAWS KnowledgeKubernetes ExperienceWeb Application SecurityEvent-Driven Systems

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringBackend DevelopmentCI/CD Pipeline ToolingSAST ToolingSCA ToolingSecret ScanningThreat ModelingAI-Forward EngineeringContainer SecurityInfrastructure as Code (IaC)

Tools & Technologies

NATSKafkaOWASP Top 10Policy-as-CodeBug Bounty Triage

Certifications & Qualifications

PCI DSSSOC 2

Industry Keywords

FintechPaymentsBNPLConsumer LendingSoftware Supply-Chain Integrity

Tech Stack

Tools & technologies

AWSKafkaKubernetesPythonGo

About the role

Key responsibilities & impact

Design, build, and operate security engineering services in Golang and Python on AWS and Kubernetes
Maintain, harden, and retire existing security services
Own the NATS event-driven platform, including contracts, consumers, delivery guarantees, and observability
Integrate scanners, finding systems of record, tickets, and metrics
Own security gates for SAST, SCA, secret detection, container, and IaC scanning
Tune scanners, manage suppression workflows, reduce false positives, and roll out enforcing gates
Build CI review agents, automated finding triage and verification, and remediation helpers
Automate triage-to-remediation workflows and route findings to owning teams and vulnerability-management operations
Participate in threat modeling and secure design reviews
Participate in the on-call rotation
Report to the Director of Information Security and collaborate with detection and response and network and zero trust engineers

Requirements

What you’ll need

6+ years of professional software engineering experience, including significant backend experience
Deployed significant changes to a production application in the past 30 days
Strong proficiency in Golang and working proficiency in Python
Hands-on experience building and operating event-driven or message-based systems, such as NATS or Kafka
Hands-on experience building and operating CI/CD pipeline tooling
Hands-on web application security knowledge, including the OWASP Top 10
Hands-on experience with SAST, SCA, and secret-scanning tooling
Demonstrated AI-forward engineering experience using AI tooling and building adopted agentic workflows
Working knowledge of AWS and Kubernetes
Preferred: experience in fintech, payments, BNPL, or consumer lending
Preferred: working knowledge of PCI DSS and SOC 2
Preferred: software supply-chain integrity, including SBOM pipelines, dependency governance, artifact signing and provenance
Preferred: familiarity with policy-as-code and admission control
Preferred: exposure to bug bounty or external vulnerability report triage
Preferred: experience with system-level threat modeling

Benefits

Comp & perks

Fully remote work
Work from anywhere
AI-assisted engineering tools and workflows
Open-source-focused technology environment