> Markdown version of [/jobs/ext/3968048-software-engineer-back-end-pentest-platform](https://www.wearedevelopers.com/jobs/ext/3968048-software-engineer-back-end-pentest-platform). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer, Back-End (Pentest Platform) - **Company:** Horizon 3 AI, Inc - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $199,750.0 - $235,000.0 - **Contract:** Permanent contract - **Skills:** Query Performance, Amazon Web Services, Software System Penetration Testing, Cyber Security, Computer Engineering, Relational Databases, Distributed Systems, Graph Database, Internet Security, Python (Programming Language), PostgreSQL, Neo4j, Software Engineering, SQL Databases, Data Streaming, Software Vulnerability Management, Datadog, Data Processing, HybridCloud, Backend, Event Driven Architecture, Kubernetes, Information Technology, Apache Flink, Apache Kafka, Codebase, Docker - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/software-engineer-back-end-pentest-platform--e1a100e1-f945-44bb-97c4-4fabe77d8d8c ## About the Role Software Engineering, Consulting, Operational Audit, Government, Hybrid Cloud, Internet Security, Startup, Broadband, Telemetry, Data Processing, * Minimum of 4+ years of experience in software engineering or a similar role. * Proficiency in Python and/or Go, including experience with large-scale codebases. * Production experience with relational databases (PostgreSQL) - schema design, migrations, and query performance at scale. * Experience building and operating services in AWS or a comparable cloud, with containers and orchestration (Docker, Kubernetes). * Hands-on experience with observability tooling (Datadog, OpenTelemetry, or similar) in production. * Bachelors degree in Computer Science, Computer Engineering, or related field, or equivalent practical experience. Desired Skills * Production experience with event-driven architectures or streaming platforms (Kafka, Kinesis, Flink, or similar) * Experience with designing distributed systems at scale, AWS a bonus. * Experience migrating a meaningful system from batch to streaming, or decomposing a monolith into services, while it stayed live for customers. * Graph database experience (Neo4j) and graph data modeling and SQL. * Background in cybersecurity, pentesting, or vulnerability management. * Experience with data-at-rest and in-transit encryption patterns (envelope encryption, KMS).