Remote Senior Backend Engineer: Real-Time Data Platform

horizon3ai; United States; Remote; USD 200,000 - 235,000; Full time

Benefits offered by this job

Equity package (stock options)

Remote work (100% remote)

Health, vision & dental insurance

Job summary

Horizon3 is hiring a Senior Engineer for the Pentest Data Platform, tackling a major shift from batch to real-time, event-driven architecture. You will own design, implementation, and long-term operation of streaming data processing for pentest findings across large-scale environments.

The role requires 4+ years in software engineering, strong Python/Go skills, and AWS/dc/docker/kubernetes experience. This remote-first position offers equity and competitive compensation.

Qualifications

• 4+ years of experience in software engineering or a related role.
• Proficiency in Python and/or Go with large-scale codebases.
• Production experience with PostgreSQL: schema design, migrations, and performance at scale.
• Experience building and operating services in AWS, with containers/orchestration (Docker/Kubernetes).
• Observability tooling experience (Datadog, OpenTelemetry, or similar) in production.
• Bachelor’s degree in CS/CE or related field, or equivalent practical experience.

Responsibilities

• Design, build, and operate event-driven services that process pentest data in real time.
• Lead a ground-up rework of data processing from batch to real-time streaming.
• Translate legacy batch logic to streaming while preserving fidelity.
• Establish SLOs, instrumentation, alerting, and incident response for the platform.

Skills

Python/Go

Large-scale codebases

PostgreSQL

AWS

Docker/Kubernetes

Observability tools

Education

Bachelor’s degree in CS/CE or related field

Tools

Docker

Kubernetes

Neo4j

Kafka/Kinesis/Flink

Job description

Horizon3 is hiring a Senior Engineer for the Pentest Data Platform, tackling a major shift from batch to real-time, event-driven architecture. You will own design, implementation, and long-term operation of streaming data processing for pentest findings across large-scale environments.

The role requires 4+ years in software engineering, strong Python/Go skills, and AWS/dc/docker/kubernetes experience. This remote-first position offers equity and competitive compensation.