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Stellar CyberStellar CyberUnited States

Senior / Staff Software Engineer - Parser Team

Owns the parser framework and develops high-volume parsing and normalization components for cybersecurity data, partnering with downstream detection and integration teams. Requires 5+ years of software engineering experience, strong programming and data-format expertise, and effective production use of AI-assisted development tools.

150k – 200k/yr
Remote5+ YOEBackend Engineering

About the role

Responsibilities

  • Own the parser framework, identifying reusable patterns, designing primitives, improving hot-path performance, and raising reliability and testability standards.
  • Make design decisions around schema mapping, normalization, malformed data, generalization versus specialization, and framework evolution.
  • Drive high-impact parser integrations end-to-end.
  • Partner with detection, data, and integration teams to ensure parsed data supports downstream use cases.
  • Mentor junior engineers through design discussions and code reviews.
  • Use LLM-based coding assistants, AI-driven test generation, and automated code review to accelerate development.
  • Analyze unfamiliar log samples with LLMs, propose parsing rules, and bootstrap integrations while validating AI output.
  • Automate regression testing, schema diffing, and sample ingestion.
  • Help integrate AI tools into parser workflows and measure efficiency gains.

Requirements

  • Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
  • 5+ years of software engineering experience focused on data parsing, integration, or log processing.
  • Strong proficiency in Python, Java, Ruby, or C++.
  • Familiarity with JSON, XML, CSV, syslog, key-value data, and unstructured text.
  • Strong command of regular expressions and pattern-matching techniques.
  • Understanding of data normalization, schema design, and transformation principles.
  • Experience integrating APIs, web services, and streaming data sources.
  • Demonstrated production use of AI tools such as Copilot, Cursor, Claude, or ChatGPT.
  • Working understanding of cybersecurity concepts and security-tool data.
  • Strong problem-solving and communication skills.

Preferred Qualifications

  • Experience with cybersecurity tools and platforms, including firewalls, IDS/IPS, EDR, SIEM, and cloud security services.
  • Familiarity with AWS, Azure, GCP, CloudWatch, Azure Monitor, and Cloud Logging.
  • Experience with Kafka, Spark, Hadoop, or similar big-data and streaming technologies.
  • Experience with Docker and Kubernetes.
  • Experience using LLMs for log analysis, parser generation, or schema inference.
  • Familiarity with MCP, function calling, or agent frameworks.

Compensation and Benefits

  • Base compensation: USD 150,000–200,000 per year.
  • Bonus opportunity and equity; total compensation varies by candidate location.
  • Pre-IPO stock options.
  • Medical, dental, and vision care.
  • Life insurance.
  • 401(k).
  • Employee Assistance Program.
  • Paid time off.
  • Referral Program.
  • Rewards and Recognition Program.

Skills

PythonJavaRubyC++JSONxmlcsvsyslogregular expressionsdata normalizationschema designAPIsKafkaDockerKubernetes
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