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Stellar CyberSC

Staff Software Engineer

Stellar Cyber offers an AI-driven Open XDR platform that unifies and simplifies security operations, enabling lean teams to detect and respond to threats across their entire environment.

Stellar Cyber

Employee count: 51-200

United States only

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Join a fast-growing global leader in cybersecurity, trusted by some of the biggest names in the industry. In addition to some of the world’s largest enterprises and government agencies, more than 30% of the world’s top MSSPs rely on our platform. We’re at the forefront of protecting organizations against sophisticated cyber threats using cutting-edge AI and automation technologies. Our culture is built on diversity, openness, and collaboration, fostering creativity and innovation that drives real impact in the market.

Position Overview

We are looking for a highly skilled Staff Machine Learning Software Engineer with a passion for building robust and scalable systems to power Stellar Cyber’s Open XDR platform. In this role, you will be at the forefront of data-intensive cybersecurity and machine learning software architecture innovation, responsible for developing the foundational components that enable effective and efficient cybersecurity operations for our customers.

Key Responsibilities

  • Design and implement scalable data processing components and supporting features for Stellar Cyber’s cybersecurity applications, including but not limited to, threat detections, incident correlation, threat intelligence, and asset management.
  • Candidates who successfully pass all the interviews will be assigned to a project area in need.
  • Monitor and resolve production stability issues related to the aforementioned components and features.
  • Collaborate closely with machine learning / security researchers, UI / UX, and product management to ensure the design and implementation to align with evolving product needs and business goals.

Requirements

Minimum Qualifications

  • Bachelor’s or Master’s degree in Computer Science or a related field, or equivalent practical experience.
  • 3 years of experience with software development or 2 years of experience with an advanced degree in an industry setting.
  • 3 years of experience with data structures and algorithms in either an academic or industry setting.
  • 2 years of experience with developing backend functionalities, distributed systems, APIs (REST / gRPC), and microservices for machine learning or other data intensive projects.
  • Experience with cloud computing technologies, including containerization, orchestration, and deployment (Docker, Kubernetes, etc).
  • Experience in one or more of the following programming languages: Python, Java, Go.
  • Proficiency in communicating over a text-based medium (e.g., Slack) and can succinctly describe, discuss, and document technical details.


Preferred Qualifications

  • PhD in Computer Science with a research focus on software systems.
  • Experience with developing backend components, such as threat detection engines, in a cybersecurity product.
  • Experience working on machine learning platform teams and/or building tools and frameworks for researchers.
  • Experience with observability frameworks and practices in machine learning systems.
  • Knowledge of machine learning and/or SecOps concepts is a plus.

Benefits

  • Pre-IPO Stock Options (equity opportunity)
  • Medical, Dental & Vision care
  • Life Insurance
  • 401(k)
  • Employee Assistance Program
  • Paid time off
  • Referral Program
  • Rewards and Recognition Program

Why join us?

  • Work at the forefront of cybersecurity innovation within a dynamic, fast-growing team.
  • Opportunity to significantly influence and shape the integration architecture of a next-generation SecOps platform powered by AI and automation.
  • Competitive salary, comprehensive benefits, and ample career growth opportunities.

About the job

Apply before

Posted on

Job type

Full Time

Experience level

Senior

Education

Bachelor degree
Postgraduate degree

Experience

2 years minimum

Experience accepted in place of education

Location requirements

Hiring timezones

United States +/- 0 hours

About Stellar Cyber

Learn more about Stellar Cyber and their company culture.

View company profile

Through groundbreaking technology, Stellar Cyber is revolutionizing cybersecurity at Stellar Cyber, Inc. by empowering organizations to illuminate the darkest corners of their security operations. The company's core mission is to enable businesses to see incoming attacks, understand how to combat them, and act decisively to protect what matters most. Stellar Cyber's innovative Open XDR (Extended Detection and Response) platform is at the forefront of this revolution, offering a comprehensive, unified, and AI-powered solution designed to simplify complexity and empower lean security teams of any skill level. This platform uniquely integrates Next-Generation SIEM (NG-SIEM), Network Detection and Response (NDR), and Multi-Layer AI™ into a single license, providing unparalleled visibility and control.

Stellar Cyber's approach addresses critical challenges faced by modern security operations centers (SOCs), such as tool fatigue from managing multiple, siloed security products and the overwhelming volume of alerts. By ingesting data from virtually any source across the entire security stack – including EDR, email, firewall, cloud logs, identity providers, and OT environments – the platform normalizes and enriches this data, providing a consistent format for context-aware analysis. The Multi-Layer AI™ engine then automatically analyzes this unified data to detect and correlate alerts into actionable incidents, significantly reducing alert fatigue and improving threat detection accuracy. This automation extends to response, with capabilities embedded directly into the analyst's workflow, eliminating the need for separate SOAR tools and streamlining the entire incident lifecycle from detection to remediation. The platform's API-first architecture ensures seamless integration with existing security tools and workflows, including ticketing systems and collaboration platforms, allowing organizations to retain their current investments while enhancing their overall security posture. Stellar Cyber is committed to an open ecosystem, as demonstrated by its Open Cybersecurity Alliance Program, which fosters integration with a wide array of best-in-class cybersecurity solutions. This focus on openness and automation translates into tangible benefits for customers, including a reported 20X improvement in Mean Time to Detect (MTTD) and an 8X improvement in Mean Time to Remediate (MTTR).

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Stellar Cyber

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