CloudLinux is a global remote‐first company that delivers high‐volume, low‐cost Linux infrastructure and security products to help companies increase operational efficiency. Every person on our team supports each other to ensure collective success.
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Imunify360 Security Suite is a product of CloudLinux Inc., the maker of the #1 OS in security and stability for hosting providers. It is an innovative, automated, easy‐to‐use solution designed specifically for shared and VPS/Dedicated servers, providing a six‐layer approach to comprehensive attack prevention.
Position
We are seeking an experienced
Senior Software Engineer
for the
Imunify360 IDS/IPS team. This team is responsible for Imunify360's web traffic security layer – the system that intercepts, classifies, and acts on every HTTP request before it reaches a web server. The role sits at the intersection of Linux networking, WAF engineering, and high‐performance systems.
Every engineer on the team owns features end‐to‐end – from product specification through implementation and production validation. There is no backlog of tickets; you will tackle problems and own the outcomes.
What You'll Work On
The IDS/IPS team sits at the critical path of every web request Imunify360 handles. You will work on hard, high‐stakes problems such as traffic classification, protocol‐level enforcement, WAF evolution, and performance at hosting scale – decisions that affect millions of sites. The work is technically deep and product‐relevant, requiring an understanding of not only how to build something but why it matters and what success looks like.
How We Work
We work AI‐natively, using AI tools throughout the full engineering cycle: brainstorming, spec writing, design review, code generation, and validation. Engineers should know how to leverage these tools to maximise productivity and quality.
Key Responsibilities
Own features end‐to‐end: define the problem, shape the solution, ship it, and validate it works.
Architect server‐side systems with a strong focus on performance, correctness, and operational simplicity.
Write behavioural specs before implementation – define what "done" looks like in machine‐verifiable terms before writing code.
Lead design and code reviews that raise the technical bar across the team.
Identify and drive improvements to team processes, tooling, and engineering practices.
Conduct root‐cause analysis on complex production issues – go deep, fix the right thing.
Requirements
Must have
8+ years of progressive experience in software development.
Strong production‐level proficiency in Go as the primary programming language.
Strong hands‐on experience with AI‐assisted development workflows (brainstorming, specification, implementation, validation) as a core part of everyday work.
Practical experience working with Linux in production environments (CentOS, Debian, or similar), especially with the network stack.
Experience with BDD or similar behaviour‐driven approaches for defining and validating software.
Product mindset with a focus on outcomes rather than just task execution.
Nice to have
Python, C, or Rust – familiarity or working experience is a strong plus.
Knowledge of network and web security (WAF, IDS/IPS, traffic analysis).
Experience building AI‐powered features or integrating ML into production systems.
Familiarity with hosting environments (cPanel, Plesk, nginx, Apache).
Benefits
Focus on professional development.
Interesting and challenging projects.
Fully remote work with flexible working hours, allowing you to schedule your day and work from any location worldwide.
Paid 24 days of vacation per year, 10 days of national holidays, and unlimited sick leave.
Compensation for private medical insurance.
Co‐working and gym/sports reimbursement.
Budget for education.
Opportunity to receive a reward for the most innovative idea that the company can patent.
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