Cloudlinux

CloudLinux is dedicated to enhancing the security, stability, and profitability of Linux. With over 500,000 product installations and 4,000 customers, including notable clients like Liquid Web, 1&1, and Dell, the company leverages extensive expertise in hosting, kernel development, and open source solutions. Operating with a fully remote workforce, CloudLinux promotes flexible hours and an open management style, empowering employees to integrate work with their lifestyle.

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Jobs at this company:

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🔥 Senior Go Developer for Imunify360

Posted 13 days ago

📍 Poland, Georgia, Serbia, Spain, Turkey

🔍 Cyber Security

🔧 Requirements

5+ years experience in software development with Go
5+ years of experience with Linux
Knowledge, understanding, and ability to select and analyze the performance of classical algorithms and data structures
Ability to write and maintain code in accordance with the Go style guide
Experience in multithreaded programming and development of asynchronous applications
Good understanding of the network stack (TCP/IP, HTTP in particular)
Knowledge of Go-testing and debugging tools
Ability to identify and troubleshoot emerging issues, optimizing applications for performance and scalability
Ability to patch any upstream solution written in Go
Knowledge of Git
Good Linux/Unix proficiency: experience with RHEL/CentOS/AlmaLinux
Experience with Shell scripting
Strong teamwork and collaboration skills
Ability to read and understand someone else's code
Proficient in English, with the ability to read and understand technical documentation

💡 Responsibilities

Internal services development for Imunify360
Maintaining, refactoring, and optimization of the existing services
Development of the new functionality
Development and improvement of the other products written in Go
Monitoring deployments and application performance

GitAlgorithmsData StructuresGoCollaborationLinuxTeamworkJSONScriptingDebugging

Posted 13 days ago

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🔥 Technical Lead for Code Reviewer Project (worldwide remote, work anywhere)

Posted 17 days ago

📍 Spain, Poland, Georgia, Serbia

🧭 Full-Time

🔍 Software Development

🔧 Requirements

Proven ability to take a project from concept through to production, including requirements gathering, design, testing, and maintenance.
Experience with Jira (or similar) for task management, sprint planning, and reporting.
Comfortable with iterative development, frequent releases, and fast feedback cycles.
Proficiency in Git-based workflows (GitHub, GitLab, or Gerrit) and CI/CD setups (Jenkins, etc.).
Strong knowledge of how to integrate automated checks and tests into pipelines.
In-depth understanding of what makes a code review effective, including detection of security vulnerabilities, logical errors, performance bottlenecks, and style issues.
Familiarity with AST-based or control-flow techniques to enable deeper analysis.
Strong experience with Python and hands-on experience in other programming languages (preferably C/C++/PHP/Go), with an awareness of common design patterns, best practices, and typical pitfalls across various tech stacks.

💡 Responsibilities

Design and implement a system capable of reviewing code across multiple languages and projects.
Incorporate advanced code analysis techniques (e.g., AST parsing, control flow analysis) to identify bugs, style inconsistencies, and potential security and performance issues.
Ensure the reviewer can be extended or customized based on evolving requirements from diverse teams.
Employ agile methodologies (Scrum/Kanban) to plan, track, and iterate on new features.
Integrate seamlessly with CI/CD pipelines (GitHub, GitLab, Gerrit, Jenkins), making the reviewer easily adoptable by various R&D teams.
Collaborate with DevOps to ensure smooth deployment and maintenance.
Define and maintain code review standards, including style guidelines, security checks, and performance considerations.
Work with development teams to refine pull/merge request processes, fostering a culture of high-quality code.
Provide comprehensive review feedback and assist in automating repetitive checks to streamline manual review efforts.
Engage with stakeholders and engineering teams to gather feedback and requirements.
Communicate progress clearly and adapt the solution based on iterative input.
Advocate for best practices, teaching others how to maximize the value of automated reviews.
Investigate emerging tools and methodologies in static analysis, linting, and machine learning for potential integration.
Prototype new features or approaches including AI/LLM usage to for code reviewing and unstructured data handling.

DockerLeadershipProject ManagementPythonSoftware DevelopmentSQLAgileDesign PatternsGitJenkinsKubernetesMachine LearningC++JiraCross-functional Team LeadershipAlgorithmsData StructuresREST APICommunication SkillsAnalytical SkillsCI/CDAgile methodologiesRESTful APIsLinuxDevOpsMicroservicesResearch skillsPrototypingSoftware EngineeringDebugging

Posted 17 days ago

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🔥 Senior Python Developer (worldwide remote, work from anywhere)

Posted 18 days ago

📍 Georgia, Armenia, Serbia, Poland, Czechia

🔍 Software Development

🔧 Requirements

4+ years of Python programming experience
Experience with System programming, including Sockets, filesystem, and process management
Proficiency in GNU/Linux operating system and shell scripting
Experience with git-based development processes
Knowledge of PyTest
Intermediate or higher level of English language proficiency

💡 Responsibilities

Get hands-on experience developing our cutting-edge KernelCare products using Python.
Ensure the quality of your code by writing comprehensive unit tests with Python and/or functional tests.
Collaborate with your colleagues by reviewing their code through Gerrit.
Contribute to the growth of our products through architectural development and creating detailed technical documentation for new features.
Dive into reported issues from our clients, partners, or support team to investigate and find solutions.
Work closely with our 3rd level support team, providing consultations and assistance on matters related to KernelCare products.

PythonBashFlaskGitRESTful APIsEnglish communication

Posted 18 days ago

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🔥 Senior Site Reliability Engineer (SRE) for Release Engineering (remote-only)

Posted 20 days ago

📍 Cyprus, Montenegro, Georgia, Serbia, Poland

🔍 Software Development

🔧 Requirements

Strong background in development: an ideal candidate had started a career as a developer, then rolled to infrastructure-based projects on a large scale.
Proven experience as a leading SRE or in a similar role, with a strong focus on Linux environments.
Proficiency in modern agile SDLC practices and principles, orchestration, and CI/CD tooling i.e. Python, Java, Terraform, Ansible, Cloudformation, Puppet, Chef, or similar.
Knowledge of the Grafana ecosystem or similar, building dashboards, alert rules, PromQL, as well as frontend observability.
Excellent technical knowledge of IT Infrastructure, including network and application load balancers, switches, routers, and IP addressing.
Strong analytical and problem-solving skills with a focus on root cause analysis and mitigation.
Excellent communication and teamwork skills with the ability to collaborate effectively across engineering teams.

💡 Responsibilities

Design, implement, and manage scalable, resilient, and secure wide company repository infrastructure for CloudLinux products as a first assignment.
Automate software operations for re-usability and consistency across private and public clouds, taking into consideration the complexities of distributed systems.
Monitor system performance and troubleshoot issues proactively to ensure optimal uptime and reliability.
Automate deployment processes using Infrastructure as Code (IaC) principles.
Share your experience, know-how, and best practices with other team members in design sessions, system architecture discussions, mentorship, and "doing work together".

PythonBashCloud ComputingKubernetesNginxGrafanaPrometheusRelease ManagementCI/CDRESTful APIsLinuxDevOpsTerraformAnsibleScripting

Posted 20 days ago

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🔥 Intern, People Management team (remote opportunity, location - Europe&CIS)

Posted 25 days ago

📍 Almaty, Almaty Region, Kazakhstan, Yerevan, Yerevan, Armenia, Sofia, Sofia City Province, Bulgaria, Tbilisi, Tbilisi, Georgia, Bucharest, Bucharest, Romania, Worldwide

🧭 Internship

🔍 Research & Development

🔧 Requirements

Experience as an HR/Administrative Assistant or relevant in-house employee-related positions (HR, internal communications, administrative roles, etc) would be a plus.
A genuine interest in people-oriented roles and a desire to grow in this field.
Fluency in English (upper-intermediate or higher) and Russian is a must
Good knowledge of Excel and/or Google Sheets
Exceptional interpersonal and communication skills
Great attention to detail and a structured approach to organizing information
Self-starter, with a "let's get things done" attitude – we value individuals who take initiative and drive improvements rather than just execute tasks.
Initiative, driven to grow and learn

💡 Responsibilities

Organize and support the grade review process, ensuring seamless execution and thorough documentation, while working closely with technical staff.
Collect, structure, and document people-related information, enhancing process transparency and accessibility.
Coordinate feedback collection and track key interactions during the onboarding process for our R&D Internship Programme.
Participate in additional people-related initiatives within R&D, working to refine processes and develop engagement activities tailored specifically for technical teams.
Assist with other people related duties as assigned

People ManagementHR ManagementCommunication SkillsAnalytical SkillsMicrosoft ExcelAttention to detailOrganizational skillsDocumentationInterpersonal skillsReportingData entryProcess improvementEnglish communication

Posted 25 days ago

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🔥 SDET / QA Automation Engineer with Python 2.7 (remote-only)

Posted 26 days ago

📍 Worldwide

🧭 Full-Time

🔍 Software Development

🔧 Requirements

Speak Python, breathe Python, and think Python.
Have a Bachelor’s degree in Computer Science, Software Engineering, or a similar field.
Have 2+ years of experience in QA Automation with Python (experience only in UI and/or API automation isn’t relevant for us).
Have 4+ years in QA.
Have experience and a passion for Linux. Fluent in Linux CLI is a must!
Have strong shell scripting knowledge.
Have in-depth knowledge of Python (we use 2.7 mostly) programming language (is a must)!
Have proficiency in object-oriented programming with Python.
Possess knowledge of Ansible and Docker.
Have an understanding of CI/CD systems, tools, and approaches.
Have experience in the creation of Jenkins scripted/declarative pipelines.
Possess a good understanding of DevOps principles and their relation to automation engineering.
Have the ability to work well with culturally diverse teams.
Have proven ability to communicate well with peers and all levels of management.
Have intermediate (and higher) English level.
Be a team player, but also able to work independently using your initiative.
Be happy in an Agile, fast-paced environment.

💡 Responsibilities

Diagnose, isolate, and implement remedies for package failures caused by errors in our updates.
Prepare all needed documentation sets clarifying all the aspects of the product’s environment.
Add new automated test scenarios (Python), maintain continuous test execution (Jenkins), track test cycle execution results, recommend corrective actions, and work with the development engineers on the resolution of problems.
Maintain and modify test environment and configuration as needed, create new test environments and configurations to meet customer-based configuration or problem reproducing requirements.
Continue to expand test automation within ELS continuous integration (CI) and continuous deployment (CD) environments.
Collaborate with C and Python Engineers.

DockerPythonJenkinsQA AutomationAPI testingSeleniumCI/CDLinuxDevOpsAnsibleScriptingSoftware Engineering

Posted 26 days ago

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🔥 Senior Python/Go Developer for Imunify360 (worldwide remote, work anywhere)

Posted about 1 month ago

📍 Poland, Bulgaria, Spain, Serbia, Georgia

🔍 Software Development

🔧 Requirements

5+ years of experience in Python programming.
Experience with Go or a willingness to learn.
Strong background in system programming (e.g., sockets, filesystem, process management).
Experience in Linux server administration is a plus.
Familiarity with network security is a plus.
Experience with automated testing and CI/CD systems.
Knowledge of RPM/DEB package management is a plus.

💡 Responsibilities

Contributing to the development of Imunify360 products using Python.
Assisting in the porting of Python code to Go.
Writing unit tests and/or functional tests for your code.
Reviewing code written by your colleagues using Gerrit.
Developing architecture and writing technical documentation for new features.
Investigating issues reported by clients, partners, or the support team.

Backend DevelopmentPythonGoCI/CDLinuxScripting

Posted about 1 month ago

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🔥 Research Engineer Intern (IRE Research) (worldwide remote, work anywhere)

Posted about 1 month ago

📍 Almaty, Kazakhstan, Belgrade, Serbia, Yerevan, Armenia, Sofia, Bulgaria, Tbilisi, Georgia

🧭 Internship

🔍 Software Development

🔧 Requirements

Python coding skills, with experience writing code, tests, and basic data processing.
Strong problem-solving skills and ability to generate and test ideas quickly.
Comfortable with exploring complex problems independently and over extended periods.
Versatile technical background with experience across multiple technologies.
Fluent English is a must

💡 Responsibilities

Investigate and resolve issues with patch discovery and upstream patch correctness.
Explore methods for evaluating and ranking patch adaptations, contributing to a future code review service.
Develop proof-of-concept (PoC) solutions for research problems rather than production-ready services.
Collaborate with the team to experiment with various approaches and evaluate their effectiveness.

PythonMachine Learning

Posted about 1 month ago

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🔥 Lead Software Developer for Imunify360 (worldwide remote, work anywhere)

Posted 3 months ago

📍 Bulgaria, Poland, Spain, Serbia

🔍 Cybersecurity and Linux infrastructure

🔧 Requirements

5+ years of C programming experience.
Experience with GNU/Linux operating system administration and shell scripting.
Proficiency with various build systems, such as autotools, make, and cmake.
Familiarity with git-based development workflows.
Strong debugging skills, particularly with gdb and command-line tools.

💡 Responsibilities

Designing and implementing security modules for various Linux software (apache, nginx, PHP, dovecot, pam).
Optimizing algorithms used in existing code to reduce overhead.
Cover your code with unit and functional tests.

GitC (Programming language)LinuxDebugging

Posted 3 months ago

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🔥 Senior C Developer (worldwide remote, work anywhere)

Posted 4 months ago

📍 Bulgaria, Poland, Serbia, Georgia

🔍 Linux infrastructure and security products

🔧 Requirements

5+ years of experience in C programming.
Good proficiency in Linux/Unix, especially RHEL/CentOS/AlmaLinux.
Experience in POSIX and thread programming in C.
Familiarity with build systems such as autotools, make, and cmake.
Expertise in debugging using tools like gdb.
Shell scripting experience.
Strong knowledge of Linux development tools.
Hands-on experience with profiling tools like Linux perf.
Understanding of classical algorithms and data structures.
Strong grasp of TCP/IP and HTTP network protocols.
Proficient in Git and English at upper-intermediate level.

💡 Responsibilities

Develop and maintain multi-threaded applications.
Implement and manage inter-process communication (IPC).
Optimize application performance and scalability.
Monitor application deployments and performance metrics.
Troubleshoot emerging issues in applications.

Software DevelopmentGitAlgorithmsData StructuresGoLinuxDebugging

Posted 4 months ago

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