Server Backend Developer – Go, Python

CloudLinux

Backend Developer for Imunify360 working on backend services for a security platform. Collaborating with teams, ensuring reliability, performance in a fully remote setup.

Posted 7/10/2026full-timeRemote • 🇵🇱 PolandMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

AnsibleDistributed SystemsDNSDockerGoGrafanaGraphiteHAProxyKafkaLinuxMongoDBPuppetPythonRabbitMQRedisSaltStack

About the role

Key responsibilities & impact

Designing, building, and maintaining backend services for the Imunify360 server platform;
Developing and improving high-throughput, fault-tolerant messaging and data processing pipelines;
Operating and maintaining core server components, including proxies, message brokers, caches, and databases;
Investigating and resolving complex issues in distributed systems, ensuring uptime and reliability;
Writing and maintaining unit/integration tests to ensure robust, maintainable code;
Collaborating with Infrastructure, Monitoring, and other product teams to refine architecture and optimize system performance;
Monitoring production services using Grafana, Telegraf, and related tooling, proactively addressing bottlenecks and scaling challenges;
Improving CI/CD pipelines for automated, efficient deployments;
Participating in design reviews, incident analysis, and contributing to the long-term technical vision of the team.

Requirements

What you’ll need

5+ years of professional experience as a Backend Developer;
Experience with high-load applications. We are about 100k rps.
Strong proficiency in **Golang** as the primary development language (including hands-on experience with goroutines), and practical experience with **Python**, including asyncio-based development;
Experience in maintaining **Linux **services and web applications on Linux machines;
Experience with **AI engineering**: LLM, RAG, cost optimization techniques, prompt engineering, etc.;
Hands-on experience with distributed systems and messaging frameworks such as RabbitMQ, Kafka (or similar);
Experience with MongoDB and Redis (including distributed caching and local RPC use cases);
Familiarity with ClickHouse (or other columnar databases) for large-scale analytics;
Practical experience with Docker for local development and production environments;
Experience with HAProxy or similar load balancing/proxy solutions;
Strong understanding of high-throughput service design and distributed system challenges;
Familiarity with CI/CD pipelines, version control (Git), and automated deployment workflows. Experience creating those pipelines from scratch would be ideal;
Excellent debugging skills, with the ability to deep-dive into network, data, and system-level issues;
Strong communication and collaboration skills, comfortable working in a distributed team;
At least upper-intermediate proficiency in spoken and written English.
**Nice to have:**
Experience with configuration management systems (e.g., Ansible, Puppet, Salt);
Experience working with monitoring and metrics stacks (Grafana, Mimir, Graphite, Telegraf);
Experience with DNS systems (Unbound or similar).

Benefits

Comp & perks

A strong focus on professional development with opportunities for learning and growth:
Interesting and challenging projects,
Mentor and other knowledge-exchange programs;
Fully remote work with flexible working hours, that allows 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 leaves to ensure you maintain a healthy work-life balance;
Compensation for private medical insurance;
Co-working and gym/sports reimbursement;
The opportunity to receive a reward for the most innovative idea that the company can patent, fostering a culture of creativity and innovation.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Backend DevelopmentHigh-Load ApplicationsUnit/Integration TestingDebugging SkillsMessaging FrameworksDatabase ManagementAI EngineeringLinux Services MaintenanceDockerVersion Control (Git)

Soft Skills

Strong CommunicationCollaboration Skills