Server Backend Developer – Go, Python

This is a fully remote position, open to applicants in Poland.

📋 Description

• Designing, constructing, and sustaining backend services for the Imunify360 server platform;

• Enhancing and optimizing high-throughput, fault-tolerant messaging and data processing pipelines;

• Managing and maintaining essential server components, such as proxies, message brokers, caches, and databases;

• Analyzing and resolving intricate issues in distributed systems to ensure reliability and uptime;

• Developing and upholding unit and integration tests to guarantee robust and maintainable code;

• Collaborating with Infrastructure, Monitoring, and other product teams to refine architecture and enhance system performance;

• Overseeing production services utilizing Grafana, Telegraf, and associated tools, proactively tackling bottlenecks and scaling issues;

• Enhancing CI/CD pipelines for automated and efficient deployments;

• Engaging in design reviews, incident analysis, and contributing to the long-term technical vision of the team.

⛳️ Requirements

• Over 5 years of professional experience as a Backend Developer;

• Experience with high-load applications, handling approximately 100k requests per second;

• Strong expertise in **Golang** as the primary development language (including practical experience with goroutines), and familiarity with **Python**, particularly in asyncio-based development;

• Experience in maintaining **Linux** services and web applications on Linux systems;

• Knowledge in **AI engineering**: LLM, RAG, cost optimization techniques, prompt engineering, etc.;

• Practical 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;

• Hands-on experience with Docker for both local development and production environments;

• Familiarity with HAProxy or similar load balancing/proxy solutions;

• Strong grasp of high-throughput service design and challenges within distributed systems;

• Understanding of CI/CD pipelines, version control (Git), and automated deployment workflows, with experience creating these pipelines from the ground up being advantageous;

• Excellent debugging capabilities, with the ability to delve into network, data, and system-level issues;

• Strong communication and collaboration skills, comfortable working within a distributed team;

• Proficiency in spoken and written English at least at an upper-intermediate level.

• **Nice to have:**

• Experience with configuration management systems (e.g., Ansible, Puppet, Salt);

• Familiarity with monitoring and metrics stacks (Grafana, Mimir, Graphite, Telegraf);

• Experience with DNS systems (Unbound or similar).

🏝️ Benefits

• A strong emphasis on professional development with opportunities for learning and advancement;

• Engaging and challenging projects;

• Mentorship and other knowledge-exchange initiatives;

• Fully remote work with flexible hours, allowing you to plan your day and work from anywhere globally;

• Paid 24 days of vacation annually, 10 national holidays, and unlimited sick leave to ensure a healthy work-life balance;

• Compensation for private medical insurance;

• Reimbursement for co-working and gym/sports expenses;

• The chance to earn a reward for the most innovative idea that the company can patent, encouraging a culture of creativity and innovation.