DevOps Engineer

🌍 We’re Hiring: Senior Data Scientist (mathematical statistics focus)
📍 Location: Remote
💡 About Us
Yesim is an international product IT company operating in the fast-growing global eSIM and digital connectivity market. We are building a scalable, data-driven business with a clear focus on long-term value creation.
If you are excited by complex datasets, behavioral patterns, forecasting systems, and building analytical infrastructure from the ground up — this opportunity is built for you .
✨ About the Role
We are looking for a Mid/Senior in-house DevOps Engineer to take full ownership of our infrastructure, developer environments, and CI/CD pipelines. You will work closely with the CTO, CDO and Backend/Frontend Tech Leads, participate in architectural decisions, and establish technical standards from the ground up.
📝 Responsibilities
Data Analysis & Pattern Discovery
• Maintain and evolve AWS and Hetzner infrastructure: server provisioning, network rules, resource monitoring
• Manage SSH tunnels and port-forwarding daemons for secure database access and log retrieval across environments
• Build and maintain CI/CD pipelines (GitHub Actions / GitLab CI) for backend, frontend, and VoIP services
• Design and operate database backup systems (MySQL, ClickHouse) on Hetzner: scheduling, rotation, and integrity verification
• Deploy and maintain staging environments on Hetzner using Docker: multi-stack isolation, production schema replication
• Create and maintain a unified Docker-based local development environment for the entire backend team
• Expand SLA monitoring: build dashboards and alerts tailored to different stakeholder groups (developers, customers, management)
• Write and maintain infrastructure documentation, runbooks, and recovery procedures
• Contribute to ISO 27001 readiness: access control, server access management, DDoS mitigation
📩 Requirements
• 3+ years of experience as a DevOps / Infrastructure Engineer
• Strong Linux skills (Debian/Ubuntu): bash scripting, systemd, cron, user management
• Solid knowledge of Nginx, SSL/TLS, Let's Encrypt configuration
• Hands-on Docker and Docker Compose: Dockerfile authoring, compose stacks, networking, volumes
• Practical AWS experience: EC2, S3, VPC, Security Groups, IAM, CloudWatch
• Hetzner experience: dedicated servers or Cloud VPS, setup from scratch
• SSH tunnel management: port forwarding, reverse tunnels, key management
• CI/CD pipeline experience: GitHub Actions or GitLab CI
• Backup and recovery: mysqldump / ClickHouse backup, verification, rotation
• Monitoring and alerting: Prometheus, Grafana, Alertmanager or equivalents
• Technical English: able to read documentation independently
Nice to Have
• Experience with ClickHouse or other columnar databases
• Familiarity with PHP/Laravel stack (for effective team collaboration)
• Basic Python or Ansible for automation
• Understanding of ISO 27001 or SOC 2 requirements
• Background in telecom or SaaS environments
🌍 Languages
• Russian - С2
• English - B2 or higher
🎁 What We Offer
• Full infrastructure ownership from day one – minimal bureaucracy
• Direct collaboration with CTO, CDO and Backend/Frontend Tech Leads
• Opportunity to build processes from scratch: environments, standards, monitoring
• Involvement in strategic projects: ISO 27001, infrastructure scaling
• Competitive compensation, discussed individually
• Fully remote format — work from anywhere with flexible structure
• Global product environment — operate in an international, fast-scaling tech company
• Dynamic growth stage — high responsibility, fast decisions, no corporate bureaucracy
If you’re ready to design predictive systems, uncover deep behavioral patterns, and influence high-level business decisions — we’d love to hear from you.