Egor Rusakov

Backend Developer / Systems Administrator (Node.js, Production)

2,000 RPS99.9% SLA-70% deploy time3× fewer critical incidents

Backend Developer and Systems Administrator with 3+ years of commercial production experience. Strong background in building and maintaining high-load backend services (up to 2,000 RPS), integrating legacy systems, and supporting mission-critical infrastructure with strict uptime requirements. Comfortable working at the intersection of backend development, DevOps, and system administration, with direct responsibility for production stability and business-critical services.

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Contacts

Location:Open to relocation (Georgia)
Phone:+7 (991) 662-75-53
Email:rusegal.dev@yahoo.com
Telegram:@Pogran0

Proof / Domains

CRM/ERP integrationsCall-center critical systemsVideo surveillance (PTZ, WebRTC)Industrial photo verificationLegacy SOAP/JSON transformations

Case Studies

1C ↔ Mango-Office Integration

Problem: Legacy 1C needed reliable high-load integration with telephony platform.

Action: Built a service with JSON filtering, SOAP transformation, retries, and horizontal scaling.

Result: Sustained up to 2,000 RPS and became critical to call center operations.

Enterprise Video Management System

Problem: Needed production backend for video surveillance with PTZ control.

Action: Implemented RBAC, WebRTC streaming, PDF reporting, and real-time device control.

Result: Delivered a stable platform for multi-site surveillance operations.

Laboratory Verification System

Problem: Industry compliance required photo-verification evidence and traceability.

Action: Built ESP32 photo capture, OCR pipeline, and React dashboard for verification.

Result: Compliant, auditable verification workflow in production.

Key Achievements

  • • Developed and deployed a high-load API (up to 2,000 RPS) for integration between 1C (legacy ERP) and Mango-Office.
  • • Built a production-ready video surveillance management system (NestJS, React, WebRTC, RBAC, PTZ control, PDF reporting).
  • • Designed and implemented a laboratory photo-verification system compliant with industry standards (ESP32 in C, Express backend, OCR with Tesseract, React dashboard).
  • • Automated deployment pipelines using Docker, reducing deployment time by ~70%.
  • • Implemented centralized monitoring and alerting, reducing critical incidents by more than 3×.
  • • Maintained production infrastructure with 99.9% uptime SLA.

Top Skills

Node.jsNestJSTypeScriptPostgreSQLRedisRabbitMQDockerLinuxNginxCI/CD

Technical Skills

Backend Development
  • • Node.js, TypeScript, NestJS, Express.js
  • • REST APIs, microservices, WebSockets
  • • JWT, OAuth2 authentication
  • • High-load and asynchronous systems
Databases & Messaging
  • • PostgreSQL, MongoDB, Redis
  • • RabbitMQ
  • • Data transformation and integration (JSON, SOAP)
Systems Administration & DevOps
  • • Linux (CentOS, Ubuntu), Windows Server
  • • Docker, Docker Compose, basic Kubernetes concepts
  • • VMware, Hyper-V, KVM
  • • Nginx, Apache, IIS
  • • Monitoring: Zabbix, CheckMK
  • • Backup, disaster recovery, RAID
  • • CI/CD pipelines
Networking & Infrastructure
  • • TCP/IP, DNS, DHCP
  • • Active Directory (users, GPO)
  • • Mail servers (Postfix, Dovecot)
  • • VoIP and access control systems (Asterisk, access control systems)

Professional Experience

Multisystem — Backend Developer / Systems Administrator
August 2022 – Present
  • • Designed and implemented backend services using Node.js / NestJS.
  • • Built scalable REST APIs and internal services for CRM and ERP integrations.
  • • Implemented authentication, authorization, and role-based access control.
  • • Developed high-load APIs supporting up to 2,000 requests per second.
  • • Integrated external systems and legacy platforms (including SOAP-based systems).
  • • Maintained and developed production infrastructure (Linux & Windows servers).
  • • Administered Active Directory, DNS, DHCP, and mail servers (~200 users).
  • • Implemented monitoring, alerting, and incident response processes.
  • • Managed virtualization environments (VMware, Hyper-V, KVM).
  • • Ensured backup, recovery, and infrastructure fault tolerance.
  • • Worked directly with business stakeholders on critical production issues.
Freelance / Contract Work — Programmer / System Administrator
April 2016 – August 2022
  • • Delivered full-stack and backend solutions for small and medium businesses.
  • • Configured Linux and Windows servers from scratch.
  • • Developed backend services and admin panels.
  • • Worked with JavaScript and C++.
  • • Gained experience in security fundamentals and infrastructure management.

Education

Moscow State College of Communications (MGOK)
Programmer in Computer Systems (Technician-Programmer)
IT-HUB
Information Security and Protection Technologies

Languages

  • • Russian — Native
  • • English — Upper-Intermediate (B2)

Additional Information

Commercial experience — 3+ years; earlier freelance and private practice alongside education. Used to working with production systems, business-critical services, and environments where downtime directly impacts revenue.

Short HR Version

  • • 3+ years in production backend and infrastructure
  • • High-load APIs up to 2,000 RPS
  • • Legacy integrations, reliability, and cost control
  • • Strong ownership, calm under pressure

Timeline

Aug 2022 – Present
Backend Developer / Systems Administrator
Multisystem. Backend + DevOps responsibilities.
Apr 2016 – Aug 2022
Freelance / Contract Work
Backend, automation, and system administration for SMBs.

SEO

Backend developerSystems administratorHigh-load APIsNode.js / NestJSPostgreSQL / RedisDevOps / Linux

Open to relocation (Georgia) and remote opportunities