Roman Kubar

Roman Kubar

Tech Lead β€’ CTO-level leadership β€’ 17+ years in backend, distributed systems, and DevOps

updated: 01 Oct 2025 β€’ view online

πŸ’¬ t.me/mentro βœ‰οΈ vacant@xff.pw πŸ‘” LinkedIn πŸ“ Valencia, Spain Gender: Male Age: 38 github: wierdbytes

Summary

Tech leader with 17+ years spanning backend engineering, distributed systems, and DevOps. I build and lead cross-functional teams, launch products end-to-end, and design pragmatic, well-documented architectures. Background includes refactoring monoliths to microservices, high-throughput messaging, API/data platforms, and reliability with strong observability and incident practices. I drive technological modernization, establish hiring/onboarding, and align stakeholders from business to engineering.

Core skills

  • Leadership & delivery: tech leadership, team building, stakeholder communication, incident reviews, hiring/onboarding.
  • Architecture & backend: microservices, API design/integrations, ADRs, performance tuning.
  • Languages: Go, Python, C/C++, Kotlin, Java.
  • Messaging & streaming: Kafka, RabbitMQ, NSQ.
  • Data stores: PostgreSQL, Redis, ClickHouse, MongoDB.
  • DevOps & platforms: Docker, Kubernetes, CI/CD.
  • Observability & QA: Prometheus, Grafana, Allure.
  • Frontend: React, Next.js.

Work Experience

Chief Technology Officer (CTO)

LLC "Fabrique Studio" - Remote β€’ IT, System Integration, Internet
Sep 2021 β€” Present (4 yrs 1 mo)

  • Led cross-functional teams (backend, frontend, QA, DevOps, analysts, architects).
  • Launched new projects: requirements, architecture, estimates, team assembly, task decomposition.
  • Delivered from API integrations to web apps, mobile super apps, ML video analytics, and protocol reverse-engineering.
  • Designed/refined architectures with documented "Architectural Decisions".
  • Stakeholder communications from business to developers to ensure outcomes.
  • Standardized monitoring integration and operations (response protocol, role model).
  • Participated in critical incident reviews; enforced documentation practices.
  • Took over running projects for maintenance and support.
  • Built hiring pipeline and performed deep technical evaluations.
  • Created onboarding process and tracked its effectiveness.
PythonGoC++KotlinJava ReactNext.js PostgreSQLClickHouseRedis RabbitMQKafka DockerKubernetes AgileScrum GitCI/CDPrometheusGrafanaAirflowAllure

Lead Software Engineer

LLC β€œOnline” - Moscow, sms-online.com β€’ IT, System Integration, Internet
Nov 2012 - Sep 2021 (8 yrs 11 mos)

  • Built and maintained 10+ integrations with external systems.
  • Refactored a monolith into microservices; improved performance of key services.
  • L3 on-call rotations ensuring 24/7 reliability.
  • Implemented a high-performance SMPP server with flexible routing.
  • Contributed in architecture committees; authored proposals.
  • Proposed & led a gradual shift from Perl to Go, expanding team capacity and performance.
  • Introduced Docker once production-ready; rebuilt deployment from manual to CI/CD.
  • Integrated Nomad for orchestration; later evolved to Kubernetes.
  • As team lead, launched two new products from scratch; managed 2 teams (3-5 engineers each).
GoPerl PostgreSQLRedisMongoDBClickHouse RabbitMQNSQKafka DockerNomad β†’ Kubernetes ConsuletcdAnsible

Head of Computing Center

College of Electronic Engineering β€” Kuznetsk β€’ Education
Feb 2008 β€” Jun 2012 (4 yrs 5 mos)

  • Managed and modernized the entire hardware fleet; centralized workstation administration.
  • Balanced Internet uplinks; performed network installation and cabling.
  • Connected remote buildings into a unified network; installed and supported a virtual PBX.
  • Led 2 lab assistants; delivered technical support for regional Olympiads.
WindowsLinux PythonC vmWareVirtualBox SambaPostfixAsterisk