Roman Kubar

Tech leader with 18+ 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: tech leadership, team building, stakeholder communication, incident reviews, hiring.
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) Sep 2021 — Mar 2026 (4 yrs 6 mos)

LLC “Fabrique Studio" - Remote • IT, System Integration, Internet

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 Nov 2012 — Sep 2021 (8 yrs 11 mos)

LLC “Online" - Moscow, sms-online.com • IT, System Integration, Internet

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 → Kubernetes ConsuletcdAnsible

Head of Computing Center Feb 2008 — Jun 2012 (4 yrs 5 mos)

College of Electronic Engineering — Kuznetsk • Education

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