class SergeyShirokov:
role = "Lead Backend Engineer"
location = "Russia / Nizhny Novgorod · Moscow"
experience = "6+ years in backend & distributed systems"
focus = [
"Microservices architecture & high-load systems",
"LLM / RAG / MCP integration into products",
"Fintech platforms — investments, portfolio, trading",
"Team lead: decomposition, code review, mentoring",
"Security: pentesting, Keycloak, audit",
]
stack = {
"languages": ["Python 3.12", "Go 1.23"],
"frameworks": ["Django", "FastAPI", "DRF"],
"data": ["PostgreSQL", "ClickHouse", "Elasticsearch", "Redis"],
"infra": ["Kafka", "RabbitMQ", "Kubernetes", "Docker", "GitLab CI/CD"],
"observ": ["Prometheus", "OpenTelemetry", "ELK Stack"],
"ai_ml": ["LLM", "RAG", "MCP", "Whisper", "BERT", "LangChain"],
}
contact = "tg: @srtheone"| Period | Company | Role | Key Work |
|---|---|---|---|
| 2023 — now | Uspect | Lead Backend Engineer | Microservices, LLM/RAG/MCP integration, AI meeting assistant, geo-platform, video surveillance |
| 2024 — 2026 | T-Bank | Senior Backend Engineer | High-load fintech, investment platform, Bank-as-a-Service, multitenancy |
| 2021 — 2025 | Rejuro | Senior Backend / ML | Fintech portfolio system (Go), GitLab code-review bot (LLM), IT ecosystem |
| 2022 — 2023 | Solar | Pentester | Incident investigation, penetration testing, security audits |
*Russia / Nizhny Novgorod · Moscow — UTC+3*