Nikita Bragin

Senior Python Engineer

Senior Python Engineer, tech lead, and team lead with 6+ years and a Product Management master’s. Modernizing monoliths into event-driven, high-load systems (2.5M+ events/day, 5s → under 1s latency). Leading a 12-person cross-functional team: turning business ideas into shipped features, keeping systems resilient, enforcing quality (90%+ test coverage, observability), and growing juniors to mid-level.

Study

HSE, Computer Science HSE, Product Management

Work

IBM CDNvideo Domclick

01 Work

DomclickSenior Python Engineer

July 2024 — present

Ran a 6-month mobile API refactor. Split 2 overloaded endpoints into 30+ granular ones. p95 latency dropped from 5s to under 1s, and mobile crashes fell by about 40% (estimate from resolved critical bugs). The mobile team ships UI updates without backend changes.
Designed a greenfield event-driven search service (OpenSearch + Kafka Connect) replacing a legacy monolith. Handles 2.5M+ events a day with zero downtime. Client data delivery went from 8 hours to 10 minutes, new-building search became its own domain, and feature lead time dropped from 4 weeks to 7 days. Infrastructure incidents fell by 70%, and 4 domain teams left a shared dependency. MVP in 2 months.
Tech lead of a 12-person cross-functional team. Turn raw ideas into RFCs, tickets, and specs; about 95% of sprints land on time through scope control. Mentored 1 junior to mid-level in 8 months, roughly doubling delivery capacity without new hires.
Standardized Python across 15+ services: Python 3.12, FastAPI, Pydantic v2, 90%+ test coverage, shared Sentry/Grafana → Telegram. Alerts dropped by 65%; onboarding shrank from 1–2 weeks to 2–3 days.

Middle Python Engineer

August 2022 — July 2024

Led migration of a monolithic billing system to a modular architecture (Python 3.12, PostgreSQL).
Reduced manual reconciliation effort by about 30% and billing support tickets by about 40%.
Containerized services with Docker and deployed them to Kubernetes staging.

Junior Technical Architect

September 2020 — July 2022

Pre-sales technical architect for the Cloud Pak for Integration family, with live demos for enterprise clients.
Proof-of-concept architectures for digital transformation: API management and data transformation.