ADNova
Golang Developer · Moscow
Dec 2025 – Mar 2026 · 4 months
- Built and shipped a CPA platform solo to production within one month under a hard deadline.
- Architecture: Chi router (chosen for payment-critical API paths); PostgreSQL + Redis with event sourcing; SeaweedFS; Kubernetes (k3s + Traefik).
- Integrated 4 payment gateway providers; async batch processing with asynq; financial reconciliation logic.
- Set up CI/CD pipeline (GitHub Actions), production deployment, and monitoring from scratch.
Result: Zero payment loss in production; full financial auditability achieved.
Fintech Platform (Confidential)
Tech Lead / Python Developer · Remote
Nov 2023 – Dec 2025 · 2 yrs 2 mo
- Led a 2-person backend team on a fintech web platform through the full product lifecycle.
- Designed PostgreSQL schema; built customer loyalty system; implemented OAuth 2.0 + TOTP authentication and RBAC with audit trail.
- Responsibilities: code reviews, architectural decisions, sprint planning, cross-team coordination.
- Built unit and integration test suites; managed CI/CD pipeline with Docker Compose.
Result: System successfully scaled from MVP to production-ready high-load architecture.