I am a Senior Go Developer focused on payments, distributed systems, integrations, and backend infrastructure. I prefer explicit architecture, observable services, and boring technology that is easy to operate.
Experience
Sendsay (Internet Projects) - Senior Go Developer
2025 - Present · Remote
Stack: Go, PostgreSQL, Gin, Valkey, Kubernetes, Argo CD, Prometheus, Grafana
- Designed and launched APIs for a new WYSIWYG email editor, replacing a legacy workflow.
- Built an LLM-assisted subject-line generation API through OpenRouter.
- Set up a k3s cluster and a GitOps delivery flow with Argo CD.
- Updated and adapted a long-lived internal fork of
appleboy/gorush.
Zaman Bank - Senior Go Developer
2023 - 2024 · Remote
Stack: Go, gRPC, PostgreSQL, Kafka, Redis, Kubernetes, Thales TPC SDK, Mastercard MDES, OpenAPI
- Developed issuer-side card tokenization for Apple Pay and Google Pay: push/manual provisioning, token lifecycle, and webhooks.
- Integrated Thales TPC SDK and Mastercard MDES APIs, including activation paths and PIN management.
- Built idempotent gRPC/REST gateways with end-to-end correlation across bank, processor, TSP, and MDES systems.
- Investigated cross-system incidents involving network traces, cryptographic errors, and observability gaps while keeping PCI DSS scope minimal.
Where Are My Kids - Backend Developer
2022 - 2023 · Saint Petersburg
Stack: Go, Fiber, PHP, Laravel, ClickHouse, Prometheus, Grafana
- Migrated functionality from a PHP monolith to Go services.
- Built a push gateway for FCM, APNs, and Huawei.
- Automated HR workflows with LDAP, WireGuard, and Telegram API.
- Introduced metrics, dashboards, and alerting.
Kupibilet - Backend Developer
2019 - 2022 · Saint Petersburg
Stack: Go, Ruby, Rails, MongoDB, Prometheus, GitLab CI
- Built and maintained a payment platform integrating Tinkoff, Checkout.com, YooKassa, and Pay2Me through an internal SDK.
- Implemented PCI DSS-compliant card storage and encryption, and supported high-load booking APIs.
- Built localized push delivery, fiscal receipt integration with Orange Data, CI/CD, monitoring, and centralized logging.
Education
- Institute of Strength Physics and Materials Science SB RAS, Computer Science and Engineering, 2018.
- Tomsk State University of Control Systems and Radioelectronics, Automation of Industrial Processes, 2015.