Senior .NET Developer / Software Architect

Senior .NET developer and architect with 15+ years building high-load distributed systems in telecom and fintech. Worked on messaging platforms, payment systems, and lending solutions. Focused on .NET 8/9, PostgreSQL, message queues, and microservices. Led teams and shipped enterprise-scale products.

• Languages & Frameworks: C#, .NET Core/8/9, ASP.NET Core, Dapper, Vue.js
• Databases: PostgreSQL, MariaDB, MS SQL Server, Redis
• Messaging: RabbitMQ, SQS, Kafka (basic)
• Infrastructure: Docker, Podman, systemd-quadlet, GitHub Actions, Yandex Cloud
• Other: REST/gRPC APIs, JWT/API Key auth, PCI DSS

• Built a distributed system for SMS/OTP delivery and bulk campaigns.
• Implemented OTP workflows, campaign scheduling, client management, and multi-channel integrations.
• Optimized PostgreSQL with partitioning for high throughput.
• Added secure APIs with JWT/API Key auth and partner callbacks.

• Built a multi-service platform for message aggregation and delivery.
• Created public and admin APIs with secure authentication.
• Developed an admin console (Vue.js + Vuetify) with dashboards and campaign management.
• Implemented background workers for routing, caching, and third-party integrations.

• Designed event-driven architecture for payments, orders, and product delivery.
• Implemented multi-currency payment flows with multiple providers, reconciliation, and reporting.
• Built serverless backend on Yandex Cloud.
• Made an admin backoffice for managing products and operations.
• Automated the full flow from order to delivery with real-time exchange rates.

• Built on .NET Framework, SQL Server, and RabbitMQ.
• Created a custom workflow engine for loan origination and repayment.
• Integrated with mobile operators and banks.
• Implemented high-availability message-driven architecture for financial transactions.

Team Lead — Telecom & Messaging Solutions Provider
June 2014 – February 2015

• Led dev team, designed billing platform for SMS, email, HLR, and voice.
• Built dynamic tariffing engine with retroactive pricing.

Head of Processing & Integration / Chief Architect — National Payment Services Provider
May 2011 – June 2014

• Managed dev team, designed core payment processing platform.
• Launched micro-lending and linked card systems.
• Enhanced architecture for MNP and PCI DSS compliance.
• Integrated payment gateways, transport systems, and social networks.

System Architect — IT Consulting & Telecom Projects Company
April 2010 – May 2011

• Designed Paybox project (mobile Visa card with major telecom operator).
• Developed integration specs across telecom and banking systems.

Lead Developer — Subsidiary of Major IT Integrator
January 2009 – April 2010

• Developed SLOT monitoring system handling 20K events/sec.
• Built event correlation engine and real-time search service.

Penza State University — Penza, Russia

• English — Advanced
• Russian — Native