is a highly experienced **Senior/Tech Lead Golang Developer** with over 14 years of professional experience in software development, backend systems, and microservices architecture. He has worked in various industries, including telecommunications, finance, and e-commerce, with key roles in companies like Shopify, Sberbank, Cisco Systems, AT&T, and VK.
### Current Role: Principal Golang Engineer at Shopify (2021 – Present)
- Leading a team of 9 Go developers, responsible for backend services handling over 100 million daily requests and 200TB of data.
- Spearheaded critical system rewrites, reducing request processing times by 40% and resource consumption by 30%.
- Developed billing systems processing over 50,000 transactions per second and maintained integration with major payment platforms.
- Led infrastructure migration to Kubernetes, achieving 99.99% uptime.
### Previous Experience:
- **Tech Lead at Sberbank** (2018 – 2020): Built a cloud infrastructure with automation and security for processing over 12 million transactions.
- **Senior Golang Developer at Cisco Systems** (2015 – 2017): Created high-throughput data systems and visual analytics dashboards.
- **Senior Software Developer/Tech Lead at AT&T Mobility** (2012 – 2015): Designed telecommunication services using microservices.
- **Software Developer at VK** (2008 – 2011): Developed backend solutions for observability and anomaly detection in large-scale data environments.
### Technical Skills:
- Languages: **Golang, C++, JavaScript (React, Angular)**.
- Technologies: **Kubernetes, Docker, Kafka, PostgreSQL, Cassandra, Elasticsearch, AWS**.
- Expertise in **microservices, observability, data analytics, and cloud infrastructure**.
### Education:
- **Moscow State Technical University** (2013) – Bachelor's in Computer Systems and Networks.
Fluent in **Russian** and proficient in **English**.