Andrew Kiyko Email & Phone Number

Moscow, Russia

Development and maintenance of the Rate&Goods' back-end.Pretty much all of the work was about extending functionality, optimizing performance and integrating with other systems.

Moscow, Russian Federation

AltPay is an initiative project to create a cryptocurrency payment gateway hiding all the complexity behind dealing with blockchain nodes.When working on AltPay, I accomplished the following:- Set up a full-blown two-tier architecture on AWS described via Terraform- Set up a production grade CI/CD pipeline on GitLab with blue-green deployment- Architected API, services, database schemes, components- Coded all the logic implementing payment processing in several cryptocurrencies- Coded all the front-end stuff (incl. payment form and admin site)Technologies used (non-exhaustive list): Docker, Django, Celery, PostgreSQL, Redis, React, Sass.

Moscow, Russian Federation

Development and maintenance of a cryptocurrency exchange.I was responsible for the blockchain subsystem. Over the period of working at the company I implemented support for many cryptocurrencies, including Bitcoin, Ethereum (with ERC20 tokens), Litecoin, Bitcoin Cash, Zcash, Tether, Ripple, Stellar and TOMO.Support implementation for each cryptocurrency includes:- Setting up the corresponding blockchain node- Wallet generation- Transaction signing- Deposit and withdrawal processing- Further maintenanceBesides that I implemented an API gateway running on AWS Lambda and was partially involved in bank payments, infrastructure and CI/CD modifications.

Moscow, Russian Federation

Development and maintenance of the Unified Transport System (UTS).UTS is a web based service for tracking and accounting of cleaning machinery located in Moscow as well as for report generation, schedule editing and service supervision. Over the period of working with the system together with a team we built up the workflow process, set up a CI/CD pipeline, introduced unit testing and heavily expanded the system's functionality. I personally implemented many key modules including report generation, integrations with external systems, caching, etc.

Moscow, Russian Federation

Development and maintenance of web services.I was involved in development of several projects. My area of responsibility included:- Back-end development for mobile and web based services- Front-end development (markup & coding)

Volgograd Region, Russian Federation

Website development and maintenance.I developed several small-sized regional websites. For a long time I was engaged in developing and maintaining the Azbuka Vkusa's website (https://av.ru/). Together with a team we expanded the shopping cart and product catalog's functionality and added some new sections to the website. I worked with both back-end and front-end technologies.