Grigory Reznichenko Email & Phone Number

Tbilisi, Georgia

Belgium

Freelance maintenance of the RubyOnRails project

I created a successful RubyOnRails project from scratch. The project was in the educationindustry and functionality included managing teachers, courses, students, calculating paymentsfor teachers and exporting them for bookkeeping, etc. Project manager was very happy to workwith me, because of my deep understanding of customer needs and business analysis skills.Stack: RubyOnRails, mysql, Azure SQL, redis, memcached, docker, Vue.js, React.js

Techstack I work on: RubyOnRails, plain Ruby scripts, Redis, Jenkins, Airflow, Python, mysql.Currently revising our area architecture and splitting a monolith into microservices.

I improved existing CI/CD pipelines (docker, github actions), and improved app monitoring(Sentry, Datadog), implemented features in the main monolithic backend and in microservices.Stack: RubyOnRails, mysql, postgres, redis, K8s, kafka, AWS (EB, API gateway, EKS)

Gent Area, Belgium

I participated in multiple Ruby projects, both as solo developer and in a team. All projects Iworked for were for Belgian customers.Most common tasks I covered: full-text search (thinkingsphinx), PDF/CSV/XML generation,mobile-friendly geolocation, interaction with counterparties via their API (XML and JSON),integration with payment gateways, internal APIs implementation,etc. I trained a junior Rubydeveloper to middle level to maintain the projects after I left.Stack: RubyOnRails, mysql, redis, thinkingsphinx, Backbone.js

Санкт-Петербург, Россия

I developed both back-end and front-end in one of company's internal projects.I optimized the code for high-load usage (mostly database related).

Санкт-Петербург, Россия

I was a co-founder and I did most of the prototype development. Startup was terminatedbecause of my inexperience at that time, but it greatly improved my technical andbusiness skills.

Санкт-Петербург, Россия

I was working within a project on data migration from legacy billing application toNetCracker solution. My tasks on the project were primarily analytical.

Санкт-Петербург, Россия

A big part of the work process was communication with 2nd level support engineers, changemanagement specialists, programmers and business analysts (UK, India, USA)Primary expertise: Oracle PL/SQL, Unix shell scripting.I built up internal change management procedures almost from scratch for a release manager touse, who was hired after the procedures were tested and applied.

Санкт-Петербург, Россия

Market research for a project on hydro pneumatic accumulators

Санкт-Петербург, Россия

Monitoring and maintaining FOREX trading systemsCommunication with first level support team (USA)

Санкт-Петербург, Россия

Monitoring and maintenance of serversSolving technical issues of company clients

Kemerovo, Russian Federation

Preparing of impositionMaintenance of photographic readout equipment

Swansboro, Nc, Usa

Maintaining public order in the area of a hotel

Bachelor Of Science - Bs, Computer Science

Master In Corporate Finance, Corporate Finance

Master Of Science (Msc), Entrepreneurship/Entrepreneurial Studies

Specialist, English Language And Literature

Activities and Societies: Faculty Student Club