Aleksei Kiselev

← Back to list

senior

Registration: 02.05.2025

Skills

Ruby on Rails

Postgres

RSpec

Sidekiq

REST API

React

JavaScript

HTML

CSS

HTTP

JSON

REST

TCP/IP

SQL

MySQL

NoSQL

Redis

Elasticsearch

Kafka

RabbitMQ

Zabbix

Grafana

Sentry

Agile

Scrum

Kanban

C++

Work experience

Senior Ruby on Rails Engineer

since 01.2023 - Till the present day |Synergy University

Ruby 2.7, Rails 3.1

• Developing new features for Synergy CRM • Migrating a monolithic application to microservices • Implementing REST API services • Implementing Webhooks services • Implementing of sync CRM with Bitrix • Implementing “Search” functionality in CRM via Elasticsearch • Integration of CRM with different 3rd party services: Wazzap, Twin, VKontakte, Oktell, phone and sms services, etc.

Ruby on Rails Developer

2018 - 2022 |Orion Innovation (formerly MERA), StackSports project

Ruby on Rails, RSpec, Sidekiq, REST API, React, JavaScript, HTML, CSS

● Developing new features on backend and frontend (React) for StackSports social network. ● Developing REST API services. ● Integration with Stripe payment service. ● Designs, codes, verifies, tests, documents, amends, and refactors complex programs/scripts and integration software services.

Software Developer

2015 - 2018 |Zeep HK

Python, Zabbix, Grafana

● Troubleshooting and maintenance of installed SS7 based systems for mobile operators. ● Developing Python monitoring scripts (Zabbix/Grafana).

Software Developer

2008 - 2018 |Orion Innovation (formerly MERA)

C++, Technical Support

● Developing of SS7 solutions in C++, SS7 network configuration and SS7 product installation/integration, 24/7 on-call signalling support.

Educational background

Engineeri (Doctor of Science)

2004 - 2012

Nizhny Novgorod State Technical University

Languages

RussianNativeEnglishUpper Intermediate