Ivan Bikmullin
Senior Backend Developer
Tbilisi
Summary
10+ years of commercial development on positions up to tech lead.
Last six years was dedicated to development of distributed systems, microservices with golang, kafka, postgresql, kubernetes, redis
Overview
9
9
years of professional experience
5
5
years of post-secondary education
Work History
Senior Backend Engineer
HelloFresh SE
Berlin
05.2024 - Current
- Designed and implemented a robust yet simple event pipeline architecture, replacing an overcomplicated legacy event-streaming system and drastically reducing system latency .
- Optimized event processing throughput up to 1.5x by identifying and resolving bottlenecks in microservices communication.
- Created and maintained detailed backend system documentation, ensuring seamless knowledge sharing across teams during development and maintenance.
- Minimized service downtime by proactively monitoring system health and addressing issues before they escalated.
Senior Backend Developer / Team Lead
Pushwoosh
02.2019 - 04.2024
- Development from scratch of Customer Journey Builder to provide powerful tool for marketers to communicate with their audience via push, email, In-App messages in automated manner by building complex logic chains.
- Optimizing services for increasing load
- Migrating from legacy php monolith app to GoLang microservices to establish durability and availability for core services
- Code review, mentoring, interviews (common team lead experience)
- Built APIs and data clients to consume APIs.
- Built flexible, reusable code and libraries for future use.
- Refactoring, constant learning
- Some cool features related to statistics, using Clickhouse database
- Improving observability, scalability, setting up metrics (prometheus, grafana)
Senior Backend Developer on Freelance
Various
12.2017 - 01.2019
- Node.js service development for crypto-traders for providing data about rate on different exhanges (binance, yobit, etc..)
- Fixing performance issues on https://nextrp.ru/, game launcher development using electron, devops (mysql, samp server, node js backend)
- Backend development for core (PHP) of vezubr.ru, orders for transportation system, realtime notification system (websockets, javascript)
Senior Backend Developer
4Real LTD
06.2016 - 12.2017
- From scratch development of payment system for cases4real.com and similar partner resources, allowing payments with in-game items like Dota 2 and CS:GO (php, postgresql)
- Created API for partner's dashboard (React single page) for payment system and set up integrations with other roulette websites.
- Development of new core for main projects cases4real.com using php and symphony, instead of old drupal core
Education
Specialist - Computers And Networking
Moscow State University of Instrument Engineering
Moscow 09.2008 - 07.2013
Skills
Go
Kafka
Postgresql
Redis
Clickhouse
Kubernetes
Javascript
Php
MongoDB
Highload
Timeline
Senior Backend Engineer
HelloFresh SE
05.2024 - Current
Senior Backend Developer / Team Lead
Pushwoosh
02.2019 - 04.2024
Senior Backend Developer on Freelance
Various
12.2017 - 01.2019
Senior Backend Developer
4Real LTD
06.2016 - 12.2017
Specialist - Computers And Networking
Moscow State University of Instrument Engineering
09.2008 - 07.2013