Aliaksei Stohniy

Backend Developer

Gdańsk, Poland

Experience

Jul 2023 - Present
1 year 10 months
Gdańsk, Poland

Backend Developer

Naviparking

Technologies: Java 17, Spring, Hibernate, Postgres, Redis, AWS (SQS, S3), Kubernetes

Apr 2022 - Mar 2023
1 year
Gdańsk, Poland

Backend Developer

Blynk

Technologies: Java 17, Netty, WebSockets, custom binary protocol, Clickhouse, Maven

Development team size: 5+

IoT project with high throughput: up to 200k rps, up to 50k devices online, single instance. Low-level usage of Netty (dynamic protocol detection, low-level concurrency handling etc). Custom binary protocol for communication with devices.

Achievements:

  • Implemented custom protocol for interacting with customer's devices
  • Implemented order management system based on real-time data from devices from scratch
  • Improved company's estimations approach, forced development to bring product earlier than required by the contract
Dec 2019 - Apr 2022
2 years 5 months
Gdańsk, Poland

Backend Developer

Viber

Project description: Advertising management backoffice API

Technologies: Java 11, Spring, AWS services (ECS, RDS, DynamoDB, S3, SQS)

Development team size: 5+

Achievements:

  • Implemented set of internal services (ads management, ad messaging API, reporting), thus improving interactions with company's clients
  • Have set up monitoring of current prod solution and improved prod environment
  • Contributed to code style approach in order to keep balance between happy developers and team efficiency
Mar 2018 - Dec 2020
1 year 10 months
Gdańsk, Poland

Backend Team Lead

AV.by

Project description: Classified ads site

Technologies: Symfony, MySQL, Redis, ElasticSearch, Logstash, Docker, PHPUnit, Behat

Development team size: 8+

Responsibilities:

  • Built a new team from scratch
  • Designed a new system and interactions with frontend
  • Prepared specifications for backend team
  • Set up new team's processes, contributed to solving communication issues with new departments
  • Handled migration from bare-metal to cloud provider, with fixing cloud-related issues
  • Contributed to building new estimations / project management approach
Aug 2015 - Mar 2018
2 years 8 months
Gdańsk, Poland

Backend Developer

Everhour

Project description: Time-tracking application integrated with most popular task tracking systems

Technologies: Symfony (PHP framework), MySQL, Redis, ElasticSearch, REST API, PHPUnit, Behat

Development team size: 4+

Summary

Backend developer since 2011. Available only via b2b-contract, individual entrepreneur in Poland.

Languages

Russian
Native
English
Advanced
Polish
Intermediate

Education

Oct 2009 - Jun 2013

BSUIR

Bachelor’s degree · Telecommunications Engineering · Belarus