Sergey N.

Senior Java Developer
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Poland

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7

+ years experience
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price per hour  
up to $

56

Experienced in developing and implementing high-traffic advertising platforms and reinsurance modules, with a focus on transitioning from monolithic to microservices architectures. Proficient in leveraging technologies such as Java 17, Spring Boot 2-3, MySQL, PostgreSQL, Elasticsearch, KafkaMQ, Docker, Kubernetes, and AWS. Skilled in using Maven for build management, Redis for caching, and Solr for search capabilities. Experienced in performance testing with Gatling, integration testing with jUnit, and database versioning with Flyway and Liquibase. Adept at applying RESTful services, GRPC, HTTP/2, and reactive Spring to optimize and scale applications.

SKILLS

Core technologies
Java
Spring
Maven
Docker
MySQL
PostgreSQL
Other technologies

Kafka

Redis

Elasticsearch

Liquibase

AWS

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Experience

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Senior Software Development Engineer | Lineate

May 2022 – Jun 2024

Project: An advertising platform designed to handle high traffic, introducing new features, and transitioning from a monolithic to a microservices architecture. Technologies: Java 17, Spring Boot 2-3, MySQL, Elasticsearch, Maven, microservices, high traffic, KafkaMQ, Docker, Redis, Flyway, Kubernetes, Solr, Datadog, GRPC, HTTP/2, reactive Spring, performance testing with Gatling, integration testing, Amazon Web Services (AWS).

Tech stack:

Java

MySQL

Docker

Elasticsearch

Maven

Kafka

Redis

Spring

AWS

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Senior Java Developer | Smile

Aug 2018 - March 2022

Project: Development of a reinsurance module and its implementation in an existing application.Technology: Java 17, Spring Boot 2, PostgreSQL, Maven, Microservices architecture,highload, KafkaMQ, Docker, Kubernetes, Liquibase, REST, jUnit, Apache POI.

Tech stack:

Java

Docker

PostgreSQL

Maven

Liquibase

Spring

Kafka

Kubernetes

experience icon

Tech stack:

No items found.

Experienced in developing and implementing high-traffic advertising platforms and reinsurance modules, with a focus on transitioning from monolithic to microservices architectures. Proficient in leveraging technologies such as Java 17, Spring Boot 2-3, MySQL, PostgreSQL, Elasticsearch, KafkaMQ, Docker, Kubernetes, and AWS. Skilled in using Maven for build management, Redis for caching, and Solr for search capabilities. Experienced in performance testing with Gatling, integration testing with jUnit, and database versioning with Flyway and Liquibase. Adept at applying RESTful services, GRPC, HTTP/2, and reactive Spring to optimize and scale applications.

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Education

  • Gomel'ski Dzjaržauny Universitet imja Franciska Skarany

    2011 – 2016. Bachelor's degree, Economic cybernetics

    Gomel'ski Dzjaržauny Universitet imja Franciska Skarany

    2016 – 2018. Master's degree, Mathematics

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