Recommended expert

Ilia Kritiuk

Senior Full-Stack Java Developer / Team Lead

Ilia Kritiuk
Munich, Germany

Experience

Apr 2019 - Aug 2025
6 years 5 months

Senior Full-Stack Java Developer / Team Lead

Diva-e Platforms GmbH

  • Led a development team delivering microservices using Java Spring Boot.
  • Implemented asynchronous messaging via Kafka and RabbitMQ.
  • Led team of 6 developers, improving code quality (SonarQube: 92%→ 98%).
  • Reduced deployment time by 70% via optimized Jenkins + TeamCity pipelines.
  • Built REST and gRPC APIs for large-scale integrations.
  • Improved scalability and reliability of cloud-hosted microservices.
Apr 2017 - Apr 2019
2 years 1 month

Full-Stack Java Developer

BizTech Enterprise Solutions, Australia

  • Developed backend services using Spring Boot and PostgreSQL.
  • Designed REST APIs and gRPC services to support microservice communication.
  • Implemented message-driven components via Kafka and RabbitMQ.
  • Participated in architecture design and deployment processes.
Jun 2015 - Apr 2017
1 year 11 months

Senior Java Developer / Team Lead

Sberbank Technology

  • Led a regional team developing a high-load credit scoring system.
  • Implemented business rules and algorithms for automated loan scoring.
  • Conducted mentoring and training sessions for new developers.
  • Served as Scrum Master and promoted agile best practices.
Sep 2014 - Jun 2015
10 months

Implementation Specialist

Infostandard

  • Designed and deployed modular software systems for government organizations.
  • Improved operational efficiency and code reuse across applications.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (9 years), Banking and Finance (2 years), and Government and Administration (1 year).

Information Technology
Banking and Finance
Government and Administration

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (11 years), Product Development (4 years), Project Management (2 years), and Operations (1 year).

Information Technology
Product Development
Project Management
Operations

Summary

10+ years building scalable platforms with Java 17+, Spring Boot, Kafka, Kubernetes, Docker. Led teams, optimized CI/CD, delivered 99.99% uptime.

Skills

  • Java 17+

  • Spring Boot 3

  • Spring Security

  • Rest

  • Grpc

  • Kafka

  • Rabbitmq

  • Redis

  • Mongodb

  • Postgresql

  • Elasticsearch

  • Kibana

  • Docker

  • Kubernetes

  • Teamcity

  • Nginx

  • Jenkins

  • Prometheus

  • Grafana

  • Sonarqube

  • Elk

  • React.js

  • Next.js

  • Typescript

  • Es6

  • Team Leadership

  • Agile/scrum

  • Mentoring

  • Clean Code

Languages

German
Advanced
English
Advanced
Russian
Intermediate

Education

Sep 2010 - Jun 2014

Ryazan State Radioengineering University

Bachelor's degree in Radioengineering · Radioengineering · Ryazan, Russian Federation

Certifications & licenses

Accelerated ES6 JavaScript

Udemy

Advanced JavaScript

Udemy

Bootcamp

Udemy

Docker - Hands On For Java Developers

Udemy

Java Functional Programming – Stepik Spring 5, Boot 2, JPA, AOP, Web MVC, REST

Udemy

Kotlin For Java Developers

Coursera

Kubernetes Hands-On - Deploy Microservices to

Python And Django Full Stack Web Developer

React: SPAs

LinkedIn

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Ilia based?

Ilia is based in Munich, Germany.

What languages does Ilia speak?

Ilia speaks the following languages: German (Advanced), English (Advanced), Russian (Intermediate).

How many years of experience does Ilia have?

Ilia has at least 11 years of experience. During this time, Ilia has worked in at least 4 different roles and for 4 different companies. The average length of individual experience is 3 years and 9 months. Note that Ilia may not have shared all experience and actually has more experience.

What roles would Ilia be best suited for?

Based on recent experience, Ilia would be well-suited for roles such as: Senior Full-Stack Java Developer / Team Lead, Full-Stack Java Developer, Senior Java Developer / Team Lead.

What is Ilia's latest experience?

Ilia's most recent position is Senior Full-Stack Java Developer / Team Lead at Diva-e Platforms GmbH.

What companies has Ilia worked for in recent years?

In recent years, Ilia has worked for Diva-e Platforms GmbH.

Which industries is Ilia most experienced in?

Ilia is most experienced in industries like Information Technology (IT), Banking and Finance, and Government and Public Administration.

Which business areas is Ilia most experienced in?

Ilia is most experienced in business areas like Information Technology (IT), Product Development, and Project Management. Ilia also has some experience in Operations.

Which industries has Ilia worked in recently?

Ilia has recently worked in industries like Information Technology (IT).

Which business areas has Ilia worked in recently?

Ilia has recently worked in business areas like Information Technology (IT).

What is Ilia's education?

Ilia holds a Bachelor in Radioengineering from Ryazan State Radioengineering University.

Does Ilia have any certificates?

Ilia has 9 certificates. Among them, these include: Accelerated ES6 JavaScript, Advanced JavaScript, and Bootcamp.

What is the availability of Ilia?

Ilia is immediately available full-time for suitable projects.

What is the rate of Ilia?

Ilia's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Ilia?

To hire Ilia, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1200
900
600
300
Market avg: 900-1060 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

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