Illia Stebelskyi Backend Team Lead

Team Lead

RedCore

Sep 2024 - Mar 2026 (1 year 7 months)

- Leading a team of 5 developers, providing technical guidance, mentorship, and code reviews
- Implemented the migration of few features from a monolithic system to microservices, including:
• Separation of the Surveys module into an independent microservice
• Led decoupling and migration of the Education module into a dedicated microservice
• Designed and delivered cross-microservice communication patterns to ensure reliability and scalability
- Introduced the Repository Pattern and built a structured refactoring roadmap for legacy parts of a project
- Advocated for and implemented Clean Architecture practices with SOLID and OOP principles to improve maintainability, readability, and performance

Senior Software Engineer

IntellectEU

May 2023 - Sep 2024 (1 year 5 months)

development of 5 microservices for managing pharmacy stocks, receipts and financial reports:
- Actively participated in the refactoring process, which reduced the service processing time from 5 hours to 15 seconds.
- Implemented bulk table synchronizer for denormalized data records with preserving archived rows.
- Redesigned the testing framework to align with modern best practices. Transitioned to more efficient API testing methods, which reduced technical debt and enhanced reliability, achieving 80% test coverage.

Senior Backend Developer

Monterail

Aug 2022 - May 2023 (10 months)

Building NFT marketplace
- Was part of a team that launched brand new NFT marketplace based on SOL, ETH, MATIC
- Contributed to the design of application, increased performance and optimized bottle necks

Python Developer

Monterail

Apr 2021 - Aug 2022 (1 year 5 months)

Building large scale social network.
https://apps.apple.com/us/app/buynothing/id1557679959
- Designing architecture for high load application (2kk+ users)
- Delivering the project on time including all required features

Organizational responsibilities:
- Building live coding recruitment process from scratch
- Conducting recruitments with preparing feedback
- Knowledge sharing meetings
- Mentoring company members
- Estimating new projects

Python Developer

Shtabapp

Jun 2020 - Apr 2021 (11 months)

Building an agile management system.
- Refactoring codebase and providing it from chaotic to testable reliable system
- Decoupling services from monolith to microservice arcitecture
- Introducing new members to project
- Optimizing resourse loading and fixing nested queries increased general application performance by 27%

Full-stack Developer

Podkarpackie Centrum Innowacji

May 2019 - Jul 2020 (1 year 3 months)

Building an ML based application.
- Worked alongside another developers to deliver fully-featured platform in less then half year
- Tech lead experience with transformation feature requests from client to jira tasks for programmers
- Creating docker based infrastracture and introduction CI/CD pipelines

Illia Stebelskyi

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Illia Stebelskyi

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Behavioral traits