Vladyslav

Vladyslav Tkachenko
[open contact info](look above in the "contact info" section) | LinkedIn | Telegram

SUMMARY
.NET Developer with 3+ years of experience designing and scaling distributed microservices, optimizing database
performance, and integrating AI-driven automation across insurance and edtech platforms.

SKILLS
Technologies:

• Back-End: C#, .NET 6/8/10, ASP.NET Core, Entity Framework Core, YARP, gRPC, REST API

• Front-End: TypeScript, JavaScript, React, Context API, HTML5/CSS3,

• AI: Claude Code, Codex, Microsoft Agent Framework, Semantic Kernel, OpenAI SDK

• Databases: PostgreSQL, SQL Server,Redis

• Cloud & DevOps: Docker, GitHub Actions, Azure DevOps, Azure Blob Storage, Azure Functions, Azure App Configuration

• Message Brokers: RabbitMQ, MassTransit

• Observability: Serilog, Elasticsearch, Prometheus, Grafana

• Testing: xUnit, Testcontainers, Moq

• Architecture: Microservices, Clean Architecture, Modular Monolith

Languages: English (B2), Ukrainian

EXPERIENCE

.NET Backend Developer — TAS Life October 2024 – Present
Project: Insurance Platform, Workflow Platform (High-load, 10+ Microservices)

• Reduced monthly support tickets related to common utility queries from 3,000 to 1,000 (67%) by integrating OpenAI Model via
OpenAI SDK into the support automation workflow.

• Reduced SQL query execution time from 6 seconds to under 1 second through query optimization and stored procedure
implementation.

• Implemented the processing and retrieval of 10,000+ documents through MinIO-based object storage, with document metadata
persisted in PostgreSQL.

• Built interactive client-facing and back-office UI modules using React and TypeScript, integrating with internal REST and gRPC
microservices

• Delivered a 4-level analytics solution covering system, company, contract, and product data, improving visibility for internal teams.

• Implemented asynchronous inter-service communication using RabbitMQ to process domain events and decouple backend
services.

Stack: .NET 8/10, ASP.NET Core, EF Core, PostgreSQL, RabbitMQ, MinIO, YARP, gRPC, React, TypeScript, OpenAI SDK,
Microsoft Agent Framework, GitHub Action

.NET Backend Developer — Techville April 2023 – September 2024
Projects: Gamified English-Learning Platform; Disaster Response and Victim Reunification Platform

• Reduced application deployment time from 20 minutes to 7 minutes (65%) by automating build and deployment pipelines with
Azure Pipelines.

• Increased automated test coverage from 45% to 70% by introducing unit and integration tests.

• Automated educational platform workflows using Azure Functions, supporting 1,000+ student notification triggers and grading
report generation.

Stack: .NET 6, ASP.NET Core, EF Core, Kafka, MassTransit, Azure Functions, Azure App Configuration, Azure DevOps

EDUCATION
Dnipro University of Technology 2022 – 2026
Bachelor Degree, Computer Science