Mykyta

MYKYTA DUDCHENKO
Senior .NET Developer
Lviv, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)
PROFESSIONAL SUMMARY
Results-driven .NET Backend Engineer with 6+ years of experience designing, developing, and
maintaining scalable enterprise systems and microservices. Experienced in high-load backend
architectures, distributed systems, cloud infrastructure, and data processing pipelines using .NET,
ASP.NET Core, SQL Server, Kafka, BigQuery, AWS, and Azure DevOps. Proven ability to troubleshoot
complex production issues, optimize system performance, and deliver reliable solutions in fast-paced
international environments. Strong focus on clean architecture, system reliability, and business-oriented
problem solving.
TECHNICAL SKILLS
Languages: C#, SQL, JavaScript
Frameworks: .NET / ASP.NET Core, Entity Framework Core, MediatR, FluentValidation, SignalR,
gRPC, AutoMapper
Architecture: Microservices, Clean Architecture, DDD, CQRS, Event Sourcing, REST, gRPC, SOLID,
Hexagonal Architecture
Databases: SQL Server, PostgreSQL, MongoDB, Redis, Elasticsearch
Cloud & DevOps: Azure (App Service, Functions, Service Bus, Key Vault, AKS), AWS (EC2, S3,
Lambda), Docker, Kubernetes, Terraform
CI/CD & Tools: Azure DevOps, GitHub Actions, GitLab CI, Octopus Deploy, Git, Jira, Confluence
Testing: xUnit, NUnit, Moq, FluentAssertions, Specflow, Integration testing, TDD
Messaging: RabbitMQ, Azure Service Bus, Kafka, MassTransit
Methodologies: Agile, Scrum, Kanban, Code Review, Pair Programming
Data & analytics: BigQuery
PROFESSIONAL EXPERIENCE
.NET Developer | Pillar Technology Ventures - Shift, Lviv, Ukraine September 2024 – Present
Web and mobile transportation management platform serving large-scale logistics operations across Israel,
including transportation for schools, universities, police departments, military bases, and enterprise workforce
mobility.
• Develop and maintain microservices powering transportation scheduling, ride management, and
operational workflows for web and mobile platforms.
• Design and develop RESTful APIs for both web and mobile applications, supporting ride
management, route planning, driver operations, and real-time transportation workflows.
• Collaborate directly with client-side teams on a daily basis to clarify requirements, discuss technical
solutions, and support feature delivery.
• Participate in architecture improvements and performance optimization initiatives across distributed
backend systems.
• Refactored and optimized complex SQL stored procedures with performance bottlenecks, improving
query execution time and system responsiveness.
• Investigate and resolve production issues, ensuring platform stability and reliability in high-load
environments.
• Conduct code reviews and contribute to maintaining development standards and overall code
quality across the team.
• Participate in Agile ceremonies including groomings, technical discussions, and sprint planning
sessions.
• Contribute to scalable backend solutions supporting integrations with major enterprise clients
including McDonald’s and Playtika.
.NET Developer | EveryMatrix, Lviv, Ukraine November 2021 - September 2024
Payment integration platform processing high-volume transactions for international clients across gaming and
financial services domains.
 • Contributed to migration of a large plugin-based monolithic platform to a scalable microservices
architecture using ASP.NET Core, Kafka, CQRS, and PostgreSQL.
• Integrated and maintained 50+ payment providers, ensuring secure and reliable transaction
processing across multiple markets and currencies.
• Collaborated on performance optimization initiatives that increased the platform’s load-handling
capacity by 4x while improving system stability and scalability.
• Designed and launched an Identity Verification product, improving compliance, fraud prevention,
and user onboarding workflows.
• Developed RESTful APIs and backend services using ASP.NET Core, .NET 6, Web API, and DDD
principles.
• Implemented extensive unit and integration testing with NUnit, significantly improving test coverage
and deployment confidence.
• Worked with Kafka, RabbitMQ, Redis, Elasticsearch, and PostgreSQL to build resilient event-driven
services and optimize data processing pipelines.
• Participated in architecture discussions, code reviews, troubleshooting, and production support in a
distributed microservices environment.
• Collaborated with cross-functional teams in an Agile environment to deliver features and support
critical payment infrastructure.
.NET Developer | Ciklum, Lviv, Ukraine September 2020 – November 2021
Scandinavian cashback and employee benefits platform providing discounts, vouchers, and gift cards for
enterprise customers across the DACH and Nordic regions.
• Developed and maintained backend services for a large-scale cashback and rewards platform
hosted on AWS cloud infrastructure.
• Implemented new features and enhanced existing services across multiple interconnected
applications and microservices.
• Refactored legacy codebases to improve performance, maintainability, and code readability.
• Investigated and resolved production issues, performed database optimizations, and maintained
system stability.
• Built unit and integration tests to improve software reliability and reduce regression risks.
• Conducted code reviews and mentored new team members during onboarding.
• Worked with BigQuery analytics pipelines and cloud-hosted services to support reporting and
operational workflows.
• Collaborated closely with product owners and distributed development teams in Agile delivery
cycles.
.NET Developer | HO Lviv, Ukraine May 2019 – September 2020
Shopping planning and price comparison platform aggregating product data from local retailers to help users
optimize shopping costs and routes.
• Developed backend microservices for a shopping planning platform using ASP.NET Core and
microservices architecture principles.
• Implemented new business features and contributed to the development of core platform services.
• Designed and maintained Identity and authentication services using IdentityServer.
• Built and supported distributed services communicating through RabbitMQ and API Gateway
infrastructure.
• Performed database optimization and implemented data access layers using EF Core and Dapper.
• Refactored existing services to improve scalability, maintainability, and performance.
• Created unit and integration tests using xUnit to ensure service reliability.
• Participated in code reviews, bug fixing, and technical discussions within the development team.
EDUCATION
Bachelor of Science in Applied Mathematics September 2019 – June 2023
Lviv Polytechnic National University
LANGUAGES
Ukrainian (Native) | English (B2, Upper Intermediate)