Мирослав

Myroslav Yaroshchak
.NET/GoLand Backend / Full Stack Developer
Contact Information

Email:
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Telephone:
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Linkedin:
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Address:
Lviv, Ukraine

Executive Summary
Senior .NET Backend / Full Stack Developer with 8+ years of commercial experience
in building scalable web applications and microservices.

Strong expertise in .NET (.NET Core / .NET 8), REST APIs, cloud-native solutions
(Azure), distributed systems, and event-driven architectures.

Commercial experience with Go (Golang) in building high-load backend services,
including work with PostgreSQL, Redis, message brokers, and containerized environments.

Hands-on experience with healthcare systems (FHIR), fintech, CRM platforms,
high-load backend services, and integrations with third-party providers.

Comfortable working in cross-functional teams, designing system architecture,
and taking ownership of backend components from development to production.

Key Skills
Backend: .NET 6+, ASP.NET Web API, Go
Architecture: Microservices, Monolithic, Event-driven
Databases: PostgreSQL, MS SQL, MongoDB, Redis
Messaging: RabbitMQ, NATS, Azure Service Bus
Cloud: Microsoft Azure
DevOps: Docker, Kubernetes, CI/CD
Patterns: CQRS, MediatR
Foreign Language Skills

Language

English
intermediate+

Professional Experience
Company:Lionwood software
Duration:May 2020 –
Role:Full stack developer
Project: Medicine (FHIR)
Role: BackEnd Go Developer
Duration: 11 months
Technologies: Go, PostgreSQL, Redis, NATS, Elasticsearch, WebSockets, Docker, Kubernetes
Responsibilities & Achievements:
• Developed backend services within a microservices architecture for a healthcare platform based on FHIR standards
• Designed and implemented REST APIs and WebSocket-based real-time communication between services
• Integrated Redis caching and NATS messaging for inter-service communication and performance optimization
• Implemented advanced search capabilities using Elasticsearch
• Deployed and operated microservices using Docker and Kubernetes

Project: Car Shipping
Role: Full stack developer (.Net + React)
Duration: 4 months
Architecture: Monolithic
Technologies: .NET 6, MS SQL, React

Project: Car Marketplace Platform
Role: BackEnd .Net Developer
Duration: 8 months
Architecture: Monolithic
Technologies: .NET 8, ASP.NET Web API, MS SQL, MediatR, Redis, Azure Functions

Project: Medicine (FHIR)
Role: BackEnd .Net Developer
Duration: 12 months
Architecture: Microservices
Technologies:.NET 6.0, PostgreSQL, API, Swagger, MediatR, RabbitMQ, Redis, Npgsql

Project: Finding a temporary job
Role: BackEnd .Net Developer
Duration: 13 months
Architecture: Microservices
Technologies: .NET 6, ASP.NET Web API, MS SQL, Entity Framework, MediatR, Azure Functions, Azure Service Bus, Azure Key Vault, Azure Application Insights, Azure Storage, OneLogin
Responsibilities & Achievements:
- Developed backend services within a microservices architecture
- Designed and implemented REST APIs for core business domains
- Used Azure Service Bus and Azure Functions for asynchronous processing
- Implemented secure authentication and authorization using OneLogin
- Applied CQRS patterns using MediatR
- Integrated Azure Key Vault for secrets management
- Monitored and troubleshot services using Azure Application Insights

Project: Criminalistic CRM system
Role: Full-stack .NET Angular
Duration: 6 months
Technologies: .NET Core 3.1, Web Api, Elasticsearch, RabbitMQ, Angular, MongoDB, Docker
Responsibilities & Achievements:
- Developed backend APIs for a CRM system with complex domain logic
- Integrated Elasticsearch and RabbitMQ for search and asynchronous processing

Project:CRM system for the Printing industry
Role: Backend .Net Developer
Duration: 6 months
Architecture: Microservices
Technologies: Net Core, Web API, MongoDB, SmartKasa

Company:

Nordiska Financial Technology
Duration:
May 2020 – May 2021
Role:
.Net developer
Technologies:
Net Core, Web API, Entity Framework, Azure App, Azure functions, Key Vault, Service Bus, Azure DevOps, Azure Cosmos DB, Azure Application Insights

Worked on fintech solutions using Microsoft Azure cloud services.
- Developed backend APIs using .NET Core and Entity Framework
- Built Azure Functions for background processing
- Integrated Azure Service Bus for asynchronous communication
- Used Azure Key Vault for secure secrets management
- Monitored applications using Azure Application Insights
- Participated in CI/CD pipelines using Azure DevOps

Company:
ABTO
Duration:
October 2019 – April 2020
Role:
Middle .Net developer

Project Name:

Under NDA
Technologies:
Net Core, Web API, Entity Framework, PostgreSQL, Google Authorization, Amazon S3

Project Name:

Under NDA
Technologies:
Net Core, Web API, Entity Framework, MS SQL, Stripe, Azure

Company:
Eleks
Duration:
June 2018 – October 2019
Role:
Middle .Net developer
Project Name:
Under NDA
Technologies:
Custom Framework, SQL, ASP.NET, JavaScript, CSS, HTML

Company:
SoftServe Business Systems
Duration:
January 2018 – June 2018
Role:
.Net developer
Project Name:
PromoTool
Technologies:
DevExpress XAF, T-SQL, ASP.NET, JavaScript, CSS, HTML

Company:
SoftServe Business Systems
Duration:
2014-2017
Role:
Support engineer
Project Name:
Sales Works Enterprise

Education

Institution:
Ivan Franko Lviv National University
Date(s) Attended:
September 2000 – May 2005
Qualification(s):
Master’s degree in Mathematics

Institution:
National University "Lviv Polytechnic"
Date(s) Attended:
September 2005 – May 2008
Qualification(s):
Engineer - Analyst of Computer Systems