Єгор

Yehor Shamrai
[open contact info](look above in the "contact info" section) · Kyiv, UA · [open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section) · GitHub

Objective
Software Engineer with 5+ years of experience in C#/.NET, distributed systems, and cloud infras-
tructure. Focused on building scalable, maintainable payment and enterprise systems, with hands-on
experience in microservices, resilience engineering, and CI/CD. Comfortable mentoring junior developers
and driving technical decisions within Agile teams.

Skills
Back-End: C#/.NET (.NET Framework 4.8+, .NET Core 5+), ASP.NET Core, EF Core, Dapper
Front-End: Angular, TypeScript, JavaScript, jQuery, HTML/CSS
API: REST, gRPC, SignalR
Data & Messaging: MS SQL (T-SQL, stored procedures, performance tuning), MongoDB, Redis,
RabbitMQ
Infrastructure: Docker, Kubernetes, Nginx, Consul, Vault, ArgoCD, Dynatrace
Cloud: AWS (EC2, Lambda, SQS, SNS, S3, CloudFront, CloudWatch, API Gateway, Secrets Manager,
DynamoDB); Azure (Web Apps, Logic Apps, Functions, Key Vault, Service Bus, SQL)
DevOps: Azure DevOps, TeamCity, GitLab CI
Engineering: Clean Architecture, OOP, DDD, TDD, algorithms and data structures, monolithic/microservice
and distributed environments, unit and E2E testing
Languages: English (B2), Ukrainian
Experience
Senior Software .NET Engineer, PJSC BANK VST, Kyiv, UA May 2023 – Present
E-commerce team at a top-20 Ukrainian bank, delivering payment and checkout solutions for large retail
merchants.
• Utility bill payment gateway — online gateway connecting the bank to utility merchants nation-
wide; card payments, Apple Pay and Google Pay with 3-D Secure. Feature design and implementation,
resilience and fault-tolerance improvements, cache-correctness fixes, Kubernetes migration and CI/CD
support.
• Checkout platform for major merchants (KFC, Silpo, gyms, gas stations) — BNPL, account-
to-account transfers, card and tokenized-card payments, Apple Pay and Google Pay with 3-D Secure.
Feature design and implementation, resilience improvements, code review, Kubernetes migration and
CI/CD support.
• Unified QR-code payment system for restaurants — single QR-code solution for fast in-venue
payments.
• Achievements: delivered a bank payment portal integrated with 30+ major merchants across
Ukraine; refactored a monolithic backend into microservices, improving maintainability and scala-
bility and shortening feature delivery time; support 10+ microservices in production.
• Tech: C#/.NET Core, ASP.NET Core, EF Core, gRPC, REST, MS SQL, MongoDB, Redis, Rab-
bitMQ, Docker, Kubernetes, AWS, TeamCity, Consul, Vault.
Middle Software .NET Engineer, N-iX, Chernivtsi, UA Feb 2022 – May 2023
Full-stack development of software for the international agricultural sector, from farmers to agribusiness.
• Power BI dashboard service (greenfield) — built end-to-end a service for converting Power BI
dashboards for agribusiness analysts on internal teams; owned CI/CD pipelines and release automation
across environments; authored test cases and release plans.
• Crop-analysis platform (legacy) — service for comparing sowings across seasons, combined with a
seeding calculator that accounts for crop nutrition; maintained and optimized the API and delivered
features aligned with business needs.
• Achievements: migrated logic from a SQL procedure that took 6 hours to process a file into a
backend application, cutting processing time to 1 minute; reduced response time of the legacy system
by 10% on both client and server sides.
• Tech: ASP.NET Core, Angular, Azure, MS SQL.
Junior Software Engineer, GlobalLogic, Kharkiv, UA Oct 2020 – Mar 2022
Back-end development and support of B2C solutions for internal and external Microsoft partners.
• Cloud automation for Microsoft partners — built solutions with Azure Logic Apps, Azure
Functions and Microsoft RPA; developed web applications; researched tools and methods to automate
form filling for partners.
• Achievements: designed a file attachment control on the portal side, significantly reducing the time
required to load media files into Microsoft Dynamics 365 CRM.
• Tech: ASP.NET MVC, jQuery, Azure Logic Apps, Azure Functions, Microsoft RPA, Dynamics 365.
Education
• Master of Computer Science, Kharkiv National University of Radio Electronics Sep 2021 – 2023
• Bachelor of Computer Science, Kharkiv National University of Radio Electronics Sep 2017 –
Jun 2021

Achievements
IEEEXtreme — Competitive Programming Nov 2022
5th place in Ukraine, 1261st globally out of 10,000 participants.