Антон

Loca on: Dnepropetrovsk region, Kryvyi Rih
Phone: [відкрити контакти](див. вище в блоці «контактна інформація»)
Kudriashov Anton Email: tohapowerli [відкрити контакти](див. вище в блоці «контактна інформація»)
LinkedIn: h ps://[відкрити контакти](див. вище в блоці «контактна інформація»)
.NET Developer kudriashov-9481001a9/
Telegram: @AntonKudriashov_LPN

PROFESSIONAL SUMMARY
.NET Developer with over 5 years of experience building high-load REST APIs, event-driven distributed systems, and complex
cross-pla orm solu ons. Expert in C#, .NET Framework 4.6, .NET Framework 4.8, .NET 6/8/10, and ASP.NET Core. Proven
track record in ntech (digital payments) and industrial automa on (K-Mine). Specialized in Clean Architecture, DDD, CQRS,
and asynchronous message-based systems. Experienced in integra ng C# modules into legacy C++ systems and developing
high-performance mobile applica ons via .NET MAUI na ve (iOS/Android).

WORK EXPERIENCE
.NET Developer Middle • Con den al FinTech Merchant Pla orm (B2B Payment Processing)
JUNE 2024 – MARCH 2026 Fintech services pla orm
High-Availability Services: Engineered and developed a high-availability service for processing nancial transac ons.
— Backend & Architecture: Developed and scaled high-load backend services using .NET 8/10 and ASP.NET Core Web API,
strictly adhering to Clean Architecture, Domain-Driven Design (DDD), Event-Driven Architecture (EDA), and CQRS
principles.
— Message Broker & Orchestra on: Designed and implemented asynchronous microservice communica on using
MassTransit and RabbitMQ. Developed complex stateful distributed transac ons via MassTransit State Machine Saga to
orchestrate mul -step nancial payments and automa c compensa on logic.
— Data Access & Databases: Designed normalized database schemas and op mized complex queries in MySQL and
PostgreSQL using En ty Framework Core (EF Core). Managed DB schema evolu on via automa c migra ons with zero-
down me produc on deployments.
— Third-Party Integra ons: Built secure and resilient integra on modules to consume medical and nancial data from
third-party providers via REST APIs (JSON/XML) with robust data valida on and error handling.
— CI/CD & DevOps: Containerized services using Docker and managed the automa on of build, test, and deployment
pipelines via GitLab CI/CD, reducing release cycles and ensuring high system reliability.

.NET Developer Senior / Lead Full-stack Developer (End-to-End) • Con den al FinTech Merchant Pla orm (B2B
Payment Processing) — Project: PayNova-X(Core) / PayNova Mobile Wallet
JUNE 2024 – MARCH 2026
— Role: Solely responsible for the en re product lifecycle: from database schema design, high-load microservices
architecture, and API security to integra on with external nancial network nodes and na ve-oriented cross-pla orm
mobile development.
— Tech Stack: .NET 8/10, ASP.NET Core Web API, MediatR, SignalR, EF Core, Repository & Unit of Work Pa erns,
FluentValida on, JWT (JSON Web Tokens) / ASP.NET Core Iden ty / OAuth2 / OpenID Connect, Serilog, Azure Container
Apps, Azure Database (PostgreSQL / MySQL / Azure SQL), Docker, Docker Compose, RabbitMQ, MassTransit, Prometheus,
Grafana, xUnit, Moq, FluentAsser ons, Testcontainers, .NET MAUI (iOS/Android), External Ledger & Payment Network
Nodes, External Market Data WebSocket/API, Azure DevOps, GitLab CI/CD.
— Microservices Architecture & DDD: Designed and implemented a resilient microservices architecture adhering strictly to
Domain-Driven Design (DDD), Clean Architecture, and CQRS principles. Modeled core nancial subdomains with clear
boundary context separa on.
— Real-Time Data Streams & SignalR: Integrated SignalR hubs and WebSocket clients to process live market cker updates
and exchange rates directly from external nancial data providers, streaming real- me price feeds to mobile and backend
consumers with low latency.
— Event-Driven Architecture & Orchestra on: Built asynchronous inter-service communica on using RabbitMQ and
MassTransit. Implemented stateful distributed transac on sagas (MassTransit State Machine Saga) to handle complex
mul -step nancial transfers with automa c compensa on and rollback mechanisms.
— Cloud Infrastructure & Containeriza on: Deployed and managed serverless microservice containers using Azure
Container Apps. Con gured Docker Compose for local development and tes ng environments.
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— Cloud Databases & Data Access: Provisioned, con gured, and managed cloud-hosted databases using Azure Database
services to back microservice domains. Designed normalized schemas, op mized complex queries, and managed
automated schema migra ons via EF Core with zero-down me deployment strategies.
— External Ledger Integra on & Backend: Engineered high-performance integra on layers for external nancial network
nodes. Developed transac on listeners, wallet sync mechanisms, and secure P2P transfer work ows.
— API Security & Resilience: Implemented high-level REST API security protocols, including secure token management,
payload encryp on, request valida on, rate limi ng, and defensive error handling for nancial interac ons.
— Observability & Monitoring: Integrated Prometheus for metrics collec on (system health, API response mes,
transac on throughput, background job performance) and built real- me dashboards in Grafana to ensure proac ve
system observability and alert monitoring.
— DevOps & CI/CD Pipelines: Built and managed automated con nuous integra on and deployment pipelines using Azure
DevOps Pipelines (and GitLab CI/CD) to automate tes ng, container image building, and deployment straight to Azure
Container Apps.
— Mobile App (Na ve iOS Focus): Built a high-performance cross-pla orm mobile payment wallet using .NET MAUI with
emphasis on na ve iOS architecture (custom iOS lifecycle management, secure Keychain storage).

.NET Developer Junior- Middle • K-Mine
AUGUST 2021 – MAY 2024 Industrial Automa on in Mining Sector
Increased the stability of the K-Mine applica on by iden fying and resolving cri cal bugs, leading to a 40% reduc on in user
support ckets and ensuring the uninterrupted opera on of key modules.
— Designed and developed an opera onal planning module that automated key technological processes.
— Developed and maintained a geosta s cal data module with OpenGL-based 3D model integra on, enabling geologists to
perform data analysis 3x faster.
— Integrated new C#/.NET libraries into the exis ng C++ codebase, extending applica on func onality without requiring a
complete overhaul.
— Developed an object recogni on module for photographs using AI services, automa ng the equipment iden ca on
process.

PROJECTS

PayNova-X & PayNova Mobile Wallet • Lead Full-Stack Developer (End-to-End)
— Domain: Distributed Digital Payments Pla orm & Cross-Pla orm Mobile Wallet.
— Tech Stack: .NET 8/10, ASP.NET Core Web API, SignalR, EF Core, Repository & Unit of Work, Azure Container Apps, Azure
Database (PostgreSQL/MySQL), Docker, Docker Compose, RabbitMQ, MassTransit (Sagas), Prometheus, Grafana, xUnit,
Moq, Testcontainers, .NET MAUI (iOS/Android), External Ledger & Payment Network Nodes, External Market Data
WebSocket API, Azure DevOps, GitLab CI/CD.
— Microservices & Distributed Systems: Designed and built a resilient microservices architecture applying DDD, Clean
Architecture, and CQRS principles. Implemented asynchronous message-based work ows with RabbitMQ and
MassTransit State Machine Sagas to orchestrate mul -step nancial opera ons with automated compensa on logic.
— Real-Time Market Data & External Ledger Integra on: Integrated SignalR hubs and external market data WebSockets for
streaming live market rates with low latency. Developed low-level integra on layers for external nancial network nodes
to handle transac on listeners, wallet sync, and P2P transfers.
— Cloud Infrastructure & Quality: Provisioned serverless microservice containers in Azure Container Apps, set up Azure
DBs, and established Prometheus + Grafana observability. Ensured high system reliability by wri ng unit/integra on tests
(xUnit, Testcontainers) embedded into Azure DevOps CI/CD pipelines.
— Mobile (iOS Focus): Developed a companion mobile payment app in .NET MAUI, op mizing na ve iOS lifecycle
performance, asynchronous execu on, and secure Keychain storage for cryptographic keys.

Con den al FinTech Merchant Pla orm (B2B Payment Processing) • .NET Developer Middle
— Domain: High-load payment processing pla orm and third-party data integra ons.
— Tech Stack: .NET 8/10, ASP.NET Core, EF Core, PostgreSQL, MySQL, MassTransit, RabbitMQ, Docker, GitLab CI/CD, REST
APIs.
— Key Achievements: Engineered high-availability backend microservices for nancial processing; built distributed
transac on work ows via MassTransit Sagas; integrated third-party nancial and medical REST services with defensive
valida on; automated zero-down me database migra ons and Docker containerized deployments via GitLab CI/CD.

K-Mine: Industrial Automa on System • Middle .NET Developer (System Integra on)
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— Domain: Comprehensive enterprise so ware for mining, geology, and 3D geological modeling.
— Tech Stack: C#, .NET Framework 4.6/4.8, C++/CLI, P/Invoke, OpenGL, SQL, Computer Vision AI.
— Hybrid Architecture (C++ / .NET Interop): Successfully performed complex integra on of modern C#/.NET libraries into a
legacy C++ codebase using C++/CLI and P/Invoke, enabling modern feature deployment (AI, modern APIs) without
rewri ng the legacy core engine.
— Opera onal Planning & 3D Analy cs: Designed a high-precision calcula on engine automa ng technological mining
processes (reduced shi -daily planning me by 60%); op mized OpenGL 3D data streams for 3x faster geological data
analysis and rendering.
— AI & Technical Impact: Developed an AI/Computer Vision photo recogni on module for automa c industrial equipment
tracking; xed over 50 cri cal kernel-level bugs, leading to a 40% reduc on in high-priority enterprise support ckets.

TECHNICAL SKILLS
— Languages: C#, C++/CLI, SQL (T-SQL, PL/pgSQL)
— Frameworks & Pla orms: .NET 6/8/10, .NET Framework 4.6/4.8, ASP.NET Core (Web API, SignalR), .NET MAUI (Na ve iOS /
Android focus), EF Core, Windows Forms, WPF
— Architecture & Design Pa erns: Domain-Driven Design (DDD), Clean Architecture, CQRS (MediatR), Event-Driven Architecture
(EDA), Saga Pa ern (State Machine), Repository & Unit of Work, Dependency Injec on / Service Locator
— Messaging & Event Streaming: MassTransit, RabbitMQ
— Cloud & Serverless Infrastructure: Azure Container Apps, Azure Database Services (PostgreSQL / MySQL / Azure SQL), Azure
DevOps Pipelines
— Containers & DevOps: Docker, Docker Compose, GitLab CI/CD, Git, SVN
— Observability, Metrics & Logging: Prometheus, Grafana, Seg, Papercut
— Automated Tes ng & QA: Unit & Integra on Tes ng, xUnit, Moq, FluentAsser ons, Testcontainers
— Databases & Data Access: PostgreSQL, MySQL, MS SQL Server, SQLite, Azure Database
— APIs, Protocols & Integra ons: RESTful API, gRPC, WebSockets, SignalR, JSON, XML, External Market Data WebSocket/API,
External Ledger Node APIs, Na ve P/Invoke & C++/CLI Interop
— Security & Resilience: REST API Security (Token Management, Rate Limi ng, Payload Encryp on, Defensive Valida on), Na ve
Keychain/Keystore (iOS/Android)
— Specialized Exper se: Advanced Asynchronous Programming (Async/Await & Deadlock Op miza on for iOS), High-Load API
Design, Distributed Transac ons (Saga), Legacy Engine Moderniza on
— IDE & Developer Tools: JetBrains Rider, Visual Studio, Postman, Infragis cs

EDUCATION & PROFESSIONAL DEVELOPMENT

Academic Educa on
— So ware Development Diploma | IT STEP Academy (2018 – 2020)
— Master's / Specialist Degree in Engineering | Kryvyi Rih Na onal University (2003 – 2008)

Corporate Internal Training & Upskilling (Con den al FinTech Merchant Pla orm (B2B Payment Processing)/
Enterprise Projects)
— Advanced Microservices & Distributed Architecture: Internal engineering program covering Domain-Driven Design
(DDD), Event-Driven Architecture (EDA), CQRS pa erns, and stateful distributed transac ons (MassTransit State Machine
Saga / RabbitMQ).
— Azure Cloud & Modern DevOps Prac ces: Enterprise hands-on training on containeriza on (Docker / Docker Compose),
serverless orchestra on via Azure Container Apps, Azure Database provisioning, and Azure DevOps CI/CD pipeline
automa on.
— Fintech Security, Observability & Real-Time Systems: In-house training on REST API security standards, high-throughput
streaming (SignalR / WebSockets), and system observability (Prometheus & Grafana).
— High-Performance Asynchronous Programming: Specialized internal workshops on thread safety, memory/CPU
op miza on, deadlock preven on, and na ve iOS lifecycle constraints in .NET MAUI.

LANGUAGES
— English: B2
— Ukrainian: Na ve
— Russian: Na ve
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