Aliaksei Krents

Senior Full-Stack .NET Engineer with 10+ years of experience designing and delivering scalable enterprise applications across logistics, finance, SaaS, and customer operations domains. Strong expertise in C#, ASP.NET Core, React, Angular, REST APIs, microservices, SQL Server, and Azure cloud-native architectures. Proven experience leading full Software Development Lifecycle (SDLC) initiatives including system design, backend engineering, frontend development, cloud deployment, CI/CD automation, and enterprise integrations.

Experienced in building secure, scalable, and high-performance distributed systems while integrating AI-powered automation and intelligent business workflows into enterprise platforms.

# Senior Full-Stack .NET Engineer

SoftKraft | Germay | Apr 2024 - Apr 2026

• Architected and delivered scalable enterprise logistics and operations platforms using C#, ASP.NET Core, .NET 8, React, Tailwind CSS, and Azure, supporting shipment lifecycle management, customs processing, customer communications, and financial workflows across global operations while leading full Software Development Lifecycle (SDLC) activities in Agile/Scrum environments.
• Designed and developed high-performance microservices and backend APIs using ASP.NET Core Web API, Entity Framework Core, REST APIs, GraphQL, PostgreSQL, and SQL Server, enabling secure integration with ERP systems, carrier platforms, customs services, and third-party logistics providers.
• Built intelligent workflow automation and AI-powered business services using C#, .NET, Azure OpenAI, LangChain, Azure Functions, and distributed microservices, automating shipment exception handling, adaptive routing, customer notifications, and operational decision-making processes.
• Engineered document processing and semantic search solutions using Azure Document Intelligence, OCR pipelines, Azure Cognitive Search, OpenAI embeddings, vector search, and PostgreSQL, enabling automated customs/VAT processing and natural language access to compliance documentation with source-grounded responses.
• Developed real-time event-driven systems and operational dashboards using Azure Service Bus, SignalR, webhooks, React, TypeScript, Tailwind CSS, and GraphQL/REST integrations, improving shipment visibility, analytics, reporting, exception management, and customer communication workflows.
• Containerized and deployed cloud-native applications using Docker, Kubernetes, Azure Kubernetes Service (AKS), Azure DevOps, GitHub Actions, and CI/CD pipelines, collaborating closely with product managers, QA engineers, DevOps teams, and stakeholders to deliver scalable, secure, and highly available enterprise solutions.

# Experienced Full Stack .NET Engineer

Monterail | Warszawa, Poland | Dec 2021 - Mar 2024

• Architected and delivered AI-powered Computer Vision platforms using C#, ASP.NET Core 2.2/3.1, Azure Cognitive Services Computer Vision API, OpenCV, and Azure, enabling scalable object detection, image classification, OCR, automated tagging, and intelligent visual data processing across enterprise applications.
• Designed and developed high-performance backend services and image-processing pipelines using ASP.NET Core Web APIs, REST APIs, Azure Blob Storage, asynchronous processing, SQL databases, and distributed processing patterns, supporting parallel image inference, metadata extraction, semantic indexing, and ML-ready dataset generation.
• Built OCR, annotation, and visualization solutions using Azure Computer Vision Read API, Angular 8–10, TypeScript, Tailwind CSS, Fabric.js, and HTML5 Canvas, enabling handwritten text extraction, bounding box rendering, assisted labeling, confidence review, and human-in-the-loop validation workflows.
• Led full Software Development Lifecycle (SDLC) activities including architecture design, API integration, frontend development, testing, CI/CD automation, deployment, and production support, delivering scalable, secure, and maintainable cloud-native solutions on Azure App Services and Azure Blob Storage.

# Full-Stack Engieer

Vilmate LLC | Warszawa, Poland | May 2019 - Nov 2021

• Modernized a legacy bus ticketing platform using Blazor Hybrid, Blazor, .NET MAUI, C#, and ASP.NET Core, delivering cross-platform web, mobile, and desktop applications with a 90%+ shared codebase and consistent user experience across devices.
• Designed and developed scalable backend systems using ASP.NET Core, Entity Framework Core, REST APIs, GraphQL, gRPC, WebSockets, MS SQL Server, Azure PostgreSQL, Redis Cache, Kafka, and RabbitMQ, supporting high-volume booking, payment processing, and real-time ticketing operations with optimized performance and low latency.
• Built cloud-native microservices and event-driven architectures using Docker, Kubernetes, Azure Container Apps, Stripe API, and distributed messaging patterns, enabling automated payment reconciliation, invoice workflows, scalable deployments, and real-time transaction processing.
• Implemented enterprise-grade security, monitoring, and notification systems using OAuth 2.0, JWT, SSL/TLS, RBAC/ReBAC, Azure Application Insights, Grafana, and Twilio, ensuring secure access control, centralized observability, and real-time operational alerts.
• Led full Software Development Lifecycle (SDLC) delivery including architecture design, frontend/backend development, API integration, testing, CI/CD automation, deployment, monitoring, and production support within Agile cross-functional teams.

# Junior .NET Developer

Euristiq | Warszawa, Poland | Sep 2017 - Apr 2019

• Assisted in developing internal business systems and customer portals using C#, ASP.NET MVC, JavaScript, and SQL Server.
• Built responsive UI components and administrative dashboards using Bootstrap, HTML5, CSS3, and AngularJS.
• Supported backend API implementation, Third-Party API Integration, bug fixing, and feature enhancements for enterprise web applications.
• Worked with senior engineers on database maintenance, debugging, and application performance improvements.
• Participated in Agile/Scrum development processes including sprint planning, testing, code reviews, and deployment support.
• Contributed to documentation and production support activities across multiple client projects.

Bachelor's Degree in Computer Science

Belarusian Trade and Ecomics University of Consumer Cooperatives (BTEU)

Sep 2013 - Aug 2017