Alex Slepenkov
Alex Slepenkov

Senior Software Engineer

Open to offers · Member since 20 Jan 2026
Location
Astana, Kazakhstan
Desired salary
from 30 USD/hourly
Work preference
Remote Only / Full Time
Experience level
Senior

About

Professional summary

I am a Senior Software Engineer specializing in agentic engineering, .NET, AWS, and scalable TypeScript platforms. I have more than eight years of .NET experience and more than four years of experience delivering cloud-based TypeScript solutions.

I build AI agents, tools, reusable skills, and execution harnesses that support the complete software development lifecycle, from design and implementation to testing, code review, deployment, and automated quality gates.

I have designed distributed integrations between legacy .NET systems and cloud-native REST APIs, with a focus on horizontal scalability, reliability, idempotent processing, retries, and maintainable service boundaries.

My technical background includes AWS, Kubernetes, Terraform, CI/CD, observability, relational and NoSQL databases, microservices, Clean Architecture, CQRS, DDD, and test-driven development.

I enjoy solving high-impact performance and reliability problems, mentoring engineers, and building production-ready AI-assisted developer tooling. I am open to remote opportunities and relocation.

Skills

29 capabilities

Tech stack & tools

Working toolkit

Analytics

Application Hosting

Languages & Frameworks

Experience

Career history

Senior Software Engineer EPAM Systems

Built agentic debugging tools for .NET and JavaScript that autonomously identify root causes. Developed an AI code-review assistant and reusable AI skills, tuning the agent harness for reliability and output quality.

Migrated services from .NET 6 to .NET 10 and delivered React/.NET functionality with AI agents. Designed distributed integrations between legacy .NET systems and cloud-native REST APIs on AWS using Lambda, SQS, SNS, S3, IAM, Terraform, idempotent processing, retries, and dead-letter queues.

Improved API latency by 35% for high-load database operations through indexing and data-retrieval improvements. Operated Kubernetes services with logs, metrics, and alerts; developed end-to-end tests; maintained GitLab CI/CD pipelines; and mentored junior engineers.

Software Engineer 2GIS

Built an ETL pipeline that processed more than 200 million rows per day to support near-real-time analytics.

Reduced deployment time from one hour to ten minutes through TeamCity pipeline improvements. Built an Excel-to-SQL tool that saved approximately ten hours of work per week.

Software Engineer FG BCS

Delivered backend features supporting a data warehouse environment and reporting workflows.

Improved reporting efficiency by 25% through development and support of DWH-focused backend functionality.

Junior Software Engineer XTools Pro

Built asynchronous task-queue functionality for geodata search integrated with ArcGIS.

Developed Excel-to-ArcGIS connectors to support data exchange and geospatial workflows.

Junior Software Engineer EPAM Systems

Built custom VSTO-based user interface controls for the Microsoft Office suite.

Improved the onboarding experience through tailored Office tooling and interface components.

Education

Learning history

Novosibirsk State University

M.Eng., Computer Science and Engineering

Master of Engineering degree in Computer Science and Engineering.

Karaganda State Technical University

B.Eng., Information Systems

Bachelor of Engineering degree in Information Systems.

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