Andrey Klisheiko

AI Sales Optimization - Senior Software Engineer

Domain: Sales Optimization / AI Solutions

Technologies used: Python, TypeScript (Node.js), Azure Functions, Azure AI Search, Azure Cosmos DB (NoSQL), OpenAI Embeddings, REST APIs, Git, CI/CD Pipelines, Bicep, Microsoft Azure Cloud Services

• Designed and implemented backend services using Azure Functions in Python and TypeScript (Node.js) to support AI-driven sales optimization workflows.

• Built a Retrieval-Augmented Generation (RAG) system, including document text extraction, structural chunking, embedding generation, and semantic search capabilities.

• Integrated Azure AI Search for document indexing and semantic retrieval to enhance contextual accuracy of AI responses.

• Developed data pipelines for generating embeddings and persisting them in Azure Cosmos DB (NoSQL) to support scalable vector storage and querying.

• Designed and deployed cloud infrastructure using Bicep, automating resource provisioning and ensuring environment consistency across deployments.

• Implemented CI/CD pipelines using Git-based workflows to streamline application and infrastructure deployment processes.

• Collaborated with stakeholders to refine AI solution requirements and ensure scalable, secure, and production-ready implementations.

Senior Software Engineer – Lead Backend Engineer

Domain: Client Project - Heavy Machinery Fleet Management.

Technologies used: C#, .NET, Python, TypeScript, React, Azure Functions, REST APIs, Microsoft Azure Cloud Services, T-SQL, Entity Framework

• Acted as the lead backend engineer, owning API development from requirements gathering through implementation, testing, and delivery.

• Designed, implemented, and maintained REST APIs powering core application features, including budgeting workflows and dynamic budget bar visualization logic.

• Developed backend logic for machine buy/sell/move recommendation engines, supporting data-driven operational decisions.

• Implemented services supporting dashboard metrics and fleet-level analytics to provide actionable insights for business users.

• Managed cloud deployments on Microsoft Azure, ensuring high availability and reliable performance across environments.

• Ensured uninterrupted project delivery during a resource-limited period by mentoring and guiding junior developers to maintain development velocity.

• Independently delivered major updates to budget logic and related APIs during an on-site client session, adapting to evolving requirements without rework.

ADM Investment Services - Senior Software Engineer
Chicago, United States
August 2019 - October 2021
Domain: Trading systems.
Technologies used: C# (.NET Core 3.1, 5), JavaScript, React/Redux, CSS,
HTML5, DevExpress(DevExtreme), Google Material UI, Microsoft Graph API,
Microsoft Azure Cloud, Entity Framework, Microservices, T-SQL, QuickFix
Responsibilities:
• Analyzed project requirements and specifications, developing highly scalable and robust backend services and front-end applications using the .NET Core framework and React/Redux.
• Collaborated closely with business and risk analysts, as well as infrastructure
specialists, to deliver high-availability solutions for mission-critical
applications.
• Developed specialized software for trading clients, ensuring compliance with
all applicable regulatory and legal requirements.
• Engaged with internal clients to provide updates on project status, review
new project proposals, and address technical challenges related to software
development.

Argo SE, Inc - Software Developer
Buffalo Grove, USA, IL
2013 - August 2019
Domain: Trading Systems.
Technologies used: C#, WinForms, DevExpress, Nhibernate, Entity
Framework, Microservices, ADO.NET , WCF, T-SQL, MySQL, PostgreSQL, QuickFix, NUnit, TortoiseSVN, Java.
Responsibilities:
• Designed and developed WinForms applications with DevExpress
components, enabling seamless communication with high-frequency trading platform servers.
• Built microservices with WCF for asynchronous messaging, supporting efficient inter-service communication.
• Integrated MS SQL, MySQL, and PostgreSQL database systems with front-end applications and microservices to ensure consistent data management.
• Implemented the QuickFIX protocol to support FIX4.4 specifications, enhancing communication between front-end and back-end systems.
• Analyzed requirements, conducted logical assessments, and resolved complex technical issues throughout the design and development process.
• Collaborated closely with the operations desk and clients to establish specifications and guide product design.

Domain: Mining

• Technologies used: C#, SQL, White Test Framework

Responsibilities:

• Developed and maintained automated tests using White test framework.
• Developed automation test suites for functional and regression testing.
• Worked with business, quant analysts, developers to define requirements.
• Discussed requirements and processes with project managers and developers.
• Utilized Jenkins to run automation scripts.
• Increased software reliability, performing thorough regression tests to ensure seamless performance after updates.

Domain: Data warehousing

Technologies used: T-SQL, Aginity Netezza Workbench, Cognos BI 10.1, SQL Server Management Studio 2008,Oracle SQLdeveloper, JMeter Description.

Responsibilities:

• Developed scripts using T-SQL for assurance of the accuracy and consistency of data warehouse and ETL processes.
• Developed and performed test suites for functional testing of Cognos BI, SSRS, SpagoBI, Jaspersoft reports.
• Developed test suites for performance and load testing.