Hristo is a Senior C#/.NET Engineer with 20+ years of experience in databases and architecture, N-tier information systems, API development, and architecture. He strives for a good balance between design and performance and produces optimizations that help clients to reduce costs, scale cloud infrastructure, and free up employee time. Hristo's current interests include Machine Learning and Big Data, where he is trying to implement his previous experience.
Led a back-end team in developing Boucoup, a mobile banking app aimed at safe online banking and youth financial literacy for credit unions (integrated with Janusea and Symitar for secure, seamless transactions).
Back-end Development
Team Leadership
Banking & Finance
Moonlimit AAS
Co-founder
2021 - 2022 (1 year)
Sofia, Bulgaria
Developed software solutions for fully autonomous drone operations.
Drones
Artificial Intelligence (AI)
DraftKings Inc.
Back-end Developer
2020 - 2021 (1 year)
Sofia, Bulgaria
Worked on betting settlement microservices using .NET Core on Docker/Kubernetes stack, Kafka, and MongoDB.
Worked on EasyCredit systems using WinForms, DevExpress, MS SQL.
Designed and developed the Viva Credit website back-end RESTful service and worked on technical design documentation using .NET Core 2.1, EF Core, SQL Server.
Worked on the data back-end system for Synergy Sports Technology using C# and MongoDB.
Performed system analysis, design, development, and unit testing of a batch mobile and web electronic bill payment provider and eCommerce application.
Developed applications using sound accessibility practices and techniques in creating flexible solutions for HTML and PDF rendering of various types of invoices and other documents.
Maintained existing applications on the platform fixing bugs, conducting routine and mandated maintenance, and fixing functional and performance issues.
Selected features and built and optimized a custom ERP system with a focus on extensibility, robustness, and novel software paradigms.
Integrated a new PostgreSQL database to replace Firebird, leading to increased data security, scalability, and reduction in the development of new data entities and workflows.
Designed and deployed a new Windows client through a dynamic rendering system using DevExpress components.
Developed 3 products: 1) A data warehouse solution - worked together with 4 other team members, responsible for the main database design, ETL, storage, and optimization; 2) A real-time transaction game reporting to Spanish Gambling Regulator (DGOJ), executed as a Windows service; 3) An AI VIP detector, a tool for finding VIP players using AI - worked on Machine Learning coding using C#, data analysis, and transformation.
Worked on a poker game in collaboration with 3 people, acting as a technical lead and responsible for the project architecture and game engine. Undertook a second project - an Interactive Gambling KIOSK, porting Windows games to Linux. Supervised and coordinated 3 teams with 12 people in total.
Developed an electronic bill payment provider and an eCommerce application in collaboration with 5 other developers. Created a risk and fraud detector used as a firewall to the website and the payment service.
This dissemination plugin removes or masks sensitive data of chemicals protected by a company's intellectual property rights. Worked with another developer and wrote the dissemination plugin in Java.
