Description: The application is designed to give loans Team: 3 BA, PM, 3 Frontend, 5 Backend (Node), 2 Devops, 2 Python.
My Role: Designing and implementing system components (also for CRM), working closely with QA and DevOps, resolving bugs, and preparing technical documentation and TOR.
1.Redesigned the integration system with the debt collection agency to ensure that only safe and permitted data is transmitted.
2.Designed and launched a loan upsell system that increased the average loan size by 24%.
3.Led the architecture of a deferred noti?cation system, enabling rejection messaging and partner promotion.
4.Created a modular, multi-stage internal status system that works with various entities and logical branching, using Clean Architecture patterns and the State Machine design patternIntegrated 2 PSP

Description: The application is designed to create Android and iOS mobile apps using a web constructor. The app can work with APIs and local databases. Users can configure the UI and UI variables.
Tech stack: TypeScript, NestJS, Express, Microservices, TypeORM (PostgreSQL), NestJS Testing, class-validator, class-transformer, Android (Jetpack Compose, Media3, Navigation Compose), iOS (SwiftUI, UIKit, Swinject), SSH, CI/CD, Git (as an internal VCS), Docker, Docker Compose, RabbitMQ, Handlebars.
My Role: I was the sole back-end developer, working under the guidance of a more experienced programmer. I handled the entire back-end work, from implementing Git as the VCS for the project to working with custom engines that generated Kotlin and Swift code.
1.Built iOS code generation engine from scratch.
2.Developed secure content-sharing system using CQRS and caching
3.Implemented multi-layered validation using graph-based logic
4.Created a custom app versioning mechanism based on Flowers with key frames
5.Implemented AI Assintant for generation data for engines (Socket.io, OpenAI API)