Tech leading backend API for AI DePIN crypto project. - Led a cross-functional team of 9 (5 backend engineers, 2 QA, 2 frontend) to build and maintain the core API- Helped team grow technical expertise through mentorship and guidance- Introduced unit and integration API testing, reducing reliance on manual QA and increasing reliability- Set up a clear release process, allowing us to release weekly instead of monthly- With help of team implemented project integration with staking smart contract

In my role, I have been dedicated to the Account Payables management experience through the development and maintenance of services. - Communicated with product managers defining solution requirements and suggesting ideas for product.- Defined backlog and strategic improvements for product from tech side- Delivered features for invoices service making product profitable- Built OCR service to extract invoice data from PDF files, using AI tools (Metamaze, GPT-4 and etc.).- Designed and implemented an approval policies service from scratch.- Participated in the development of a small language for describing invoice approval processes- As a member of the API Council, participated in all API solutions (results can be found here https://docs.monite.com/reference/base-concepts).- Implemented integration with accounting software such as Codat, Xero, and etc.- Architecturally designed e-Invoice integration.- Worked on services with API versioning- Onboarded new developers, helping them understand our solutions and defined onboarding tasks

Built backend for e-scooters in the biggest player on the market.- Migrated highload endpoints from monolithic on Java to AWS Lambda on Python and optimised execution time from 5-10s to 20-30ms.- Added a new OTP authentication method by phone call, which is cheaper x5 than sms.- Developed Pytest autotests project which increased application availability.- Participated in transfer from a third-party service to our own - ETL process to synchronised data, new api.- Refactored and wrote new registration microservice on FastAPI to be able to process new users from different countries.- Participated in architectural discussions, worked out development methodology for serverless application

Developed a product for leasing companies:- Designed the database structure for leasing software.- Made new features for lease calculator. Refactored the existing code for the calculator framework.- Participated in the project of transition to IFRS.- Developed a huge CRM and ERP system projects.- Participated in the design development and implementation of ERP products for large industries- Accompanied the project of the client of the dealer and service of Volkswagen and Skoda cars- Designed and implemented new features customers ERP system.

I worked in an outsourcing company developing internal tools.- Developed chatbot integration with the company's CRM allowing working with tasks on any platform- Built a platform for marketplaces in Telegram