Experience

Diagnocat

• United States
• Software Development
• 1 - 100 Employee

• Senior Software Engineer

  • Jun 2021 - Present

  Backend engineer role at Diagnocat, a platform where dentists can upload their studies (3D CT scan, 2D), collaborate and request machine analysis that shows teeth pathologies and conditions. * Maintained legacy backend services written with Python, GraphQL and PostgreSQL * Redesigned backend to a more microservice like architecture, performed backend refactoring by introducing new services and technologies like Kafka & protobuf for interservice communications and gRPC for client-backend interaction. * Wrote and maintained a few new microservices that either provide new functionality or replace old legacy code, used Go, MongoDB, Redis and gRPC * As the result of everything above was performance improvement, increased application stability and some new vital functionality Show less



TechnoDiasoft

• Russian Federation
• IT Services and IT Consulting
• 1 - 100 Employee

• Senior Software Engineer

  • Nov 2020 - Apr 2021

  Backend software engineer at integrations department at IoT (Internet of Things) division. * Developed a web admin panel backend with Go and MongoDB, so our other developers and responsible staff could find and control devices connected to our IoT cloud and also see and edit device models categories, attributes etc. * Implemented OAuth authorization support for third-party IoT clouds by introducing new microservices written with Go and MongoDB. Developed an API that our mobile applications could use to provide this functionality to an end-user. * Designed and developed an integration layer for third-party IoT devices so our cloud could work with them like with native ones. Used Go and PostgreSQL. Show less



StoreMood

• Germany
• Technology, Information and Media
• 1 - 100 Employee

• Software Engineer

  • Apr 2019 - Aug 2020

  Software engineer with some R&D responsibilities. * Designed and developed a number of backend services with Go, MongoDB and gRPC for things like: uploading user photos and videos (we used Amazon S3 Cloud Object storage), listing and selling them at our web application shop, some CRM functionality. * Was solely responsible for design and development of our cutting-edge feature of facial recognition search, so our end-users could find and buy their photos by just making a selfie at our online shop. For this I wrote a few microservices with Go, Python, MongoDB and NumPy. Implemented support for two versions of search: with our own model based on open-source CNN and with Amazon Face Rekognition. * Designed and developed an AR (Augmented Reality) mobile application using Unity3D, C# and MAXST AR framework that our company used for marketing purposes. Show less



YABBI LLC

• United States
• Biotechnology
• 1 - 100 Employee

• Full Stack Engineer

  • Mar 2017 - Apr 2019

  Fullstack and backend engineer roles at programmatic advertisement company. * Maintained and developed DSP (Demand-Side Platform) with Go, MongoDB and Aerospike, a main and quite loaded service that makes bids and buys user traffic from SSPs (Supply-Side Platforms) in order to show our our customer's ads to users and some other functionality. As the result this service could perform under high RPS conditions and could be scaled horizontally. * Introduced data-driven bids and all related functionality, based on data from our DMP (Data-Management Platform) partners, so our customer's advertisement campaigns could be more targeted. * Integrated dozens of new SSPs (trafic providers) via OpenRTB, a JSON&HTTP-based protocol. * Developed a specialized web-application that our traffic managers used to set up and control advertisement campaigns. Used JavaScript, Mithril.js, jQuery (at some point) for client side and Go and MongoDB for backend. * Developed progressive ad banners using various browser APIs for some unconventional features like mobile accelerometer, HTML video elements, video-game mechanics etc Show less