Anton Korepanov Email and Phone Number

Working on several projects as a full-stack developer. Company creating and selling clean-water vending machines. The system includes 20k+ IoT devices (custom hardware and firmware) on one hand, and 5k+ business owners on the other.* Develops a sub-system for Return on Investment analytics based on real sales from the devices and their capital and operational expenses.* Develops a Telegram notification channel: Telegram bot + backend notification system + authorization via token.* Develops tracking for the resource usage of filter purification stages for the clean-water devices, and notifications for their owners about the need to replace componentsTech stack: AWS | DynamoDB | Elastic Beanstalk | SQS (Simple Queue Service) | SES (Simple Email Service) | Lambda | Cognito | node.js | nest.js | react

A company of 50 people which design, develop and produce electric scooter motorcycles with telemetry modules that can be used both by private clients and scooter sharing services.Works on 3 separate projects: Scooter motorcycles for private users: App v2 (2021-2022)* Develops a cross-platform mobile app using Expo and React Native, node.js as BFF (Backend for Frontend)* Web SPA for technicians, which allows them to make diagnostics of the scooter, and it's owner could track the progress of technical check-up in real-time with notifications * also built-in shop with links to buying accessories and parts (like accumulators)Technology Stack React Native, React, Redux, Telit IoT Cloud, PostgreSQL, Bluetooth Low EnergyApp v1 (2018-2021)* Develops a cross-platform mobile app using C#/Xamarin Forms stack (Android/iOS) with .Net Core backend used to control a scooter * I use Telit IoT Cloud on the backend for gathering data, building analytics and controlling scooters remotelyTechnology Stack .Net Core 2.1, Xamarin, XCode, Telit IoT Cloud, PostgreSQL, Bluetooth Low EnergyScooter sharing services: * Develops a web app for clients and a back office web app for business partners for tracking and remote operation of scooter motorcycles* The software platform was purchased from a bankrupt scooter sharing company. I deployed it on our premises, then added Docker container-based scripts (docker-compose) for fast and robust update delivery* Upgraded the purchased software platform to support internationalization (i18n) from being German-only * Upgraded the purchased platform to support Telit IoT Cloud provider for gathering data, building analytics and controlling scooters remotely via mobile networkTechnology Stack Javascript/Typescript, hogan.js, express.js, moment.js, winston, Telit IoT Cloud, MariaDB, Let’s Encrypt, gulp, git/Gitlab, Gitlab CI/CD, Docker, docker-compose

A German startup that develops a “smart home united dashboard” that allows to control all IoT devices (lights, cameras, etc.) from different vendors with a single appDevelops a web-based UI for a Raspberry Pi smart home device. * Created a set of scripts that connects to a brand new Raspberry Pi device over Ethernet via SSH and does a full configuration, so that the device is ready for sale* Designed and implemented the AWS-based infrastructure that allowed to control smart home devices remotely via browser or Alexa Voice Skill* Implemented communication between Raspberry Pi and AWS IoT Core via shadowThing state synchronization based on MQTT protocol* Implemented user creation via AWS Cognito, binding a user to the device (security measure) via IAM and certificates, which are created and get through API Gateway and Lambda functionsTechnology Stack:Raspberry Pi, Ansible, Redis, node.js, jQuery/JQM, HTML5/CSS3, pug, git/Github, grunt, bluebird.js, async.js, indicative.js, node-snap7 AWS Cognito, AWS S3, AWS API Gateway, AWS Lambda, AWS IoT Core/shadowThing, AWS DynamoDB, Alexa Skill, AWS Cognito, AWS IAM, AWS CloudFormation, AWS CloudWatch, MQTT, EnOcean, Route53, Serverless Devices:Siemens Simatic S7-1200, Raspberry Pi, EnOcean USB Stick

Russian national electronic payment service providerDevelops and maintains cash kiosk owner’s back office built with C# and Javascript. The solution was used by partners in Russia, Columbia, Kenya, Hungary and Armenia, and provides them with analytics and reports.Technology Stack: Rhodecode, Octopus Deploy, CruiseControl.NET, mercurial/hg, fogbugz, ASP.NET Webpages, RegExp, MSSQL, ASP.NET MVC, apiary.io