Alexander Ukhanov Email & Phone Number

Украина

The client is a UK-based large global company with several digital retailers. It is the number one destination for shoppers who value flexible payment options. It receives over 2.2 million visits every day. The client is focused on modernising its existing systems and platforms, utilising a wider variety of modern, cloud-based technologies. Backend side implemented as completely serverless application, that has massive infrastructure based on AWS and maintained by IaC (Terraform).Responsibilities:• Design and implementation features on serverless BE and FE• Write integration and e2e tests for BE(jest) and FE(cypress)• Implement possibility to test lambda and it's related environment locally• Refactor lambda handlers to adhere best practices• Investigate and fix errors while uploading massive file data• Participate in Scrum ceremonies, estimate tasks in daysTeam: engineering manager, tech lead 3 fullstack senior, 3 fullstack middle, 3 AQA senior, PM, DMTechnologies: Typescript, Terraform, Amazon services(Lambda, DynamoDB, SQS, API Gateway, s3, Step Functions, CloudWatch), Elastic, Jenkins, GitLab Pipelines, Serverless Framework, React, Jest, Cypress, LocalStack

Украина

The service allows linguists to annotate the questions/answers that were supplied by vendors. The UI is implemented as a survey with a multiple steps and conditions. Linguists must adhere to the project workflow that is automated on the backend side. For example, when a person has completed an annotation - another user should review the one and in some cases the quality check must be carried out by a third user. The purpose of the project is preparing verified data for ML that will be ingested.Responsibilities:• Creating generic workflow for ingestion, delivery and allocation processes• Refactoring old code to be generic and modern, getting rid of anti-pattern architecture• Refactoring DB structure, changing relations, data transfer• Writing functional and unit tests for NestJs modules• Writing generic UI surveys using json builder based on React, creating new generic components• Attending daily standup, participating in sprint demo/retrospective, sprint planning and groomingTeam: head of engineering, fullstack team lead, fullstack senior, fullstack midlle, 2 backend middle, AQA, QA, BATechnologies: Typescript, Nest.Js, MySQL, AWS, TypeORM, Sequelize, Jest, React.js, ejs

Remote

Project #1: The website is a graphic editor in which users can create their own design and send to print or download it to their computer in the following formats: PDF, JPG, PNG. Main entities: Designs, Templates, Images, Illustrations, Fonts, Lines, Shapes, Icons. Most of them are monetized(e.g. templates created by designers are free by themselves but may contain paid items). Payment is made through a Stripe checkout session, after which the webhook on the backend reacts to successful transactions and makes changes in the DB.Technologies: typescript, react, nest, mySQL, typeORM, rabbitMQ, pm2, redux, redux-saga, konva, react-konva, konva-node, canvas, axios, unsplash-js, material-ui, aws-sdk, pdf- lib.Project #2: Gartner analytical website dedicated to cloud solutions, network performance, availability, providers, products, implemented as a batch of microservices connected to the gateway(apollo federation). I've been developing DB's architecture, CRUD operations, mailing, pagination, creating services from scratch(e.g. task service, docker management service), interacting with docker and AWS services and making other features in the project.Technologies: typescript, type-graphql, apollo federation, express, aws services(Lambda, SQS, SES, RDS, Redshift, s3), redis, docker swarm, mySQL, PostgreSQL, sequelize.