A software craftsman with ten years of production experience in building web and mobile applications in agile teams. Possesses a strong business attitude; earns and saves money for organizations using his software development skills. Sells his expertise for $4000 per month of full-time work. TECHNICAL SKILLS Paradigms, Methodologies & Practices: Waterfall, Agile, Lean, Scrum, Kanban, DevOps, XP, TDD, BDD, DDD, Continuous Integration, Continuous Deployment, Continuous Delivery. Programming Languages: JS, TypeScript, Python, Go, Java, Clojure, C, C++. Markup Languages: HTML, SVG, XML, Markdown, TeX. Style Sheet Languages: CSS, SASS, Stylus. Query Languages: SQL, XPath, GraphQL, GQL. Command Languages: Bash, Zsh. Front-End Technologies: Web APIs (DOM, Web Components, etc.), React, React Native, Storybook, styled-components, Redux, MobX, Apollo Client, Axios. Back-End Technologies: Node.js, Express, Apollo Server, gRPC, PostgreSQL, MySQL, MongoDB, Redis, Neo4j, ElasticSearch, RabbitMQ, AWS (EC2, S3, Lambda, CloudFormation, DynamoDB, SQS, ELB), Docker, Kubernetes, Gitlab CI/CD. WORK EXPERIENCE XPower Ltd. Technical Leader June 2019 → September 2020 Remote Led effort to refactor back end services and ERP web application in order to improve UX metrics. Consolidated AWS lambdas into a microservice mesh; introduced a tenant-based architecture; redesigned over 200 React components and reorganised web application in the micro frontends architectural style. Provided personal efficiency coaching and technical training to team members thus improved team velocity by 15%. Efforts of my team improved back end response time by 70% and cut AWS bills by $4500/mon approximately. Core Web Vitals were improved by 40% on average. Deem Inc. Senior Software Engineer June 2017 → March 2019 Remote Designed and implemented web and mobile applications for corporate booking. Redesigned back end storage layer in order to improve consistency and performance. Provided personal efficiency coaching and technical training to team members thus improved team velocity. Au Vieux Campeur Paris Senior Software Engineer May 2015 → April 2017 Remote Designed and implemented mobile application along with a cloud-based back end for a retail store network. Designed front end storage layer optimized for code sharing among web and mobile applications, thus achieving 40% of code shared. Redesigned back end storage and migrated it from a document store to a relational database, achieving 3x performance boost of typical queries. Eastwood Labs Senior Software Engineer July 2014 → May 2015 Penza, Russia Led an effort to refactor CMS and an emailing service of the most popular head recruitment website of the Eastern Europe. Improved UX metrics by 50-80% and back end performance by 75%. Designed and implemented corporate mobile JIRA client integrated with internal services. Coached team members in systems design, DDD and functional reactive programming. Tranio.ru Middle Software Engineer Jan 2013 → May 2014 Moscow, Russia Migrated web application to React components from JQuery plugins. Redesigned back end services in order to improve performance and maintainability. Implemented infrastructure for A/B testing.