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Gennady Grishkovtsov Result-oriented Software Engineer with a thorough understanding of web development and a track record of over 10 years of experience. Proficient in creating efficient microservices, designing architectures, and optimizing databases. Specializes in Ruby on Rails , PostgreSQL , and GraphQL . Continuously expands knowledge by learning new technologies, currently expanding expertise in Go . Minsk, Belarus Skills Hard Ruby, JavaScript, Go Ruby on Rails, Node.js PostgreSQL, Redis, MongoDB, Realm Vue, React, React Native RSpec, Jest REST API, GraphQL Microservices, RabbitMQ, ActiveMQ, Kafka Docker, Amazon ECR DataDog, Git Soft Communication Teamwork Problem-solving Research Work Experience

School Learning basic Blockchain Knowledge and Designing Blockchain Program using Solidity. Deep Studying in DeFi projects like Compound, Uniswap. Learning DeFi contract v ulnerability by reproducing attacks off-line and how to fix it. Implement Final Project About DeFi sports lottery. repo link AugustDecember 2022 Backend Developer(Ruby on Rails) • Hahow for Business 好學校 Design architectures, implement medium to large sized features to build online learning management systems. Develop and maintain both RESTful APIs and GraphQL for web-based and mobile applications with Ruby on Rails and PostgreSQL. Using GraphQL for features

production. Establish goals and tasks for team. Recruiting our team, being operation officer. Front-end, back-end technical support. Agile/Lean Software Development (Kanban/Scrum hybrid) Website: https://commandp.com 、 https://commandp.com.cn Senior Web Application Developer at Tarokosoftware, SepApr 2015 Implement new features in Ruby, HTML, CSS, and Javascript. Build and manage 30+ linux VPS servers provisioned with CHEF Design and architect 2 applications. Projects: https://resumecompanion.com/ 、 https://resumegenius.com/ Web Developer at

stripe,paypal , and other payment gateways. Also, create an api for mobile apps. Laravel • Thirtyfour SeptemberMay 2018 Working as a laravel developer and also working on jquery. I am creating a resume builder website in full jquery, and also working on the laravel e-commerce platform. Ruby and rails / Laravel • Uimatic AprilSeptember 2017 I have been working as a ruby and rails developer for 6 months.After that I shifted to Laravel. EducationM Institute BCAGNDU Class XIIG.S.S. School Class X Skills Practical Ruby On Rails Wordpress BOOTSTRAP Laravel

https://github .com/softking229 Work Experience Ruby on Rails Developer • SEMi Medical Solutions AugustDecemberAnalysis and design of medical management platforms (Rails 2.3,Development of few platforms each of them responding to the need of specific sectors in the healthcare system. Ruby on Rails Developer • PF Michigan Group dba Planet Fitness MayAugust 2020 Implemented backend with Ruby on Rails as an experienced developer. Full Stack Developer • M&M Food Market MarchMay 2020 Worked as a full stack developer. Used Laravel for backend and implemented front-end with React. Full stack Developer

Rumble Huang Hi, I'm Rumble Huang, a full stack Ruby on Rails developer with back-end, front-end and server management skills. And also an indie game maker.  Senior Software Engineer Taipei, Taiwan [email protected] Skills Programming languages Ruby Javascript Frameworks Ruby on Rails React RGSS Experience Chief Engineer Aug 2016 ~ now • Optimize PaGamO website speed. Reduce the number of requests from 163 to 60 and page size from 9.8MB to 2.7MB. • Improve PaGamO's rendering performance. Reduce the CPU usage from 18-23% to 11-15

PM，具備對內跨部門協調和溝通能力，能和廠商討論技術上遇到的問題，跨部門召開產品進 度會議，並協調工作上進度排程。 Ruby On Rails Developer ASTRO Camp 在自學程式一些時間之後發覺為了能更符合業界內容，決定參加ASTRO Camp接受更加完整全端技能開發訓練，並