Serhii Korol

Serhii Korol Software Architect, Technical Lead Filikis Etaireias 25, Thessaloniki, Greece,-https://linkedin.com/in/serhii-korol-46263a542 SUMMARY With a Bachelor’s degree in Mathematics and Computer Science and over 8 years of professional experience in both startups and enterprises, I am a technical strategist and support specialist specializing in leading products development from initial concept to successful launch. I excel in collaborating within teams of up to 5-20 members, fostering a high-performance culture, and driving innovation. My collaborative development style enables me to engage effectively in both technical and business discussions, whether internally or with clients. My expertise spans WEB2 and WEB3 sectors, leveraging technologies such as JavaScript/TypeScript (React.js, Next.js, Vue.js, Nuxt.js, Svelte, Stencil, Angular) with CSR/SSR/SSG/SPA/PWA, alongside back-end systems using Node.js, Nest.js, Go, Rust, and Move. I am experienced in monolithic, microservices, and serverless architectures deployed on AWS, Azure, and Google Cloud platforms. EXPERIENCE Software Engineer (Full-Time, Remote) Feb 2023 - Aug 2024 EatCheap, Agency: United States Responsibilities: Technical Solution (Defining the Technical Strategy and Vision, Architecting the System Infrastructure, collaborating a Technical Team, 0 - 1 Product Development (Launching and Maintaining)); SEO and SERP; Collaborate with 5 Agile teams and managed the entire development process (including personal Kanban backlog strategy); B2B and B2C contract, Payment Gateways, CI/CD pipelines integrations; Security Compliance & Identity Fundamentals; Technologies: React.js, Next.js, Node.js, Nest.js, Clerk.js, Vercel, AWS, EC2, S3, Go, Rust, UI/UX, Prisma, MongoDB, DynamoDB, MySQL, PostgreSQL, SQLite, (C/C++ based), Tailwind UI, Tailwind CSS, Payment API, Security API, Travel API, Ads API, Anti-fraud API, Anti-scam API, CI/CD, Agile, Scrum, Kanban, Redis, Radix UI, Headless UI, Canva, AI, Yup, Docker, Kubernetes, Terraform, NPM, PNPM, SQL, MySQL, Microsoft Azure, REST APIs, Senior Full Stack Developer (Contract, Remote) Jun 2023 - Dec 2024 Kilwar, LLC: United States Responsibilities: Created 1 applications (SSR/CSR/SSG/SPA): Vue.js/Nuxt.js/Pinia/JavaScript/TypeScript responsive HTML5/CSS3 websites; Worked on Web3/Crypto/Blockchain applications (including swaps, trades, wallets for websites); Worked on NFT marketplace, delivered features, worked on fixes/improvements and strengthened security protocols. Technologies: Vue.js, Nuxt.js, Options API, Composition API, Pinia, JavaScript, TypeScript, HTML5, CSS3, Web3, Web3.js, Ethers, Ethers.js, NFT, Crypto, Blockchain, Payment API, Trade API, Wallet, Explorer, AI, Team Leadership, Lead Software Engineer (Full-Time, Remote) Jul 2021 - Feb 2023 Synk, Ltd: United Kingdom Responsibilities: Led the development and implementation of a cutting-edge software solution for a cancer research project, leveraging advanced technologies and algorithms to analyze and interpret medical data. Designed and implemented data processing pipelines and algorithms to handle large-scale genomic and clinical data sets, facilitating data integration and analysis for cancer research purposes. Technologies: Android, IOS, WebRTC, Video/Audio, SMS/MMS, React.js, Next.js, Nest.js, Node.js, MUI (Material UI), Tailwind (CSS + UI/UX), API, RESTful, GraphQL, Figma, MongoDB, DynamoDB, Jira, Trello, SQL, MySQL, JavaScript, TypeScript, NoSQL, MongoDB, Cypress, Cypress, Nest.js, DevOps, CI/CD Technical Lead (Full-Time, Remote) Jan 2020 - Jul 2021 Tonic.ai, Inc: Poland Responsibilities: Led the development of a comprehensive banking and CRM software solution, serving as the Node.js and React full-stack tech lead, responsible for driving the technical direction and ensuring the successful implementation of the system. Architected and designed scalable and robust back-end systems using Node.js, leveraging its event-driven architecture and asynchronous programming model to efficiently handle high-volume transactions and data processing. Technologies: JavaScript, SQL, MySQL, Node.js, React Hooks, RESTful architecture, NoSQL, Storybooks, Next.js, Team Leadership, Microsoft Azure, REST APIs, Vercel, React.js, MongoDB, Leadership. TypeScript, Nest.js, React Context EDUCATION Bachelor’s Degree, Programming and computer science 2015 University of Peloponnese | Greece Mathematician. System programmer. Computer science. SKILLS  8 years: JavaScript · Node.js · SQL · MySQL · PostgreSQL · MariaDB · Redis · HTML · CSS · Git · Svn · GitHub · GitLab · BitBucket · Gimp · CI/CD · NPM · AWS · Azure · Linux · Apache · LAMP stack · Microservices · Pub-Sub · Kanban · Adobe Photoshop · AJAX · HTML 5 · CSS3 · Canvas 2D & 3D· NoSQL · Express.js · GraphQL · Axios ·Angular.js · MongoDB · Dynamo DB · SQLite · Bootstrap · Less · Sass · SCSS · Stylus · Fetch  7 years: TypeScript · React.js · Next.js · Vue.js · Nuxt.js · Svelte · Stencil · Angular · Nest.js · React Native · ReactQuery · React Router · Redux · Remix Storybook · Ant Design · Firebase · Invision · Sketch · Apollo GraphQL · Apollo Server · Apollo Client · Chart.js · Day.js · Moment.js · Ionic · MUI · Material Design · Material UI/UX · Chakra UI · Semantic UI · RxDB · RxJS · Web3 · Web3.js · Ethers · Ethers.js · MERN stack · Mean Stack · Virtual DOM  6 years: Go · Blockchain · Crypto · NFT · BEP-20 · ERC-20 · ERC-721 · ERC-1155 · GitHub Actions · BitBucket Pipelines · Vite · Rollup · Lerna · PNPM · TURBO · Stripe · Wise · PayPalCheckout · TypeORM · DrizzleORM · TypeORM · Vercel · Netlify · Heroku · Agile ·Scrum · Webpack · Nodemon · NVM · PM2 · D3.js · Three.js · Paper.js · Fabric.js · Kinetic.js · YARN · GoDaddy · Web components · Module Federation.  5 years: Figma · CircleCI · ChipperCI · GitLabCI · React Context · React Hooks · Styled Components · Tailwind UI · Tailwind CSS · Docker · Kubernetes · Terraform · WebSocket · Socket.io · Gulp · Grunt  4 years: Fastify · Webflow · Bubble · Retool · KnexORM · Zustand · SWR · Go · Rust · Yup · Cloudfare Cassandra · Realm · PlanetScale · OpenAI · ChatGPT · SequalizeORM · Canva · Dribbble ·  3 years: Webflow · Bubble · KnexORM · Zustand · SWR · Go · Solidity · Vim · Nginx · ActiveMQ · RabbitMQ ·  1 years: Radix UI · Headless UI Kafka · Zapier · Close CRM · Mocha · Jest Languages Most Recent Projects AWS Mern stack, SCSS, Stripe Kubernetes Zapier Microservices, Jira SEO, Migrating, Git, CI/CD CloseCRM, Agile Query Optimizing, Scrum