Denys M.

Hi all, I’m a full-stack Node.js, React.js, Vue.js developer with over 6 years of experience in front-end and back-end development across various apps. I’m passionate about coding and strive to write clean, well-structured, and high-quality code, which I consider one of the most rewarding aspects of development. 🟩 🟩 🟩 🟩 My key fields of professional interest are FinTech and Real Estate. I am committed to developing sleek interfaces and business logic for projects related to Finance, Payment processing, and Property for rent and sale that require high-load systems with multiple user roles, complex platforms with back offices and dashboards, payments and purchases, exceptional antifraud and security, and third-party API integrations. Having completed a few projects as a Full-Stack Developer in these domains, I feel prepared to face new challenges and bring value to FinTech and Real Estate businesses worldwide. MY TECH STACK ✅ PROGRAMMING LANGUAGES: JavaScript, TypeScript, HTML5/CSS3, Python ✅ FRAMEWORKS & LIBRARIES: React.js, Redux, Redux Toolkit, Redux-Saga, Redux Reselect, Node.js, Nest.js, Express.js, Next.js, MUI, Vue3 (Composition API, Options API), VueX, Vuetify, Pinia ✅ DATABASES: PostgreSQL, MongoDB, Firebase ✅ PREPROCESSORS: Sass, SCSS ✅ TESTING TOOLS: Unit Testing, E2E Testing ✅ THIRD-PARTY APIs & LIBS: Instagram, Google API, Firebase ✅ OTHERS: REST API, AWS (EC2, Lambda, Cognito, EKS), Docker, Kubernetes, Linux, CI/CD, DigitalOcean, Heroku My superpowers are my passion for tech, clean code, and quality assurance and testing skills. Leveraging these strengths and my innovative mindset, I create state-of-the-art and flawless web applications or PWAs. Besides, it helps me quickly master new technologies, collaborate efficiently with distributed teams, and choose the best tech stack for every case. On top of that, my clients appreciate the hands-on and insightful perspective I bring to their projects, which was earned through my various track records working with large enterprises and small startups across the EU and US markets. PORTFOLIO ✅ A Real Estate Platform with 360° panorama views for the Australian market. Tech stack: React.js, Redux, Redux-Toolkit, Socket.io, Next.js, Three.js, Nx monorepo, Jest. ✅ A FinTech SaaS payment platform servicing businesses in various industries across 200 countries. Tech stack: JavaScript, Vue3 (Composition API), Pinia, TypeScript, Docker. ✅ A distinguished IT services provider, delivering exceptional solutions to small and medium-sized enterprises (SMEs) across continental Europe. I developed a PWA using React, Vue, Node, and SSR, SSG, and ISG applications utilizing Next.js. ✅ A prominent technology enterprise specializing in producing cutting-edge EV charging stations, and distributing them worldwide. Tech environment: React, Redux, Saga, Reselect, Node, Nest, Mongo, AWS. ✅ Websites development for a Real Estate company that provides apartment renovation services. Tech stack: JavaScript and PHP. 🟩 🟩 🟩 🟩 If you are looking for a reliable, creative and experienced tech professional, you have come to the right place—I'm excited about becoming your long-term partner! Let’s start working together! LANGUAGES I SPEAK Ukrainian is my native language. Besides, I have strong English skills. Most of my previous customers were English-speaking, so I am comfortable communicating in English. MY TEAM I am at ease as an individual contributor, but being a team player works best for me. So I joined Extrawest — an Upwork Top Rated Agency specializing in FinTech and Banking, Gambling and Betting, Food Ordering and Delivery, Logistics and Fleet Management, Medical Insurance and Healthcare, and special software for Electric Vehicles Charging Station networks since 2006. Having most of our resources based in Europe, we’ve been working with customers from over 20 countries (the US, Canada, Australia, most of the EU, South Africa, Singapore, Japan). Hence, it won’t be a problem for us to adjust to your timezone and working schedule. 🟩 🟩 🟩 🟩 My Agency Skills: Front-End (Frontend) Development, Back-End (Backend) Development, Full-Stack (Fullstack) Development, Mobile Development, EV Charging, Delivery, Food Ordering, FinTech, Banking, Loan, Mortgage, Wallet, Dashboard, Healthcare, Insurance, Betting, Gambling, Gaming, Flutter, Dart, JavaScript (JS), TypeScript (TS), Angular, Vue.js (VueJS, Vue), React.js (ReactJS, React), Node.js (NodeJS, Node), Java, Spring, SpringBoot, Hibernate, Python, Django, Scrapy, Quality Assurance (QA), Manual Testing, Automated Testing, UI/UX Design, Figma, Adobe Creative Cloud, DevOps, MySQL, PostgreSQL, MongoDB, Firebase, Docker, Amazon Web Services (AWS), Google Cloud Platform (GCP), Project Management (PM).