Denys (Dennis) Chernousov

About Me

Always learning and trying to be better!🕺

Contact Information

Location: Ukraine
Emails: darkinowls@gmail.com
Telegram: @darkinowls
Github: darkinowls

Skills & Expertise

Proficient

Angular, Nest.js, Express.js, Next.js, TypeScript, Node.js, React, ORM (Prisma, TypeORM, Mongoose), RESTful APIs, Docker, PostgreSQL, Redis, RabbitMQ, Nginx, OpenAPI, OAuth2, JWT, GraphQL, Microservices architecture, WebSockets, TailwindCSS

Comfortable

Solidity, OpenZeppelin, Flutter, Bloc, Docker Compose, SQL, Swagger, CI/CD (Jenkins, GitHub Actions, Codemagic, GitLab CI/CD), NoSQL, Firebase, AWS, GCP, Git, CSS, Microservices (TCP, gRPC), Django, CMS, MongoDB, n8n, Vector Databases + Embedding (Pinecone)

Familiar

Rust, Anchor, Redux, n8n, Machine Learning, Kubernetes, Telegram API, Helm, GoLang, FastAPI, Headless CMS (Strapi), Payment Systems (PayPal), Grafana, Prometheus, Loki, ClickHouse, AppsFlyer, Dokku

Professional Experience

Full Stack JS Developer at Amedia

July 2024–Juny 2025

Worked as a Full Stack JS Developer at Amedia in the GovTech domain. My tasks are under NDA. But I used the technologies below:

Angular, TypeScript, NestJS, Node.js, MongoDB, PostgreSQL, Docker, Dokku, Kubernetes, GitLab CI/CD, Swagger, Redis, RabbitMQ, Nginx, OpenAPI, OAuth2, JWT, GraphQL, RESTful APIs, Microservices architecture, Tableau, ChartJs

Fullstack Developer (Node+Python+Flutter) at Gentleman's code

July 2021–May 2024

Worked as a Fullstack Developer at Gentleman's code in different domains:

Led the development of a large-scale web-casino project built with Nest.js, Next.js, Strapi, Websockets. Managed servers and DNS. Came up with game logics. Delegated simple tasks to other developers. 🎉
Developed apps like trinity with Next.js, TypeScript, tailwind, Vercel and Strapi with in collaboration with my fellow developer 🎉
Developed Telegram bots for the crypto industry using TypeScript, Telegraf, and Puppeteer (web scraping) with rotating proxy support 🎉
Supported existing Nest.js microservices (Mongoose, Swagger, Graphql, Typescript, PayPal, gRPC/TCP/RabbitMQ, Nginx, docker-compose) 🎉
Developed a private analytical platform using node.js, ClickHouse, Grafana, apis (Binance, OXK, CoinMarketCap) and a React PWA 🎉
Developed and supported mobile applications using Flutter, React Native with Django Rest Framework, Keitaro, Appsflayer . 🎉
Deployed systems to the Cloud and Mobile stores. Set up CI/CD with Codemagic (Mobile app) and Github-actions (Backend). 🎉

Achievements

Master of Software Engineering

Igor Sikorsky Kyiv Polytechnic Institute

I became a bachelor of Software Engineering at Igor Sikorsky Kyiv Polytechnic Institute in 2023. I became a master of Software Engineering at Igor Sikorsky Kyiv Polytechnic Institute in 2025.

Certifications

Empat, Udemy, MongoDB University, Coursera

I constantly strive to improve my skills and knowledge. I have completed a number of courses and certifications, including Solidity+Next.js Grafana+Prometheus+Loki, Nest microservices, NestJs Zero to Hero, Flutter Certification, Celery with Django, React Django DRF Channels, MongoDB Basic, Frontend - Bootstrap, Basic Data Science, MongoDB For Developers, MongoDB Data Modeling, MongoDB Cluster Administration,

ETC

Just me

Successfully did diploma theses. One of the clients was from Poland. 🎉
Created my own interpreted programming language in python. 🎉

Hobbies & Interests

Music, Walking, Crypto, Tiktok, Anime, Manga, Youtube, Telegram