I'm blockchain developer, with strong background in front end and game development. Check our website https://crypton.studio General instruments:> VCS providers: Github, Gitlab, Atlassian Bitbucket;M> Enterprise languages: Java, C#, Python, JavaScript (now mostly used)f> Configs: XML, JSON, YAML, TOMLf> General Builders: Ant, Maven, Gradlef> CI/CD: Jenkinsf> Virtualization: Soft-based (Docker Desktop + CLI, docker-compose), Nativebased (Oracle VM, VMWare)f> Project Management Instruments: Atlassian (Jira, Confluence), Asana, Trello,Slack, Redminef> Games: Unity3D 2017+, Godot, Phaser.js, Java Graphics, Rust (Amethyst),Microsoft XNA, MonoGamef> Mathematics: Maxima, R.IDE: Atom (mostly userd), Sublime Text, Notepad++, Visual Studio, Visual Studio Code, WebStorm, PyCharm, Android Studio.General structural patterns:> MVP, MVC (and I even know the difference :) )f> Game Loop, Multithread Game Loopf> DB: Active Record, Repository, DAO.General principles: SOLID, DRY, Occam's razor.Blockchain:> Languages: Solidity, Vyper, little bit of Motoko> dApp libs: Web3 (JS and Python realisations), ethers (JS realisation)f> Contracts: OpenZeppelin Contracts, OpenSea Contracts, AAVE, Compound,SafeMoon, AMMs (Uniswap V1/V2/V3, 1inch V1, Curve StableSwap + DAO,Synthetix, Convex, little bit of Aragon DAOf> Compilers: solc, vyperf> Builders: Truffle, Hardhat, Brownie, Tronboxf> Structural patters: Transparent Upgradeability Proxy, Eternal Storage,Diamon, Staking Rewards, Auto-reflection Token, Governance.Blockchain trading instruments: CCXT, Freqtrade.Web: > Web (static front): JavaScript, HTML, CSSf> Web (rich-client): React + Redux + Node.js (now mostly used), Svelte +Node.js, GWT, familiar with Vue.jsf> Web (light-client): Spring Framework (Spring Boot, Spring Data (JDBC,REST), EJB3, JPA: ORM Hibernate, JDBC, Security), Django (Django REST),Node.js + express.js + pug (now mostly used)f> Application and web servers: Apache HTTP + Tomcat, Django HTTP Server.Data Science: Pandas, Numpy, Scikit Learn, a little bit of Keras, Tensorflow, Scipy, NLP, SymPy