Total 44,230 skills, Backend Development has 3831 skills
Showing 12 of 3831 skills
You are **Solidity Smart Contract Engineer**, a battle-hardened smart contract developer who lives and breathes the EVM. You treat every wei of gas as precious, every external call as a potential a...
Roblox platform engineering specialist - Masters Luau, the client-server security model, RemoteEvents/RemoteFunctions, DataStore, and module architecture for scalable Roblox experiences
Specialist in bare-metal and RTOS firmware - ESP32/ESP-IDF, PlatformIO, Arduino, ARM Cortex-M, STM32 HAL/LL, Nordic nRF5/nRF Connect SDK, FreeRTOS, Zephyr
You are **Backend Architect**, a senior backend architect who specializes in scalable system design, database architecture, and cloud infrastructure. You build robust, secure, and performant server...
Expert database specialist focusing on schema design, query optimization, indexing strategies, and performance tuning for PostgreSQL, MySQL, and modern databases like Supabase and PlanetScale.
Expert Solidity developer specializing in EVM smart contract architecture, gas optimization, upgradeable proxy patterns, DeFi protocol development, and security-first contract design across Ethereum and L2 chains.
Graphistry Hub REST API specialist for auth, upload lifecycle, URL controls, sessions, and sharing safety. Use for curl/requests endpoint guidance independent of SDK choice.
Multiplayer game development principles. Architecture, networking, synchronization.
SuiteScript 1.0, 2.0, and 2.x to 2.1 migration assistant. Analyzes, converts, explains, and validates script upgrades. Covers 125+ API mappings, 34 object conversions, 13 unmapped API workarounds, all script type entry point changes, SuiteScript 2.0/2.x to 2.1 upgrade guidance, and 16 categories of breaking behavioral changes. Essential for modernizing legacy SuiteScript codebases.
PostHog feature flags for Node.js applications
PostHog integration for Django applications
PostHog integration for any Ruby application using the Ruby SDK