Roles · Desktop Developer (Electron/Tauri) · Mid-level

What a Mid-level } should know

11 core skills, 54 in total. Expectations per skill, and what changes at the next level.

This page lists what a Mid-level } is expected to know and do, skill by skill. Core skills are the ones a manager and peers assess in a review cycle; the rest count only in self-assessment. Main areas: Programming Fundamentals, Frontend Development, Testing & QA.

11core skills
43additional skills
5skill areas
0%at Advanced or Expert
Assess myself as Mid-level Full role matrix

Core skills for a Mid-level

Grouped by area. The label on the right is the expected depth: Awareness, Working, Advanced or Expert.

Programming Fundamentals · 2

Applies async patterns: Promise.all for parallel operations, AsyncIterator for streaming, AbortController for cancellation. Implements async queue for rate limiting. Handles unhandled rejections.

Configures strict TypeScript (strict: true, noUncheckedIndexedAccess). Uses ESLint plugin for Electron security rules. Introduces Husky pre-commit hooks. Applies conventional commits.

Frontend Development · 2

React Core Working

Develops React UI for Electron with TypeScript strict mode. Uses React.lazy for code splitting. Implements virtualization (react-window) for large lists. Applies React.memo and useMemo for optimization.

Applies state management tools. Synchronizes state between main and renderer through IPC. Implements persistence middleware. Works with optimistic updates.

Testing & QA · 1

Unit Testing Working

Structures tests for Electron: main process, renderer, shared. Mocks electron module through jest-electron. Introduces coverage through c8/istanbul. Tests IPC handlers.

Version Control & Collaboration · 2

Code Review Working

Conducts code review for TypeScript/Electron. Checks security (IPC safety, CSP), performance, TypeScript correctness. Reviews React components and CSS.

Git Advanced Working

Applies Git rebase, cherry-pick, bisect. Configures Git hooks through Husky (lint-staged, type-check). Works with Git LFS for native module binaries. Resolves merge conflicts in package-lock.json.

Desktop Development · 4

Electron Core Working

Independently develops Electron applications with TypeScript. Manages lifecycle (app events, window management). Configures Tray, Menu, dialog API. Works with protocol handlers and deep links.

Configures sandbox mode for renderer processes. Implements permission handling (media, geolocation). Validates IPC messages. Configures webRequest for blocking dangerous URLs. Audits npm dependencies.

Develops typed IPC through TypeScript interfaces. Implements streaming through MessagePort. Uses SharedArrayBuffer for high-performance data sharing. Manages multiple BrowserWindows through IPC.

MVVM Pattern Working

Applies state management as ViewModel layer. Organizes navigation through React Router. Implements separation of concerns: IPC layer, business logic, UI components. Tests ViewModel separately.

Additional skills

Not assessed by the team, but part of the self-assessment and the development plan.

Algorithms & ComplexityApache KafkaAPI DocumentationAuto-Update MechanismsAWSBundle OptimizationChatGPT / ClaudeComponent TestingCursor IDEData StructuresDatabase IndexingDesign PatternsDesktop App Packaging: MSI, DMG, AppImageDockerE2E TestingGitHub Actions / GitLab CIGitHub CopilotGraphQL DesignIntegration TestingKubernetes CoreModern CSSMultithreadingNetwork FundamentalsNode.js FrameworksOffline-First & Local StorageOOP & SOLID PrinciplesOpenTelemetryOWASP & Application SecurityPlugin ArchitecturePostgreSQLPrometheus & GrafanaPrompt Engineering for CodeRedisREST API DesignSecure Coding PracticesStructured LoggingSystem Design FundamentalsTailwind CSSTerraformType Safety & Type SystemsVite & Modern BundlersWeb APIsWebSocket API Design

What changes at Senior

54 skills get a higher expectation or become core when moving from Mid-level to Senior. The biggest jumps first.

See the Senior page →
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} in the open competency matrix: 54 skills across 5 levels. The matrix is free for individuals and stays free.