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BUILD · CATEGORY

Developer Tools projects to build

5 guided developer tools builds, from quick tools to complete products. Pick one and build it from concept to a deployed application.

1 Beginner3 Intermediate1 AdvancedWebapp, CLI tool, API, Desktop app

Stack

TypeScript · Node.js · SQLite · npm

Before you start

Comfortable writing code in one language and using Git and the terminal.

Improvement challenge

Publish the tool as a package with docs, versioned releases and tests in CI.

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5 products

Developer Tools 5

Tech, Junior

API testing tool

What you build
Send requests, save collections, use environments and run assertions.
Prerequisites
Comfortable writing code in one language and using Git and the terminal.
Stack
TypeScript · Node.js · SQLite
  • Request builder
  • Collections
  • Environments
  • Test assertions
Final deliverableA working API testing tool with request builder, collections, environments and test assertions, tested and deployed to production.
Intermediate4 modulesWebapp, Desktop app
From₹588₹1,18851% off· 12 hours
View projectRequest
Tech, Junior

Mock API server

What you build
Spin up fake endpoints from a spec so front-end work is never blocked.
Prerequisites
Comfortable writing code in one language and using Git and the terminal.
Stack
TypeScript · Node.js · SQLite
  • Spec import
  • Mock responses
  • Latency & errors
  • Request log
Final deliverableA working mock API server with spec import, mock responses, latency & errors and request log, deployed as an MVP.
Beginner4 modulesCLI tool, API
From₹490₹99051% off· 10 hours
View projectRequest
Tech, Junior

Code generator

What you build
Generate project boilerplate and CRUD code from a schema.
Prerequisites
Comfortable writing code in one language and using Git and the terminal.
Stack
TypeScript · Node.js · SQLite
  • Schema input
  • Templates
  • Generated code
  • Customisation hooks
Final deliverableA working code generator with schema input, templates, generated code and customisation hooks, tested and deployed to production.
Intermediate4 modulesCLI tool
From₹490₹99051% off· 10 hours
View projectRequest
Tech, Senior

Feature flag manager

What you build
Toggle features per user or segment with SDKs and audit logs.
Prerequisites
Comfortable writing code in one language and using Git and the terminal.
Stack
TypeScript · Node.js · SQLite
  • Flag dashboard
  • Targeting rules
  • Client SDK
  • Audit log
Final deliverableA working feature flag manager with flag dashboard, targeting rules, client SDK and audit log, tested and deployed to production.
Advanced4 modulesWebapp, API
From₹588₹1,18851% off· 12 hours
View projectRequest
Tech, Junior

Configuration manager

What you build
Store, version and serve app configuration and secrets per environment.
Prerequisites
Comfortable writing code in one language and using Git and the terminal.
Stack
TypeScript · Node.js · SQLite
  • Environments
  • Versioning
  • Secrets encryption
  • Config API
Final deliverableA working configuration manager with environments, versioning, secrets encryption and config API, tested and deployed to production.
Intermediate4 modulesCLI tool, API
From₹490₹99051% off· 10 hours
View projectRequest
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