Backend Developer

Create the server-side logic, APIs and data systems that keep products reliable behind the scenes.

In short— Huku ndio engine iko—APIs, databases na security bila story mingi.

Free roadmap

What you'll learn

Click any stage kufungua full details.

01Stage 01Language and server basicsNode.js, Python, Java, Go or C# • Processes, memory and command-line basics

Choose one backend language and understand how servers handle requests.

Focus on

  • Node.js, Python, Java, Go or C#
  • Processes, memory and command-line basics
  • HTTP request and response lifecycle
Build check: Build a small HTTP server without a large framework.

Ukimaliza hapa, usirush next stage—build kitu kwanza.

02Stage 02APIsREST principles and API design • Validation, errors and pagination

Design clear interfaces that clients can use safely and predictably.

Focus on

  • REST principles and API design
  • Validation, errors and pagination
  • OpenAPI documentation and versioning
Build check: Build and document a production-style REST API.

Ukimaliza hapa, usirush next stage—build kitu kwanza.

03Stage 03DatabasesSQL, PostgreSQL and normalization • Indexes, transactions and query planning

Model data well and know when relational or non-relational storage fits.

Focus on

  • SQL, PostgreSQL and normalization
  • Indexes, transactions and query planning
  • Redis, caching and NoSQL trade-offs
Build check: Design and seed a relational database.

Ukimaliza hapa, usirush next stage—build kitu kwanza.

04Stage 04Identity and securitySessions, JWT and OAuth • Authorization and role-based access

Protect user data and reduce common application risks.

Focus on

  • Sessions, JWT and OAuth
  • Authorization and role-based access
  • OWASP risks, hashing and secrets
Build check: Add secure authentication and permissions.

Ukimaliza hapa, usirush next stage—build kitu kwanza.

05Stage 05Scale and reliabilityTesting and background jobs • Queues, caching and rate limiting

Design services that survive failures and growing traffic.

Focus on

  • Testing and background jobs
  • Queues, caching and rate limiting
  • Logging, monitoring and graceful failures
Build check: Add a worker queue and observable error handling.

Ukimaliza hapa, usirush next stage—build kitu kwanza.

06Stage 06DeploymentDocker and Linux fundamentals • CI/CD and cloud hosting

Package and ship services through repeatable infrastructure.

Focus on

  • Docker and Linux fundamentals
  • CI/CD and cloud hosting
  • Reverse proxies and scaling basics
Build check: Deploy a containerized API with automated tests.

Ukimaliza hapa, usirush next stage—build kitu kwanza.

Now build kitu real.

Pick one project that solves an actual problem, ship it, then explain what you learned. Hapo ndio portfolio inaanza kuhit different.

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