Hello, I'mRida Kaddir

Software Engineer writing about development, architecture, and AI-assisted coding.

I build backend systems and developer platforms, and I'm the author of apitwin — an open-source CLI for mocking REST and gRPC APIs. Here I write about the things I build and learn.

Latest Articles

Spring AI Agentic Patterns - and When Not to Build an Agent
Aug 28, 2026Article

Spring AI Agentic Patterns - and When Not to Build an Agent

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Spring AI in Production - Prompt Injection and Cost Control
Aug 27, 2026Article

Spring AI in Production - Prompt Injection and Cost Control

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Spring AI and MCP - Tools That Outlive One Application
Aug 26, 2026Article

Spring AI and MCP - Tools That Outlive One Application

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Spring AI Tool Calling - Giving the Model the Power to Act
Aug 25, 2026Article

Spring AI Tool Calling - Giving the Model the Power to Act

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Spring AI RAG - Talking to Your Own Documents
Aug 24, 2026Article

Spring AI RAG - Talking to Your Own Documents

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Spring AI Chat Memory - Making a Stateless Model Remember
Aug 23, 2026Article

Spring AI Chat Memory - Making a Stateless Model Remember

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Spring AI Essentials - Prompts, Advisors and Structured Output
Aug 22, 2026Article

Spring AI Essentials - Prompts, Advisors and Structured Output

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Spring AI - One Codebase, Many Model Providers
Aug 21, 2026Article

Spring AI - One Codebase, Many Model Providers

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OpenSpec vs Spec Kit - Why I Switched and Never Looked Back
Apr 04, 2026Article

OpenSpec vs Spec Kit - Why I Switched and Never Looked Back

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Did Anthropic Just Kill OpenCode?
Mar 22, 2026Article

Did Anthropic Just Kill OpenCode?

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apitwin - How Frontend Teams Work Ahead of the Backend
Mar 21, 2026Article

apitwin - How Frontend Teams Work Ahead of the Backend

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How I Use opencode - Best Practices After Months of Daily Use
Mar 21, 2026Article

How I Use opencode - Best Practices After Months of Daily Use

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Testing with AI - Smarter Coverage, Faster Feedback
Feb 21, 2026Article

Testing with AI - Smarter Coverage, Faster Feedback

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Building Dev Platforms in the AI Era - Challenges and Lessons Learned
Jan 26, 2026Article

Building Dev Platforms in the AI Era - Challenges and Lessons Learned

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Spec Kit - GitHub's Toolkit for Spec-Driven AI Development
Jan 20, 2026Article

Spec Kit - GitHub's Toolkit for Spec-Driven AI Development

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Advanced AI Coding - Context Engineering and Spec-Driven Development
Sep 10, 2025Article

Advanced AI Coding - Context Engineering and Spec-Driven Development

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Vibe Coding - A Developer's Guide to AI-Assisted Development
Jan 25, 2025Article

Vibe Coding - A Developer's Guide to AI-Assisted Development

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Spring Boot Observability using OpenTelemetry, Tempo, and Loki
Apr 12, 2024Article

Spring Boot Observability using OpenTelemetry, Tempo, and Loki

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NestJS Clean Code Using Hexagonal Architecture
Apr 7, 2022Article

NestJS Clean Code Using Hexagonal Architecture

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