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📚 Software Engineering Articles

🗞️ Tech and AI Trends

👨🏻‍💻 Coding Tip

  • What is the token bucket rate limiting?

Time-to-digest: 5 minutes

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Spotify's engineering team built an AI-powered system that has already merged over 1,500 pull requests into production. Their Fleet Management platform combines coding agents with existing automation to handle complex code changes across thousands of repositories - from dependency updates to UI component migrations.

The challenge: Creating an AI system that can reliably generate and merge complex code changes while being accessible to engineers who aren't AI experts.

Implementation highlights:

  • Flexible agent architecture: Built a CLI that can swap between different AI models and agents while maintaining consistent workflows

  • Natural language interface: Replaced complex migration scripts with simple text prompts that describe desired changes

  • Multi-channel access: Enabled triggering changes from Slack, GitHub, and automated jobs

  • Validation pipeline: Added LLM-based code review and custom formatting/linting before changes get merged

  • Integration with existing tools: Leveraged existing Fleet Management infrastructure for PR creation, reviews and merges

Results and learnings:

  • Massive time savings: Reduced migration effort by 60-90% compared to manual changes

  • Wide adoption: Now handling about 50% of all Spotify's pull requests

  • Complex changes: Successfully migrating UI components, updating configs, and modernizing language features

This approach shows how AI can augment existing developer tools to automate increasingly complex tasks. By focusing on developer experience and integration with existing workflows, Spotify made AI-powered automation accessible to their entire engineering org.

GITHUB REPO (ai-docs-whisperer)
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ESSENTIAL (engineer-mcgyver)
How to Become a Resourceful Engineer

ARTICLE (vector-drama)
The Case Against pgvector

ESSENTIAL (debt-identity-crisis)
Architectural debt is not just technical debt

ARTICLE (ai-interview-chaos)
Artificial Intelligence Broke Interviews

ESSENTIAL (meta-software-inception)
Build better software to build software better

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Brief: OpenAI expands its cloud infrastructure beyond Microsoft by signing a $3.8 billion deal with Amazon Web Services to support its growing AI computing needs.

Brief: New R package Rmlx enables GPU-accelerated computing on Apple Silicon Macs, bringing up to 37x faster matrix operations through integration with Apple's MLX framework.

Brief: Google's new Ironwood TPU v7 matches Nvidia's Blackwell GPUs in raw performance while offering massive scalability up to 9,216 chips per pod, threatening Nvidia's AI hardware dominance with superior production deployment capabilities.

Brief: Apple will pay Google $1B annually to power a revamped Siri with Gemini's AI model launching in March 2026, alongside new smart home devices, though success remains uncertain after years of Siri's limitations.

This week’s coding challenge:

This week’s tip:

Implement token bucket rate limiting with burst capacity and refill strategies to handle realistic traffic patterns while preventing abuse. Unlike fixed windows, token buckets allow brief spikes while maintaining long-term rate control through configurable bucket depth and refill rates.

Wen?

  • API gateways: Allow legitimate client bursts (image uploads, batch operations) while preventing sustained abuse from malicious actors

  • Chat applications: Rate limit message sending with burst allowance for natural conversation flow without blocking rapid back-and-forth

  • Payment processing: Control transaction rates with burst capacity for legitimate bulk operations while preventing fraud attempts

Life is like playing the violin in public and learning the instrument as one goes on.
Samuel Butler

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