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Posts by Efe Karakus

Video

Sure, AWS DevOps Agent just went GA, but we added a bunch of features at the same time, including Custom Skills, Learned Skills, Code Indexing - just to name a few! This video shows the new flexible On-Demand SRE Tasks in action.

More in the blog! aws.amazon.com/blogs/mt/ann...

1 week ago 2 1 0 0
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From AI agent prototype to product: Lessons from building AWS DevOps Agent | Amazon Web Services At re:Invent 2025, Matt Garman announced AWS DevOps Agent, a frontier agent that resolves and proactively prevents incidents, continuously improving reliability and performance. As a member of the Dev...

✍🎉 We just published lessons from taking AWS DevOps Agent from prototype to preview at re:Invent 2025:
aws.amazon.com/blogs/devops...

The post focuses on durable mechanisms for building agentic AI products, hope this helps others!

2 months ago 2 0 0 0
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Yay! #AWS DevOps Agent got announced 🎉 I have been working on this multi-agent system for the past few months. In particular, I focused on the incident response capability & surfacing useful information to help repair apps built on AWS.
I would love if you give it a spin and hear your feedback!

4 months ago 2 1 0 0

Can I retrieve partial results while a task's status is still "working"?
This would potentially enable a flow where the client (requestor) can cancel a task early if the partial results are good enough.

4 months ago 0 0 1 0
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It bothers me to no extent that the media plays how Klarna whistles

Klarna wants to the headlines to say "AI-enabled Klarna"

It would have halved its workforce without AI because it overhired 2x in 2020-21 and never corrected till now

But this is how they get front pages

5 months ago 175 22 7 3
Leave integration choices to agent builders If you’re building an agentic product, especially in a large tech company, you’ll likely need to integrate with multiple partner teams that offer unique context or actions that enhance your agent’s pe...

Is 10pm on a Sunday a good time to post about your new tech blog? www.efekarakus.com/2025/09/21/l...

Here are some basic thoughts if you are on a team vending functionality for AI agent builders

6 months ago 1 0 0 0

Confounding that we have the simultaneous narratives of "AI will replace your jobs for 1/10th the price" in parallel with "there just are not enough people to build fast enough, we need you to work 80% harder."

Also, it was exactly the same 15 years ago except replace AI with "outsourcing."

8 months ago 16 3 1 0
Experimentation over capabilities In traditional software engineering, we create customer value by working on small, focused features delivered frequently. When building products where generative AI is a key component, I’ve noticed or...

✏️ Wrote a blog post on what small teams building LLM-based applications should actually focus on each sprint: efekarakus.com/2025/07/06/e...

9 months ago 2 1 0 0
Experimentation over capabilities In traditional software engineering, we create customer value by working on small, focused features delivered frequently. When building products where generative AI is a key component, I’ve noticed or...

✏️ Wrote a blog post on what small teams building LLM-based applications should actually focus on each sprint: efekarakus.com/2025/07/06/e...

9 months ago 2 1 0 0
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Escaping the rewrite trap Gain practical frameworks to assess rewrites vs. evolution, plan successful migrations, and align teams and stakeholders without losing momentum.

Great talk about avoiding rewrite trap by @skamille.themanagerswrath.com at @leaddev.com #LDX3, and my favourite: "The Computers are not your stakeholders" 👏

leaddev.com/software-qua...

9 months ago 16 2 0 1
Career advice, or something like it - Marc's Blog

New blog post, with some career advice: brooker.co.za/blog/2025/06...

9 months ago 22 4 2 1
sketch blog: Push, Pull, Respond, Restart

I’m really enjoying sketch.dev’s blog posts on agentic AI development https://sketch.dev/blog/push-pull-respond-restart

10 months ago 0 0 0 0
The Grug Brained Developer

i wanna be grug grugbrain.dev

11 months ago 1 0 0 0
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An LLM‑as‑Judge Won't Save Your Product—Fixing Your Process Will Applying the scientific method, building via eval-driven development, and monitoring AI output.

Product evals are misunderstood. Many teams think that adding another tool, metric, or llm-as-judge will solve all their problems and save their product. But that just dodges the hard truth and avoids the real work. Here's how to fix your process instead.

eugeneyan.com/writing/eval...

11 months ago 20 2 1 0
On promotion and growth beyond senior As I progressed from a junior to senior software engineer within Amazon, I came to view leveling up as a function of wisdom - f(wisdom) - where as your applied or practical knowledge increased you wer...

New blog post with thoughts on the promotion process and growth for senior engineers: efekarakus.com/2025/04/12/o...

11 months ago 1 0 0 0

None became massive homeruns for a multitude of reasons, but the teams behind them loved pushing an *unreasonable* amount for better CX, and customers could feel it too.

1 year ago 1 0 0 0
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How to Solve It: AWS Copilot’s Progress Tracker Towards the end of last year, I picked up How to Solve It, a book that studies the methods of problem solving, by George Pólya and I fell in love with it. While most of the examples are about solving ...

The products I'm proudest of are those where I had both the support and interest to put in way more effort than required to improve customer experience (www.efekarakus.com/2021/02/04/h...).

1 year ago 1 0 1 0
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Unreasonable Hospitality: The Remarkable Power of Giving People More Than They Expect Unreasonable Hospitality: The Remarkable Power of Giving People More Than They Expect [Guidara, Will] on Amazon.com. *FREE* shipping on qualifying offers. Unreasonable Hospitality: The Remarkable Power of Giving People More Than They Expect

Unreasonable Hospitality by Will Guidara is one of the most inspiring management books I read recently 😍. It helped me pin down the perfect term: “being unreasonable” for what I enjoy doing most at work. a.co/d/d0NH6hb

1 year ago 3 0 1 0
Goodput degradation in rate-limited systems In this post, we’ll explore how “goodput” (the rate of useful, successful work completed) degrades under increasing load, particularly in multi-step workflows that depend on rate-limited services.

Wrote a short blog post on how goodput can degrade ↘️ as offered load to our system increases ↗️ www.efekarakus.com/2025/01/08/g...

1 year ago 4 2 0 0

I really enjoyed Poor Charlie’s Almanack (a.co/d/0DBK4qg). My favorite talk, which summarizes most of the content in the book, is also available on YouTube: youtu.be/lqqRzNC3QyU

1 year ago 2 0 0 0

Who dis?

1 year ago 1 0 0 0