Shashank Pandey

Developer / Builder

Writing & Field Notes

Ideas, systems
and things I build.

Technical writing, engineering lessons, and stories from building developer communities. From serverless architecture to the work that happens beyond the code.

21

Publications

9

Technical

Selected Writing

01 / Featured
AWS Builder CenterServerlessOct 2026

Your Lambda Ran Twice. Did You Just Delete the Same Data Twice?

A closer look at idempotency, duplicate execution, and the subtle failures that can make serverless systems unreliable.

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Engineering notes

Practical ideas about building reliable systems in the real world.

01 — Engineering

Technical writing

9 articles
AWS Builder Center/Backend Engineering

What Happens After You Click Delete Account?

Exploring the backend workflows, data lifecycle, and system responsibilities behind a seemingly simple action.

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AWS Builder Center/Cloud Architecture

Knowing AWS Services Isn't Enough. Knowing When Not to Use Them Is.

Why good cloud engineering is about making deliberate architectural decisions, not just knowing which services exist.

AWS Builder Center/AWS Architecture

Putting SQS Between API Gateway and Lambda

Exploring asynchronous processing, decoupling, and the architectural trade-offs of adding a queue to a serverless workflow.

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AWS Builder Center/Performance

I Tested AWS Lambda at 128 MB, 256 MB, 512 MB, and 1 GB — Here's What Happened

An exploration of Lambda memory configurations and the performance and cost trade-offs that come with them.

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AWS Builder Center/Distributed Systems

Idempotency: The Bug You Don't Notice Until Production

Understanding why repeated requests can become production bugs and why reliable systems need to account for retries.

AWS Builder Center/System Design

Designing a Cost-Effective Serverless Certificate Generation System on AWS

Architecting a serverless certificate-generation workflow with an emphasis on scalability and cost-conscious infrastructure.

AWS Builder Center/Engineering

Why I Built a Serverless Certificate Generation System

The engineering motivation behind automating certificate generation and exploring a serverless approach to the problem.

AWS Builder Center/System Design

Designing a Scalable Event Management Platform Architecture on AWS

Exploring the architectural decisions involved in building an event management platform designed to scale.

02 — Beyond the Code

Community & experiences

12 stories
AWS Builder Center/Event Recap

Hacktoberfest 2026 at LPU: A Community Recap

Looking back at a day of open-source contributions, developer learning, and community building with AWS Student Builder Group at LPU.

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AWS Builder Center/Community Building

BuilderType: Turning an AWS Experience Zone into an Interactive Engagement Hub

The story of transforming an AWS Experience Zone into an interactive experience designed to encourage exploration and participation.

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AWS Builder Center/Leadership

Being an AWS Cloud Captain Is More Than Organizing Events

Lessons from building a student developer community, creating learning opportunities, and helping builders find their place.

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AWS Builder Center/Event Operations

AWS Student Community Day Jalandhar: Planning, Execution, and Learnings from the First Edition

A behind-the-scenes account of planning and delivering a student-focused AWS community event.

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LinkedIn/Public Speaking

AWS New Voices 2026

Sharing the journey of technical public speaking and participating in the AWS New Voices community.

LinkedIn/Community

AWS Summit Bengaluru 2026

A snapshot from the AWS Summit Bengaluru experience and the wider cloud developer ecosystem.

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LinkedIn/Leadership

AWS Student Builder Campus Leader — LPU

Sharing the journey of helping students discover cloud technologies and build with AWS.

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LinkedIn/Community

AWS Techkriti 2026 — IIT Kanpur

A community experience connected to the technology and innovation ecosystem at Techkriti, IIT Kanpur.

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LinkedIn/Panel Discussion

AWS Cloud Club Captains' Call

Participating as a panelist in conversations around student cloud communities and developer engagement.

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LinkedIn/Community Building

Building an AWS Cloud Club Community

Thoughts and experiences from growing a student cloud community and creating opportunities for builders.

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LinkedIn/Workshop

Bot Forge 2025 — Discord Bot Workshop

A hands-on community workshop focused on building Discord bots and getting developers involved in practical projects.

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LinkedIn/Workshop

ByteBucket — AWS Storage Workshop

A student-focused workshop exploring AWS storage concepts through practical learning and community engagement.

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Always building. Always learning.

I write about what I learn, what I build, and the people who make the journey worthwhile.

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Shashank PandeyWriting archive · 2025—2026
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