GoNext.jsNode.jsPostgreSQLBlockchainAWSDocker

Hey, I'm Pawan Kalyan

I'm a software Engineer, passionate about building scalable systems, clean APIs, and blockchain-integrated products. From crafting backend architectures in Go and Node.js to deploying end-to-end applications on AWS, I turn ideas into reliable, production-grade solutions. I’ve shipped products used by real customers and love blending innovation with execution.

Contact Me

Projects

A selection of things I've built and shipped.

Xoog

Xoog provides blockchain backed email encryption and verification, enabling secure, compliance-ready communication within organizations.

Next.JS

Node.js

Blockchain

Web3

Outlook Add-in

ZStats Dashboard

An analytics platform that visualizes key business metrics like user activity, engagement, and revenue, with interactive dashboards for seamless insights.

GraphQL

PostgreSQL

Go

Data Visualization

Kapsul

Kapsul is a decentralized Storage-as-a-Software platform that combines privacy, security, and blockchain backed trust for adaptive, multi-cloud data management.

Go

Ethereum

IPFS

Redis

Stripe

Smart Contracts

IOMe Mobile App

A mobile app for managing decentralized digital identities with zero-knowledge authentication and blockchain-based credentials, giving users secure, privacy-focused control over their data.

Mobile App

Web3

Authentication

Digital Identity

VHangOut

A social posting platform where users can log in, post messages, and view a live feed, showcasing real-time interactions and social connectivity.

React.JS

Firebase

Google Auth

Portfolio v1

My first personal portfolio website built with React.js, showcasing my projects, technical stack, and career milestones.

React.JS

SCSS

UI Design

Blog / Publications

Notes and articles on building for the web.

Apache Kafka: The Backbone of Modern Event Streaming

Sep 27, 2025

A beginner-friendly explanation of Apache Kafka, detailing its architecture, event-driven workflow, and how it enables scalable, reliable real-time data streaming.

Event StreamingArchitectureData Pipelines
Cross-Site Scripting: A Comprehensive Analysis of Attack Techniques and Prevention Strategies

April 13, 2023

An in-depth study of cross-site scripting (XSS) attacks, their techniques, and best practices to prevent them in web applications.

CybersecurityXSSWeb Security1k+ ReadsResearch
Kerberos: The Network Authentication Protocol

Oct 15, 2021

A comprehensive guide to Kerberos, explaining how ticket-based authentication secures identity across distributed systems and enables trusted communication.

CybersecurityAuthenticationNetworking

Education

My academic background and highlights.

  1. B.Tech - Computer Science Engineering · GITAM University

    Aug 2019 — July 2023

    Graduated with a B.Tech in Computer Science, earning a CGPA of 8.48. Excelled in algorithms, data structures, distributed systems, and web technologies

    Highlights

    • 1st Place - 'Identity Revealed' CTF Competition
    • 1st Place - CySec CTF (GITAM CYSEC)
    • All India Rank 17 - Amrita University CTF (600+ participants)
    • All India Rank 23 - Sec Army CTF (Sharda University)

Experience

Places I've worked and what I did there.

  1. Software Developer (SDE-I) · Sarvalabs Inc.

    Sept 2023 — Present

    Driving the development of secure, scalable, and user-friendly applications using Next.js, Node.js, Go, and Web3 technologies. Focused on building innovative solutions that enhance performance, reliability, and user experience in a fast-paced startup environment.

    Full-timeBangaloreStartup

    Achievements:

    • Recognized as "Employee of the Month" (Feb 2025) for consistently delivering scalable solutions.
    • Shipped 3 production-ready blockchain-integrated products: Xoog, ZStats, and Kapsul.

  2. MERN Stack Developer Intern · Learn and Build

    May 2023 — July 2023

    Focused on REST API design, modular Express.js architecture, and seamless front-to-back integrations using React and MongoDB.

    InternshipRemote

  3. Cyber Security Intern · Verzeo

    June 2022 — July 2022

    Gained hands-on exposure to cybersecurity fundamentals, scripting, and ethical hacking practices.

    InternshipRemote

Contact

Let’s work together.

Want to collaborate?

I'm available for Full-time roles, freelance projects, consulting, and speaking.

Email MeResume