Available Q3 2026

Full-Stack Developer · AI Engineer

I build high-throughput web architectures & AI systems engineered to stay rock-solid under heavy real-world load.

Explore Work ↓Let's Talk →

40+Projects Shipped

12+Production Systems

5+Years Experience

3xHackathons Won

Core Arsenal

Next.js 15TypeScriptPython & PyTorchTailwindCSSNode.jsAI Agents

ARSHVIR S
KALSI

I build high-throughput web architectures & AI systems engineered to stay rock-solid under heavy real-world load.

Next.js 15TypeScriptPython & PyTorchTailwindCSSNode.jsAI Agents

Explore Work ↓Let's Talk →

40+Projects Shipped

12+Production Systems

5+Years Experience

3xHackathons Won

[02] · MANIFESTO

What I Believe

Architecture

I build for production, not for presentations.

My code needs to work when it counts. It should be fast, reliable, and able to handle real traffic without breaking down in the middle of the night.

Aesthetics

A great app needs to look as good as it works.

Fast code isn't enough if the user interface feels clunky. I care deeply about smooth animations, clean typography, and responsive design. To me, design and engineering go hand in hand.

Pragmatism

Keep it simple, so it can actually scale.

I prefer writing my own clean, straightforward code over adding massive third-party libraries whenever possible. Unnecessary complexity just slows everyone down.

IF YOU AREN'T MONITORING IT, IT'S PROBABLY BROKEN.★

PERFORMANCE IS A CORE FEATURE, NOT AN AFTERTHOUGHT.★

GOOD CODE EXPLAINS ITSELF.★

ERROR MESSAGES SHOULD ACTUALLY EXPLAIN THE ERROR.★

BUILD IT, LAUNCH IT, FIX IT.★

I WRITE CLEAN CODE SO I DON'T HAVE TO FIX BUGS AT 2 AM.★

IF YOU AREN'T MONITORING IT, IT'S PROBABLY BROKEN.★

PERFORMANCE IS A CORE FEATURE, NOT AN AFTERTHOUGHT.★

GOOD CODE EXPLAINS ITSELF.★

ERROR MESSAGES SHOULD ACTUALLY EXPLAIN THE ERROR.★

BUILD IT, LAUNCH IT, FIX IT.★

I WRITE CLEAN CODE SO I DON'T HAVE TO FIX BUGS AT 2 AM.★

SYS.PREF // 03

[03] · THE OPERATOR

System Preferences

Drag Around

Allowed Signalshover to reveal exceptions ◐10 entries

✓Double Espresso"Zero sugar, zero milk. Just pressure and precision."

✓Mechanical Keyboards"75% layout. Tactile switches. The click is the feature."

✓Late-Night Sessions"The hours between 1–4 AM where the focus compounds."

✓Formula 1 Telemetry"Real-time data, split-second decisions, zero margin for error."

✓Porsche Design Language"Function-first aesthetics that age like engineering, not trends."

✓Clean Git Histories"Atomic commits, descriptive messages. The codebase is the documentation."

✓System Observability"eBPF traces, Prometheus dashboards, knowing exactly what's happening."

✓Monospaced Typography"JetBrains Mono. Everything aligns. Everything breathes."

✓Daft Punk - Random Access Memories"The album I code to. Perfect looping, zero distractions, engineered groove."

✓Designing Data-Intensive Applications"The book that changed how I think about systems. Kleppmann is the GOAT."

SYS.PREF // REV.0320 parameters logged

Currently...

BuildingVERANFC + blockchain authentication platform

GrindingLeetCode- Algorithms & Data Structures

ReadingDesigning Data-Intensive Applications- Kleppmann

Listening ToRandom Access Memories- Daft Punk (on loop)

[03] · THE OPERATOR

System Preferences

System Exceptionsshowing exceptions ◐10 entries

✗Laggy Scroll Interactions"If your landing page drops below 60 fps, we need to talk."

✗Dependency Bloat"10 npm packages to format a date. Just write the 8 lines."

✗Meetings Without Agendas"If it could've been a Notion doc, it should've been."

✗Lukewarm Coffee"A thermal entropy problem with no acceptable workaround."

✗Generic UI Kits"If it looks like every other SaaS dashboard, it feels like one too."

✗Magic Abstractions"If I can't trace the error in 30 seconds, the framework failed."

✗Over-Engineered Solutions"When the abstraction costs more than the problem it solves."

✗Dark Patterns in UX"Tricking users isn't design. It's desperation."

✗Auto-Playing Audio"The fastest way to lose a tab. And my respect."

✗Premature Optimization"Profile first. Then optimize. Or you're just guessing with extra steps."

SYS.PREF // REV.0320 parameters logged

Currently...

BuildingVERA (Verified Electronic Record for Apparel)NFC + blockchain garment authentication platform

GrindingLeetCode- Algorithms & Data Structures

ReadingDesigning Data-Intensive Applications- Kleppmann

Listening ToRandom Access Memories- Daft Punk (on loop)

[04] · TOOLCHAIN

What I Reach For

CAPABILITY

Frontend Development

React90%

3 years, 8 production apps

Next.js85%

Default for full-stack

TypeScript95%

Non-negotiable

Tailwind CSS90%

Utility-first precision

CAPABILITY

Backend Development

Node.js85%

Core API development

FastAPI90%

High-throughput services

Supabase80%

Rapid backend infrastructure

PostgreSQL85%

The only DB I trust blindly

CAPABILITY

Databases

PostgreSQL95%

Primary data store

Redis80%

Caching & pub/sub

MongoDB75%

Document storage

Firebase85%

Realtime sync

CAPABILITY

Mobile Development

React Native85%

Cross-platform efficiency

Flutter70%

Rapid UI prototyping

Swift60%

Native iOS rendering

Kotlin50%

Native Android logic

CAPABILITY

Artificial Intelligence

LangChain90%

Agentic pipelines

LangGraph85%

Stateful orchestration

TensorFlow75%

Deep learning models

OpenAI API95%

Primary reasoning engine

CAPABILITY

Machine Learning

Scikit-Learn85%

Traditional ML models

LightGBM70%

Gradient boosting

XGBoost75%

High-performance trees

Pandas90%

Data manipulation

CAPABILITY

DevOps & Cloud

Docker90%

Containerization

GitHub Actions85%

CI/CD Pipelines

AWS80%

Cloud Infrastructure

Vercel95%

Edge Deployments

FLAGSHIP // SERIES 01

Featured Work

[P-01]

APEX // 2026

Next.jsTypeScriptPythonSupabaseGeminiPostgreSQL

Featured Flagship

APEX

Advanced Performance & Execution

I built this because I was tired of performance tools that create more overhead than they measure. It's an enterprise-grade performance monitoring and execution platform for scalable architectures.

This was the project that taught me the difference between writing code and engineering systems.

01 / The Tension

Tracking microsecond-level performance spikes in high-throughput cloud environments without introducing measurement overhead.

02 / What I Did

Designed a zero-dependency async tracer in TypeScript and Python using eBPF hooks and lightweight Ring Buffers to collect metrics out-of-band.

03 / The Tradeoff

Chose custom binary event streaming over JSON payloads, saving 80% network bandwidth but increasing the complexity of client-side ingestion logic.

Explore All Projects ↓GitHub ↗

FLAGSHIP.P-01 // PRODUCTIONArchive Below

[01] · WORK

Selected Projects

P-02// 202601 / 03

P-02// 2026STATUS · SHIPPED

GitHub ↗01 / 03

AeroTrack

// Real-time aviation data tracking

Aviation data is dense and messy. I wanted to build flight tracking, route analytics, and operational metrics specifically for high-density data visualization without dropping frames.

JavaScriptReactChartsAnalyticsDashboardData Viz

01 / The Tension

Rendering thousands of active, real-time flight vectors smoothly on a web map without freezing the browser's UI thread during high-density updates.

02 / What I Did

Implemented a custom WebGL map layer combined with an offscreen Canvas worker to offload calculation and rendering pipelines from the main thread.

03 / The Tradeoff

Opted for canvas tiling instead of dynamic vector recalculation, lowering CPU utilization by 60% at the cost of slight rendering delays during fast zooms.

Deep Dive on GitHub↗

P-03// 202602 / 03

P-03// 2026STATUS · SHIPPED

GitHub ↗02 / 03

DevHub

// Developer collaboration and resource center

A developer collaboration center for course creation, progress tracking, and strict role-based access for students and instructors. Built to handle rapid concurrent usage.

Next.jsTypeScriptClerkPrismaPostgreSQLtRPC

01 / The Tension

Enforcing strict role-based access control (RBAC) and progress tracking on highly dynamic multi-tenant courses without hitting database bottlenecks.

02 / What I Did

Built a reactive edge middleware using Next.js Middleware and Redis to cache access tokens and course status, validating permission in under 15ms.

03 / The Tradeoff

Used eventual consistency for non-critical analytics tracking (e.g. video watch progress) to keep DB writes extremely light, accepting a 2-second UI sync delay.

Deep Dive on GitHub↗

P-04// 202603 / 03

P-04// 2026STATUS · SHIPPED

GitHub ↗03 / 03

FaceVault

// Biometric security and facial recognition

I built a three-layer AI intelligence system combining perception, reasoning, and response generation into a unified pipeline for biometric security and facial recognition.

PythonFastAPINext.jsTypeScriptFAISSInsightFace

01 / The Tension

Balancing high facial matching accuracy with near-instant query speed across millions of vector embeddings.

02 / What I Did

Designed a hierarchical index search using FAISS (Facebook AI Similarity Search) and wrapped it in a multi-stage Python pipeline running FastAPI.

03 / The Tradeoff

Truncated precision vectors to 512 dimensions, accepting a minor (0.01%) accuracy drop to achieve sub-10ms response times.

Deep Dive on GitHub↗

Other Endeavors

2024
Ghost Banker
GitHub ↗
An exploration into secure, decentralized financial transactions aiming for complete anonymity and cryptographic proof using zero-knowledge technology.
Web3SolidityDeFiCryptoSmart ContractsBlockchain
Tap to reveal preview
01 / Tension
Verifying transactions on-chain for compliance without exposing the sender, recipient, or volume of funds.
02 / What I Did
Implemented zero-knowledge proofs (zk-SNARKs) in Solidity, verifying proof correctness on-chain while keeping keys locally client-side.
03 / Tradeoff
High gas costs for proof verification were offset by limiting state changes, making deployment expensive but keeping transactions relatively cheap.
2024
GroupLore
GitHub ↗
Communities need shared history. I built this collaborative wiki platform for groups to build and maintain their shared lore and knowledge base without overriding each other.
Next.jsTypeScriptExpressSocket.ioSupabaseClerk
Tap to reveal preview
01 / Tension
Managing concurrent markdown edits on hot pages without creating merge conflicts or overriding other users' edits.
02 / What I Did
Integrated CRDTs (Conflict-free Replicated Data Types) and a Socket.io sync engine to allow real-time collaborative editing.
03 / Tradeoff
Sacrificed offline-first mode to simplify state sync, requiring a live connection to edit documents.
2024
LeadFlow
GitHub ↗
I designed this automated pipeline management system to optimize lead generation and customer relationship tracking by processing heavy incoming webhook traffic reliably.
Next.jsFastifyDrizzle ORMPostgreSQLpgvectorBullMQ
Tap to reveal preview
01 / Tension
Processing thousands of concurrent email hooks and routing them to dynamic pipeline triggers without failing during spikes.
02 / What I Did
Setup BullMQ queues backed by Redis to buffer incoming webhook payloads, draining them via structured worker pools.
03 / Tradeoff
Prioritized ingestion rate over processing speed; webhooks are acknowledged instantly, even if worker threads take up to a minute to execute tasks.
2023
MediTrack
GitHub ↗
A comprehensive medical records and patient tracking system for modern healthcare facilities, built with strict encryption boundaries in mind.
Next.jsTypeScriptPostgreSQLHealthcarePatient RecordsDashboard
Tap to reveal preview
01 / Tension
Achieving strict HIPAA-compliant data encryption at rest and in transit without noticeably slowing down vital medical record retrieval.
02 / What I Did
Created a column-level envelope encryption scheme in PostgreSQL, decrypting records at the application boundary on a per-user session basis.
03 / Tradeoff
Prevented fuzzy searching on encrypted patient fields, requiring users to look up patients by exact ID or phone number.
2023
MusicShare
GitHub ↗
I wanted to listen to music with friends remotely without the classic '3, 2, 1, press play' countdown. This ensures real-time synchronized music playback for distributed parties.
ReactViteSocket.ioExpressWebSocketsAudio API
Tap to reveal preview
01 / Tension
Keeping audio playback synchronized within milliseconds across multiple web browsers over varying network latencies.
02 / What I Did
Designed a clock-sync protocol over WebSockets that continuously calculates network round-trip time and schedules audio play-events.
03 / Tradeoff
Degraded audio quality slightly for slow connections to prevent continuous buffering interruptions.
2023
TruthShield
GitHub ↗
Misinformation spreads faster than fact-checkers. I built this to cross-reference claims against verified sources and flag credibility issues in real time.
JavaScriptAINLPFact-checkingSearchVerification
Tap to reveal preview
01 / Tension
Analyzing and verifying the credibility of fast-moving viral text claims within seconds.
02 / What I Did
Built an NLP pipeline that extracts entities, queries credible knowledge bases in parallel, and scores claims using lightweight local LLMs.
03 / Tradeoff
Limited database lookup depth to three search hops, sacrificing exhaustive cross-referencing to return results in under 3 seconds.
2023
VirtualOffice
GitHub ↗
An AI-powered operations management platform acting as a remote workspace. Automates planning, supervision, and resource allocation in a 3D environment.
Node.jsExpressSocket.ioThree.jsWebRTCReact
Tap to reveal preview
01 / Tension
Creating an immersive 3D workspace with real-time video/audio feeds that doesn't melt the user's GPU and CPU.
02 / What I Did
Optimized Three.js rendering pipelines with frustum culling and low-polygon meshes, and integrated selective WebRTC mesh routing.
03 / Tradeoff
Limited the maximum active video streams displayed on screen simultaneously to 8, rendering others as static avatars.

SignalMotion / 3D

[03] · CAPABILITIES

What I
Build

Lead Time

» 2-4 Weeks

Start Project↗

[06] · ABOUT

The Operator

I started out hacking together quick MERN STACK projects and racing deadlines in competitive HACKATHONS. That's where I learned to move FAST. But as the systems grew, 'fast' wasn't enough ANYMORE.

I realized that a brilliant BACKEND is useless if the FRONTEND stutters, and a gorgeous UI is a liability if the DATABASE locks up. That's why I stopped building MVPs and started engineering FULL-STACK systems.

From zero-latency eBPF tracers to cinematic WebGL interfaces, I now build for SCALE, SPEED, and uncompromising AESTHETICS.

[ Channels ]

[ Metrics ]

Projects Shipped

40+

Production Systems

12+

Years Coding

Hackathons Won

TIMELINE // 07

[ REGION: APAC_MH ]

[ SEC_ID: 06_TIMELINE ]

[ COORD: 19.1172° N, 72.8576° E ]

[ SYSTEM_STATUS: ACTIVE ]

[ VELOCITY_MONITOR ]

DEVELOPMENT · DESIGN · INTELLIGENCE · EVOLUTION · CHRONO

ENGINEERING · PRECISION · PERFORMANCE · ARCHITECTURE · SYSTEMS

[05] · TRAJECTORY

Where I've Been

May 2025 – Aug 2025

Full Stack Developer

DBA Consultants · Internship

Worked across databases, data visualization with Python and Power BI, UI/UX design, and React development. Built web applications, designed database schemas, and crafted dynamic interfaces - from Figma prototypes to production-ready React.js components.

The Takeaway

This is where I learned that the gap between a working prototype and a production system is about 10x the effort.

ReactPythonPower BIFigmaFull-Stack

Sep 2024 – Present

B.E. Computer Engineering

St. Francis Institute Of Technology

Pursuing a Bachelor of Engineering in Computer Engineering. Actively applying coursework to real-world projects spanning AI/LLM pipelines, full-stack systems, and hackathon-grade builds.

The Takeaway

Theory without application is just trivia. I treat every assignment as a chance to engineer a real system.

Computer EngineeringAI/MLSystems Design

Oct 2021 – Jun 2024

Diploma, Computer Engineering

Thakur Polytechnic

Built a strong foundation in computer engineering fundamentals while developing practical skills across the MERN stack and graphic design. Graduated with hands-on project experience bridging design and development.

The Takeaway

This is where I fell in love with the terminal and realized design isn't just how it looks, but how it works.

MERN StackGraphic DesignJavaScript

[07] · CONTACT

HAVE

SOMETHING

BUILD?

[07] · CONTACT

Let's talk.

[ Direct ]

arshvirsk26@gmail.com

Fiverr

fiverr.com/arshvirsinghk ↗

Upwork

upwork.com ↗

Avg. Response~6 Hours

AvailabilityQ3 Open

TimezoneIST · UTC+5:30

[ Brief ]

ARSHVIR SKALSI

What I Believe

I build for production, not for presentations.

A great app needs to look as good as it works.

Keep it simple, so it can actually scale.

System Preferences

System Preferences

What I Reach For

Frontend Development

Backend Development

Databases

Mobile Development

Artificial Intelligence

Machine Learning

DevOps & Cloud

APEX

Selected Projects

AeroTrack

DevHub

FaceVault

Other Endeavors

Ghost Banker

GroupLore

LeadFlow

MediTrack

MusicShare

TruthShield

VirtualOffice

What IBuild

What IBuild

AI & LLM Systems

Full Stack Web

Backend APIs

Admin UIs

AI & LLM Systems

Full Stack Web

Backend APIs

Admin UIs

The Operator

Where I've Been

Full Stack Developer

DBA Consultants · Internship

B.E. Computer Engineering

St. Francis Institute Of Technology

Diploma, Computer Engineering

Thakur Polytechnic

Let's talk.

What I Believe

I build for production, not for presentations.

A great app needs to look as good as it works.

Keep it simple, so it can actually scale.

System Preferences

System Preferences

What I Reach For

Frontend Development

Backend Development

Databases

Mobile Development

Artificial Intelligence

Machine Learning

DevOps & Cloud

APEX

Selected Projects

AeroTrack

DevHub

FaceVault

Other Endeavors

Ghost Banker

GroupLore

LeadFlow

MediTrack

MusicShare

TruthShield

VirtualOffice

What IBuild

What IBuild

AI & LLM Systems

Full Stack Web

Backend APIs

Admin UIs

ARSHVIR S
KALSI

What I
Build

What I
Build

What I
Build

What I
Build