K.kaylem
INITIALIZING000
SYSTEM / PORTFOLIOv1.0 · 2026
Available for new work · Q2 2026

Full-stack engineer
crafting fast, clean
software.

I’m Kaylem — a full-stack engineer who designs and ships trading platforms, options-flow terminals, ecommerce, and social products. I care about how software feels, not just how it works.

STACK
Next · TS · Node · Py
full-stack · 6+ yrs
SHIPPED
12+
production products
FOCUS
real-time UIs
trading · data · speed
SCROLL
01 — About

Software that moves — built end to end, by one engineer.

I’m a full-stack engineer with a focus on the kind of interfaces that have to be fast, precise, and worth looking at. Real-time trading systems, authentication infrastructure, a gaming social platform, ecommerce — the surface varies, the standard doesn’t.

I write the Next.js, the TypeScript, the Node services, the Python data pipes, and the CSS that ties it all together. I care about latency budgets, animation feel, type safety, and how a product looks at 3am when you actually need it to work.

  • BasedRemote · global
  • Experience6+ years full-stack
  • Specialtyreal-time, trading UIs
  • Status taking new work
02 — Selected work

Designed, built
& shipped.

A tour of recent work — real-time trading systems, developer infrastructure, a gaming social platform, and the product surfaces built for people who actually rely on them.

012025

Pluto GEX

Options Flow Terminal

Real-time gamma exposure, dealer positioning, and volatility surfaces — computed across every strike and expiration. 30+ live views, one workspace.

  • Next.js
  • TypeScript
  • Python
  • WebSockets
  • Redis
RoleLead engineer
Visit live site
gexpluto.com
NET GEX
+$1.42B
Regime · LONG γ
GAMMA WALL
QQQ 480
$892M notional
QOTE SWEEP
$4.7M
NVDA 920C
022026

Hyper Auth

Open-Source Auth

Open-source, drop-in authentication for any product — Google, Apple, GitHub, X, email and phone sign-in behind one SDK, with sessions, security and a hosted login UI.

  • Next.js
  • TypeScript
  • OAuth 2.0
  • JWT
  • Postgres
RoleCreator & engineer
Open source · in dev
Hyper Auth
app/login.tsxopen source · MIT
1import { HyperAuth, useSession } from "@hyper/auth"
2
3// open source · MIT · self-host or cloud
4export default function Login() {
5 return <HyperAuth
6 providers={["google", "apple", "x"]}
7 appearance={"dark"}
8 onSignIn={(user) => route(user)}
9 />
10}
Hyper AuthSign in to continue
Open source
GoogleAppleGitHubX
or continue with email
name@company.com
Continue
Secured by Hyper Auth
032026

Respawn

Gaming Social Platform

A social platform where gamers upload, clip and share their best moments — feeds, follows, reactions and a short-form video pipeline built to scale.

  • Next.js
  • TypeScript
  • Node
  • WebSockets
  • S3 · CDN
RoleFounder & developer
In private beta
Respawn
respawn
For youFollowingLive
CS20:18
Insane 1v4 clutch@nova · 12.4k views
Valorant0:42
Trickshot montage@ace · 8.1k views
Apex1:03
Comeback of the year@kz · 22k views
Fortnite0:27
Ranked grind W@blitz · 5.3k views
042026

Coinpulse

Crypto Charting Platform

A real-time crypto markets terminal — live price charts, depth, watchlists and portfolio tracking across hundreds of pairs, streamed over WebSockets.

  • Next.js
  • TypeScript
  • WebSockets
  • Canvas
  • Redis
RoleCreator & engineer
In private beta
Coinpulse
BTC / USDCoinpulse · spot
$67,420.18▲ 2.41%
1H1D1W1M● Live
$68k$66k$64k
Mar 07Apr 07May 06
24h High$68,104
24h Low$65,210
24h Vol$1.24B
Markets
BTCBitcoin
$67,420+2.4%
ETHEthereum
$3,512+1.1%
SOLSolana
$182.40−0.8%
AVAXAvalanche
$41.06+3.2%
Portfolio balance$48,210.55+$2,140 · 4.6%
052026

Cadence

Music Streaming App

A music-streaming app with a UI of my own — library, playlists, search, a live queue and a now-playing experience designed for the music, not the clutter.

  • Next.js
  • TypeScript
  • Web Audio
  • Node
RoleDesigner & developer
In private beta
Cadence
Cadence
Home
Search
Library
Playlists
Liked Songs
Focus Flow
Late Night
Workout
Good evening
Midnight DriveSynthwave
Deep FocusInstrumental
Golden HourIndie
Neon NightsElectronic
Midnight DriveAphex · Neon Sessions
1:423:38
062025

Project Spark

Course Platform · Client

A membership site for a futures-trading mentorship — tiered pricing, member area, live-session scheduling and Discord access. Built end to end for a client.

  • Next.js
  • TypeScript
  • Stripe
  • Discord OAuth
RoleDesign & build
Visit live site
sparkzytrades.vercel.app
Project SparkApply →
NOW OPEN · MONTHLY · 1-ON-1
Pick a tier.
Show up tomorrow.
Join a tier and you’re in the Discord and on tomorrow’s pre-open.
Apply for accessPublic Discord →
ONE MENTOR · 8 LIVE MOMENTS / WK · NQ FUTURES
072026

Sync Trades

Copy-Trading Engine

Sub-15ms copy-trading and journaling stack — mirror multi-account trades in lockstep with risk guardrails and a journal that doubles as art.

  • Next.js
  • TypeScript
  • Node
  • WebSockets
  • DxFeed
RoleFounding engineer
Source coming soon
Sync Trades
sync.
Overview
Pilot
PulseLive
Squads
Guardrails
Bridges
Ledger
Insights
Daybook
Recap
Free until launch
p99 · 14ms
Jump to anything…⌘K LIVE · synced
T
My Squad@trader · 5 accounts · 1 source
Snapshot
Day P&L · MNQZ5
+$10,950.80
7 in sync · p99 14ms · 6 mirrors
Open P&L+$353,604.00
Equity$844,482.57
Open positions 7 live
MirrorAccountSideBalanceDayOpen
TradovateMFFU…861006↗ LONG$149,087.66+$1,564.40+$70,548.00
DxFeed VolumetricaMFFU…682044↗ LONG$149,542.18+$1,564.40+$432.00
ProjectXS1AU…621706↗ LONG$48,352.94+$1,564.40+$70,548.00
082024

Pluto Shop

Ecommerce

End-to-end ecommerce build — storefront, cart, checkout, inventory and order admin. Stripe-backed, single-page-app feel.

  • Next.js
  • TypeScript
  • Stripe
  • Postgres
RoleFull-stack
Source coming soon
Pluto Shop
Search products…Cart · 2
AllTeesCapsOuterwear
NEW
Capsule 014.9
$48.00Add +
−20%
Capsule 024.8
$38.00$48.00Add +
NEW
Capsule 035.0
$52.00Add +
092025

SAKA Trades

Mentorship Platform

Private NQ-futures mentorship platform with members area, curriculum, live sessions, and integrated Whop & Discord authentication.

  • Next.js
  • TypeScript
  • Whop API
  • Discord OAuth
RoleFull-stack build
Visit live site
sakatrades.com
NQ FUTURES · MENTORSHIP OPEN
Trade NQ.
With us.
A private NQ-futures mentorship. Live sessions, daily setups, and the SAKA framework.
Join on Whop →Discord →
102026

Devlog

Engineering Research

An in-progress, module-by-module account of how I build for the web — architecture decisions, trade-offs and deep dives, written to teach as much as to document.

  • Next.js
  • MDX
  • TypeScript
RoleAuthor
In progress
Devlog
Modules
Foundations
Rendering
03Server state
04Data layer
05Performance
2 / 12 modules
Module 03 — Server state
Caching without the foot-guns
const data = useQuery(key)
● Writing in progress
03 — Stack

The tools I’ve put real miles on.

/01Languages
  • TypeScript
  • JavaScript
  • Python
  • SQL
  • C / C++ (learning)
/02Frontend
  • React
  • Next.js
  • HTML
  • CSS
  • Three.js
  • Framer Motion
  • Unicorn Studio
/03Backend
  • Node.js
  • Express
  • Flask
  • REST APIs
  • WebSockets
/04Data & Auth
  • MongoDB
  • MySQL
  • Firebase
  • Stripe
  • Auth (OAuth · SSO)
/05Tooling
  • Git
  • GitHub
  • GitHub Actions
  • Vercel
  • Figma
04 — Contact

Got a hard problem?
Let’s build it.

Trading platforms, real-time tools, ecommerce, social, interfaces that have to be fast — if you’ve got something ambitious, I want to hear about it.

EMAILkaylem312@gmail.com