Fractional Technical Leadership • 4+ Years Experience

Fractional engineering leader for product teams

I partner with funded startups and engineering teams to unblock velocity, ship high-concurrency web products, and eliminate technical debt.

[SYS: ARCHITECTURAL_CORE]
FPS: 60 // 0.18ms
[GEOMETRY: QUANTUM_LATTICE]
ROT: +0.14 / +0.28
Brands I've worked with
Klarna.
Spotify
stripe
Vercel
supabase
LINEAR
UNIBET
studentbeans
GitHub
Retool
Klarna.
Spotify
stripe
Vercel
supabase
LINEAR
UNIBET
studentbeans
GitHub
Retool

Growth comes from delivering faster than competitors

Speed is not about writing messy code quickly; it is about senior architectural foresight that eliminates redundant layers, aligns engineering with commercial objectives, and ships with zero friction.

10+
Partners
45+
Shipped Apps
14.5M+
Peak Scale
4+
Years Exp
Selected Cases

Strategic engineering engagements

View all 5 cases & archive
310% increased checkout velocity on Mobile Web
Nordic Harvest2025+310% Checkout Velocity

310% increased checkout velocity on Mobile Web

Re-engineered a multi-step checkout pipeline into a sub-second edge flow, unlocking record mobile conversion rates.

#Next.js 15#Edge Runtime#Tailwind CSS
Read Case
How architecture refactoring took SaaS platform from 4s to 180ms TTFB
Fundler SaaS2025

How architecture refactoring took SaaS platform from 4s to 180ms TTFB

Eliminated cascading API waterfalls and optimized SSR caching, reducing time-to-first-byte by 95.5%.

4s → 180ms TTFBDetails
Leadership buy-in in a 5-day Lean Architecture sprint
iLab Innovation2024

Leadership buy-in in a 5-day Lean Architecture sprint

5-Day Sprint to $4.5M Road-mapReview
230% conversion lift on B2B Marketplace in three weeks
BonfyDeals2024

230% conversion lift on B2B Marketplace in three weeks

+230% Conversion LiftReview
Next.js 15 enterprise platform handling 14.5M annual visits within strict regulatory framework
Systembolaget Enterprise2023

Next.js 15 enterprise platform handling 14.5M annual visits within strict regulatory framework

14.5M Visits / 99.99% UptimeReview
How I Work

Four phases, measurable results

Phase 01Protocol

Diagnosis

I embed with your team and audit where the engineering is leaking: velocity, latency, architecture, reliability. I trace every friction point to its root cause. Nothing gets reorganized without evidence.

Direct Integration
Phase 02Protocol

Architecture

With your product and engineering leadership, we settle what is worth building and map every technical initiative directly to its commercial impact. Bets with expected returns, not an arbitrary feature backlog.

Direct Integration
Phase 03Protocol

Sprint

I ship alongside your team and build the core production patterns they scale with. Every release is measured against the latency, concurrency, and reliability benchmarks we set. Coaching happens in the code itself.

Direct Integration
Phase 04Protocol

Scale

Architecture, system contracts, and CI/CD quality standards get thoroughly documented and owned by your internal engineers. The standard holds whether I am in the room or not.

Direct Integration

The hand over closes the engagement. It usually opens the next one.

Fahad Rehmani — Fractional Tech Lead and Principal Next.js Software Architect with 4+ years engineering high-scale web platforms
Fahad RehmaniUTC+5 (PKT)
Founder & Principal Engineer

My name is Fahad. I've been engineering web products for 4+ years.

I partner with founders and engineering leaders when conventional agency models fail. Over the past 4+ years, I have navigated high-traffic launches, legacy codebase refactors, and mission-critical full-stack sprints.

My role is simple: eliminate technical friction, unblock development velocity, and introduce architectural rigor that allows your internal team to ship with confidence long after my assignment concludes.

Frequently Asked Questions

Before you book

A fractional engineering leader acts as your high-leverage technical executive and principal builder without the full-time C-suite overhead. I embed directly with your founders and engineering team to unblock architectural bottlenecks, set technology roadmaps, make mission-critical stack decisions, and write key foundational code alongside your developers.

Next Step

I take on one or two assignments at a time.

I work with a few select clients where I can make a transformative impact. Let's see if we are a good fit.