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Subash Luitel

5.0

(333 reviews)

US$29.00

For every 15 mins

595

Sessions/Jobs

First 15 mins free for your first session

ABOUT ME

Senior iOS engineer (worked at Meta)

Senior iOS engineer (worked at Meta)

Ex-Meta Software Engineer with 10+ years of experience scaling apps used by billions (WhatsApp, Instagram, Facebook) and bootstrapping zero-to-one startups from scratch. I mentor developers and technical teams on software architecture, performance optimization, concurrency, and senior-to-staff career execution. If you need battle-tested engineering guidance to unblock complex problems, let’s connect.

English

Central Time (US & Canada) (-05:00)

Joined April 2016

EXPERTISE

12 years experience | 203 endorsements

I've been a building iOS apps for 12 years. I have launched many new apps as well as worked on apps used by billions of users like WhatsA...

I've been a building iOS apps for 12 years. I have launched many new apps as well as worked on apps used by billions of users like WhatsApp, Instagram and Facebook.

Auto Layout Swift Objective-C

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Auto Layout Swift Objective-C Parse.com Coreimage Gpuimage

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10 years experience | 195 endorsements

I have been working on swift since its release. I love swift.

I have been working on swift since its release. I love swift.

Protocols Optionals Swif

Protocols Optionals Swif

12 years experience | 55 endorsements

I have been developing various apps in objective C for over a decade.

I have been developing various apps in objective C for over a decade.

AVFoundation UIKit Coreimage

AVFoundation UIKit Coreimage

12 years experience | 171 endorsements

I have been using XCode for more than a decade.

I have been using XCode for more than a decade.

REVIEWS FROM CLIENTS

5.0

(333 reviews)

Matthew Chun

January 2019

Subash is my go to guy for solving some of our most complicated engineering task!

Matthew Chun

November 2018

Subash and I learn something new every time. My go to guy when it comes to problem solving and creating a beautiful experience for our users!

Removed User

September 2018

Fantastic! Solved a problem I was struggling with for days in 15 minutes!

Andy

September 2018

Extremely helpful; understood my question and provided a specific answer.

Vern Crawford

August 2018

Another excellent session! Very happy with his help! He is kind, patient, helpful and very knowledgeable. Highly recommend!

Removed User

August 2018

Subash was a clear communicator, and patient with me. He helped figure out how to solve the problem I was encountering, and providing some examples of cleaner, safer code.

Vern Crawford

August 2018

Very impressed with Subash. Took care to carefully understand my needs, and didn't rush through a solution. Will absolutely work with again!

Tom Hammond

July 2018

Subash was very knowledgeable and super helpful. I highly recommend to anyone with any iOS requests!

Alisha

July 2018

Very helpful!!! Great tutor!!

Enrique Sepulveda

June 2018

Perfect as always

EMPLOYMENTS

Software Engineer

Meta Platforms Inc

2019-10-01-2026-07-01

High-Scale Feature Delivery: Architected, developed, and maintained core iOS features across Meta’s flagship applicat...

High-Scale Feature Delivery: Architected, developed, and maintained core iOS features across Meta’s flagship applications (WhatsApp / Instagram / Facebook), supporting billions of daily active users with strict SLA and reliability constraints.

Performance & Memory Optimization: Led performance optimization initiatives across critical user flows, driving measurable reductions in app launch time, memory footprint, and battery drain while maintaining a >99.9% crash-free user rate.

Architecture & Codebase Evolution: Driven major codebase modernizations, migrating legacy Objective-C/C++ codebases to modern Swift, implementing clean modular architectures, and improving developer velocity for cross-functional engineering teams.

Infrastructure & Reliability: Built robust, asynchronous networking layers, caching strategies, and local data persistence pipelines capable of handling high-concurrency real-time data under poor network conditions.

Mentorship & Technical Standards: Led system design reviews, established mobile engineering best practices, and mentored mid-level to senior engineers on advanced Swift/iOS concurrency, memory profiling, and production debugging.

PHP

Java

React

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PHP

Java

React

Kotlin

JavaScript

Objective-C

React Native

Swift

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