Kumar Shubham

Senior iOS Engineer with 6 years building consumer-scale Swift applications. Currently working at the platform layer of a 20+ module Swift Package codebase at Allen Digital — authoring shared frameworks, owning multi-release migrations, and writing the architecture docs other feature pods build against.

Previously shipped payments, seat selection, and core booking flows at redBus (tens of millions of users, 4.7★ App Store rating). Author of MDLatex, an open-source Swift Markdown + LaTeX rendering package.

Bengaluru, India · B.E. Computer Science, SIT · Open to relocation (Europe / US).

Experience

SDE II (Senior iOS). Platform frameworks & SDUI.

RedPay payments & UIKit → SwiftUI migration.

Interactive seat selection & transaction retries.

Projects & OSS

Swift Markdown + LaTeX renderer on Swift Package Index.

SafeDecoder

Recursion-free JSON scanner eliminating stack overflows.

Live Activity

ActivityKit framework with zero-CPU lock-screen timers.

Recognition

Hackathon 1st

Allen Digital 24h: on-device Core ML AI assistant.

Trailblazer Award

redBus FY22 Q1 recognition (top 1% of engineers).

Research Paper

Grenze Scientific Society: AI video monitoring.

Now

Focusing on deep platform engineering, Swift Concurrency, and system reliability. Imbuing quality in software architecture—crafting shared frameworks and primitives that other feature teams build against.

Exploring on-device machine learning with Core ML, server-driven UI pipelines, and memory-safe parsing engines. Mindful that every millisecond saved in a core user funnel impacts millions of daily interactions.

Connect

Reach me on LinkedIn, GitHub, by phone at +91 75459 62949, or via email at the.official.kumar.shubham@gmail.com.

I’m reciting that quality affects all aspects of my pursuits. I want to imbue quality in everything I do. This skill develops while doing. Not thinking, not imagining, doing. It is learned through learning and experimenting and consistency and pacing.