Ahtshamdev
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Ahtshamdev

Mobile & full-stack engineer

Summary

Seven years shipping iOS and Android apps with React Native, Swift and Kotlin, plus the web consoles, storefronts and Node services around them. Most of my work is for people using an app at a job site, on a delivery route or at a pharmacy counter, where a spinner is not an option.

Experience

Senior mobile engineer, Northpass Logistics

2023 – now

Own the courier app and its real-time dispatch channel. Mentor three engineers and run the mobile release train, shipping every two weeks.

Lead mobile engineer, Tidewell Systems

2021 – 2023

Rebuilt field inspections as an offline-first React Native app and designed the sync protocol with the backend team.

Full-stack developer, Brightline Studio

2019 – 2021

Agency work for health and fintech clients: native iOS, Android and the Node or Kotlin services behind them.

Freelance developer, Self-employed

2018 – 2019

Built websites and first mobile apps for local businesses while finishing a BS in Computer Science.

Selected projects

Tidewell, offline-first inspections for water utilities

2022 – 2023

11,400 inspections filed per month; 0 lost edits since launch; 38% less time per inspection. React Native, TypeScript, SQLite, WatermelonDB, Node.js, PostgreSQL, PostGIS.

Kilo Courier, live routing for a same-day grocery fleet

2023 – now

900 drivers on shift daily; −46% battery use per shift; 1.8s order to driver, p95. React Native, Expo, Reanimated, Node.js, WebSockets, Redis, PostgreSQL.

Dose, medication reminders designed for older eyes

2021

4.8 App Store rating, 2,300 reviews; 91% doses logged on time, month 3; AX5 largest Dynamic Type, fully supported. Swift, SwiftUI, HealthKit, WidgetKit, Core Data, CloudKit.

Ledger, shared budgets for households

2020

60k installs in the first year; 4.7 Play Store rating; < 1s cold start on a Moto G7. Kotlin, Jetpack Compose, Room, Hilt, Ktor, PostgreSQL.

Kilo Dispatch, a live control room for 900 couriers

2024

900 couriers tracked live; 60fps map with the full fleet on screen; −31% late orders in the first quarter. Next.js, React, TypeScript, MapLibre GL, WebSockets, TanStack Query, Playwright.

Loom & Field, a storefront that loads before you blink

2022

1.2s largest paint on 4G, was 4.1s; +23% mobile conversion rate; 99 Lighthouse performance score. Next.js, React, TypeScript, Shopify Storefront API, Vercel, Sanity.

Skills

Mobile. React Native and Expo, Swift and SwiftUI, Kotlin and Jetpack Compose. Offline data, background work, push, deep links, widgets and store releases.

Web. Next.js and React with TypeScript, real-time dashboards, headless commerce, Core Web Vitals work and accessible, responsive interfaces.

Backend. Node.js and TypeScript, Ktor, PostgreSQL and PostGIS, Redis, WebSockets. APIs designed around what the app needs on a bad connection.

Quality. Detox and Maestro end-to-end tests, performance profiling on real low-end devices, crash triage, CI with Fastlane and EAS.

Education

BS Computer Science, University of the Punjab, 2019