Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

iOS Engineer focused on building fast, reliable mobile applications that scale to millions of users. Experienced in SDK architecture, performance optimization, offline capabilities, and messaging-driven applications. Known for improving speed, stability, and user experience while shipping production-grade features in cross-functional environments.…

Faraz Ahmed

App Developer, Front-End Developer, Back-End Developer, +2





iOS Engineer focused on building fast, reliable mobile applications that scale to millions of users. Experienced in SDK architecture, performance optimization, offline capabilities, and messaging-driven applications. Known for improving speed, stability, and user experience while shipping production-grade features in cross-functional environments.…

Available to hire

iOS Engineer focused on building fast, reliable mobile applications that scale to millions of users. Experienced in SDK
architecture, performance optimization, offline capabilities, and messaging-driven applications. Known for improving
speed, stability, and user experience while shipping production-grade features in cross-functional environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

German

Intermediate

Work Experience

iOS Engineer - Working Student at Verimi GmbH

December 1, 2025 - Present

Developed and scaled SDK-based mobile identity solutions as part of Verimi’s Wallet-as-a-Service platform; contributed to SDK architecture enabling secure authentication and credential workflows across partner applications; reduced authentication latency by ~12%, and improved perceived responsiveness by ~15% through optimized caching and rendering.

Wissenschaftliche Hilfskraft - Working Student at Fraunhofer IOSB-AST

April 1, 2025 - November 1, 2025

Supported software quality initiatives by creating technical documentation and maintaining online help systems; designed regression test matrices and executed structured testing to ensure platform reliability; contributed to continuous improvement across energy research projects.

iOS Engineer - Working Student at Appsfactory GmbH

December 1, 2022 - November 1, 2024

Delivered complex features for large-scale consumer apps including Tagesschau and Deutschlandfunk. Improved app speed by 14% via profiling and refactoring; reduced crashes by 7% and increased user engagement by 12%; implemented advanced caching, offline sync, optimized rendering, and enhanced push notifications; expanded unit test coverage and strengthened CI pipelines; collaborated with product, backend, and security teams to ship reliable mobile infrastructure.

iOS Engineer - Remote Contract at Brossard App Design

July 1, 2021 - September 1, 2022

Led end-to-end development of multiple iOS/iPadOS apps; built real-time features including messaging and location-based task assignment; reduced bug reports by 15% and increased feature adoption by 10%; developed an ML-powered photo recognition shopping app improving detection accuracy by 25%; optimized multithreading workflows to boost user retention.

iOS Engineer - Full-time at iTack Solutions

January 1, 2021 - December 1, 2021

Built healthcare apps supporting offline sync and secure messaging between doctors and clinics; integrated Bluetooth medical devices to improve health data tracking; developed real-time health monitoring features with live telemetry; strengthened secure data handling in regulated healthcare environments; built dashboards and data visualizations for user-facing features.

Junior iOS Engineer - Full-time at Byte Shift

December 1, 2019 - December 1, 2020

Delivered UI enhancements and backend optimizations improving app stability by 15%; reduced user drop-off by 5% through UX improvements; contributed to chat and video calling features using Twilio and REST APIs.