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I'm

Nedim Fakić

Senior Mobile Engineer with focus on iOS development and security based in Europe

Look at my GitHub

About Me
Resume
Portfolio
Tech Stack
Blog
Contact

Name
Nedim Fakić
Mail
[email protected]
Whatsapp / Viber

Phone
Favorite Dinosaur
Apatosaurus

About Me

Mobile Engineer

I am a highly motivated problem solver with a strong focus on creating complex products with an emphasis on security. I have a passion for finding solutions and delivering high-quality products.

Hi! My name is Nedim and I am an iOS Engineer at HTEC Group and part-time senior iOS consultant at Proxify. In my free time, I am building a self-hosted mobile analytics platform, which includes developing SDKs and deployment tooling. I have a passion for researching apps and understanding how they work.

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Resume

Experience & Awards

Experience

Proxify
Senior iOS Consultant - part time engagment

April, 2023 - PRESENT
- To early to list anything.
HTEC Group
iOS Engineer

June, 2022 - PRESENT
- Developed and implemented core features for interpreter language service, including material design UI components and MVI architecture
- Patched and upgraded numerous legacy features, utilizing safe and secure coding practices such as RxSwift principles
- Successfully deployed code to solve legacy memory leaks and improve overall performance
- Experienced in working with core modules and implementing features to enhance user experience
Bicom Systems
Software Engineer at iOS and Networking Team

2019 - June, 2022
- Collaborated with team to develop internal network monitoring system, including designing a web dashboard and writing Go microservices which reduced time and increased efficiency in gathering internal data by 95%
- Acted as product owner for the network monitoring system's native iOS and Android app, designing and implementing all features and implementing cross-platform notification delivery
- Led the development of an ObjC iOS app utilizing the PJSIP C library to establish calls through PBX servers, integrating with the iOS ecosystem through CallKit
- Created an internal mock tool from scratch for smart testing of Glocom's messaging platform, able to mock tens of thousands of message requests for stress testing and featuring advanced end-to-end communication through a custom-built TCP socket client
- Received extensive training in networking, including writing TCP/UDP servers and clients with advanced file sharing capabilities.

Honors & Awards

Valedictorian
School achievement

May, 2022

Received highest honors, awarded to only one student in my graduating class, for achieving the highest GPA and the most notable achievements in high school (5.0/5.0).
ITReboot
2nd place on ITReboot

Oct, 2021

Awarded second place at ITReboot for an innovative AR app designed to enhance the tourist experience of the city of Travnik. This app can be found in the portfolio section.
WhatTheHack
Best Product

Jan, 2021

Awarded first place for the app that uses hand gesture recognition to trigger actions in the streaming program OBS.
FIT Challenge
2nd place on FIT Challenge

Jun, 2020

Awarded second place as youngest competitor for most complex category - CTF (Capture the Flag),

Portfolio

My Projects

Details
Tweetly
Download from App Store | Tweetly Landing Page
iOS app to transform a boring looking tweet to astonishing masterpiece ready to be shared on all social platforms

Tweetly helps you to create astonishing Tweets that you can share on all of your social media in seconds, unlock your creativity with vast customizable options, go above and beyond in your creative ways! Tweetly is opening new doors to your social marketing strategies With Tweetly you can drastically improve your social media reach. Spend time on writing your content and use Tweetly to share its value across all of your brand platforms. Tweetly top-notch features:

Pin Tweet to any video and revolutionize your marketing strategies

Search for over 1M+ photos or use your own as background.

You can customize every aspect of your Tweet.

By using our powerful 'Dynamic Colors', Tweets will adapt to your background automatically

Utilize a vast variety of supported Tweet layouts

Create Instagram worthy content and share with your followers right from the app

Copy Tweets without saving them on your device and just paste them right into any popular messaging apps

Create award-worthy Fleets
Technologies

Swift

UIKit

AVFoundation

Date December, 2020

Key Points

Consumed Twitter, Unsplash, Pexels RESTful API

Created costume tweet layouts

Rendering video with layer on top of it in FULL HD

Handle 1000s of customer requests

Bug free: 99% up rate
Details
Travel Travnik AR
Download from App Store | Code on GitHub
iOS app to experience city of Travnik trough AR and assist tourists by smart routing new visit

Travel Travnik AR is app that lets you experience Travnik City in totally new way! If you are bored with current way of researching cities and learning about historical important monuments this app is for you! Explore history trough AR, learn about all the monuments by positioning your phone in 3D space! App contains 30+ handpicked locations that you can visit while in city App also has advance turn-to-turn navigation currently in experimental phase!

Destination Rich Travnik City Map

Read About Monuments in AR

Information About City Monuments

Information About City Restaurants
Technologies

Swift

UIKit

SwiftUI

MapKit

ARKit

CoreLocation

Date October, 2021

Key Points

Turn to Turn navigation, as seen in Google Maps or Apple Maps

Mix of SwiftUI and UIKit to achieve fast development time

ARKit scene and special layer formatting

100s of locations entered by hand

Bug free: 95% up rate
Details
ARDeck
Source code not available.
iOS app that uses hand gesture recognition to trigger actions in the streaming program OBS.

ARDeck was 24-h effort of team, their Twitter handles: @asilver, @Ezra_Black_, @sammcgxrry One of my teammates wrote blog post about our journey, check it here link to Alex's Medium Article
Technologies

Swift

UIKit

ARKit

Vision

Websockets

Date January, 2021

Key Points

Built a functioning prototype in 24 hours

Built communication between OBS and iOS app trough websockets

Trained MLModel to recognize different hand posses

Used ARKit and Vision framework

Bug free: 95% up rate
Details
BicmXCall
Source code not available.
iOS app that imitates soft phone, capable of making and accepting calls.
Technologies

ObjC

CallKit

UIKit

Date June, 2021

Key Points

SIP phone with support for any VoIP server

Fetch contacts using CallKit

Save data in local storage using SQLite

Resolve calling states

PJSIP building and integration

Complex AutoLayouts views in ObjC manner
Details
NOC
Source code not available.
iOS app that shows complex network metrics in simple custom views.

App contains numerous screens and features, that are still in active development, hence can't be disclosed, and it's labeled as internal tool.
Technologies

Swift

SwiftUI

Date August, 2021

Key Points

Product Owner

Consuming RESTful API

Complex custom layouts to showcase information in compact way

List of data fields

Complex Graph Metrics
Details
Internal Tool
Source code not available.
iOS app that mocks network requests for testing company's flagship product.

App contains numerous screens and features, that are still in active development, hence can't be disclosed, and it's labeled as internal tool.
Technologies

Swift

SwiftUI

Realm

CocoaAsyncSocket

Date Dec, 2021

Key Points

Product Owner

Advanced Socket communication

Complex custom layouts to showcase information in compact way

List of data fields
Details
[REDACTED]
Source code not available.
iOS app to share photos and videos as strips.
Worked as solo developer on iOS side, in which time I've added features such as:

Watermarked content

Tagging on canvas, rendering tags in feed

Archive posts

Chat

Sharable links ex.(appname://user?=nedimf&postId=3)

App contains numerous screens and features, that are protected under NDA.
Technologies

Swift

UIKit

Firebase

Storyboard

Deep-Links

Date April, 2020

Key Points

Complex archived codebase

High delivery standard

Innovative solutions

Complex layouts with high responsiveness
Details
TrackIT
Code on GitHub
iOS app for tracking infections in communities.

Application is light-weight because of a limited number of libraries that are used in development. We strived to achieve as many as possible without requiring an external library. This project has been completely free of CocoaPods and every library was implemented trough Swift Package manager to ensure greater stability. User interface stability has been achieved mostly using a storyboard. App user interface follows Human interface guidelines.
Technologies

Swift

CoreBluetooth

Realm

Date April, 2020

Key Points

Product Owner

Consuming RESTful API

CoreBluetooth communication, and testing BLE devices
Details
RedditSticker
Source code not available.
iOS app for sharing Reddit posts as stickers that can be pinned on Instagram stories.
Technologies

Swift

Storyboard

CoreImage

Regex

Date April, 2020

Key Points

Consuming RESTful API

Regex parsing to check if reddit post is valid

Saving as Photo

Share generated CoreImage
Details
Najt
Source code not available.
Kotlin Multiplatform app for experiencing night out in totally new and unique way.

Najt is KMM app that I've started developing in summer of 2021, so far app is finished 60% where backend and good portion of Android layouts have been implemented! App development was delayed, but not halted.
Technologies

Kotlin Multiplatform

Ktor

Coil

Websocket

Camera2

XML Layouts

Date June, 2021

Key Points

Consuming RESTful API

OTP to register an account

Uploading files

Websockets connection to feed data in realtime
Details
NOC
Source code not available.
Android app that shows complex network metrics in simple custom views.

App contains numerous screens and features, that are still in active development, hence can't be disclosed, and it's labeled as internal tool.
Technologies

Kotlin

Retrofit

Material Design

Date June, 2021

Key Points

Product Owner

Consuming RESTful API

Complex custom layouts to showcase information in compact way

List of data fields

Complex Graph Metrics
Details
MASK - AQI monitoring
Download from Play Store
Android app to monitor air quality in the world, with unique ability to compare cities worldwide. Mask's main function is to be a useful companion in your day to day routine.
Mask is built by having simplicity in mind. Every aspect is modular and easy to understand.
Mask provides you the ability to learn about various harmful pollutants in the air.
By using always on top notification technology Mask lets you to always be notified about air quality data even if the app is closed.
Main features:

Powerful AQI monitoring

Showing precautions that you should take on various AQI levels

Robust analytics and comparison between 2 cities

Information about various pollutants (SO2, NO2, CO, H, PM2.5, PM10)

Always on top notification for easy access

Share air quality data with your friends and family and keep them safe

Mask app has received great traction on its launch, and so far have been downloaded 1000s of times, mostly in Bosnia and Herzegovina. I've presented this app on numerous TV appearances, most notably on national TV channel N1 in January 2020.
Some interviews I've done for this app:

OKanal

Avaz.ba

I was approached with an offer to do 5-minute short movie for the project "Ways of the Heroes" about this app in June, 2021. Movie was done by team at Eho Animato
Watch 5-minute documentary
Technologies

Kotlin

Retrofit

Mapbox

XML Layouts

Date January, 2020

Key Points

Consuming RESTful API
Response to 10s of features requests
Details
Bond Gallery
Source code not available.
Android app to make bond calculations easy

Bond Gallery is bond calculation app. In app there is options to:

Apply for Home Loan

Bond Affordability calculator

Bond Repayment calculator

Bond and Transfer Cost calculator

FAQs

App also had Node service attached to it to generate PDF for bond repayment.

Client words after I've completed project:

"Nedim is a very good developer for Android mobile application, I was very happy with his communication, work ethic and the way that he did this work, I will always use him again and recommend him to anyone who needs a good android developer! Thank you Nedim!"

App was done for client from South Africa. App is only available in South Africa.
Technologies

Java

Firebase Database

Calculations

NodeJS

XML Layouts

Date June, 2019

Key Points

Advance calculation

Downloading files

Following designer mockup

Custom layouts

Custom navigation behaviour
Details
Gapp
Source code not available.
Android to help students keep track of all the events and important school-related activities.

Never miss out on school ads that can be of great importance to you and your education. An online library is one of the options provided by this application. All the books are at your fingertips. Here you can find some of the students who have left a positive mark on our school. In addition, you have access to a sos box that is there to solve your problems. The Sos box is a place where you can write anonymously all the problems you have inside or outside the school, all the suggestions and suggestions for the school work.
The app contains:

School Ads

Class ads

A school online library

SOS box

and more
Technologies

Java

Firestore

Notifications

XML Layouts

Date April, 2019

Key Points

Simple design for students

Notification delivery

Fetching files
Details
ZeForge App
Demo Video
Android to app developed for ZeForge community to track meetup attendance.
Technologies

Java

Firestore

XML Layouts

Date January, 2018

Key Points

Simple design for attendees

QRCode scanning

CRM feature inside of app, to schedule/cancel next meetup
Details
Spark Airlines
Demo Video
Android to help schedule fake flights

Spark airlines is flight booking application developed for Spark school final project.This application contains Firebase as main database for real time booking and interacting with the application.
App was done in team of 3, as final project for Spark Android Certificate.
Technologies

Java

Firebase Database

XML Layouts

Date April, 2017

Key Points

Dual user privileges

Custom layouts
Details
SSL Bypass Instagram
Source code not available.
Custom SSL Pin Bypass for Instagram iOS app using Frida injection.

SSL Bypass for Instagram by patching runtime with custom Frida injection. This bypass provided option to trace Instagram network calls.
Note: Instagram falls under HackerOne safe disclosure
Technologies

Javascript

Frida

Hopper Disassembler

Date April, 2021

Key Points

Bypass SSL protection

Monitor Instagram app network traffic
Details
Twitter Trace
Source code not available.
Dissecting of Twitter iOS app to learn under the hood behavior.

Dissected Twitter iOS app and tracing 80% of app methods, trough use of Frida and Objection. Managed to trace numerous methods, as well as manipulate data sent to server by implementing Frida injections.
Note: Twitter falls under HackerOne safe disclosure
Technologies

Javascript

Frida

Grape

Objection

MITMProxy

Date April, 2021

Key Points

Trace methods in realtime

Monitor Twitter app network traffic

Inject custom method

Map method and UI structures
Details
InstallMe
Code on GitHub [Pending Release]
InstallMe aims to solve pain of writing install.sh script everytime you want to deploy new CLI.

InstallMe is simple but powerful robust binary that solves issue of writing install.sh scripts for your CLI projects. This project is written purely in Go and it has features such as YAML, parsing and advance CLI packed with UI animations.
Technologies

Go

Yaml Parser

Cobra CLI

Date June, 2021

Key Points

Writing Cobra structure CLI

Contacting GitHub and obtaining authorizations

Resolving zipped files to install binaries

Fetching public/private releases

Parsing valid GitHub links

Parsing YAML file as instruction to CLI how to install binary

Documentation
Details
Vmob
Code on GitHub
Vmob is CLI tool that cross compiles V written module for use in iOS/Android architectures through C layer.

Vmob was born from the idea of using an already written V module in the iOS app. Preferably you would write your module/library once and you could utilize its functions on both iOS and Android simultaneously.
Full docs explaining how Vmob works
Technologies

V

Swift

C

Date April, 2021

Key Points

Translation V to C

Making C code compatible with iOS

Injecting headers

Exporting .a library to be linked in Xcode project

Documentation
Details
SMTP inside V
Code on GitHub
SMTP inside V is support for SMTP protocol for new V language

V language lacked vital ability to send e-mails. I've joined V Discord, and started learning language while developing V's official STMP module. Module is pure implementation of RFC2821 where client communicates with e-mail server trough series of commands, to achieve active relationship. Module later added support for sending attachments.
Technologies

V

Socket

Date July, 2020

Key Points

Implementation of RFC 2821

Documentation
Details
Maildroid
Code on GitHub (160+ ⭐️)
Maildroid is a small robust android library for sending emails using SMTP server.

Maildroid was born from the frustration of implementing a good emailing solution I had while developing a few client apps. I had to do many hours of unneeded work to make some emailing functions work using old libraries. Those libraries were limited to one SMTP server and because of that frustration Maildroid was born.
Features

Sending emails using SMTP protocol

Compatible with all SMTP providers

Sending HTML/CSS styled emails

Library is using Java Mail API that is well known as best library for sending emails

Maildroid is my most most active open source project and have had 11 releases in past 3 years. Library accumulated 6 contributors as well as 100s of GitHub stars.
Maildroid has been used over 100k times across all versions. It has monthly usage of 1.2k, which is 1.2k apps actively utilizing Maildroid features.
Technologies

Kotlin

Jakarta Mail

Date August, 2019

Key Points

Supporting multiple SMTP servers

Send attachments

Handle failed sends

Documentation and Maintaining
Details
STN-Node Service
Code on GitHub
Say Their Name Node service that handles URL shortenings and meta data handlings

Say Their Names project aim is to build an open-source platform that raises awareness of the injustice and often forgotten names of racial inequality at the hands of law enforcement. It strives to identify and amplify verified organizations to ensure donations are reaching those who can make the most impact with it.
Features

Serving AASA file for deep linkage

Creates link and sends back to client

Returns original value for exchange for shorten URL
Technologies

Node

Express

CI/CD

Swagger

Date Jun, 2020

Key Points

Support for AASA file serving

Working with team of 100 developers

Exchange values

Documentation
Details
Blazing Report
Private SaaS
Blazing Report is first self-hosted mobile analytics platform with focus on privacy and optional metrics gathering.

Blazing Report is project that is in heavy development stage. Project is structured as Go written array of gRPC microservices to handle various tasks, such as gathering metrics, account management as well as generating reports on usage.
Blazing Report as well contains of Web app, that represents Dashboard to view gathered metrics and setup preferences.
Blazing Report has iOS SDK written to gather all metrics needed by app developer, and connects to superfast gRPC microservices.

Coming soon: Check Blazing Report
Technologies

Go

gRPC Gateway

Protos

MongoDB

Swift

Vue

Kotlin

Javascript

Date Active Development

Key Points

Built Go powered gRPC microservice architecture to gather & store analytical metrics.

Built iOS SDK to communicate with gRPC server and gather mobile metrics

gRPC to REST gateway full on support for Swagger documentation

Built Web App in Vue to manifest customer's dashboard with all gathered metrics

Deployed on VPS under Nginx with capability of HTTP/2 and TLS connections

PayPal Payment System

Schedule Reports Demon

Advance Account Management

Complex Project Wizards

Documentation
Details
Najt
Private SaaS
Najt server was written to handle user actions and to handle websocket connection to platform from KMM apps.

Najt server is capable of handling 1000s of simultaneous connections as websocket server. Server is also capable of receiving files from client and storing to Google Bucket. Najt server is as well responsible for all operations that user does in app, as well as algorithm of creating custom feeds.
Technologies

Go

Gin

MongoDB

Websocket

Date Frozen Development

Key Points

Writing websocket with auth actions

Storing files from apps to Google Bucket

Algorithmic response for feed

CRUD operations for accounts and [redacted]