Liviu-Paul is available for hire

Liviu-Paul Bosbiciu

Verified Expert in Engineering

Software Developer

Cluj-Napoca, Cluj County, Romania

Toptal member since March 16, 2022

Expertise

Visual Studio Development Git Agile Development Xcode SQL C C++Qt Development Windows Development Swift REST API MySQL Node.js Express.js

Bio

Liviu is a senior software engineer with over five years of experience in the field. He has worked for fast-growing startups and leading Fortune 500 companies in teams of all sizes. He is passionate about staying up-to-date with the latest developments and regularly attends industry conferences. In addition to his technical expertise, Liviu is also a skilled communicator and has a proven track record of working effectively with stakeholders across all levels of an organization.

Portfolio

Novartis

Swift, Swift 5, SwiftUI, Alamofire, APIs

Freelance

C++, Qt, Qt 5, Objective-C, C#, Unity

Freelance

Swift, SwiftUI, UIKit, iOS, Alamofire, Firebase, REST, REST APIs

Experience

Agile Software Development - 5 years
SwiftUI - 4 years
Firebase - 4 years
Xcode - 4 years
REST APIs - 4 years
Amazon Web Services (AWS) - 4 years
Swift - 4 years
Objective-C - 2 years

Availability

Part-time

Preferred Environment

Xcode, Git, Swift, Objective-C, Agile Software Development, Core Data

The most amazing...

...project I've developed is a mobile application that aims to connect people based on their interests.

Work Experience

Senior iOS Developer

2022 - 2022

Novartis

Used layered architecture to implement the client-server communication and composable architecture to handle the state and dependency management.
Increased the client-server communication speed by 300% by designing a new communication contract.
Architected and implemented a solid automated testing infrastructure for every app layer.

Technologies: Swift, Swift 5, SwiftUI, Alamofire, APIs

Senior Software Engineer

2022 - 2022

Freelance

Conducted research on various POCs and architected native Windows and macOS packages meant to be used in Unity projects.
Reduced the package size by 97.5% by removing third-party dependencies and implementing native solutions on Windows and macOS.
Implemented native and cross-platform clipboard management solutions.

Technologies: C++, Qt, Qt 5, Objective-C, C#, Unity

Senior iOS Developer

2022 - 2022

Freelance

Developed features and fixed bugs for the iOS SDK used by global companies.
Implemented a configurable app update solution that allowed us to push critical updates without republishing the app.
Integrated third-party components into the existing solutions to provide better APIs for the codebase.

Technologies: Swift, SwiftUI, UIKit, iOS, Alamofire, Firebase, REST, REST APIs

Senior iOS Developer

2022 - 2022

Freelance

Developed an iOS SDK that helped the client's customers integrate the core artificial intelligence solutions into their own apps.
Assured a 100% successful SDK release by researching client requirements in-depth and keeping a close relationship with the development and QA teams.
Designed a highly-customizable framework that provided clients a smooth integration with their existing solutions.

Technologies: Swift, SwiftUI, UIKit, Git, Alamofire, REST APIs, iOS

Founder and Full-stack iOS Developer

2020 - 2022

Rivals

Founded a startup that aims to connect users based on their interests and help them keep their commitments by creating a social effect.
Connected with freelancers specializing in various fields, such as marketing, videography, and software development, to create a full-fledged product.
Managed the entire application development lifecycle, from gathering requirements and designing an MVP to continuously developing and deploying new features.
Implemented features such as third-party authentication, private and group chats, push notifications, and camera manipulation.
Architected and implemented a robust back-end solution using Node.js, PostgreSQL, Sequelize, AWS, and Firebase, handling authentication, secure uploads, invite links, job schedulers, and a REST API for the iOS application.
Designed a responsive website using Next.js that showcased the app's main features, including custom interactive 3D models.

Technologies: Swift, SwiftUI, Amazon S3 (AWS S3), Amazon Web Services (AWS), Firebase, PostgreSQL, Node.js, Google Cloud, Express.js, JavaScript, REST APIs, APIs, iOS, SQL, Cloud Firestore, User Interface (UI), User Experience (UX), MVP Design, Back-end, Sequelize

Senior C++ and Qt Developer

2018 - 2022

CoSoSys

Redesigned the entire Windows, Linux, and macOS desktop user interfaces used on 1+ million devices, taking into account design principles, OS-specific components, and internationalization.
Implemented highly-requested product features explicitly designed for Fortune 500 clients, allowing users to perform restricted operations or gain temporary access to their locked devices by authenticating them over LDAP and Active Directory.
Reduced the server load drastically by designing a solution that allowed clients to manage their cloud-based databases locally, providing them with features such as secure authentication, data export overviews, custom statistics, and query building.
Achieved a 90% reduction in debugging time by designing and implementing a tool that quickly identifies common issues in our systems, used daily by the support and QA teams.
Implemented features for content-aware protection, a module used for scanning sensitive data on the fly through various endpoints such as web browsers, email agents, file-sharing services, or messaging applications.
Extended the device control module functionalities by supporting new device types controlled through granular policies.

Technologies: C++, Qt, QML, MacOS, Windows, Linux, User Interface (UI), User Experience (UX), SQL, NoSQL, MongoDB, REST APIs, APIs, MySQL, SQLite, Amazon Web Services (AWS), Amazon S3 (AWS S3), Visual Studio

Experience

Udemy Instructor

I created two Udemy courses, both presented in a learn-by-doing approach, attracting over 1,200 students. The latest course focuses on building an employee management desktop application using Python, PyQt, and SQLite. This course was considered a best-seller and highest-rated PyQt course for over six months.

Brick Breaker: Falling Stars

I released an Android game available on Google Play. It was developed using libGDX, making use of low-level gaming techniques. I also worked on other Android apps using technologies like Java, Kotlin, Android Jetpack, Retrofit, and SQL.

Users Monitoring System

I designed a user monitoring solution for Windows and Android systems based on network traffic and keystrokes interception for my license thesis. The solution also provided a complete web interface designed for sysadmins.

Education

2017 - 2021

Bachelor's Degree in Computer Science

Technical University of Cluj-Napoca - Cluj-Napoca, Romania

Skills

Libraries/APIs

Node.js, REST APIs, PyQt, PyQt 5, Alamofire, React, Retrofit

Tools

Visual Studio, Xcode, Git, JetBrains, Android Jetpack, Sequelize

Languages

SQL, C, C++, Swift, JavaScript, Swift 5, Kotlin, Python, Python 3, Objective-C, Java, QML, C#

Frameworks

Qt, SwiftUI, Qt 5, Express.js, UIKit, Core Data, Next.js, Unity

Paradigms

REST, Agile Software Development

Platforms

Windows, MacOS, Linux, Firebase, Android, iOS, Amazon Web Services (AWS)

Storage

SQLite, MySQL, NoSQL, MongoDB, PostgreSQL, Cloud Firestore, Google Cloud, Amazon S3 (AWS S3)

Other

APIs, User Interface (UI), User Experience (UX), MVP Design, Back-end

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