Niels Andriesse
Verified Expert in Engineering
Software Developer
London, United Kingdom
Toptal member since April 5, 2016
Niels has a strong focus on entrepreneurial ventures and a natural aptitude for software engineering. He taught himself programming during his aerospace engineering studies, where he used his skills to develop powerful structural analysis and orbit design tools. Niels has since been a major part of multiple world-class startups, building and shipping high-end consumer-facing iOS and Android applications using languages such as Swift, Kotlin, JavaScript, Rust, and Python.
Portfolio
Experience
Availability
Preferred Environment
MacOS, Python, Android, iOS, Git, PyCharm, Android Studio, Xcode, Visual Studio Code (VS Code)
The most amazing...
...project I've worked on is an orbit design tool capable of finding the optimal trajectory between two arbitrary celestial bodies.
Work Experience
Lead iOS Engineer | Lead Android Engineer | Project Lead
Oxen
- Developed a fully decentralized, onion-routed, and end-to-end encrypted private messenger for iOS and Android, contributing heavily to both platforms.
- Scaled the application from zero to over 150,000 active users, achieving outstanding user reviews on both iOS and Android in the process.
- Ensured the security and privacy of the application, as later verified by an independent audit performed by QuarksLab.
- Led a team of engineers to ensure the rapid and efficient development of a high-quality product.
- Built part of the application's back end using Rust.
- Set development priorities, ensured a consistent product vision across platforms, and recruited new developers.
Lead Android Engineer | Senior iOS Engineer
Tellus
- Built large parts of both the iOS and the Android applications from the ground up, including frameworks for database management, client-server communication, and the UI infrastructure.
- Ensured a consistent and high-quality product experience across platforms and managed development priorities.
- Led and collaborated with an international team of engineers to rapidly develop and deploy a complex fintech application.
Senior iOS Engineer
DynamiCare Health
- Used sophisticated geofencing methods to ensure appointment attendance.
- Ensured HIPAA-compliant handling of sensitive patient data throughout the application.
- Created frameworks for the integration of third-party Bluetooth devices.
- Rapidly developed a high-quality iOS front end following design guidelines.
Senior Full-stack Engineer
FIVE
- Rapidly developed a high-quality iOS front end featuring many custom UI elements.
- Built a scalable, secure back end that conformed to RESTful design practices.
- Ensured secure handling of user data throughout the entire stack.
- Managed the deployment of the application to AWS servers.
Senior Full-stack Engineer
Huddle
- Built a scalable, performant, and secure back end capable of handling large amounts of video.
- Ensured conformance of the API to RESTful design practices.
- Designed and developed an iOS front end featuring highly custom UI, efficient video handling, location tracking, and secure transmission of user data.
- Managed an AWS server for the processing of large amounts of data.
Co-founder
Archimedes
- Designed and developed Archimedes, a graphing calculator for iOS and Android.
- Developed a custom mathematics engine with fully automatic unit handling and support for symbolic mathematics.
- Implemented an advanced formula library featuring large amounts of data, with the ability to search formulas by name, mathematical symbols, topics, and more.
- Scaled the application from zero to 250,000+ active users.
Senior Android Engineer
Digidentity
- Built online identity assurance software for the GOV.UK Verify program.
- Ensured the secure transmission of highly sensitive personal data.
- Transformed a large, poorly structured, partially insecure codebase into a structured, secure one.
Experience
Archimedes
http://archimedescalculator.com/GOV.UK Verify
Structural Analysis Tool
Orbit Design Tool
Neuron
https://github.com/nielsandriesse/neuronSession Core
https://github.com/nielsandriesse/session-core-swiftFunction
https://github.com/nielsandriesse/functionSpeaker at Coder Factory Career Day
Education
Erasmus Minor in Entrepreneurship
KTH Royal Institute of Technology - Stockholm, Sweden
Bachelor's Degree in Aerospace Engineering
Delft University of Technology - Delft, The Netherlands
Skills
Libraries/APIs
Protobuf, Socket.IO, GridFS, Retrofit 2, CocoaPods, GNU Multiple Precision (GMP), Node.js
Tools
Photoshop, Adobe Illustrator, MATLAB, LaTeX, Mongoose, Git, PyCharm, Atom, Android, Xcode
Languages
SQL, C++, Objective-C, JavaScript, Python, Java, Swift, Rust, Kotlin
Frameworks
Express.js, Cocoa, Cocoa Touch
Paradigms
Scrum Master Consulting, Mobile App Design
Platforms
iOS, MacOS, Android, AWS, Amazon EC2, Azure, Visual Studio Development
Storage
Realm, MongoDB, ObjectBox DB
Other
Crytographer, Decentralization, Software Development, Machine Learning, Crypto
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