Anton L.-Senior Software Engineer
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Experience
Senior Digital Identity Software Engineer/Architect
Anton Lorani Software&AI Engineering
Senior Software Engineer
CHECK24
- Owned the architecture and delivery of ICAO 9303-compliant eMRTD solutions across iOS, Android, and backend systems, enabling secure electronic passport verification.
- Established the technical foundation for real-time cross-platform image processing using C++, WebAssembly, and JNI, increasing engineering productivity by approximately 200%.
- Designed and delivered production-grade native identity verification SDKs for iOS and Android, powering customer-facing identity verification workflows.
- Architected and implemented high-throughput, low-latency document processing infrastructure handling tens of millions of highly sensitive identity documents in regulated fintech environments.
- Automated validation and testing pipelines for mobile SDKs and backend services, significantly improving release reliability, developer confidence, and deployment speed.
- Conducted offensive security research on native mobile platforms, identifying attack vectors and implementing mitigations against runtime manipulation, spoofing, and replay attacks.
- Developed internal AI engineering tooling and autonomous workflows for regulated environments, saving developers hours of manual work each week while accelerating software delivery.
- Mentored engineers across multiple teams and drove adoption of modern architectures, cross-platform technologies, and engineering best practices.
Software Engineer
CHECK24
Played a key role in building the technical foundation of CHECK24's in-house identity verification platform, contributing to double-digit improvements in onboarding conversion rates.
Designed and implemented a complete ICAO 9303 eMRTD solution for iOS and Android from scratch, including zero-trust server-side certificate validation for electronic identity documents.
Architected a future-proof CMake-based build system for a cross-platform C++ image processing engine targeting Android (JNI) and WebAssembly.
Ported and optimized TensorFlow Lite, OpenCV, XNNPACK, and related dependencies for WebAssembly, enabling SIMD acceleration, multithreading, and real-time performance across web platforms.
Continuously improved our build system for reliable and product-manager/qa transparent deployments of our native apps and internal libraries with cirrus tart and docker
Contributed to backend services built with Java and Spring Boot.
Collaborated closely with product owners and business stakeholders on technical strategy, feasibility analysis, and project planning.
Conducted offensive security research against mobile SDKs using Frida, Ghidra, and custom attack tooling to identify runtime vulnerabilities, MitM attacks, and camera spoofing techniques, producing risk assessments and mitigation strategies.
iOS Engineer
CHECK24
- Contributed to transforming the native CHECK24 Insurance app into an award-winning, market-leading iOS experience.
- Designed and introduced a scalable URL-based navigation architecture supporting complex native and web application flows.
- Collaborated with backend teams to design and implement REST APIs.
- Developed internal debugging and runtime inspection tools to improve engineering productivity.
- Increased automated test coverage to approximately 80% through unit, UI, and snapshot testing.
- Maintained and expanded cross-platform end-to-end UI test infrastructure.
- Led large parts of the migration from Storyboards to modern UIKit-based architectures.
- Implemented customer experience improvements across document scanning, animations, and onboarding flows.
- Worked closely with product managers, QA engineers, and management to improve product quality and engineering processes.
- Supported engineering teams across the organization with platform integration and technical guidance.
Industry experience
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Experienced in Information Technology, Insurance, and Banking and Finance.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Information Technology, Product Development, Research and Development, and Quality Assurance.
Summary
The past years I’ve hands-on designed, built and productionized digital identity verification systems from scratch for regulated industries that reaches millions of customers.
My engineering efforts during that time covered:
- Designing/Implementing customer-centric identification experiences
- Technical leadership of business-critical systems across mobile SDKs and server-side.
- Building real-time AI based identity document capture for native iOS/Android and the Web
- Securing those against runtime manipulation and communication channel attacks
- Implementing custom ICAO9303-compliant eMRTD chip reading solutions
- Building server-side verification proof systems around all of the above
- CI/CD automations for multi-tenant distribution, benchmarks and quality testing
- Building isolated runtimes for AI based agents with controlled access to those systems
Languages
Education
Deutsche Telekom AG
Application Development · Computer Science
- Researched, developed, and deployed a Self-Attention Generative Adversarial Network (SAGAN) for automated image colorization.
- Developed an IoT platform for digital beekeeping monitoring using vanilla JavaScript.
- Built a machine learning system for plant growth recognition and prediction integrated with the T-Systems Cloud of Things platform.
- Designed and developed the accompanying iOS application for real-time visualization of IoT sensor data within the T-Systems Innovation Center.
Statistics
Experience
Global experience
Expertise
Profile
Frequently asked questions
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Anton speaks the following languages: German (Native), English (Advanced).
Anton has at least 5 years of experience. During this time, Anton has worked in at least 4 different roles and for 2 different companies. The average length of individual experience is 1 year and 4 months. Note that Anton may not have shared all experience and actually has more experience.
Based on recent experience, Anton would be well-suited for roles such as: Senior Digital Identity Software Engineer/Architect, Senior Software Engineer, Software Engineer.
Anton's most recent position is Senior Digital Identity Software Engineer/Architect at Anton Lorani Software&AI Engineering.
In recent years, Anton has worked for Anton Lorani Software&AI Engineering and CHECK24.
Anton is most experienced in industries like Information Technology, Insurance, and Banking and Finance.
Anton is most experienced in business areas like Information Technology, Product Development, and Research and Development. Anton also has some experience in Quality Assurance.
Anton attended Deutsche Telekom AG for Computer Science.
Anton is immediately available part-time for suitable projects.
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