Edmonton, Alberta | September 2026Portfolio / 2026

Software Developer | Python | Java

Ruilin Wang

Reliable software, rigorous testing, and measurable engineering outcomes.

Software developer focused on Python and Java, with project depth in Android, cybersecurity, digital forensics, applied AI, and computer vision.

Completing a Master of Information Technology in Cyber Security at UNSWOpen PGWP valid through Oct 2029

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Core practice

Python
Java
Android
Cybersecurity / DFIR
Applied AI / Computer Vision

13
runtime modules integrated: 33
automated tests: 278
source files validated: 3
focused resume versions

Selected work

Flagship work, presented as case studies

Four projects selected to show software delivery, applied AI, cybersecurity analysis, and Android engineering at a glance.

All Projects

Remote eye-tracking platform workflow covering collection, quality control, target recovery, analysis, and reporting.

01Feb 2026 - Aug 2026

Software DevelopmentResearch Software

OpenET 2 - Remote Eye-Tracking Collection and Benchmarking Platform

Co-developed a modular Python CLI that turned a fragmented eye-tracking prototype into end-to-end collection, standardization, quality-control, analysis, and reporting workflows for GP3 and Tobii-compatible data.

My role: Software Developer and Release Integration Lead on a six-person UNSW COMP9900 client capstone team.

40 sessions / 278 files
85-second batch / zero failures

PythonPandasNumPyOpenCV

View Case Study

Computer vision detection panels with bounding boxes and benchmark metrics.

02Feb 2025 - May 2025

Computer VisionMachine Learning

AgroPest-12 Insect Detection and Classification Benchmark

Benchmarked classical, hybrid, and deep learning pipelines for 12-class agricultural pest detection and classification, measuring both predictive performance and runtime behavior on fixed data splits.

My role: Computer Vision Developer on a group benchmark project.

80.77% mAP@50
97.73% classification accuracy

PythonPyTorchOpenCVUltralytics YOLO

View Case Study

Incident timeline visual showing registry, email, USB, packet capture, and hashing evidence sources.

03Sep 2025 - Dec 2025

CybersecurityDFIR

Digital Forensics Investigation - Caelus Engineering Case

Investigated a simulated insider data-exfiltration case by correlating disk, memory, registry, browser, email, USB, and network artifacts into an evidence-led incident timeline and remediation plan.

My role: Digital Forensic Investigator for a simulated cybersecurity case study.

Cross-source incident timeline
Evidence-led findings

AutopsyVolatility 3WiresharkMiTeC Registry Recovery

View Case Study

Android inventory application visual with item records, photos, tags, and cloud-backed user data.

04Sep 2023 - Dec 2023

AndroidSoftware Development

Javenture - Android Household Inventory Application

Developed Firebase-backed Android inventory workflows for authenticated users, including item persistence, CameraX photo capture, cloud image storage, batch tag assignment, and automated tests.

My role: Android Developer on a team software engineering project.

Per-user cloud inventory
CameraX and Firebase Storage

JavaAndroid StudioFirebase AuthenticationCloud Firestore

View Case Study GitHub

Career focus

One primary direction, two specialist strengths

Software development is the main application track, supported by focused experience in cybersecurity and applied AI or computer vision.

Software Development

Python and Java systems with modular workflows, automated tests, CI, and practical user flows.

PythonJavaDockerGitHub Actions

Cybersecurity / DFIR

Evidence-led investigations, protocol security, and reproducible Python security tooling.

DFIRAutopsyVolatility 3Wireshark

Applied AI / Computer Vision

Model benchmarking and image-analysis pipelines with measured detection, segmentation, and classification results.

PyTorchOpenCVYOLOFaster R-CNN

GitHub

Public code evidence

Repositories demonstrating Python security tooling, protocol simulation, and team-based Android development.

RWuilin/simplefuzzer

Format-Aware Black-Box Fuzzer

Designed and implemented a Dockerized Python fuzzer for stdin-driven binaries, using format-aware mutation and deterministic failure capture to preserve reproducible crash, hang, slow-path, and unusual-output cases.

PythonDockerLinuxBash

Public repository

RWuilin/dimy-contact-tracing-simulator

DIMY Contact Tracing Protocol Simulator

Developed core frontend protocol behavior for a Python privacy-preserving contact-tracing simulator with rotating identifiers, UDP broadcasts, TCP workflows, Bloom-filter encounter storage, and a passive attacker model.

PythonTCPUDPsockets

Public repository

CMPUT301F23T23/Javenture

Javenture - Android Household Inventory Application

Developed Firebase-backed Android inventory workflows for authenticated users, including item persistence, CameraX photo capture, cloud image storage, batch tag assignment, and automated tests.

JavaAndroid StudioFirebase AuthenticationCloud Firestore

Public repository

Technical toolkit

Skills connected to delivered work

Grouped for quick recruiter scanning and backed by implementation or analysis in the project case studies.

Software Development

PythonJavaTypeScriptSQLCBashOOPmodular designCLI developmentautomated testingCI pipelinesGitHub ActionsDockerLinux

Cybersecurity / DFIR

DFIRWindows RegistryAutopsyVolatility 3WiresharkMBOXLNKUSBSTORSetupAPItimeline reconstructionevidence hashingfuzzing

Applied AI / Computer Vision

PandasNumPyMatplotlibOpenCVPyTorchTensorFlowscikit-learnYOLOFaster R-CNNU-Net++DeepLabV3+model benchmarking

Android

JavaAndroid StudioFirebase AuthenticationCloud FirestoreFirebase StorageCameraXViewModelrepository pattern

QA / Testing

pytestGitHub Actionsunit testinginstrumentation testingmutation testingdata validationcrash detectionhang detectionreproducible test cases

Application materials

Start with the Software Developer resume

Download the primary version or compare all three role-focused PDFs.

Download Resume All Resumes

Contact

Open to opportunities across Canada

Relocating to Edmonton, Alberta in September 2026. Software development is my primary focus, with specialist cybersecurity and applied AI roles also welcome.

Contact Me

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