Hamster | Yinchen Ni

Hi, I'mHamster.

A

Self-driven, quick starter, passionate researcher with a curious mind who enjoys solving complex and challenging real-world problems.

About

I am a Electronic and Computer Engineering Undergraduacte Student at University of Michigan - Shanghai Jiao Tong University Joint Institute. I enjoy problem-solving and coding. Always strive to bring 100% to the work I do. I have worked on technologies like C/C++, Python, Shell, Cuda, MatLab, MySQL, Java during research and course projects. I have 6 months of professional work experience which helped me strengthen my experience in Python and Shell. I am passionate about developing complex applications that solve real-world problems impacting millions of users.

Research Interests:

Real-Time System Scheduling

Time Critical Computing

Skills Summary:

Languages: C/C++, Python, Shell, MatLab, Java

Libraries: NumPy, Pandas, OpenCV, Scikit-learn

Frameworks: CUDA, Apache Hadoop, Spark, K8s, PyTorch

Tools & Technologies: Git, Docker, Origin, MySQL

Looking for an opportunity to work in a challenging position combining my skills in Software Engineering, which provides professional development, interesting experiences and personal growth.

Experience

UM-SJTU JI

Teaching Assistant

Please refer to my teaching page

VE203 (MATH2030J): Discrete Mathematics
VE280 (ECE2800J): Programming and Elementary Data Structures
VG101 (ENGR1010J): Introduction to Computer and Programming
VV186 (MATH1860J): Honors Mathematics

Sept 2021 - Summer 2023 | Shanghai, China

BigDL

AI Platform Intern

Orca

Refactored github repo CI/CD workflow, eliminated unncessary dependencies, added daily/nightly testing
Validated Yarn,K8S cluster setting, updated corresponding tutorials and documents;
Created dockerfile for orca under different python environments

Fresian

Developed Big Data recommendation example codes, created corresponding documents
Released the corresponding tookit with docker-compose, k8s, helmchart

Tools: Python, Spark, Ray, K8s, Tensorflow, PyTorch

Dec 2022 - May 2023 | Shanghai, China

Center of Teaching & Learning

TA mentor

Plan/ attend/ facilitate/ lead TA orientation, training workshops, seminars
Work on the improvement of JI TA training programs, TA management, and other TA related issues
Conduct spot check of TAs' recitation class, labs & office hours, provide constructive suggestions for their improvement, and file reports monthly for backup

Mar 2022 - Present | Shanghai, China

Projects

                
(New!) "SAVE" (Capstone Proj)
                  SAVE: A Vision-Based Bicycle Safety System for Alerting Collision with Vehicles.
                
DetailsDetailsKey Insights:🚴Designed a cyclist equipment with safety embedded system.
🖥️Built a web server to allow real-time monitoring on both computers and mobiles.
⚡Improved program execution speed while extending battery life by scheduling.
Dependencies:Raspberry Pi 4B, Intel NCS2, 2x 100 Binocular Camera, MPU6050
C++ 17 on Linux, OpenVINO, OpenCV, Caddy Server 2
Awards:🏆Silver Award of Undergraduate Thesis in JI 2023 Winter Expo

Big-Data Recommendation
                  A recommendation system on Million Song Dataset
                
AccomplishmentsAccomplishmentsTools: Hadoop, Spark, Avro, Drill, Scikit-learn, LaTeX
Retrieve the dataset, interprete on the data structure and turn into avro file in parall.
Use drill (sqlite) to perform basic queries on dataset.
Use both Spark and Mapreduce to recommend the most similar song with diverse customization.
Reduce data dimension by PCA and effectively predict the year of the songs.
Demostrate our idea by well typed beamer slides and an A1 poster.

Multithreaded DB
                  Multi-threading optimization for simple database queries.
                
DetailsDetailsRequire: C++17, Clang >= 6.0, CMake >= 2.7 
Implement multi-thread in each single query to be 40% faster.
Auto detect the optimized thread num based on table size
Use priority queue with mutex to guarantee efficiency and sorting records

Shell based on C
                  A simple shell (mumsh) implemented by system-level C.
                
DetailsDetailsKey Points: system call, signal catching, pipe, built-in command.
Support basic Unix commands w/o arguments, e.g. ls -la.
Bash style file I/O redirection, e.g. cat <1.txt > 2.txt.
Basic pipe, e.g.  echo 123 | grep 1 .
Catch interrupt signal including CTRL-D and CTRL-C.
Implement shell built-in command pwd and cd.

Music Game on PIC32
                  A simple music game developed on PIC32MX795F512L.
                
DetailsDetails
                  Peripherals: JR12684-3A, piezoresistor, buzzer
                  
                    Use UART to interact and display on the screen, get pressures (as hits) from the piezoresistor by 
                    ADC module, control the looped music using Timer and PWM.