# Aayush Bajaj's CV

- Phone: +61 481 910 408
- Email: [j@abaj.ai](mailto:j@abaj.ai)
- Location: Sydney
- Website: [abaj.ai](https://abaj.ai/)
- GitHub: [abaj8494](https://github.com/abaj8494)
- LinkedIn: [abaj](https://linkedin.com/in/abaj)
- Leetcode: [abaj8494](https://leetcode.com/u/abaj8494)


# Summary

- Early-career AI/ML engineer (M. Stat) with strong interests in the Mathematics of Statistical learning. Equipped with the abstraction skills of a Computer Scientist (B. CompSci) and the practical architecting skills of a Software Engineer --- I enjoy making end-to-end pipelines to deliver real products for real use-cases.
# Education

## University of New South Wales, Bachelor in Computer Science (AI), Minor Mathematics

- Feb 2021 – Sept 2025
- Sydney, Australia

## University of New South Wales, Master in Statistics

- Feb 2026 – Dec 2028
- Sydney, Australia

# Skills

- Productionising: Nginx, Docker, AWS, GCP, Azure, Vultr
- Software Development: Java, JUnit, Go, Typescript, Javascript, Python, C, SQL, noSQL, LaTeX
- Libraries & Frameworks: NumPy, PyTorch, Matplotlib, Pandas, React, Svelte, Node
- [Deep Learning](https://github.com/abaj8494/10khrs-ai-ml-dl): Python, HPC, Pre-processing, Inference, Tuning, Jupyter, Conda
- Linux: Shell, Git, Emacs, N/Vim, Tmux, Arch, Ubuntu, Debian
- Languages: English (Fluent), Hindi (Proficient), Japanese (Beginner)
# Projects

## [**A**ayush **Baj**aj's **A**ugmenting **I**nfrastructure](https://abaj.ai)

- May 2023 – present
- A mature pipeline built with Hugo and Emacs' org-mode. 1,073 exposed URLs.
- Influenced by Roam Research, Tiago Forte and Niklas Luhmann; Gruvbox themed.

## [Biomedical Semantic Segmentation](https://abaj.ai/projects/dl/kits19)

- Oct 2024 – June 2025
- Implemented 2D and 3D state-of-the-art semantic segmentation architectures on the KiTS19 dataset; achieved full marks with a class-leading Mean Sørensen–Dice score of 78.
- Reproduced nnU-Net pipeline end-to-end on Nvidia H200, A200 chips and published a concise report.
- Continued tuning to achieve official KiTS19 leaderboard ranking of #57 with improved Dice score of 0.9129

## Medical Software WebApp

- Alpha-Cure Medical Centre
- Scored a High-Distinction in this term-long project.
- Backend built in Python with Flask. Database in Azure SQL. Frontend built with React. Testing and coverage with Pytest and Cypress. Delivered in Docker.

## [Dead Tree Segmentation](https://abaj.ai/doc/pubs/dead-tree-seg.pdf)

- Kaggle
- Read and implemented the UNet paper / architecture from scratch.
- Combined Dice and Focal loss to address 97% class imbalance. Raw IoU 0.66.
- 31,034,690 parameter count across encoder-decoder hierarchy. 0.71 IoU validation after morphological post-processing.
- Parallelised on High-Powered Compute with CUDA.

## [Math Map](https://abaj8494.github.io/math-map/)

- Oct 2025 – present
- Built in Svelte, using an existing colour scheme and codebase from Shrine.
- JSON data backend with prerequisites visualised as floating arrows.
- Clickable cards with contributor and topic search functionality.

## [Bytelocker](https://github.com/abaj8494/bytelocker)

- June 2025 – present
- Excellent region-level and full-file encryption bound to a small set of key mappings.
- Integrates smoothly into an existing Neovim workflow.

## [Timeline](https://abaj8494.github.io/timeline/list)

- May 2022 – present
- Built in Svelte to learn the framework.
- Images and historical facts included.

## [Game of Life](https://abaj8494.github.io/gol/)

- May 2025 – July 2025
- Heatmap variant included.

## [Mathematical Tools](https://tools.abaj.ai)

- Mar 2025 – present
- Common number theory, stats, algebra, linear algebra, and unit/base converters served over a RESTful Go API.
- Static frontend deployed behind Nginx with a systemd service and HTTPS.

## [BookBot](https://bots.abaj.ai)

- Feb 2025 – present
- OAuth2/JWT auth; vector search using embeddings in pgvector.
- Persistent block storage with caching and live processing status.
- Bun, Typescript, PostGreSQL, OpenAI

## [10,000 Hours of ML](https://github.com/abaj8494/10khrs-ai-ml-dl)

- Aug 2024 – present
- Version-controlled experiments and interview problems.
- Implementations for a wide variety of architectures and algorithms; supervised and unsupervised.

# Experience

## Technical Consultant, Software Engineer, Architect

- 2024 – present
- Sydney, NSW
- Deployed, configured and version-controlled [Frizz Ande's site](https://frizzande.io) and corresponding mail-server.

## Open Source, Contributor

- 2021 – present
- Remote
- Opened first **issue** on a Roam Research theme, and my first  **pull request** on a plugin.
- Patched Mopidy source code; continued **bug reporting** in various repositories
- **Version controlled** answers to textbook exercises and **built my own original** apps and plugins.

## Self-employed, Private Tutor

- 2019 – 2023
- Eastwood, Sydney
- Coached high-school students in Mathematics and English; structured weekly drills and feedback to move grades from C/D ranges toward A/B.

## Connect Education, Presenter

- 2022
- NSW
- Built and delivered intensive “crash-course” seminars in Mathematics and English to HSC cohorts.
- Produced all slides and handouts in LaTeX.

## XCD Education, Classroom Tutor

- 2020 – 2021
- Eastwood, Sydney
- Produced and marked HSC English materials at scale; collaborated with staff on delivery timelines.
- Scaled a Notion workspace with deployable booklets tethered to proprietary databases.

# Extra-curricular

## St. Vincent de Paul, Volunteer

- Nov 2021 – Dec 2022
- West Ryde, Sydney
- Carried heavy objects around
- Shelved and unshelved books

## Parkrun, Volunteer

- 2024 – present
- Rhodes; Paramatta
- Sorting tokens (in quadratic time)
- Marshalling
- Barcode Scanning

## Ultimate Frisbee, Player, Captain, Coach

- 2022 – present
- Sydney
- Local league player: NSU, Hills, Manly; coached (Hammertime) in Division 4
- University athlete representative: Silver Medal, 2023 University Nationals; Club Executive, 2024
- State Representative Athlete; MVP Medal Recipient
- National Club Open's and Mixed Player: Bench, Ironbark, Hills, NSU, Horizon, Manly

# Certificates

## Australian Training Institute, [First Aid HLTAID011/010/009](https://abaj.ai/doc/certs/first-aid.pdf)

- Sept 2024 – Dec 2026

## TCP Training, [F2F Barista Skills Training](https://abaj.ai/doc/certs/tcp.pdf)

- Oct 2025 – present

# References

- Available upon request