cb.dev

// about

Connor Barnsley

Hi, I'm Connor.

I'm a Data Science student with a serious interest in the systems side of things — database internals, query optimization, and how you build infrastructure that actually holds up at scale.

Outside of work, I study Mandarin Chinese (aiming for fluency, not just proficiency), and I travel as much as I can. Domestic wise, looking to hit up some national parks and eventually check out Ireland.

I built this site because I wanted one place that holds all of it — the technical work, the language stuff, the travel writing — without pretending they're separate things.

Experience

Data Engineer Intern·US Space Force — Space Launch Delta 45, The Forge

June 2025 – August 2026

Designed a modular ETL pipeline framework consolidating 9+ ingestion scripts into a configurable scheduled system. Implemented Slowly Changing Dimension upserts with content-hash deduplication in PostgreSQL; added logging, centralized configs, Docker, and tests. Integrated Warpcore API ingestion and analyzed existing Envision/Warpcore data flows to support pipeline integration.

Full Stack Engineer Intern·Stealth Startup

June 2024 – May 2025

Built an interactive graph to model dynamic workload requests for EC2 VMs with comparative pricing analysis across cloud providers. Developed a dockerized microservice with secure API routing between dashboard and optimizer components. Refactored genetic algorithm control flow for seamless front-end integration.

Head Teaching Assistant — The Data Mine·Purdue University

August 2023 – Present

Led weekly team meetings and coordinated operations across 7 course sections serving 2,400+ students. Designed curriculum for upper-level ML and introductory data analytics courses; created and taught a data analytics bootcamp for 20+ students. Promoted from Grading TA to Administrative Head TA.

Mandarin Chinese

I've been studying Mandarin for a few years and have competed in language proficiency competitions. My goal is genuine fluency — I want to read literature and survive my girlfriends scoldings, not just order food. Currently targeting HSK 5.

2026-04

Inducted to National Collegiate Chinese Honor Society

CLTA NCCHS - 大学中文荣誉生协会

2026-03

First place in 400 level chinese speaking divison

Purdue Chinese Speech & Performance Contest

2026-03

Was Host for a chinese speaking comp (50+ attendees)

Purdue Chinese Speech & Performance Contest

2025-12

Visited Taiwan again

2025-11

Placement exam: (听力) Intermediate High (阅读) Advanced Low

TOCFL Speedy Screening

2024-05

Taiwan Study Abroad

Purdue Chinese Department

2024-03

Placement exam: (听力) Novice Mid (阅读) Intermediate Low

TOCFL Speedy Screening

2023-08

Started studying!

Education

B.S. Data Science

Minor in Chinese & Computer Science

Purdue University · May 2026

Machine LearningData MiningAlgorithmsDatabase SystemsSoftware Engineering
Active T3 Secret Security Clearance

Now

  • Finishing my Data Science degree
  • Looking for positions in Boston
  • Building this site
  • Studying for HSK 5 (Mandarin proficiency exam)
  • Reading: 《狂人日記》

Get in touch