Sean Arackal

SOFTWARE ENGINEER · WORCESTER, MA

Hi, I’m Sean.

I build software, work with AI, and teach programming. Here’s what I’m working on now, projects I’ve built, and the places I’ve worked.

01 / NOW

Currently working on

  1. Do

    Beeline

    Type or talk to your Mac, and a small bee shows where it acts.

    Mac appIn progress

  2. Watch

    Observatory

    A menu bar app that tracks my AI limits, screen time and cost.

    Menu bar app · Mac and WindowsOpen source

  3. Ask

    Career Bridge

    A survey that asks Massachusetts workers how they use AI at work and asks employers what the job needs.

    Web app · Datathon projectPrototype

  4. Play

    cube·type

    Solve a Rubik’s cube by typing words.

    Browser gameOpen source

  5. Soon

    Something new

    A new app I’m working on in private. More here when it’s ready.

    In privateComing later

See every project page ↗

Open-source contributions

  • tscircuit/image-utils ↗Pull request submitted

    A proposed fix for PNG comparison thresholds, with regression tests and documentation.

  • color-js/color.js ↗Pull request submitted

    A proposed parser fix to reject unexpected punctuation in color functions, with regression tests.

02 / PREVIOUS PROJECTS

Past projects

Oct 2025 - May 2026

Individual academic capstone

ReVIEW

I built tools for reviewing research recordings in a reVISit fork, including video analysis, searchable clips, and timelines.

What I worked on +
  • Implemented multimodal analysis pipelines combining video, audio, OCR, and language-model outputs.
  • Added event timelines, clip tagging, semantic search, and cross-recording summaries.
TypeScriptReactPythonMultimodal AISemantic search

Explore ReVIEW demo (simulated recordings) ↗

Jan 2026 - May 2026

Team deep-learning project

Exercise Form Classification System

I worked with a team on models that identify exercises and assess form from video. My code contributions included pose extraction, training, and model experiments.

What I worked on +
  • Contributed labeling, YOLO pose extraction, training pipelines, and exploratory data analysis.
  • Worked on Skeleton CNN and ST-GCN experiments using the Qualcomm exercise-video dataset.
PythonPyTorchYOLOSkeleton CNNST-GCN

Read research paper on LinkedIn ↗

Mar 2024 - Jun 2024

Back-end developer, course project

Hospital Kiosk

I was a back-end developer on a team building a hospital kiosk for a software engineering course. The app included indoor navigation, service requests, and tools for managing hospital data.

What I worked on +
  • Built back-end features on a Scrum team for an app with indoor navigation, service requests, and map and employee data.
Team developmentBack-end developmentAgile/Scrum

View source code ↗

Oct 2024 - Mar 2025

Student researcher, WPI / Chulalongkorn IQP

Reimagining Digital Education at Sri Sangwan School

I worked with a WPI and Chulalongkorn team to understand how students at Sri Sangwan School use computers for learning. I helped write the research methods and findings, and edited and revised the full report.

What I worked on +
  • Co-wrote the methods for studying students' challenges and wrote the matching findings section.
  • Edited and revised every section of the report, and contributed to inclusive-education research and an analysis of assistive-device costs.
Qualitative researchInclusive educationResearch writing

Read team report ↗

03 / WORK HISTORY

Professional experience

I’ve taught programming online and in person, led summer camp teams, and helped students with computer science courses at WPI.

Worcester Polytechnic InstituteBachelor’s, Computer Science · 2026Full résumé ↗
Aug 2024 - May 2026

Peer Learning Assistant

Worcester Polytechnic Institute · Worcester, MA

I supported students through office hours, lab assistance, and grading feedback in computer science courses.

Jun 2025 - Aug 2025

Lead Instructor

iD Tech Camps · Waltham, MA

I supported instructors, coordinated daily camp operations, and helped deliver programming courses.

Jun 2024 - Aug 2024

Lead Instructor

iD Tech Camps · Amherst, MA

I led instructional staff, taught programming, and helped manage curriculum and daily camp logistics.

Aug 2023 - Dec 2023

Online Instructor

iD Tech Camps · Remote

I taught one-on-one programming lessons adapted to each student's goals.

Jun 2023 - Aug 2023

On-Site Instructor

iD Tech Camps · Amherst, MA

I taught programming courses and supported classroom setup and camp activities.

TOOLS I USE

AI & perception

Multimodal pipelines · Computer vision · Semantic search · PyTorch

Product engineering

TypeScript · React · Next.js · Python · PostgreSQL

Systems & delivery

Native desktop tools · Docker · AWS · Accessible interfaces