Engineer + researcher

onlinePS / 2026

profile / current

Production software, concurrent systems, and applied machine learning—built with evidence.

United States · available for remote work

portfolio/src/profile.ts
main · clean
export const parsa = {
role: ["software engineer", "ML researcher"],
runtime: ["Python", "TypeScript", "Rust"],
systems: ["APIs", "pipelines", "automation"],
research: ["QoE", "RAG", "anomaly detection"],
deploy: ["Docker", "cloud"],
publications: 7,
location: "United States",
remote: true,
available: true,
} as const;
 
// contracts first, evidence last
export type Parsa = typeof parsa;
main*TypeScriptUTF-8Ln 14, Col 30
experience7+ yearsShipping production software
research7 worksPeer-reviewed + preprints
citations41Google Scholar citations
indexh-index 3i10-index 3

Operating range

runtime.graph
fn runtime()

Production systems

APIs, data models, concurrency, scraping pipelines, and repeatable containerized delivery.

returns Rust · Python · Node
fn research()

Applied ML research

QoE prediction, deterministic LLM scoring, anomaly detection, and efficient computer vision.

returns 7 works · 41 citations
fn practice()

Engineering practice

Code review, architecture, observability, technical writing, and mentoring across unfamiliar codebases.

returns Build · trace · improve

Experience log

git log --since 2019
commit vitalize-llc

Senior Full-Stack Developer

Vitalize LLC

End-to-end delivery across web, mobile, automation, backend architecture, and cloud operations.

  • Architect backend services and MongoDB / PostgreSQL data models for high-volume workloads.
  • Build Docker Compose deployments and CI/CD pipelines for repeatable releases.
  • Review code and mentor developers and designers around consistent architecture.
commit quintle

Senior Full-Stack Developer

Quintle

Restaurant growth platform spanning ordering, menus, inventory, workflow, analytics, and delivery.

  • Built real-time order management across tablet and web clients.
  • Implemented dynamic menu management and upsell logic.
  • Developed kitchen workflows and analytics for ordering patterns and funnel performance.
commit collegemate-llc

Senior Full-Stack Developer

Collegemate LLC

Mentor platform built with Vue.js, Node.js, and MongoDB.

  • Built scheduling calendars, purchasing flows, and real-time cost updates.
  • Implemented in-app video conferencing with live participant reactions.
  • Developed the admin system for configuration, user management, and analytics.

Stack manifest

dependencies --production

languages

Python, JavaScript, TypeScript, Rust, SQL, Bash / Shell

backend + APIs

Node.js, Express.js, FastAPI, Flask, Rocket, REST, GraphQL, Async programming

data

MongoDB, PostgreSQL, SQLite, Schema design, Query optimization

frontend + mobile

React, Next.js, React Native, Vue.js, Nuxt.js, Responsive UI, Data visualization

cloud + operations

Docker, Docker Compose, CI/CD, AWS Lambda, Linux, Jaeger tracing

machine learning

scikit-learn, NumPy, Pandas, Random Forest, XGBoost, Deep neural networks, Anomaly detection

LLM + automation

RAG, Semantic analysis, Deterministic scoring, Puppeteer, Selenium, Playwright, ETL pipelines

research + practice

Experimental design, Model benchmarking, Peer-reviewed writing, Code review, Technical documentation