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wtfashwin/README.md

Ashwin Upadhyay

Intensity Driven. Data Driven Decisions.

AI Systems Engineer · LLM Applications · Backend Platforms

I build AI applications and the backend systems behind them: retrieval, APIs, data models, authorization, and asynchronous workflows. I work with Python, React/TypeScript, and PostgreSQL, with a focus on testable behavior and recoverable failures.

I’m curious about how systems work, where they break, and what makes them dependable.

Founding AI Engineer at Sylox. I carry work from requirements and system design through implementation, review, testing, and release.

Have a time to go through my portfolio:

Portfolio · LinkedIn · Email

Projects

Project What to explore
Invoice Followup Free browser-based invoice follow-up queue and editable payment reminders, with CSV import/export. No account or automatic sending. Source
CSV Reporting Example Reproducible Python example that checks two fictional CSV inputs and produces a six-metric report with a calculation receipt. Synthetic data; no live integration or customer results. Source
Customer Support System A Next.js application, Hono API, PostgreSQL data layer, and separate FastAPI service for retrieval, streaming chat, and tool workflows. Fresh setup and checks
ContextDock A native macOS developer tool built with Swift, SwiftUI, and AppKit for thought capture, plan selection, CLI-agent launches, local events, and Obsidian notes. Build and tests
Portfolio React and Three.js presentation of public work, with source links, technical writing, and static profile exports.
Fraud Detection FastAPI scoring prototype with Celery explanations, PostgreSQL, Redis, and a browser demo. Hosted tests and container checks. Separate historical benchmarks do not establish the packaged model’s accuracy.

Open-source contributions

My upstream changes focus on correctness, resource use, compatibility, and security.

Project Accepted change
Prefect Allow Azure Blob result storage to overwrite on rewrite.
dlt Read Parquet row groups individually to bound ADBC driver memory use.
VictoriaMetrics Stop PromQL integrate() from extrapolating past the end of a series.
Unsloth Hide non-matching chat threads in search.
Langfuse Python SDK Support wrapt 2.x.
Tracecat Add _source field filtering to Elastic Security detection queries.
lollms-webui Harden path sanitization against traversal and add regression tests.

Open-source record: accepted, open, and closed submissions · Current merged PRs

Tools I work with

  • Backend and data: Python, SQL, FastAPI, SQLAlchemy, PostgreSQL, Alembic, Redis, Celery, Parquet.
  • AI applications: RAG, LangGraph, LangChain, embeddings, reranking, retrieval evaluation.
  • Applications and delivery: React, TypeScript, Docker, GitHub Actions, pytest, OpenTelemetry.

Achievements and credentials

Achievement and credential record · Public profiles and technical writing

I’m interested in AI systems and backend engineering roles where ownership includes design, implementation, and verification.

Pinned Loading

  1. Customer-Support-System Customer-Support-System Public

    Streaming customer support monorepo with Next.js, Hono agents, PostgreSQL, and a FastAPI RAG/tool-use service.

    TypeScript

  2. ContextDock ContextDock Public

    Native macOS app for capturing thoughts, planning with project context, launching CLI agents, and journaling decisions.

    Swift

  3. Portfolio Portfolio Public

    React and Three.js portfolio with source-linked AI/backend projects, public contributions, and static profile exports.

    JavaScript

  4. fraud-detection fraud-detection Public

    Credit-card fraud-classification prototype with XGBoost training, FastAPI, Celery, and deployment configs.

    Python

  5. dlt-hub/dlt dlt-hub/dlt Public

    data load tool (dlt) is an open source Python library that makes data loading easy 🛠️

    Python 6.1k 650

  6. VictoriaMetrics/VictoriaMetrics VictoriaMetrics/VictoriaMetrics Public

    VictoriaMetrics: fast, cost-effective monitoring solution and time series database

    Go 18k 1.8k