Cesar A. Castillo

Data / ML Engineer

// dominican republic, do · UTC-4

Senior Software Engineer & Quant | Founder at Castle Trade LLC | Building high-performance HFT…

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profile sourced from GitHub

Scouting report

Dominican quant building original Python/Java HFT and fintech backend cores

assessed from open-source footprint

Mid

55signal

Founder-style backend and quant engineer with a fully original, fork-free repo set and steady output (52 commits last year, zero abandoned repos). Authored work is genuinely on-theme: Alkimia Backend Core (Python fintech/booking flows) and a Java 21 institutional Trade OMS core, backed by skills in algorithmic trading, low latency and MQL4. Star counts are near zero and nothing is deployed, so reach is unproven, but the originality and consistency signal is real.

Authorship & open source

Solo authorwrote 100% of commits on trade-oms-java-core

0 merged PRs52 commits / yr21 private contributions / yr

What they build

Backend54%

Data / ML40%

Mobile6%

Industry experience

Fintech & Payments
Data, ML & AI
Travel, Food & Hospitality

Signal breakdown

Originality81

Impact20

Consistency95

Polish40

Stars

top repo 1

Original repos

0% forks

Followers

On GitHub

1.4 yr

Live demos

Activity

Active

0% stale

Strengths

Verified author — wrote 100% of commits on trade-oms-java-core
Original builder — 7 of their own repositories
Consistently active, low abandonment
Backend focus with Data / ML
Domain experience in Fintech & Payments & Data, ML & AI
Core stack: Python, MQL4, Java

About

Senior Software Engineer & Quant | Founder at Castle Trade LLC | Building high-performance HFT systems & AI-driven infrastructures. — 7 public repositories and 1 followers on GitHub.

Skills

Python
Algorithmic Trading
Java
Backend Development
Fintech
Low Latency
Smart Money Concepts
MQL4

Featured work

Alkimia Backend Core

Modular backend architecture for artist management and automated booking systems with integrated fintech payment flows.

Python
Api Design
Backend Development
Fintech
JavaScript

by Cesar A. Castillo

Trade Oms Java Core

Institutional Grade Trade Order Management System (OMS) Core - Java 21+ Microservices Infrastructure.

Java
Backend Development
Fintech
Low Latency
Microservices

by Cesar A. Castillo

Pine Script Smc Indicators

Professional-grade Smart Money Concepts (SMC) infrastructure for TradingView using Pine Script v5 matrix operations and advanced market structure log…

Algorithmic Trading
Fair Value Gap
Market Structure
Matrix Operations
Order Blocks

by Cesar A. Castillo

Mql5 Execution Components

Institutional-grade MQL5 execution framework featuring asynchronous order routing, OOP architecture, and latency-optimized trade management.

MQL4
Algorithmic Trading
Asynchronous Order Routing
Automated Trading
C++

by Cesar A. Castillo

Quant Strategy Suite

Advanced quantitative research and strategy development suite for identifying and exploiting market inefficiencies.

Python
Algorithmic Trading
Backtesting
Data Science
Pandas

by Cesar A. Castillo

Whale Rider V4 Core

High-frequency trading engine skeleton optimized for liquidity desynchronization and order flow analysis.

Python
Algorithmic Trading
Hft
High Frequency Trading
Institutional Trading

by Cesar A. Castillo