CHRISTIAN DATARO — SENIOR SOFTWARE ENGINEER

Education: BS in Computer Science, specializing in Software Engineering — FEU Institute of Technology

GlobalNet Solutions Group Inc — Senior Software Engineer (Full-time), Jun 2025 – May 2026

Developed RoundUp, a full-stack digital lottery platform with multi-draw management, instant-win games, mega-jackpot systems, and integrated Stripe payment processing.
Architected and built the NestJS backend with 26+ feature modules, TypeORM/PostgreSQL (27+ entities), and AWS Lambda serverless deployment.
Built 3 React web apps (user-facing, admin dashboard, kiosk operator) with React 19, Vite, Tailwind CSS 4, Zustand, TanStack Query, and Radix UI.
Developed a React Native mobile app for end-user lottery participation.
Implemented AML/KYC compliance workflows, MFA (SMS/Email), user limit management, and secure financial transaction processing.
Designed & deployed AWS infra with Terraform/Terragrunt across multi-region (eu-west-1/2, us-east-1): Aurora RDS, Lambda, S3, CloudFront, Cognito, SQS, API Gateway.
Built a custom cryptographic random-sampling library (Lazy Partial Fisher-Yates) for provably-fair draw selection.
Authored Playwright E2E suites with Mailosaur email-testing integration; converted Swagger docs into functional components; designed UI/UX in Figma.

Technologies: AWS (Lambda, Aurora RDS, S3, CloudFront, Cognito, SQS, KMS, Secrets Manager), Docker, Serverless Framework, TypeORM, Zod, React Hook Form, Recharts, Playwright, Jest, Git, Postman

RoundUp — Digital Lottery & Gaming Platform

Full-stack lottery platform: a monorepo with a NestJS API + processing service, 3 React web apps, a React Native mobile app, and Terraform IaC. Features: multi-draw lotteries, instant-win games, mega-jackpots, Stripe payments, a wallet system, QR-code integration, push notifications (Firebase), and SendGrid emails. Compliance: AML/KYC verification, play/deposit/session limits, and role-based access (superadmin, support, government, partner, kiosk operator, user).

SportsBetting + BackOffice

Built the SportsBetting platform's frontend modules for live betting and microbetting, with API mappings acting as a proxy for the provider's API, and Cypress suites covering edge cases and bonus features. Implemented a NatsIO WebSocket + Zustand data receiver in Next.js. BackOffice: modernized authentication with a custom Better-Auth plugin for license-key validation and aggregated modules for reporting & auditing.

CareerTeam Inc — Senior Software Engineer (Contractual), Jan 2025 – Jul 2025

Resolved Jira tickets and troubleshot Production/UAT issues across front and back end as client support.
Implemented a MongoDB database and API design for the backend using NestJS.
Refactored a legacy codebase into a modernized, configurable one; shipped weekly releases via GitHub Actions.

Technologies: Next.js, TanStack Query, TypeScript, husky, lint-staged, MUI, Jira, Confluence, FormBuilder, Turbo, AWS, Zod, Jenkins, NestJS, CASL, Swagger, Nodemailer, Jest

Veteran Job Application System

Refactored a large-scale job-application system tailored for U.S. veterans, covering opportunities across 15 states. Built a Veterans Assistance System to help veterans transition to new careers after job loss, with role-based permissions for secure management — the refactor sped up the codebase by ~30%.

Cubework Inc. — Mid Frontend Engineer, Aug 2024 – Jan 2025

Designed UI/UX in Figma; troubleshot Production issues across front & back end as support (incl. off-hours on-call).
Coordinated requirements with US Business Analysts, Chinese Managers, and PMs to align scope & timeline.
Implemented a Supabase database, a Pay-and-Bill payment gateway, CRM customer management, and IAM authorization.

Technologies: React, TanStack Router/Query, TypeScript, ShadCN, BitBucket, jwt, ESLint, pnpm, Vite, Vitest, Zod, Jenkins, Supabase

Cubework US — Admin Console

A WYSIWYG content-management system controlling users, super admins, marketing, testers, and customers.

Cubework US — Tenant Portal

A tenant portal to monitor transactions; pay via auto-pay or credit/debit card; and rent warehouses, items, and forklifts.

Uno Dos International Gaming Corp. — Software Engineer, Oct 2023 – Aug 2024

Integrated frontend components with backend APIs; converted web designs into reusable, scalable React components.
Built backend APIs in Django with real-time data (Sockets, MongoDB, performance indexing).
Fixed heavy network-API load; added IP locator, Excel export, multi-player/guarantor banning, and reduced video latency via a third-party API.
Optimized network API calls with caching, refetching, and optimistic UI updates — ~20% improvement for players.

Technologies: Figma, Tailwind, React, TypeScript, Axios, Redux, BrowserStack, Sentry, Next.js, Django, Django Channels, Django Cache

IN BETWEEN — Agent System & Pinoy Card Game

Agent System: monitor your and your agents' activities; transfer/withdraw coins; add/activate/deactivate agents; secure transactions via IAM & Payment APIs. Pinoy Card Game: transfer/withdraw coins, play multiple in-between game modes, and monitor transactions & balance.

UNODOS — World Sabong Cup & API for Korea

World Sabong Cup: a live Sabong game — monitor activities, bet in-game, chat via live-stream, and manage users, players & agents. API for Korea: an integration web app that streams data to the Korean server, with an admin dashboard for game types and management of users, guarantors, agents & players.

UNODOS — Horse Racing Game

A live Horse Racing game — monitor your activities, bet in-game, chat through live-stream, and manage users, players & agents.

Omdena — AI Software Engineer, Feb 2022 – Aug 2023

Collaborated with 60+ members across teams to align functional requirements, scope & timeline.
Deployed AI models and ML services; preprocessed data with Pandas/NumPy to improve time-series forecasting accuracy.
Hypertuned ARIMA models with scikit-learn; built a FastAPI backend to serve AI models & ML services.

Technologies: TensorFlow, PyTorch, scikit-learn, Keras, Pandas, NumPy, Dask, Polars, NLTK, spaCy, Transformers, OpenCV, Matplotlib, Plotly, SciPy, Statsmodels, H2O.ai

Omdena — AI / ML Chapters

Ordering & Inventory (Manila): ARIMA time-series forecasting + a recommender to predict in-demand stock. Course Management (SEAMAN Institute): course-evaluation, examination, and topic-recommendation modules. Student Debt (Egypt): sentiment/financial insight + predictive risk models for policymakers. Career Recommendation (Nigeria): an ML model suggesting careers and improvement areas for students.

Contact — Email: christiantriadataro@gmail.com; GitHub: github.com/christiantriadataro; LinkedIn: linkedin.com/in/christiantriadataro; Website: christiantriadataro.tech; Tondo, Manila.