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I am Cyrus Rome Dela Cruz, a Senior Full-Stack Engineer specializing in AI-powered SaaS platforms and microservice architectures. With 7+ years delivering production-grade systems from schema design to React frontends and cloud infrastructure, I thrive on turning complex requirements into scalable, reliable software.\n\nI’ve built and led the development of multi-tenant recruitment platforms integrating GPT-4o-mini, LangChain, and RAG pipelines, saving clients tens of thousands annually and shaving manual effort by hours every day. I enjoy architecting distributed systems on AWS and Azure, owning LLM-based feature development, and guiding engineering teams from discovery through production deployment.…I am Cyrus Rome Dela Cruz, a Senior Full-Stack Engineer specializing in AI-powered SaaS platforms and microservice architectures. With 7+ years delivering production-grade systems from schema design to React frontends and cloud infrastructure, I thrive on turning complex requirements into scalable, reliable software.\n\nI’ve built and led the development of multi-tenant recruitment platforms integrating GPT-4o-mini, LangChain, and RAG pipelines, saving clients tens of thousands annually and shaving manual effort by hours every day. I enjoy architecting distributed systems on AWS and Azure, owning LLM-based feature development, and guiding engineering teams from discovery through production deployment.

Cyrus Rome Dela Cruz

Full Stack Developer, Web Developer, Back-End Developer, +4

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I am Cyrus Rome Dela Cruz, a Senior Full-Stack Engineer specializing in AI-powered SaaS platforms and microservice architectures. With 7+ years delivering production-grade systems from schema design to React frontends and cloud infrastructure, I thrive on turning complex requirements into scalable, reliable software.\n\nI’ve built and led the development of multi-tenant recruitment platforms integrating GPT-4o-mini, LangChain, and RAG pipelines, saving clients tens of thousands annually and shaving manual effort by hours every day. I enjoy architecting distributed systems on AWS and Azure, owning LLM-based feature development, and guiding engineering teams from discovery through production deployment.…I am Cyrus Rome Dela Cruz, a Senior Full-Stack Engineer specializing in AI-powered SaaS platforms and microservice architectures. With 7+ years delivering production-grade systems from schema design to React frontends and cloud infrastructure, I thrive on turning complex requirements into scalable, reliable software.\n\nI’ve built and led the development of multi-tenant recruitment platforms integrating GPT-4o-mini, LangChain, and RAG pipelines, saving clients tens of thousands annually and shaving manual effort by hours every day. I enjoy architecting distributed systems on AWS and Azure, owning LLM-based feature development, and guiding engineering teams from discovery through production deployment.

Available to hire

I am Cyrus Rome Dela Cruz, a Senior Full-Stack Engineer specializing in AI-powered SaaS platforms and microservice architectures. With 7+ years delivering production-grade systems from schema design to React frontends and cloud infrastructure, I thrive on turning complex requirements into scalable, reliable software.\n\nI’ve built and led the development of multi-tenant recruitment platforms integrating GPT-4o-mini, LangChain, and RAG pipelines, saving clients tens of thousands annually and shaving manual effort by hours every day. I enjoy architecting distributed systems on AWS and Azure, owning LLM-based feature development, and guiding engineering teams from discovery through production deployment.

Skills

Experience Level

Expert

Expert

Expert

Expert

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Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Senior Full-Stack Engineer at Offshorly

October 1, 2024 - Present

Architected a production-grade, multi-tenant SaaS recruitment platform built on React 18/TypeScript, Node.js/Express, and PostgreSQL; designed interconnected microservices with a shared NPM utility package. Implemented deep Bullhorn ATS and QuickBooks integrations with bidirectional data sync, OAuth2, and real-time pipeline updates; built an AI-powered candidate enrichment pipeline using OpenAI GPT-4o-mini, LangChain/LangGraph, and a RAG-based job description generator; created a LinkedIn profile parsing service with a companion Chrome extension. Engineered a fault-tolerant, event-driven candidate processing pipeline on Azure Service Bus with 20+ topics and durable workflows. Developed a boolean AI tagging engine for natural-language candidate filters, a 90+ table multi-tenant PostgreSQL schema with Prisma read-replicas and Redis caching, and a credit-based Stripe billing system with Firebase auth and JWT-based RBAC. Implemented full observability with OpenTelemetry + Jaeger, Pino, and

Full-Stack Developer at AT Digital Inc.

June 1, 2022 - October 1, 2024

Architected a multi-service SaaS platform (Express.js REST API, React frontend, Next.js 14 auth service) and migrated backend to a Serverless Framework on AWS; deployed via Elastic Beanstalk and CodeBuild CI/CD. Designed and maintained a 130+ table PostgreSQL database (Sequelize ORM) and built a serverless data pipeline (S3 > SQS > Lambda > PostgreSQL) with a Puppeteer-based scraper. Integrated OpenSearch/Elasticsearch with a Logstash sync pipeline for full-text search; built a real-time bid management system with Kanban boards, threaded comments, task assignments, and S3 file attachments. Implemented Firebase authentication, Stripe subscriptions, an in-platform CRM, and multi-environment Docker deployments with Mixpanel analytics and Chart.js dashboards.

Full-Stack Developer at Shifl, Inc.

January 1, 2021 - June 1, 2022

Built responsive frontend features with Vue.js and React; developed scalable Laravel REST APIs with OAuth2 authentication; designed the database schema for purchase orders and inventory management to ensure data integrity at scale.

Full-Stack Developer at Achieve Without Borders Inc.

September 1, 2019 - February 1, 2021

Built and maintained React/Material UI components for a doctor management platform packaged as a cross-platform Electron.js desktop app; designed Node.js/Express APIs with MongoDB for data retrieval and processing.

Full-Stack Developer at DCExcel Business Process Outsourcing Service

October 1, 2018 - October 1, 2019

Developed automation scripts to streamline business operations and reduce manual processing overhead; assisted in document processing pipelines and data extraction to support client reporting and operational data management.