Rusthie Villegas

Career Summary

Senior Software Engineer with 8+ years of experience in backend development, microservices, cloud applications, and system integration. Skilled in Node.js, MongoDB, AWS, and AI-enabled solutions, with experience leading technical initiatives and delivering scalable software systems.

Clean code and clear communication...

3D clay characters presenting in a formal office setting

Work Experience

Apr 2023 – Present · 3 years 2 months
Sr Software Engineer - NodeJs Engineer
techArabia
Dubai, U.A.E
Technical Skills
- NodeJS
- AWS
- MongoDB
- Microservices
- RESTful API
- System Design
- System Architecture
- Agentic AI
- AI Engineering
- Automation
- Integration
- Git
- Linux
- UI/UX
- Figma
Key Responsibilities
AI & Integration
Autodesk Viewer Integration: Implemented Autodesk Viewer with trial, credit-based, and BYOK (Bring Your Own Key) options for drawing translation and viewing.
AI-driven Take-off Wizard: Developed a multi-stage solution that transforms construction drawings into BOQ packages using AI models from Anthropic, Google, and OpenAI.
AI-driven Document Analyzer: Developed a Node.js REST API in TypeScript integrated with Aurora DB to connect the web application with a Python-based Document AI Engine. Improved processing efficiency by moving from a sequential, server-cached approach to a parallelized, database-cached architecture with dynamic rate limiting, reducing processing time by up to 83%.
AI-powered BOQ Generation: Integrated OpenAI GPT models to assist in generating BOQs, contracts, terms & conditions, and invitation templates, helping reduce manual effort and improve consistency.
AI-powered Chatbot: Developed an AI-based chat support module using OpenAI GPT models and vector search capabilities to provide context-aware responses, enhancing customer support and platform navigation.
Development & Architecture
Assisted in the design, development, and release of the internal admin portal, contributing to both frontend and backend features that improved platform management and operational efficiency.
Led the development and maintenance of 17+ Node.js microservices, ensuring scalability, reliability, and high availability.
Designed and optimized backend APIs and document processing workflows (PDF/Excel) to automate pricing, reporting, and analytics.
Refactored legacy systems and promoted backend development best practices, improving code quality and maintainability.
Designed database schemas and optimized query performance through indexing and tuning.
Integrated third-party services including HubSpot, Stripe, AWS, and AI-powered solutions.
Contributed to the development and release of the internal admin portal across both frontend and backend components.
Operations & Support
Provided frontline support for diagnosing and resolving complex, high-impact client issues.
Planned, coordinated, and documented deployment activities and project deliverables.
Analyzed and estimated requirements for new system enhancements and feature requests.
Conducted client demonstrations and training sessions on platform features and workflows.
Monitored system health and performed cloud infrastructure maintenance and upgrades.
Leadership & Collaboration
Mentored frontend and support engineers, conducted code reviews, and coordinated backend development activities.
Collaborated with product, business, analytics, and design teams to deliver solutions aligned with business objectives.
Represented the company at industry events, including Big 5 Global 2024 and 2025, showcasing platform capabilities to international stakeholders.
Aug 2021 – Mar 2023 · 1 year 7 months
Sr Software Engineer - NodeJs Engineer | WordPress Admin | Company IT
Ureachus
Dubai, U.A.E
Technical Skills
- MongoDB
- NodeJS
- MS Azure
- Docker
- WordPress
- System Integration
- Stripe
- PayPal
- Report Generation
- Git
- Linux
- Figma
- UI/UX
Key Responsibilities
- Designed, developed, and maintained 80% of CRM API modules using Node.js and MongoDB.
- Integrated multiple 3rd-party APIs (e-signature, eLearning, Stripe, mailer) to extend CRM functionality.
- Led and supervised senior developers on coding standards, business analysis, and deployment procedures.
- Optimized database performance through indexing and aggregation; implemented robust authorization flows.
- Automated data fixes in production with custom scripts, ensuring data integrity.
- Collaborated with Angular team for client-side bug fixes and enhancements.
- Managed CRM operations on Azure Cloud and administered OVH domains/WordPress for clients.
- Led code reviews and enforced best practices for high-quality deliverables.
Jun 2019 – Mar 2020 · 9 months
Sr Software Engineer - Oracle PeopleSoft Sr. Engineer
Accenture, Inc.
Taguig, Philippines
Technical Skills
- PeopleCode
- SQR
- COBOL
- Oracle SQL
- ServiceNow
- Application Engine
- HRM & ELM Applications
Key Responsibilities
- Spearheaded deployment of major fluid enhancements in Candidate Gateway (CGW – Job Application Site) across multiple environments.
- Analyzed and retrofitted code for 8,000+ PeopleSoft objects, successfully upgrading and deploying 4,300+ objects.
- Prepared analysis estimates, functional designs, and technical documentation for system enhancements.
- Acted as Subject Matter Expert (SME) for Oracle PeopleSoft HCM modules including Talent Acquisition Management (TAM), Time & Labor (TL), Security, System Configuration, and Enterprise Learning Management (ELM).
- Conducted knowledge transfer and support for ELM module implementation projects.
- Supervised junior resources, guiding task management and effective use of project tools.
- Reviewed code changes and served as lead quality controller for deliverables.
- Supported the payroll team, resolving critical issues during fiscal year cycle processing.
Dec 2017 – May 2019 · 1 year 5 months
Software Engineer - Oracle PeopleSoft Jr. Engineer
Accenture, Inc.
Taguig, Philippines
Technical Skills
- PeopleCode
- SQR
- COBOL
- Oracle SQL
- ServiceNow
- Application Engine
- HRM & ELM Applications
Key Responsibilities
- Led team efforts to resolve high-visibility, critical issues during major system upgrades.
- Provided weekly root cause analysis reports and recommendations to US-based management.
- Deployed numerous break-fixes and system enhancements for client applications under tight deadlines.
- Authored and executed test scripts and procedures for system fixes prior to user-acceptance testing and production deployment.
- Peer-reviewed code changes and performed quality control checks.
- Served as instructor for PeopleSoft bootcamps, training new employees on PeopleCode Programming.
- Received "Accenture Gantimpala Q1 FY19 Winner: AGILA (Execute with Agility)" award.
Awards
- Accenture Gantimpala Q1 FY19 Winner: AGILA (Execute with Agility)
May 2016 – Nov 2017 · 1 year 6 months
Associate Software Engineer - Oracle PeopleSoft Engineer
Accenture, Inc.
Taguig, Philippines
Technical Skills
- PeopleCode
- SQR
- COBOL
- Oracle SQL
- ServiceNow
- Application Engine
- HRM & ELM Applications
Key Responsibilities
- Provided root cause analysis reports to offshore team leads for nightly meetings.
- Built and deployed client-requested system enhancements and resolved complex defects.
- Created and tested test scripts for code changes prior to production deployment.
- Peer-reviewed deliverables to ensure code quality.
- Resolved critical and priority issues efficiently.
- Supported finance team on nightly batch file transfer processes.