Available for Full-time & Remote Roles

Ralph Lozada

Software Engineer

Performance-focused Software Engineer with over 7 years of professional experience, including a 4-year foundation in building and maintaining backend systems with Go (Golang). Highly proficient in Node.js (Fastify), TypeScript, and RESTful API development with an emphasis on code efficiency, system reliability, AWS infrastructure management, and relational database optimization with PostgreSQL.

Bacolod City, Philippines Open to Relocation & Visa 7+ Years Exp

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Primary Tech Stack

Go (Golang) Core Expertise

Node.js / Fastify / TypeScript High Performance

AWS (EC2, S3, RDS, IAM) Cloud Infra

PostgreSQL / Redis / MySQL Database Optimization

Docker & Linux Admin DevOps & Deploy

Education: BS Information Technology

University: Univ. of St. La Salle - Bacolod

Languages: English (Fluent)

Technical Expertise

Categorized skills and core technologies based on official resume details

Languages

Go (Golang) JavaScript (ES6+) TypeScript HTML5 CSS3

Backend & APIs

Node.js Fastify RESTful API Design OpenAPI (Swagger) Bun ORM

Frontend Frameworks

Vue.js React.js Angular Ionic Alpine.js TailwindCSS

Infrastructure & Cloud

AWS (EC2, S3, RDS, IAM) Docker Linux (Ubuntu/Debian)

Tools & Deployment

DBeaver Git PuTTY / SSH FileZilla (FTP/SFTP) Postman

Databases

PostgreSQL MySQL Redis

Professional Experience

Featured card layout detailing 7+ years of engineering roles

Current Role

Senior Backend Developer @ Zip

August 2026 - Present

Makati City, Philippines (Remote)

Backend Architecture & APIs: Design, develop, and maintain high-performance server-side logic, RESTful APIs, and scalable data storage solutions.

Code Standards & Best Practices: Write clean, maintainable, and efficient code adhering to software engineering best practices to ensure long-term system reliability.

Cross-Functional Collaboration: Partner closely with frontend engineers, product managers, and UI/UX designers to define, refine, and deliver feature-rich applications.

Database & Caching Strategy: Implement and optimize database schemas, queries, and caching strategies to maximize system performance and throughput.

System Reliability & Security: Monitor and enhance application performance, security posture, and system scalability across backend environments.

Automated Testing & Quality: Author automated test suites and actively participate in code reviews to enforce rigorous code quality standards.

Production Troubleshooting: Rapidly debug and resolve complex production issues to ensure high availability and operational continuity.

Documentation & Process Engineering: Contribute to technical documentation and lead process improvements to streamline development workflows.

RESTful APIs Database Caching System Scalability Automated Testing Production Debugging

Senior Full Stack Engineer

Emporia Group

July 2026 - Present

Muntinlupa City, Philippines (Remote)

Deliver end-to-end full stack software engineering services with primary focus on designing, building, and scaling high-performance backend systems using Go (Golang).
Manage continuous enhancement, manual/automated deployment, testing, and long-term maintenance of production applications.
Exercise independent technical judgment to analyze complex business requirements, resolve deep-seated system issues, and optimize application performance.
Collaborate directly with project stakeholders, product managers, and cross-functional teams to translate strategic goals into reliable technical architectures.

Go (Golang) Full Stack Backend Architecture Deployments

Senior Software Engineer

Innovative Research and Intelligent Solutions

May 2024 - June 2026

Metro Manila, Philippines (Remote)

Managed and maintained production environments on Amazon Web Services (EC2, S3, RDS), ensuring high availability for Fastify (Node.js) and React applications.
Acted as primary engineer responsible for end-to-end maintenance of core modules from backend logic to frontend UI.
Established rigorous personal code review and testing workflow to maintain high standards of code quality and performance.
Updated and expanded backend services, diagnosed AWS technical bottlenecks, and developed reusable modular code libraries.

AWS (EC2/S3/RDS) Fastify Node.js React.js

Cloud Engineer

Senti Techlabs Inc.

Mar 2023 - May 2024

Taguig City, Philippines (Remote)

Owned full SDLC for core system functionalities from architectural analysis and design to deployment and maintenance.
Engineered robust backend services using Fastify strictly adhering to OpenAPI Specifications for scalable API contracts.
Maintained disciplined solo workflow performing self-directed code reviews and testing for high code efficiency.
Proactively modernized legacy modules and created shared libraries, reducing future development time by at least 30%.

Fastify OpenAPI Cloud Services Modular Arch

Full Stack Developer

Hesedovation PH

Mar 2019 - Mar 2023

Singapore (Remote)

Engineered and maintained core software programs using Go (Golang) over a 4-year period for high-efficiency backend logic.
Developed responsive user interfaces using Vue.js, TypeScript, and JavaScript with seamless API integration.
Managed production deployments manually via PuTTY, handling server-side Linux configurations and service restarts.
Containerized applications with Docker and executed manual testing protocols to ensure system stability.

Go (Golang) Vue.js Docker Linux Admin

Developer CLI Console

Interactive shell environment. Type commands or tap suggestions to explore credentials.

ralph_lozada@backend-node:~

zsh v5.9

Welcome to Ralph Lozada's Interactive Terminal v2.0

Type help or tap a command below to explore.

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Direct Contact & Verification

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LinkedIn Profile

linkedin.com/in/r-lozada

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