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I am a seasoned and versatile Senior Full Stack Software Engineer with over 8 years of experience delivering robust, scalable, and elegant web applications. I am proficient in modern JavaScript/TypeScript frameworks, server-side development, cloud infrastructure, and DevOps practices. I have extensive experience in AI/ML engineering focused on Natural Language Processing, semantic search, AI agents, and Retrieval-Augmented Generation architecture. I have delivered production-ready AI systems integrating large-scale data scraping and context-aware retrieval to power intelligent workflows. I'm passionate about performance, clean code, and intuitive user experiences.…I am a seasoned and versatile Senior Full Stack Software Engineer with over 8 years of experience delivering robust, scalable, and elegant web applications. I am proficient in modern JavaScript/TypeScript frameworks, server-side development, cloud infrastructure, and DevOps practices. I have extensive experience in AI/ML engineering focused on Natural Language Processing, semantic search, AI agents, and Retrieval-Augmented Generation architecture. I have delivered production-ready AI systems integrating large-scale data scraping and context-aware retrieval to power intelligent workflows. I'm passionate about performance, clean code, and intuitive user experiences.

Ren er Lopez

Full Stack Developer, Back-End Developer, Front-End Developer, +5

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I am a seasoned and versatile Senior Full Stack Software Engineer with over 8 years of experience delivering robust, scalable, and elegant web applications. I am proficient in modern JavaScript/TypeScript frameworks, server-side development, cloud infrastructure, and DevOps practices. I have extensive experience in AI/ML engineering focused on Natural Language Processing, semantic search, AI agents, and Retrieval-Augmented Generation architecture. I have delivered production-ready AI systems integrating large-scale data scraping and context-aware retrieval to power intelligent workflows. I'm passionate about performance, clean code, and intuitive user experiences.…I am a seasoned and versatile Senior Full Stack Software Engineer with over 8 years of experience delivering robust, scalable, and elegant web applications. I am proficient in modern JavaScript/TypeScript frameworks, server-side development, cloud infrastructure, and DevOps practices. I have extensive experience in AI/ML engineering focused on Natural Language Processing, semantic search, AI agents, and Retrieval-Augmented Generation architecture. I have delivered production-ready AI systems integrating large-scale data scraping and context-aware retrieval to power intelligent workflows. I'm passionate about performance, clean code, and intuitive user experiences.

Available to hire

I am a seasoned and versatile Senior Full Stack Software Engineer with over 8 years of experience delivering robust, scalable, and elegant web applications. I am proficient in modern JavaScript/TypeScript frameworks, server-side development, cloud infrastructure, and DevOps practices.

I have extensive experience in AI/ML engineering focused on Natural Language Processing, semantic search, AI agents, and Retrieval-Augmented Generation architecture. I have delivered production-ready AI systems integrating large-scale data scraping and context-aware retrieval to power intelligent workflows. I’m passionate about performance, clean code, and intuitive user experiences.

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Work Experience

Full Stack Engineer at Parabola

June 1, 2025 - September 5, 2025

Architected and delivered AI-driven B2B SaaS solutions with emphasis on automation, performance, SEO, and chatbot innovation. Operated across the full stack using React, Django, Java, GraphQL, and AWS. Designed a Retrieval-Augmented Generation chatbot increasing end-user task success rate by 60%. Developed scalable Java server-side microservices using Spring Boot applying clean architecture and DDD, improved system performance and deployment efficiency through Docker and Kubernetes integration. Created secure API endpoints with Django/Python and GraphQL serving 50k+ active users monthly. Built AWS infrastructure including EC2, S3, and Lambda architectures for containerized microservices deployment. Integrated server-side pagination reducing page load times by 25% on data-heavy dashboards. Automated testing, build, and deployment processes using GitHub Actions reducing regression by 45%. Customized WordPress Elementor themes and implemented structured data driving a 15% increase in orga

Senior Full Stack Engineer at Synergo Group

November 1, 2022 - September 5, 2025

Contributed to secure Web3 platforms by developing decentralized user systems, implementing crypto integrations, and building responsive full-stack applications using Next.js, TypeScript, and AWS. Engineered wallet-based blockchain login decreasing unauthorized access by 35% and boosting user trust. Connected Ethereum smart contracts and crypto payments reducing transaction time by 40%. Built and deployed secure RESTful APIs with MongoDB, Tailwind CSS, and TypeScript across multi-platform apps. Leveraged AI coding assistants like GitHub Copilot and ChatGPT to streamline development workflows and boost team efficiency. Wrote robust E2E and unit tests with Jest and Cypress maintaining 90%+ code coverage. Mentored junior developers on modern full-stack best practices accelerating team productivity and elevating code quality.

Senior Frontend Engineer at LiteDev

October 1, 2020 - September 5, 2025

Led frontend development for a global e-commerce brand, optimizing web performance, SEO, and real-time personalization using modern web architecture and cloud delivery networks. Rebuilt customer-facing sites using Next.js (SSG & SSR) and GraphQL improving page speed and SEO scores by 40%. Integrated user analytics and ran A/B experiments with custom scripts and third-party platforms to drive UX improvements. Leveraged CloudFront + Lambda@Edge to deliver localized, cached content improving TTFB by 300ms in high-traffic regions. Integrated WebSockets for instant updates in shopping carts and order status increasing user satisfaction and engagement. Translated design specs from Figma into fully dynamic UIs maintaining 1:1 visual accuracy across devices. Acted as frontend lead collaborating with backend, marketing, and product analytics teams in a fast-paced Agile environment.

Frontend Developer (Intern) at IBM Philippines

November 1, 2018 - September 5, 2025

Contributed to IBM’s global digital modernization initiatives by developing client-facing and internal web applications using the MERN stack. Developed enterprise-grade React.js applications integrated with Node.js backends and MongoDB, streamlining user workflows across finance and logistics platforms. Set up GitHub Actions pipelines and staging environments reducing QA feedback loop time by 35%. Translated Figma/XD designs into accessible, responsive components with MUI and Tailwind CSS, raising usability scores across products. Participated in client-facing demos and iteration cycles resulting in a 25% decrease in post-deployment change requests. Actively participated in Agile rituals and cross-functional collaboration, shipping MVPs ahead of deadline.