App LogoApp name
DW

Dennis Wijangco

Open to work8 years experience

Senior AI and Full Stack Engineer

Tagumpay St, San Fernando, PampTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Senior AI and Full Stack Engineer

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

31 skills
pythontypescriptjavascriptc#phpgorustreactnext.jsreduxtailwind cssllmragtensorflowyoloocrobject detectionawsazuredockerkubernetesci/cdn8nzapierweb3.jssmart contractsfastapidjangonode.jslaravelasp.net

Work Experience

Full Stack Engineer

Freelance | Self-Employed

Sep 2024 - Present
  • Built Conversational Car Marketplace (Next.js, FastAPI, PostgreSQL, LLMs) for 500+ daily users, cutting manual search time 50%.
  • Delivered 3D Shoes Design Web App (React, Tailwind, Three.js, TypeScript) handling 10k+ monthly sessions with real-time 3D customization.
  • Developed AI-Powered DJ Web App (React, Tailwind, AI) generating 1000+ personalized mixes/month, raising engagement 35%.
  • Led AI Hotel Assistant SaaS (Next.js, Laravel, FastAPI, LLM+RAG) for 100+ hotels, automating concierge and reducing support response 60%.
  • Optimized backend APIs, database queries, and frontend performance, improving system efficiency 25–40% and delivering scalable AI-integrated SaaS solutions.

Business Architect

Accenture

Mar 2023 - Jul 2024
  • Worked as a Business Architect. My main job was to make sure business goals matched with technology solutions.
  • Led the end-to-end development of 10+ SaaS platforms and AI-integrated web applications using FastAPI, Django, React, and Next.js, delivering scalable, production ready solutions.

Python Developer

WAZILE Inc.

Apr 2020 - Nov 2022
  • I worked with stakeholders, product teams and engineers. We analyzed what the business needed.
  • I took part in planning systems automating workflows and documenting things. I also coordinated with teams.
  • Integrated AI technologies, including Large Language Models, conversational chatbots, RAG (Retrieval Augmented Generation), and Virtual Try-On (VTO) systems, enhancing automation, personalization, and user engagement.
  • Designed and implemented 50+ RESTful APIs and backend services connecting AI modules, frontend interfaces, and database systems to ensure seamless data flow and high performance.
  • Established CI/CD pipelines, automated testing, and monitoring frameworks for AI-powered platforms, cutting production issues by 50% and accelerating deployment cycles by 60%.
  • Mentored and led junior developers on Python backend development, AI integration best practices, and modern React/Next.js frontend workflows, boosting productivity and code quality.

Fullstack & Blockchain Developer

Orion Tools

May 2018 - Dec 2019
  • I have created web interface for token management, burning, and wallet interactions.
  • I have integrated smart contract operations and blockchain transactions.
  • I have implemented user-friendly navigation and real-time blockchain data display.

Projects

Projects Not Populated

Personal applications, open-source work, and code repos will show here.

Leaderboard Standings

Leaderboard Position Pending

Global test scores, peer standing percentiles, and algorithm leaderboard ranks are updated dynamically.

Assessment Highlights

Assessments Not Completed

Coding evaluations, system assessment results, and conceptual score badges will appear here after taking a test.

AI Collaboration Score

AI Collaboration Score Pending

Developer coding behavior, assistant cooperation, and AI pair-programming indicators are evaluated during live coding sessions.

Role Compatibility Profile

Role Compatibility Analysis Pending

Custom matching reports, candidate role compatibility percentiles, and core engineer strength profiles are processed once conceptual code screenings are complete.

Achievements

Conversational Car Marketplace

Built Conversational Car Marketplace for 500+ daily users, cutting manual search time 50%.

3D Shoes Design Web App

Delivered 3D Shoes Design Web App handling 10k+ monthly sessions with real-time 3D customization.

AI-Powered DJ Web App

Developed AI-Powered DJ Web App generating 1000+ personalized mixes/month, raising engagement 35%.

AI Hotel Assistant SaaS

Led AI Hotel Assistant SaaS for 100+ hotels, automating concierge and reducing support response 60%.

About Details

Professional Bio

Senior AI and Full Stack Engineer with 8+ years of experience building scalable SaaS, AI-powered platforms, and cloud-native applications. Specialized in LLM integrations, RAG systems, conversational AI, and high-performance backend architectures.

Bachelor of Computer Science

University of the Philippines Diliman (2014 - 2018)

Languages: English, Hindi
Email: Locked