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Hi! I'm Saul, a passionate Senior Software Engineer with over 9 years of experience in building cutting-edge AI-driven and web-based applications. I love turning complex problems into elegant solutions and am deeply committed to crafting responsive, user-centric interfaces. Collaboration fuels my creativity, and I thrive in fast-paced environments where continuous learning and growth are paramount. Let's build something amazing together!…Hi! I'm Saul, a passionate Senior Software Engineer with over 9 years of experience in building cutting-edge AI-driven and web-based applications. I love turning complex problems into elegant solutions and am deeply committed to crafting responsive, user-centric interfaces. Collaboration fuels my creativity, and I thrive in fast-paced environments where continuous learning and growth are paramount. Let's build something amazing together!

Saul Vendrell

AI Engineer, AI Prompt Engineer, Full Stack Developer

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Hi! I'm Saul, a passionate Senior Software Engineer with over 9 years of experience in building cutting-edge AI-driven and web-based applications. I love turning complex problems into elegant solutions and am deeply committed to crafting responsive, user-centric interfaces. Collaboration fuels my creativity, and I thrive in fast-paced environments where continuous learning and growth are paramount. Let's build something amazing together!…Hi! I'm Saul, a passionate Senior Software Engineer with over 9 years of experience in building cutting-edge AI-driven and web-based applications. I love turning complex problems into elegant solutions and am deeply committed to crafting responsive, user-centric interfaces. Collaboration fuels my creativity, and I thrive in fast-paced environments where continuous learning and growth are paramount. Let's build something amazing together!

Available to hire

Hi! I’m Saul, a passionate Senior Software Engineer with over 9 years of experience in building cutting-edge AI-driven and web-based applications. I love turning complex problems into elegant solutions and am deeply committed to crafting responsive, user-centric interfaces. Collaboration fuels my creativity, and I thrive in fast-paced environments where continuous learning and growth are paramount. Let’s build something amazing together!

Skills

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Work Experience

Senior Front-End Engineer at Kiggla

July 1, 2025 - July 1, 2025

Owned end-to-end feature development for React + Next.js interfaces supporting 100k+ monthly active users. Integrated OpenAI APIs and LangChain workflows into front-end dashboards for AI-driven analytics and document generation. Implemented A/B testing and UX experiments that improved onboarding conversion rates by 28%. Designed reusable UI components with Storybook, increasing front-end delivery speed by 35%. Partnered with backend and data teams to define REST/GraphQL APIs powering AI agent interactions. Optimized site performance through lazy loading, server-side rendering, and bundle size reductions (achieved 95+ Lighthouse scores). Led CI/CD adoption with GitHub Actions and Vercel, reducing release cycles from weekly to daily deployments. Mentored junior engineers.

Software Engineer at Walmart

August 1, 2018 - August 1, 2018

Developed real-time analytics dashboards using React, D3.js, and Node.js to visualize millions of operational data points. Collaborated with design and QA to ensure responsive, WCAG-compliant, and performant UIs across devices. Refactored legacy code to modular React components, cutting load times by 40%. Participated in Agile sprints, code reviews, and testing initiatives improving developer velocity and software reliability.

Front-End Developer at NerdsToGo

November 1, 2010 - November 1, 2010

Built responsive and cross-browser compatible UIs using React, HTML, and CSS. Implemented caching and asset compression strategies improving page load time by 30%. Collaborated with designers to create intuitive, conversion-focused interfaces for non-technical users.

Internal AI Applications Engineer at Kiggla

February 1, 2022 - September 1, 2025

Architected internal AI applications using Python, FastAPI, and Node.js, integrating LLMs and embeddings to automate workflows and reduce manual effort by 47 percent. Engineered AI-powered front-end interfaces in Next.js and TypeScript, improving user task completion speed by 38 percent through streamlined flows and responsive design.

Software Engineer at D’Vinci Group

August 1, 2018 - February 1, 2022

Delivered full-stack features using React with TypeScript, Node.js, and PostgreSQL, boosting user engagement metrics by 26 percent. Integrated emerging AI capabilities into customer-facing workflows, enabling automated insights and reducing manual review effort by 34 percent.

Web Developer at NerdsToGo

June 1, 2015 - July 1, 2018

Produced full-stack web functionality using JavaScript, PHP, SQL, and REST APIs, improving client delivery throughput by 28 percent. Refactored legacy modules for stability and long-term maintainability, lowering bug recurrence by 33 percent.