Full-Stack Engineer & AI SaaS Builder|
I build scalable web applications for engineering teams and production-ready AI SaaS products for startup founders — end to end, from architecture to deployment.
★★★★★ 5.0 · Verified on Upwork
“Daniel was a pleasure to work with. He remained adaptable to my startup's changing needs over the term of our contract and provided an excellent work product. He was communicative with multiple members of our team throughout, and we will work with him again.”
B2B SaaS MVP — Next.js, Supabase, Tailwind
“Working with Daniel is great. We have worked together on multiple projects. He is great at communication and works fast and reliably — what anyone would want in a partner. If you're looking to successfully complete software development projects hit up Daniel — he's your guy.”
Repeat client — Dev work
“Daniel did a great job on a LAMP REST API deployment to Amazon Web Services. We'd be happy to work with this freelancer again.”
REST API deployment to AWS — Upwork Enterprise
“I had the pleasure of working with Daniel on a first-of-its-kind graph visualization project, and I couldn't be more impressed. He was instrumental in building the Proof of Concept and bringing our vision to life. Daniel was able to translate complex ideas into an intuitive and user-friendly design, all while maintaining a high level of functionality.”
Javascript graph visualization — Proof of Concept
“Daniel was a pleasure to work with. He remained adaptable to my startup's changing needs over the term of our contract and provided an excellent work product. He was communicative with multiple members of our team throughout, and we will work with him again.”
B2B SaaS MVP — Next.js, Supabase, Tailwind
“Working with Daniel is great. We have worked together on multiple projects. He is great at communication and works fast and reliably — what anyone would want in a partner. If you're looking to successfully complete software development projects hit up Daniel — he's your guy.”
Repeat client — Dev work
“Daniel did a great job on a LAMP REST API deployment to Amazon Web Services. We'd be happy to work with this freelancer again.”
REST API deployment to AWS — Upwork Enterprise
“I had the pleasure of working with Daniel on a first-of-its-kind graph visualization project, and I couldn't be more impressed. He was instrumental in building the Proof of Concept and bringing our vision to life. Daniel was able to translate complex ideas into an intuitive and user-friendly design, all while maintaining a high level of functionality.”
Javascript graph visualization — Proof of Concept
A selection of my recent work building scalable applications and innovative solutions
Built an AI-powered proposal generator that helps Upwork freelancers win more clients. The platform analyzes job postings and crafts personalized, high-converting proposals in seconds. Features include multiple AI models (GPT-4, Claude), profile optimization, tone customization, and a tiered subscription system. Delivered a production-ready SaaS with free tier, payment integration, and growing user adoption from freelancers worldwide.
Led a team of developers to build a full-stack AI-powered platform that helps users generate tailored, ATS-optimized resumes and cover letters. Spearheaded development across both frontend and backend—integrating OpenAI for AI content generation, Google OAuth for authentication, and Stripe for subscription billing. Delivered PDF export, dynamic user dashboards, and maintain code review and deployment. Resulted in a production-ready, tier-based SaaS with a growing user base and positive feedback from job seekers.
Built a full-stack, multi-tenant job platform connecting companies with global talent across regions. Worked across both frontend and backend, translating pixel-perfect Figma designs into responsive interfaces and building scalable APIs and role-based access controls. Integrated multilingual support, secure file uploads with Cloudinary, and optimized UX for job seekers and recruiters. Delivered a production-ready, performant SaaS solution designed for growth and international reach.
Collaborated with developers to build a Chrome extension that enhances email productivity directly within Gmail. Worked across both frontend and backend components, ensuring seamless integration with Gmail's UI. Focused on delivering a clean, intuitive user experience with real-time analysis and seamless authentication flow. Implemented persistent storage, extension lifecycle management, and performance optimizations for a smooth user flow. Resulted in a lightweight, reliable productivity tool adopted by many.
Technologies I use to build scalable, maintainable applications
Thoughts, tutorials, and insights on software development and technology
After losing a role due to poor collaboration skills, I learned that technical excellence isn't enough. Here's why emotional intelligence is becoming the real competitive advantage for developers—and how to start building it today.
Read moreAn honest look at what it takes to build and launch micro SaaS products in 2025. This guide covers validation, development, pricing strategies, and the realities of bootstrapping in today's market.
Read moreAfter going quiet for a while, this post reflects on why I paused sharing, what changed, and why I’m now ready to re-emerge—on my own terms.
Read moreShip with Daniel
No fluff. Just what I'm building, learning, and shipping.
Have a project in mind? I'm always open to discussing new opportunities, creative ideas, or ways to bring your vision to life.
