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Calin Onaca | Software Developer

Let's Build Something Amazing Together

I build modern, secure, and high-performance web solutions designed to help businesses grow. Whether you need a sleek website, a powerful mobile app, or smart automation to make your life easier, I make sure everything is built with care, efficiency, and delivered on time—every time. And if you need help getting noticed? I also assist with marketing setup, from SEO optimization to running effective ad campaigns, so your business doesn’t just look good—it gets found.

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Fast & Secure Websites

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SEO-Optimized & Mobile-Friendly

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Professional Branding & Graphic Design Support

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Marketing Setup to Help You Get More Customers

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Guaranteed On-Time Delivery

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Best Price for the Quality You Get—Affordable & Transparent

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7+ years experience in web development

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What I Can Build for You

From custom websites to intelligent automation, I craft secure, scalable, and high-performing solutions designed to elevate businesses and streamline operations

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Web Development

Custom websites and high-converting landing pages designed for speed, security, and seamless user experience. Built with modern technologies and optimized for performance, each project is crafted with precision to bring your ideas to life and turn vision into reality.

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Mobile Apps

Seamlessly scalable and fully responsive mobile applications designed for both iOS and Android. Built for performance, usability, and adaptability, ensuring your ideas reach people wherever they are.

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SEO & Optimization

Boost your online presence and climb the search rankings with advanced SEO strategies. Optimized for speed, relevance, and visibility, ensuring your website reaches the right audience at the right time.

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Branding & Identity

Build a strong and recognizable brand that stands out. From logo creation to visual identity, I help shape brands that are memorable, professional, and aligned with your vision.

My Recent Work

Take a look at some of the projects I’ve brought to life.

Biltmore Care Home
Biltmore Care Home

A modern and comprehensive web platform designed for assisted living management. BiltmoreCare offers seamless facility management, resident tracking, automated reminders, and secure document handling—ensuring top-quality care and operational efficiency.

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TL-DB
TL-DB

A feature-rich web app built for travel and history enthusiasts. TLDB offers integrated payments, interactive maps, and a seamless experience to explore locations, uncover history, and access endless possibilities.

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Philippians 3:14
Philippians 3:14

A platform inspired by Philippians 3:14, dedicated to bringing people closer to God. It fosters a strong, supportive community where faith grows, and individuals are empowered to uplift and help others.

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Starlight Senior Placement
Starlight Senior Placement

A trusted senior placement agency dedicated to helping families find the perfect care for their loved ones. Starlight offers compassionate guidance, personalized support, and expert recommendations to ensure seniors receive the best living arrangements tailored to their needs.

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AgroUtilaj Service
AgroUtilaj Service

A leading platform in Romania for buying and selling agricultural machinery. Agrouilaj Service connects farmers with high-quality equipment, offering reliable solutions for modern agriculture. With a focus on efficiency and durability, we help businesses find the right tools to grow and thrive

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Don’t Take My Word for It – Take Theirs

"Working with Calin was an incredible experience. He didn’t just build a website—he helped shape the entire vision of my business. From branding to marketing, he guided me through every step, making sure Starlight stood out. The website is fast, secure, and truly represents who we are. I couldn’t have asked for a better partner in this journey."

Ramona, Starlight Senior Placement

"Calin is more than just a developer—he’s a true visionary. He took my ideas for TLDB and Philippians 3:14 and transformed them into powerful platforms that truly serve their purpose. His expertise in web development, automation, and design brought everything to life, but what stood out most was his dedication. He didn’t just build websites; he built communities, ensuring every detail aligned with my mission. I couldn’t have done this without him"

Daniel, TLDB & Philippians 3:14

"Calin played a key role in bringing Agrouilaj Service online, turning our vision into a professional, high-performing platform. He handled everything from development to optimization, ensuring the site runs smoothly and effectively connects farmers with the right equipment. His dedication, technical expertise, and business mindset made the entire process seamless. I highly recommend working with him!"

Adriana, AgroUtilaj Service