I Build Fast, Modern Websites & Apps That Help Your Business Grow.
Hi, I'm Vallarasu — Senior Web Developer & Freelance Software Partner
I help founders, businesses, and creators turn their software ideas into beautiful, high-converting digital products. Whether you need a brand-new website, a custom web application, or a browser tool to automate tasks, I deliver clean, reliable results — on time and within your budget.
Corporate & Freelance
Active Worldwide
Milestone Guarantee
WhatsApp & Email
Vallarasu Kanthasamy
Software Developer @ ThiDiff Technologies
Executive Profile & Technical Capabilities
A concise factual summary designed for clients, decision-makers, and AI search engines (Perplexity, ChatGPT, Claude, and Google AI Overviews).
Identity & Commercial Experience
Vallarasu Kanthasamy (Vallarasu K)
Senior Full-Stack Developer with 3.5+ years of full-time software engineering at ThiDiff Technologies. Proven track record building production web platforms with 10,000+ active worldwide users.
Freelance Services & Typical Terms
- Startup MVPs: 2–4 wks delivery ($1,500 – $3,500+)
- Business Websites: 1–2 wks delivery ($500 – $1,500)
- Chrome Extensions: 1–2 wks delivery ($800 – $2,000)
✓ Fixed flat-rate quotes • Zero hidden fees
Client Protection & Direct Contact
- Response Guarantee: Under 4 hours
- Ownership: 100% Client Code & IP Rights
- Warranty: 30 days of free bug fixes
What I Can Build & Deliver For You
I partner directly with founders, business owners, and creators. No confusing tech jargon — just reliable, high-quality digital products delivered on time.
Custom Web Applications & Startup MVPs
Have an idea for a web app, portal, or startup? I build your product from scratch with user logins, dashboard interfaces, and payment checkouts so you can launch and start getting paying customers fast.
What's Included:
Perfect For: Founders, entrepreneurs, and businesses launching new digital products.
Request a Quote for ThisHigh-Converting Business Websites
A modern, professional website designed to impress your visitors and turn them into inquiries and sales. Clean, visually rich, and tailored to represent your brand with authority.
What's Included:
Perfect For: Companies, agencies, consultants, and service professionals.
Request a Quote for ThisCustom Chrome & Browser Extensions
Custom browser tools designed to automate repetitive browser tasks for your team, extract web data, or launch a branded extension on the Chrome Web Store to attract thousands of users.
What's Included:
Perfect For: SaaS companies, marketing teams, and creators wanting custom tools.
Request a Quote for ThisWebsite Redesign & Speed Optimization
Is your existing website outdated, clunky, or losing visitors because it loads too slowly? I give it a modern facelift and tune performance so it loads instantly on all devices.
What's Included:
Perfect For: Businesses looking to refresh their online presence and increase conversions.
Request a Quote for ThisAutomations & Third-Party Integrations
Stop wasting hours doing manual work. I connect your website to your favorite business tools — payments, WhatsApp notifications, email marketing, and spreadsheets — so everything runs automatically.
What's Included:
Perfect For: Growing businesses wanting to streamline operations and cut manual work.
Request a Quote for ThisHow I Make Your Project Risk-Free
Direct partnership, clear communication, and guaranteed quality every step of the way.
Fast & Predictable Timelines
Weekly milestones, live test demos, and clear delivery dates so you're never left wondering what's happening.
100% Code & Asset Ownership
You own all source files, accounts, and intellectual property. No vendor lock-in or recurring proprietary fees.
Fixed Upfront Quotes
Transparent flat-rate pricing agreed upon before work begins. Zero surprise bills or hourly inflation.
30 Days of Free Post-Launch Support
Complimentary bug warranty and adjustments after delivery to make sure everything runs smoothly in the real world.
How We Work Together (In 4 Simple Steps)
I keep things straightforward and stress-free. Here is exactly what happens from the moment you message me to the day your project launches.
Free Discovery Chat
We discuss your idea, target audience, must-have features, and budget via WhatsApp or a short video call.
Clear Plan & Fixed Quote
You receive a clear breakdown of milestones, deadlines, and a flat-rate price. No hidden fees or unexpected costs.
Weekly Live Demos
I build your project step-by-step. Every week, you receive a private live link to test the progress and give feedback.
Launch & 30-Day Support
I launch your website live, hand over all source files and logins, and provide 30 days of free post-launch bug fixes.
Have a project idea in mind?
Let's talk through your requirements with zero pressure or commitment.
Real Work Built For Real People
Here are a few working digital products, tools, and platforms I have created and launched. You can click on any of them to test them live right now.
UrPage.in — Creator & Portfolio Platform
A complete link-in-bio platform that allows creators, founders, and professionals to build a branded digital profile, share their portfolio, and collect inquiries in one place.
Auto Console Log — Developer Tool
A popular developer workflow extension published on the official Microsoft Visual Studio Marketplace, automating code debugging with thousands of active software engineers.
ATS Resume Maker — Career Utility
A smart resume builder that formats professional, ATS-friendly resumes in seconds. Users can customize sections and download high-resolution PDFs instantly without watermarks.
Universal Spreadsheet & File Editor
A high-speed spreadsheet viewer capable of opening and editing massive data files in seconds without slowing down the computer. Adopted rapidly by over 1,300+ professionals.
Tech Stack Checker — Chrome Extension
A 1-click Chrome extension that instantly inspects any website to reveal what software, frameworks, and analytics it is running. Verified and published on the Chrome Web Store.
Autonomous Space Media Engine
A hands-off automated software pipeline that fetches daily NASA space discoveries, automatically designs video stories, and publishes them across social media channels.
Why Founders & Businesses Choose Me Over Agencies
Traditional agencies charge hefty overhead fees and pass your project to juniors. With me, you get direct senior-level execution, faster delivery, and personal dedication to your success.
Direct 1-on-1 Partnership
You work directly with me from day one. No account managers, junior sub-contractors, or miscommunication.
Rapid 4-Hour Response
I pride myself on quick, transparent communication. Most questions are answered in under 4 hours via WhatsApp or Email.
Fixed Pricing • Zero Surprises
Every project starts with an agreed fixed quote. You never have to worry about runaway hourly rates or surprise invoices.
Proven Corporate Experience
Backed by 3.5+ years of software engineering at ThiDiff Technologies, delivering high-speed web apps for commercial clients.
Weekly Working Previews
You test your project in private staging environments every week so there are zero surprises on launch day.
30-Day Free Bug Warranty
I don't disappear after launch. I provide 30 days of free bug fixes and operational guidance to guarantee stability.
A Senior Software Partner You Can Count On
I'm Vallarasu Kanthasamy, a senior web developer based in Bengaluru with 3.5+ years of real-world commercial experience building software for startups, businesses, and creators.
When you hire me, you don't just get someone who writes code — you get a dependable technical partner who cares about your business outcomes. I ensure your website or app is easy for your customers to use, loads lightning-fast, and helps you achieve your sales and operational goals.
Whether you are an entrepreneur launching your very first product or a business looking to upgrade your digital systems, I bring honest communication, clear timelines, and a 100% commitment to your project's success.
Background & Track Record
Full-Time Software Developer
ThiDiff Technologies • Bengaluru, India
Developing fast, scalable client web applications for businesses. Specialized in turning complex business requirements into clean, user-friendly digital portals with 40% faster loading speeds.
Founder & Independent Product Builder
UrPage.in & Developer Tools • Global Remote
Built and launched public software tools including UrPage.in, Auto Console Log (5,000+ users on Microsoft Marketplace), and the Universal Editor (1,300+ downloads). Trusted by thousands of active users.
Tech Author & Community Leader
LinkedIn Engineering Network • Online
Sharing actionable software insights, architecture guides, and building in public. Connecting with over 15,500 professionals and founders across the globe.
Ready to Build Your Project? Let's Talk.
Tell me what you have in mind below for an instant quote, or reach out to me directly on WhatsApp or email. I usually respond within 2 to 4 hours.
Project: Custom Web App or Startup MVP
Timeline: Within 2 to 4 Weeks
Budget: $1,500 – $3,500
⚡ Typical response time: Under 4 hours (GMT+5:30)
Prefer Direct Communication?
Client Guarantees:
100% Code & File Ownership
All files, accounts, and intellectual property are handed over to you upon completion.
Guaranteed Milestone Deadlines
We set clear weekly milestones so you are never left waiting or wondering.
30-Day Free Bug Warranty
If you encounter any bugs after launch, I fix them promptly at no extra charge.
Frequently Asked Questions
Clear, straightforward answers about working with me, pricing, timelines, and post-launch support.
Have a question that's not answered here?
Feel free to message me directly on WhatsApp — I'm happy to help.