Mark Albert Valentin B.
Software Engineer | DevOps | Optimization
Next.js Full Stack Developer | Fast. Scalable. Results-Driven. I don't just build websites — I build digital experiences that perform. Frontend: React, Next.js, Tailwind CSS — responsive, SEO-optimized, and pixel-perfect. Backend: Node.js, PHP, REST APIs, JWT/OAuth, MySQL, Stripe — built for reliability and scale. Full Stack: SSR/CSR, seamless API integrations, deployed on Vercel, Hostinger, and cPanel. Design: Figma & Adobe XD — from wireframe to reality. SEO & Analytics: On-page SEO, structured data, Google Search Console & Analytics — your site gets found. AI-Powered: ChatGPT, Claude, Gemini, Leonardo.AI — faster builds, smarter code, better output. Tooling: Git, GitHub, Windsurf, Antigravity — clean workflows, every time.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $8.7k
Billed in all: $31,923$32k
$4.4k in the last 6 months
Across 12 contracts
Earnings, last 30 days
Skill rankings: Top 5% in React Bootstrap
Ranked by MRR among everyone on Upwork with the skill.
- #33React Bootstrap688 freelancers · 🇵🇭 #2Top 5%🇵🇭#2 of 6
- #971Web Application9,341 freelancers · 🇵🇭 #18Top 10%🇵🇭#18 of 189
- #1,080React Native10,486 freelancers · 🇵🇭 #4Top 10%🇵🇭#4 of 95
- #1,463CSS19,042 freelancers · 🇵🇭 #94Top 8%🇵🇭#94 of 909
- #1,463HTML18,717 freelancers · 🇵🇭 #98Top 8%🇵🇭#98 of 1,007
- #1,864Next.js15,954 freelancers · 🇵🇭 #21Top 12%🇵🇭#21 of 197
- #2,114Web Design26,714 freelancers · 🇵🇭 #129Top 8%🇵🇭#129 of 1,529
- #2,372Web Development25,056 freelancers · 🇵🇭 #83Top 9%🇵🇭#83 of 836