Saunak
Mandal.
12+ years crafting high-performance WordPress & PHP solutions. Backend specialist, freelancer & team mentor — delivering clean code, scalable architecture, and real results for clients worldwide.
Developer, Freelancer & Backend Expert
12+ years of professional experience combined with 50+ freelance projects worldwide.
Senior PHP & WordPress developer based in Kolkata, India — with hands-on experience at top companies and a thriving parallel freelance career delivering 50+ projects to global clients.
I build custom WordPress themes, plugins, WooCommerce stores, PHP backends, and REST APIs. From startup MVPs to enterprise portals, I deliver clean, maintainable, and scalable code.
Holder of an MCA from Kalyani Government Engineering College and the Certificate of Best Performer 2021–22 at Capsquery Pvt. Ltd.
What I Build With
Website Work & Projects
Real projects built across freelance engagements and employment.
Available for Projects
- Custom theme from Figma/PSD
- Plugin development & customisation
- WordPress migration & upgrades
- Gutenberg block development
- WooCommerce setup & customisation
- Razorpay, Stripe, PayPal
- Custom pricing & product rules
- Order automation
- Custom PHP web apps & portals
- REST API development
- Database design (MySQL)
- Cron jobs & automation
- Core Web Vitals audit
- Caching (Redis, WP Rocket)
- Image & lazy loading
- DB query optimisation
- Full security audit & hardening
- Malware removal & recovery
- SSL, firewall & 2FA setup
- Monthly retainers
- WordPress error debugging
- Plugin conflict resolution
- White-label dev for agencies
- Code review & refactoring
Ready to start your project?
Free initial consultation. I respond within 24 hours.
My 12-Year Journey
- Delivering custom WordPress & PHP projects for clients globally.
- Building WooCommerce stores, custom plugins, REST APIs, and PHP backends.
- Providing performance optimisation, security audits, and maintenance retainers.
- 50+ projects delivered with 100% on-time rate and 5-star client satisfaction.
- Developed, tested & maintained robust, scalable PHP-based web applications.
- Led and mentored junior developers, fostering a collaborative environment.
- Contributed to full SDLC ensuring high-quality code and best practices.
- Also worked as .NET Developer — maintaining & adding features to existing projects.
- Led a team building custom WordPress themes and plugins from scratch.
- Achieved 30% reduction in website loading times via performance optimization.
- Developed and maintained e-commerce solutions facilitating revenue growth.
- Worked directly with clients to plan, scope, and deliver development plans.
- Conducted regular security audits and implemented best practices against vulnerabilities.
- Validated third-party code to comply with internal standards.
- Provided technical support ensuring high customer satisfaction.
- Security maintenance and patching on website interface post-launch.
- Developed user-friendly web forms with robust validation and error handling.
- Front-end development using WordPress, HubSpot, and other CMS tools.
- Built and maintained WordPress websites for small businesses and nonprofits.
- Hands-on experience in PHP, MySQL, and JavaScript for WordPress sites.
- Participated in code reviews; adhered to coding standards and best practices.
- Implemented SEO techniques to enhance website visibility and ranking.
Academic Background
Let's Work Together
Open to full-time roles, freelance projects, and collaborations. I reply within 24 hours.