Sajjadur Rahaman Shawon

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About

I’m a developer who specializes in… from…

Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it.


Employment and project experience

Senior Developer Salesforce Inc.
January 2017 - March 2017

Full-stack Developer Microsoft Inc.
January 2019 - March 2019

  • 6 years' experience
  • Joined March 2026

Languages

  • EnglishAdvanced
  • BengaliFluent

Industry experience

  • Software & Internet
  • Education
  • Professional Services
  • Retail
  • Media & Entertainment

Work experience

Senior Full-Stack WordPress Developer · buzzgeekMar 2026 – Present · 9 mos

Architected and developed fully customized, high-performance WordPress websites tailored to complex client business logic. Developed and maintained specialized custom plugins and themes to extend core platform features. Handled continuous website maintenance, security patching, and performance optimization for active client portals.

Senior WordPress Developer · Sylvex InnovationsJan 2023 – Feb 2026 · 3 yrs 2 mos

Led development and deployment of 50+ custom WordPress websites across multiple industries. Engineered custom plugins implementing business-specific workflows, automation, and REST API integrations. Built advanced WooCommerce solutions (custom checkout flows, pricing logic, inventory workflows, and product configurators). Designed secure frontend dashboards with role-based access control, approval workflows, AJAX interactions, and notification systems. Managed AWS infrastructure, WHM/cPanel servers, migrations, SSL, backups, and security hardening while optimizing for high Core Web Vitals.

WordPress Developer (Freelance - Project Based)Jan 2020 – Present · 6 yrs 11 mos

Built fully custom WordPress websites for direct clients, managing complete project lifecycles from architecture to deployment. Managed AWS and Linux infrastructure for multiple production environments. Improved Core Web Vitals using advanced performance optimization techniques. Owned end-to-end project delivery from planning through deployment.

Education

Bachelor of Science (B.Sc.) in CSE · Daffodil International University2019 – 2026
H.S.C: Science · Govt Debendra College2014 – 2026
S.S.C: Science · Manikgonj Govt High School2012 – 2026

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