About Chanuka Jeewantha

Chanuka Jeewantha is a highly skilled Digital Marketing Specialist and Full Stack Developer based in Kadawatha, Sri Lanka, with over seven years of experience in crafting result-driven marketing strategies and developing scalable web applications. With a strong background in SEO, paid advertising, social media marketing, brand growth, and full-stack web development, Chanuka has successfully helped businesses expand their online presence and achieve substantial revenue growth.


Professional Experience

Digital Marketing Specialist – Silicon Generation (Pvt) Ltd (2021-2024)

During his tenure at Silicon Generation (Pvt) Ltd, Chanuka Jeewantha played a crucial role in implementing comprehensive digital marketing strategies that resulted in a 30% increase in lead generation. His expertise in Google Ads, Facebook Ads, Instagram, and LinkedIn marketing significantly boosted the company’s digital outreach.

  • SEO Optimization: Conducted extensive keyword research and on-page SEO improvements using SEMrush and Google Analytics, driving a 60% growth in organic traffic over three years.

  • Paid Advertising: Managed PPC campaigns that led to a 20% reduction in CPC and contributed to $100,000 in sales revenue.

  • Social Media Growth: Increased the company’s social media following by 100,000+ followers through strategic content marketing and audience engagement.

  • Email Marketing Success: Designed impactful campaigns using Mailchimp and HubSpot, achieving an email open rate of 35% and a click-through rate of 25%.

  • Analytics & Reporting: Provided data-driven insights through Google Analytics, Facebook Insights, and SEMrush, optimizing future marketing strategies.

  • Brand Awareness & Lead Generation: Successfully improved brand visibility by 50%, generating over 5,000 qualified leads.

Founder – DigiLab Digital Marketing Agency (2018-Present)

As the Founder of DigiLab, a leading digital marketing agency, Chanuka Jeewantha has built a reputable business serving clients in the US, UK, and Canada. His strategic approach has delivered significant improvements in website traffic and conversion rates for over 21 clients.

  • International Campaign Management: Developed marketing strategies tailored to global audiences, ensuring cultural relevance and compliance with regional regulations.

  • Data-Driven Strategies: Led campaigns that resulted in an 80% increase in website traffic and a 30% rise in conversion rates.

  • Full-Service Digital Marketing Solutions: Specialized in SEO, PPC, content marketing, social media marketing, and email automation.

Full Stack Development Expertise

In addition to digital marketing, Chanuka Jeewantha is a proficient Full Stack Developer with expertise in modern web technologies, building robust and scalable applications.

  • Frontend Development: Proficient in HTML, CSS, JavaScript, React.js for creating interactive and responsive user interfaces.

  • Backend Development: Skilled in Node.js, Express.js for developing high-performance server-side applications.

  • Database Management: Experienced in MongoDB for managing NoSQL databases efficiently.

  • CMS Development: Expert in WordPress development, creating custom themes and plugins.

  • End-to-End Web Solutions: Capable of developing full-stack applications with modern technologies, ensuring seamless performance and scalability.

Educational Background

  • Bachelor of Science (Hons) Engineering – General Sir John Kotelawala Defence University (2024-Present)

  • Previous Studies (2020-2023) – General Sir John Kotelawala Defence University

Why Work with Chanuka Jeewantha?

As an experienced digital marketing consultant and full stack developer, Chanuka Jeewantha combines technical expertise with creative marketing strategies to help businesses scale. Whether it’s increasing organic traffic, optimizing paid ad campaigns, enhancing brand engagement, or developing cutting-edge web applications, his data-driven approach ensures measurable success.

For collaborations, consultations, or digital marketing and web development solutions, reach out at cjwagaarachchi@gmail.com.

Explore his portfolio: Chanuka Jeewantha Portfolio

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