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I am Boris Ulanowicz, a results-driven Web and Email Developer who builds scalable HTML assets and automates marketing workflows to reach millions of users weekly. I specialize in creating maintainable components, implementing analytics and attribution pipelines, and delivering high-volume campaigns with speed and accuracy. I’m known for proactive collaboration with stakeholders, strong problem-solving, and a reputation for delivering high-quality work in fast-paced, global environments. I enjoy collaborating on innovation initiatives, internal tooling, QA, and cross-functional technical support to keep campaigns efficient and effective.…I am Boris Ulanowicz, a results-driven Web and Email Developer who builds scalable HTML assets and automates marketing workflows to reach millions of users weekly. I specialize in creating maintainable components, implementing analytics and attribution pipelines, and delivering high-volume campaigns with speed and accuracy. I’m known for proactive collaboration with stakeholders, strong problem-solving, and a reputation for delivering high-quality work in fast-paced, global environments. I enjoy collaborating on innovation initiatives, internal tooling, QA, and cross-functional technical support to keep campaigns efficient and effective.

Boris Ulanowicz

Web Developer, Full Stack Developer, Front-End Developer, +2

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I am Boris Ulanowicz, a results-driven Web and Email Developer who builds scalable HTML assets and automates marketing workflows to reach millions of users weekly. I specialize in creating maintainable components, implementing analytics and attribution pipelines, and delivering high-volume campaigns with speed and accuracy. I’m known for proactive collaboration with stakeholders, strong problem-solving, and a reputation for delivering high-quality work in fast-paced, global environments. I enjoy collaborating on innovation initiatives, internal tooling, QA, and cross-functional technical support to keep campaigns efficient and effective.…I am Boris Ulanowicz, a results-driven Web and Email Developer who builds scalable HTML assets and automates marketing workflows to reach millions of users weekly. I specialize in creating maintainable components, implementing analytics and attribution pipelines, and delivering high-volume campaigns with speed and accuracy. I’m known for proactive collaboration with stakeholders, strong problem-solving, and a reputation for delivering high-quality work in fast-paced, global environments. I enjoy collaborating on innovation initiatives, internal tooling, QA, and cross-functional technical support to keep campaigns efficient and effective.

Available to hire

I am Boris Ulanowicz, a results-driven Web and Email Developer who builds scalable HTML assets and automates marketing workflows to reach millions of users weekly. I specialize in creating maintainable components, implementing analytics and attribution pipelines, and delivering high-volume campaigns with speed and accuracy.

I’m known for proactive collaboration with stakeholders, strong problem-solving, and a reputation for delivering high-quality work in fast-paced, global environments. I enjoy collaborating on innovation initiatives, internal tooling, QA, and cross-functional technical support to keep campaigns efficient and effective.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

MongoDB

Intermediate

Language

English

Fluent

Work Experience

Software Engineer, Marketing Platforms at Rakuten Kobo

January 1, 2021 - January 1, 2026

Built and maintained high-volume marketing emails and website HTML using templates and custom code, ensuring consistency, performance, and reuse across global campaigns. Automated weekly deal emails in Responsys, saving significant manual work for nearly 50 million emails per year across 20 countries. Designed and implemented server-side attribution pipelines in Google Tag Manager to track millions of impressions and hundreds of thousands in quarterly ad spend for Reddit campaigns. Reduced banner production time by about one-third through internal automation across C#, Avalonia, Electron, and Retool environments. Co-owned GTM containers, implementing client-side and server-side tracking, pixels, and analytics integrations. Maintained 98-100% delivery accuracy year over year through QA, automation tooling, and proactive issue prevention. Accelerated cycle times to four days for triggered emails, two days for landing pages, and 15 minutes for automated banners by removing bottlenecks. Ev