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Hi, I'm Ranno Preiss, a full stack developer blending frontend excellence with robust backend systems. I specialize in React, Next.js, TypeScript, and .NET, and I love creating high-performance, accessible experiences that scale across multi-source data integrations. I excel at leading cross-functional teams, aligning UX details with engineering efficiency, and driving continuous improvement from concept to production.…Hi, I'm Ranno Preiss, a full stack developer blending frontend excellence with robust backend systems. I specialize in React, Next.js, TypeScript, and .NET, and I love creating high-performance, accessible experiences that scale across multi-source data integrations. I excel at leading cross-functional teams, aligning UX details with engineering efficiency, and driving continuous improvement from concept to production.

Ranno Preiss

Full Stack Developer, Web Developer, Front-End Developer, +3

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Hi, I'm Ranno Preiss, a full stack developer blending frontend excellence with robust backend systems. I specialize in React, Next.js, TypeScript, and .NET, and I love creating high-performance, accessible experiences that scale across multi-source data integrations. I excel at leading cross-functional teams, aligning UX details with engineering efficiency, and driving continuous improvement from concept to production.…Hi, I'm Ranno Preiss, a full stack developer blending frontend excellence with robust backend systems. I specialize in React, Next.js, TypeScript, and .NET, and I love creating high-performance, accessible experiences that scale across multi-source data integrations. I excel at leading cross-functional teams, aligning UX details with engineering efficiency, and driving continuous improvement from concept to production.

Available to hire

Hi, I’m Ranno Preiss, a full stack developer blending frontend excellence with robust backend systems. I specialize in React, Next.js, TypeScript, and .NET, and I love creating high-performance, accessible experiences that scale across multi-source data integrations.

I excel at leading cross-functional teams, aligning UX details with engineering efficiency, and driving continuous improvement from concept to production.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Estonian

Fluent

English

Fluent

Work Experience

Next.js Developer (TypeScript) at Scandiweb

July 1, 2021 - Present

Remote role implementing custom APIs, constructing user interfaces, architecting branching and release workflows, addressing client feature requests, integrating third-party providers, and maintaining code quality across the project.

QA Engineer at Scandiweb

March 1, 2021 - July 1, 2021

Created tickets with testing plans for improvements and business requests; ensured quality of shipped code; led testing plan creation and execution for Magento upgrades 2.3 to 2.4.2; analyzed performance and security threats.

Courier at Ziticity

June 1, 2020 - February 1, 2021

Partner in ensuring a quality package delivery service.

Movie Lighting Technician/Gaffer at Freelance

March 1, 2019 - Present

Produce, rig, build and operate lighting systems used on film sets; DMX operator.

Remote Full Stack Developer / Team Lead at Scandiweb

July 1, 2021 - Present

Progressed from Next.js to Full Stack and Team Lead while maintaining hands-on development. Improved Core Web Vitals by 80% (INP 700–1200 ms to <200 ms) through profiling and rendering optimization. Cut infrastructure costs by 60% through caching, efficient serverless/edge functions and hybrid rendering. Led a cross-functional team of 4 developers; set standards for performance and accessibility; advised stakeholders and coordinated external agencies to ensure seamless integration. Built and integrated APIs in Node.js and .NET for service layer; contributed to open-source Next.js discussions.

Quality Engineer at Champion

March 1, 2020 - July 1, 2021

Ensured website consistency and quality for Champion, Hanes, Playtex, Just My Size, Wonderbra and Maidenform through manual and automated testing. Conducted weekly site checks for UX and presentation improvements; collaborated with developers to refine features and resolve edge cases; led zero-regression production releases and supported a major Magento upgrade.

Remote Next.js Developer | .NET Developer | Team Lead at Scandiweb

July 1, 2021 - Present

Progressed from Next.js to Full Stack and Team Lead while maintaining hands-on development. Core achievements include: improved Core Web Vitals by 80%, reducing INP from 700–1200ms to under 200ms through profiling and browser rendering optimization; cut infrastructure costs by 60% by optimizing Vercel usage, caching, and a hybrid serverless/edge architecture; built and implemented APIs for seamless integrations in Node.js and .NET; led a cross-functional team of 4 developers delivering high-performing eCommerce solutions; migrated and redesigned a legacy multi-locale site to Next.js, significantly boosting UX and enabling rapid CI; contributed to open-source discussions, bug reports and documentation improvements; guided long-term technical direction and stakeholder alignment.

Quality Engineer at Champion

March 1, 2021 - July 1, 2021

Ensured website consistency and QA quality for Champion's brand sites including Champion, Hanes, Playtex, Just My Size, Wonderbra and Maidenform through manual and automated testing. Conducted weekly site-wide checks for UX improvements, and presented findings to product owners and developers to prevent potential issues. Collaborated with developers to refine features and resolve edge cases with zero-regression production releases; led testing efforts for major Magento upgrades.