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James Turner

@jamesvturner95

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Senior Frontend Engineer and Full Stack Developer focused on performance.

United States

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What I'm looking for

I seek a role where I can drive performance and UX improvements with modern web and mobile stacks, work in Agile teams, and take ownership of end-to-end features that scale.

I am a Senior Frontend Engineer and Full Stack Developer with over eight years building full-stack applications that prioritize performance and user experience.

I have a proven record reducing application latency by 25% and increasing usability scores by 30% through pragmatic engineering, mobile-first architectures, and REST API integrations that supported 100K+ monthly users.

I collaborate effectively within Agile, remote teams, deliver on-time sprints, and apply modern frontend and backend technologies to drive measurable adoption and product quality improvements.

Experience

Work history, roles, and key accomplishments

Senior Frontend Engineer

ApplyBoard

Oct 2023 - Dec 2025 (2 years 2 months)

Engineered full-stack features using TypeScript, React, and Node.js for 100K+ monthly users, reducing application latency by 25% and improving usability scores by 30% through mobile-first architectures.

TypeScript JavaScript React Node.Js REST APIs React Native Responsive Design Agile NodeJS

Full Stack Developer

SAP America, Inc

Feb 2017 - Oct 2022 (5 years 8 months)

Developed a Customer Integration Ecosystem with PHP/Laravel and REST APIs, improving backend response times by 30% and increasing mobile adoption by 35% through responsive interfaces.

PHP Laravel JavaScript REST APIs WordPress HTML5 CSS3 MySQL Git

Junior Web Developer

Freelancer

Jan 2015 - Jan 2017 (2 years)

Delivered 15+ client web projects, increasing client traffic by ~32% and user satisfaction by 25% through modern design patterns and on-time delivery.