Jeff Manful

About

Highly accomplished Design Engineer specializing in interface systems, interaction logic, and production-grade implementation, with a proven track record of translating product intent into scalable UI systems. As a founder and lead engineer, I leverage a unique blend of design, system architecture, and coding expertise to deliver high-impact, user-centric software solutions across diverse industries, from financial technology to creative platforms.

Work

Cursive Studios
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Design Engineer / Founder

London, England, UK

Summary

Founded and led a design-led studio specializing in interface systems and production-grade UI engineering, translating product intent into scalable UI systems.

Highlights

Designed and implemented scalable interface systems and component libraries, significantly enhancing UI consistency and development efficiency across multiple products.

Owned interaction design, UI architecture, and implementation across diverse products, ensuring cohesive and high-fidelity user experiences.

Collaborated closely with product, design, and stakeholders to iteratively evolve products, driving continuous improvement and strategic alignment.

Secured and managed long-term engagements with key clients including COLORSxSTUDIOS, Spaces, Surfboard, 9Fin, and Trim-it, delivering bespoke design engineering solutions.

Credit Kudos
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Design-Focused Software Engineer

London, England, UK

Summary

Contributed as an early engineer to the design and build of customer-facing financial products during a high-growth phase, focusing on complex UI states and user experience.

Highlights

Designed and implemented complex dashboard interfaces and UI states for core financial web applications, significantly enhancing user experience and data visualization.

Collaborated closely with product and design teams to iterate on user flows, interaction patterns, and layout systems, optimizing usability and responsiveness.

Converted intricate design concepts and user feedback into production-ready components and features, accelerating development cycles.

Contributed to internal UI consistency through the development of shared components and patterns, improving maintainability and scalability across the platform.

Mentored junior engineers on frontend quality, maintainability, and design fidelity, fostering team growth and upholding best practices.

Elan Capital Management LLP
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Design-Minded Frontend Engineer

London, England, UK

Summary

Led frontend development for internal tools supporting trading and operations teams, focusing on clarity, speed, and error reduction through design-minded engineering.

Highlights

Led frontend development initiatives for critical internal tools, enhancing efficiency and user experience for trading and operations teams.

Designed and built data-dense dashboards focused on clarity, speed, and error reduction, optimizing decision-making processes.

Created reusable React components to standardize UI patterns across internal tools, significantly boosting consistency and development velocity.

Labstep
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Frontend Engineer

London, England, UK

Summary

Implemented reusable React components and refined interface behavior through collaboration with design and product teams.

Highlights

Implemented reusable React components aligned with detailed design specifications, ensuring high-quality and consistent user interfaces.

Built and rigorously tested UI components and key user journeys, contributing to robust and intuitive user experiences.

Collaborated effectively with design and product teams to refine interface behavior, optimizing user interaction and functionality.

Jolly Learning
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Software Developer

London, England, UK

Summary

Developed and released the Jolly Songs mobile app and led a full redesign of the company website, contributing to significant user engagement and operational improvements.

Highlights

Developed and successfully launched the Jolly Songs mobile app across Apple, Google, and Amazon app stores, achieving over 20,000 downloads and securing a permanent role.

Led a comprehensive redesign and implementation of the company website, enhancing user experience and brand presence.

Supported internal systems and technical operations, ensuring smooth business continuity and optimal performance.

Education

City, University of London
London, England, UK

BSc Hons

Computer Science and Games Technology

Palmers College
London, England, UK

A-level

Biology, Computing, Business Studies, PE

Skills

Design Engineering Focus

Interface Design, Interaction Design, Design Systems, Component Libraries, Design Tokens, High-Fidelity Prototyping, Production Workflows, Accessibility, Performance Optimization, Visual Consistency, Product Design Collaboration, Stakeholder Collaboration.

Programming Languages

TypeScript, Node.js.

Design & Prototyping Tools

Figma, Framer, Motion, GSAP.

Frontend & UI Systems

React, React Native, Next.js, Tailwind CSS, Component Architecture.

Backend Development & Platforms

Node.js, Supabase (Postgres, Auth, RLS), REST APIs, GraphQL APIs.

Content Management Systems

Sanity CMS, Payload, WordPress.

Development & Deployment Tools

Vercel, Git-based Workflows, Design-Engineering Collaboration Tools.