Jose Espejo

Senior Frontend Developer | React & Vue

Salary / Daily rate

London, UK

Freelance, open to permanent contract

Can come onsite

Skills

ReactTypescriptVueJavascriptFrontend DevelopmentClean CodeHTMLNextReact NativeTest DesignLLMs / Large language modelsTailwind CSSIOSCSSReduxExpressSwiftObjective-CDesign SystemAnimationAdobe IllustratorScrumConfluenceJiraWeb DesignMotion DesignAdobe After EffectsFigmaUI Product DesignVisual IdentityGraphic DesignAI

Languages

EnglishSpanish

About me

Intro

Frontend developer with 4+ years in React/TypeScript/Vue and 15 years at leading digital agency. Built interactive applications for major brands like VW, Guinness, and Budweiser, plus developed iOS apps from concept to App Store. Specialized in modern frameworks, testing practices, and seamless legacy system migrations.

Links

Work experience

AI Training Contributor (Frontend Developer)

Outlier

Apr 2025 - Present

1 year 7 months

London, UK

Training a large language model by iteratively prompting it to build web apps, and assessing the relevance, accuracy, and quality of its responses. Applying front-end development expertise to guide outcomes, identify limitations, and evaluate technical feasibility. Working independently in a flexible, remote capacity that requires precision, clear communication, and sound judgment.

Layoff/position eliminated

Career Break

May 2023 - Present

3 years 6 months

London, UK

I have used this time to deepen my expertise in React and broaden my knowledge of the entire spectrum of technologies involved in software development. The current situation is far from ideal but I have used this time to better position myself for advancement within an industry that is always moving forward and frankly its hard to see how I would have done this otherwise. Key courses taken Udemy Next.js 14 & React - The Complete Guide Ultimate AWS Certified Cloud Practitioner CLF-C02 React Native - The Practical Guide [2024] Complete Angular Course 2024 Advanced React: Design System, Design Patterns, Performance Vue JS 3: Composition API Dart and Flutter: The Complete Developer's Guide React Testing with Jest and Enzyme Cypress: Web Automation Testing from Zero to Hero Motion Design with Figma: Animations, Motion Graphics, UX/UI GitHub Actions - The Complete Guide Frontend Masters C# and .NET Basics Build AI-Powered Apps with OpenAI and Node.js Electron, v3 Astro for Fast Website Development Reactivity with SolidJS Website Accessibility, v2 State Management with Redux & MobX Serverless with AWS Lambda Svelte Fundamentals

iOS Developer

SIMPLE PATTERN LIMITEDFreelance

May 2014 - Present

12 years 6 months

London, UK

I independently designed, developed, and published a native iOS app under my personal limited company, Simple Pattern. The app was originally built in Objective-C and later migrated to Swift to take advantage of modern language features and improved maintainability. I managed the entire development lifecycle—from designing the architecture and user interface to testing and deploying the app on the App Store—gaining end-to-end experience with Apple’s development ecosystem and submission process. I’m currently working on a major update using React Native to enable cross-platform support and streamline future development.

Frontend Developer

Tribal Worldwide London

Jan 2019 - May 2023

4 years 5 months

London, UK

During my time as a Frontend Developer at Tribal, I acquired proficiency in React and Vue, which were pivotal in my role, facilitating the smooth transition of our legacy web applications to modern frameworks, particularly React, and ensuring a seamless migration process. I successfully developed, and maintained multiple web applications for clients such as Volkswagen, SEAT and Skoda, consistently contributing to the codebase's documentation and collaborating with the team to introduce end-to-end testing practices, enhancing application reliability and user satisfaction. My tenure as a Developer at Tribal Worldwide not only expanded my technical skill set but also fostered a deep understanding of web development best practices, teamwork, and project management.

Interactive Designer

Tribal DDB

Oct 2007 - Dec 2018

11 years 3 months

London, UK

Over the span of more than a decade in the Creative Department at Tribal, I dedicated myself to crafting captivating Flash-based animations and interactive communications for clients including VW, Exxon, Guinness, Budweiser, and The Guardian. This journey provided me with a unique opportunity to evolve from a design-centric role to a more coding-oriented one. As the industry shifted towards HTML5 as the primary web codebase, I seamlessly translated my expertise in ActionScript to JavaScript, ensuring a smooth transition while continually delivering innovative solutions. At the same time, I ventured into the realm of video-based animations, mastering After Effects, and further enriching my skill set to offer comprehensive multimedia solutions. This dynamic experience not only underscored my adaptability but also showcased my commitment to staying at the forefront of digital design and development trends.

Freelance Designer

Digitas/Modem Media

Jan 2005 - Jan 2007

2 years 1 month

Skills: 2D Animation · Tech Savy · Marketing Campaigns · Design · Attention to Detail · Graphic Design Principles · English · Adobe Creative Suite · Adobe Illustrator

Digital Designer

Framfab/LBi

May 2006 - Oct 2006

6 months

Skills: 2D Animation · Tech Savy · Marketing Campaigns · Design · Attention to Detail · Graphic Design Principles · English · Adobe Creative Suite · Adobe Illustrator

Freelance Designer

Agency.com

May 2005 - Jul 2005

3 months

Skills: 2D Animation · Tech Savy · Marketing Campaigns · Design · Attention to Detail · Graphic Design Principles · English · Adobe Creative Suite · Adobe Illustrator

Freelance Flash Designer

Lean Mean Fighting Machine

Apr 2005 - May 2005

2 months

Skills: 2D Animation · Tech Savy · Marketing Campaigns · Design · Attention to Detail · Graphic Design Principles · English · Adobe Creative Suite · Adobe Illustrator

Freelance flash designer

Craik Jones Digital

Jan 2004 - Jan 2004

1 month

Skills: 2D Animation · Tech Savy · Marketing Campaigns · Design · Attention to Detail · Graphic Design Principles · English · Adobe Illustrator

Web Designer

Wax New Media

Apr 2000 - Aug 2001

1 year 5 months

Skills: 2D Animation · Tech Savy · Marketing Campaigns · Design · Attention to Detail · Graphic Design Principles · English · Adobe Illustrator

Junior Graphic Designer

2D Design

Jan 1999 - Jan 1999

1 month

Skills: Tech Savy · Marketing Campaigns · Design · Attention to Detail · Graphic Design · Graphic Design Principles · English · Adobe Illustrator


Education

Liverpool John Moores University

Bachelor of Arts (BA)

1994 - 1998

4 years 1 month

Alleyn's School

1987 - 1987

1 month

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