Stanislav Cmakal

スタニスラヴ チュマカル

Stanislav Cmakal interface developerスタニスラヴ チュマカルインタフェース デベロッパー

About Me

I am a front-end developer with over 17 years of experience delivering medium and large scale projects while working directly with the client and/or part of a larger team. Throughout my professional career I have worked on wide range of projects ranging from financial products, mobile apps prototyping to e-commerce re-platforming and MVT.

Currently living in East Sussex, Lewes. I have lived and worked in London and Tokyo.

I am open to new opportunities! Please contact me via LinkedIn.


Head of Engineering Mezzo Labs

01/2023 – present

As the Head of Engineering, my responsibility is to oversee the technical build and quality testing of optimisation campaigns. I act as the Subject Matter Expert (SME) for technical aspects of CRO and optimisation, integrate different marketing technology platforms, and provide consultation on marketing technology solutions. Additionally, my role involves building an in-house proprietary tools.

  • The tools used are ES6, NodeJS, MongoDB, CI/CD, AWS, Azure, Serverless, Sass, GraphQL, Jest, React, Redux and TypeScript.

Senior Frontend Developer @ Zero FX Labs

10/2022 – 12/2022

At ZeroFX my job was do work as React and Blockchain/Web3 developer along an exceptionally skilled team of back-end developer.

  • The tools used ES6, Sass, GraphQL, Jest, React, Redux, TypeScript, Tezos blockchain.

Lead Front-end Developer Uplifter ltd.

05/2020 – 06/2022

Uplifter web app is a campaign analytics platform, that improves campaign tracking and delivers real-time insights on campaign performance through machine learning.

My role involved making decisions on the direction of the tool, prioritising the delivery in line with the business objectives and delivering front-end code.

  • The tools used ES6, Sass, GraphQL, React, Redux and TypeScript.

Practice Consultant/Interface Developer Responsive Design ltd.

05/2011 – present
  • The Watermark Collection - sole front-end/back-end developer. The site is based on MODx CMF and uses RequireJS, Knockout, jQuery, HTML5, SCSS
  • ASOS - front-end developer. Using HTML, native JS, RequireJS, Knockout, Jasmine, jQuery, SCSS, Node, Grunt, MVT and A/B testing
  • Arup - front-end developer styling SharePoint based intranet, HTML + CSS and JavaScript (jQuery).
  • Visa - front-end developer and prototyper. Under NDA
  • Penkom

    - front-end and back-end developer and technical lead. Under NDA
  • Vodafone - front-end developer and prototyper. Under NDA
  • EMC Consulting

    - front-end developer and prototyper. Under NDA
  • The Grierson Trust - front-end and back-end developer for the site including the awards submission forms.
  • One World Media - front-end and back-end developer for the awards submission forms.

Web Consultant/Interface Developer EMC Consulting

London - 09/2009 - 09/2011

Mix of client facing consulting and development.

  • Next - prototyper and front-end lead
  • QBE - front-end developer, SharePoint 2010 templates
  • KNOWHOW - project lead and front-end developer, technical delivery
  • Barclaycard

    - front-end developer, templates and integration for SharePoint 2007 intranet site
  • BFI

    - project lead and front-end developer for film archive site
  • B&Q - integration and support running MVT
  • Currys - building interface and interaction prototypes
  • Dixons - building interface and interaction prototypes
  • PC World - building interface and interaction prototypes
  • See the difference

    - front-end developer, the site has been retired since
  • BBC - developing a front-end transcoding system that dynamically processed content of the pages making them more accessible for visually challenged users
  • Virgin Atlantic - front-end developer for the ticket booking journey

Senior Interface Developer Syzygy UK Ltd.

London - 06/2006 - 09/2009

I joined Syzygy UK in 2006. I was working in a team of five talented developers engineering front-end templates and integrating them with back-end code (mostly Java and .Net).

  • Sky Travel - the site has been retired since
  • Mazda (26 language markets) - Europe wide site for Mazda
  • Orange Decision Maker Forum - the site has been retired since
  • Essent Trading

    - the site has been retired since
  • Pringles Unsung

    - the site has been retired since
  • Citroen various microsites

    - the site has been retired since

Other projects

05/2005 – present

These have been created somehow on the side.


  • NodeJs, MongoDB, PostgreSQL, GraphQL
  • JavaScript - vanilla JS and ES6, React/Redux, Typescript
  • TDD - Jasmine, Enzyme, Jest
  • Google Analytics API
  • PHP (CodeIgniter, MODx CMF, cakePHP, SmartyTemplates)
  • Cross browser and cross platform compatibility
  • HTML(5) + CSS (SCSS)
  • Mobile web
  • Headless CMS and static site generators - Flotiq CMS, Gatsby, Netlify
  • CI/CD DigitalOcean
  • MVT, A/B testing, personalisation and optimisation
  • Axure, Macromedia Freehand, Adobe Photoshop, Adobe Illustrator, Adobe After Effects
  • Text editor of choice - VS Code


  • New technologies
  • The web
  • Bicycles mechanics and design
  • Japanese language
  • Cycling, running, hiking, bouldering – anything outdoor