Sylwester M.

Front End Developer

540 dollar

Mon expérience

Self-employedSeptember 2009 - Présent

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WORKWORK.FUNNovember 2019 - Présent

Digital Creative and Full Stack Production Solutions.

SchawkApril 2018 - March 2020

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McCann HealthJanuary 2018 - February 2018

I’ve developed two promotional websites for GSK account. I’ve implemented JavaScript data capture export feature into existing MERCK mobile iOS product. I have transferred Front-end JavaScript Node.js presentation framework to Docker ecosystem based on Debian image, also built prototype of 3D game with WebGL/Canvas Three.js and Autodesk Maya 3D assets ie .FBX.
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TrainlineNovember 2017 - December 2017

HTML 5 and vanilla JavaScript Front-end developer working on DoubleClick Studio (Dynamic Content) echo ads with floodlight variables. I have also designed and produced various multimedia ad assets. I've been involved in new Trainline global rebranding ad campaign.
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MRM MeteoriteSeptember 2013 - November 2017

(2013-2017 various months)

Working on multiple online campaigns for Microsoft (Windows 10, Xbox, Surface) and Vauxhall.
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DewyntersOctober 2017 - October 2017

HTML5 Developer, working on company website entry page incorporated into existing Wordpress CMS (Codex) and MySQL Database. Used Technology: HTML5, vanilla JavaScript, Pixi.js, Greensock (GSAP), Zepto.js, GIT.

MOI GlobalSeptember 2017 - September 2017

Voir plus LtdJuly 2009 - September 2016

Freelance consultancy provided to several dozens of small and big ad agencies based in London, UK ie Tag WorldWide, VCCP, Ogilvy Redworks, BluHive, Wunderman, RKCR, Pixelgroup, BBH, Havasmedia, Addictivepixel, Inferno, Acknowledgement, and more.
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Williams Lea TagJanuary 2011 - May 2015

Involved in multiple online campaigns production for DHL, Jaguar, Microsoft, HP, The Sun, H&M, COTY, BASF, Inmarsat and many more.
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Tag WorldWideJanuary 2011 - January 2015

(2011-2015 various months)
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VCCPJune 2011 - December 2014

During nearly 3 years I have created design and scripted animation for multiple O2 UK online ad campaigns like "Thinking of You", "Be more dog" also working on other VCCP key accounts: ASDA, Macmillan Cancer Support.

Ogilvy RedworksJanuary 2014 - January 2014

Dennis PublishingJanuary 2013 - January 2013

RKCR/Y&RJanuary 2013 - January 2013

Havas MediaJanuary 2013 - January 2013

eg+ worldwideJanuary 2013 - January 2013

Blue HiveJanuary 2011 - January 2013

BBHJanuary 2012 - January 2012

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WundermanJuly 2009 - April 2011

Leading the design of global websites and online media for a range of high profile clients including Nokia, Ford, Land Rover and many more.

- Initially appointed for Nokia account and responsible for creating the UK and global digital brand guidelines and signing off various creative associated agencies.

- Lead interactive designer on most difficult Wunderman projects where interactive design means development and creativity in one.
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EMEDIA s.c.March 2000 - January 2011

It was my first real creative job for a pioneer interactive agency called EMEDIA and my real starting point - a step into interactive world of big interactive agencies. I made there a lot of microsites for very little brands and clients. I was involved in near a hundred projects from initial concepts, through layouts to web developments (DHTML, CSS, server side PHP + MySQL).

FCB InfernoJanuary 2011 - January 2011

Momentum WorldwideJanuary 2009 - January 2009

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ViacomApril 2006 - August 2008

I moved to London in March 2006 - the capital of the UK and any sort of international business as well. After several fruity freelance works (in collaboration with ECOM) for Spinnaker Direct, Glue London finally I've found the agency which was really strong bound with music industry. MTV Networks Europe. There I was working for Multimedia International Department/Creative Services - Digital with amazing group of talented professionals. I was leading in my design team as Senior Designer. We were created on line and off line multimedia for MTV and bounded brands like Blaupunkt, Adidas, SONY, Gillete, Swatch, Ford, Paramount, Universal and much more.

Greenroom DigitalJanuary 2008 - January 2008

G2January 2008 - January 2008

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Arc WorldwideJanuary 2005 - March 2006

Appointed to work with creative team in one of the most famous and largest advertising agencies. Among our clients there was: Philip Morris, FIAT, Diageo, ERA, Bank PKO SA, LG Electronics. From January 2005 to March 2006 I have been a senior webdesigner. I have been in charge of Fiat Poland portal, Philip Morris websites (L&M portal, microsites for Marlboro (Marlboro Red Racing School)). I also prepared ideas and advertising forms for pitches and on-line campaigns. My projects were ranged from marketing driven microsites to engaging e-learning applications and CD-ROMs. I was also involved in-depth work with projects of other agencies of Publicis Groupe such as PZL (PZL agency website), PR180 (Lockheed Martin, F-16 website).

GlueJanuary 2006 - January 2006

Spinnaker DirectJanuary 2006 - January 2006

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K2 Internet S.A.October 2002 - January 2005

As a part of large K2 creative team I worked with a range of various projects for customers such as NOKIA (from elements of NOKIA portal and campaign adds to microsites and CDs for a wide range of models: 7200, 7600, 7610, 6810), Volvo (CDs and websites for V50, S40, XC90), PSA Group (microsites for Peugeot 307, 407), IKEA (website), and many minors projects for Molex PN, Novell, Microsoft, Ford, DHL, Coca-Cola, Philips. As a webdesigner I prepared layouts, built and developed Flash forms (including Action Script programming). As a multimedia developer I prepared and created movies for interactive use, developed different standalone executable tools (menu and contents editor) based on Flash (using Flash Studio Pro/Zinc). I also composed music, loops and sounds for all interactive productions by K2.
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Ogilvy & MatherJanuary 2001 - September 2002

Initially appointed to web developer position in Ogilvy Interactive I was soon transferred to creative tasks from the initial briefings to complete forms such a pitch layouts, campaign forms (banners, skyscrapers, top layers), micro and large websites and finally off-line CD presentations. After a couple of months I was smoothly (without changing clients and a place of work) transferred into Concept AG where I was promoted to a creative director. I worked for: Ford, IBM, Amex, Panasonic, KFC, GSK, GE Capital Bank and Leaf.

Concept!January 2001 - January 2002

Mes compétences

Analysis methods and tools

Scrum, Agile

Web Analysis and Statistic

DoubleClick, Google Analytics

Environment of Development





Adobe Photoshop, Dreamweaver, Premiere, After Effects


JavaScript, ActionScript, HTML5, CSS3, Python, DOM


3D Blender, Axure, Illustrator, Figma, Sketch, InVision


Android SDK, NativeScript, Android, PhoneGap


Three.js, Vue.js, Velocity.js, HTML5 Canvas, Socket.IO, WebGL, Pixi.js, CRM, AWS, Balsamiq, Flask, Greensock, GSAP

IT Infrastructure

Unix, Docker, iOS, Git, Google Cloud Platform (GCP)


Bootstrap, CreateJS, Node.js, Django


SQLite, MySQL, MongoDB

Mes études et formations

JavaScript - TestDome2020 - 2023

Vue.js - TestDome2020 - 2023

Google Developer Program user - Google2013 -

iOS Development - Apple2014 - 2020

UAV certificated and PFAW - CAA UK2015 - 2015

Remote Pilot Qualification, SUA / SUSA platforms, Pilot - Resource Group2014 - 2014

Qualified UAS pilot, RPQ-s, Operations Manual - Resource Group UAS RPQ-s2014 - 2014