
Mustafa Jung
Senior Email Developer | CRM & Marketing Automation
Salary / Daily rate
London, UK
Freelance, open to permanent contract
Skills
Languages
About me
Intro
CRM Developer & Email Engineer with 9+ years specializing in marketing automation across Salesforce Marketing Cloud and Braze. Delivered 800+ campaigns at Reed.co.uk, built dynamic templates using LIQUID/AMPScript, and created pixel-perfect responsive emails for Sony Interactive Entertainment. Expert in translating designs into conversion-optimized email campaigns with proven engagement results.
Work experience
Salesforce Email Engineer
Sony Interactive Entertainment
Nov 2024 - Mar 2025
5 months
Greater London
Created backups of lifecycle email templates from a custom platform and stored them in GitHub for version control and safekeeping. Updated and added new content to email campaigns within the custom platform and deployed them through Salesforce Marketing Cloud. Ensured content accuracy by verifying correct copy using localised documents (locales and languages), checking dynamic content via data extensions, and validating fully functional URLs through customer journey testing. Supported the team by independently managing assigned tasks using Wrike, ensuring timely delivery and project visibility. Performed QA using email rendering tools, identified rendering and functional issues, and provided effective troubleshooting solutions. Built a custom code module with background image functionality to support Moveable Ink assets. Translated Figma design files into responsive email templates and CRM assets, exporting design assets and ensuring pixel-perfect implementation from design handoff to QA and final build.
CRM Developer & Email Engineer
TotallyMoney
Jan 2021 - Jul 2024
3 years 7 months
London, UK
Developed and maintained up-to-date, responsive HTML email templates using conditional statements (LIQUID), ensuring compatibility with major email clients, dark mode, and mobile devices, while adhering to best practices. Collaborated with design and content teams to create engaging and optimised email communications aligned with marketing targets. Created modular, editable templates and content blocks, enabling teams to quickly duplicate and adapt campaigns for evolving needs. Implemented deep linking to direct users to specific app locations from emails, ensuring accurate journey paths. Proposed new directions, concepts, and solutions for campaigns, templates, and dynamic blocks, contributing to a cohesive brand identity and visual standards. Engaged cross-functional stakeholders throughout the design process, demonstrating empathy for user behaviours, needs, and goals. Enhanced the end-to-end email design and build workflow, proactively troubleshooting issues and providing solutions. Used Looker, Snowflake, and ThoughtSpot to manage and analyse data relating to campaign performance across email, push and app channels. Conducted pre and post-campaign analysis to assess engagement and conversion rates, including breakdowns of app users versus non-app users. Monitored campaign performance and tracking effectiveness, including open and click-through rates, tracking URL performance, total and channel-specific engagement across email, push, web, and app. Built dynamic templates by combining LIQUID logic with customer attributes. Created complex templates that include numerous variables in conditional statements. Developed dynamic content blocks, tailored to customer attributes. Translated Figma design files into email templates and CRM assets, collaborating with teams to maintain brand consistency. Oversaw the full workflow from design specifications to asset export, coding, QA testing, and delivery of final production-ready files.
Technical CRM Specialist & Email Developer
Reed.co.uk
Jan 2023 - Jul 2023
7 months
Greater London
Developed and optimised email campaigns on Braze, creating compliant, responsive HTML emails in line with best practices. Developed and managed content blocks, incorporated personalised data in templates, and optimised subject lines for engagement. Updated and verified accuracy of customer journeys in Braze Canvas, including banners for web and landing pages, ensuring timely and error-free messaging. Collaborated with cross-functional teams to deliver and enhance emails, content blocks and journey touchpoints. Checked copy, links and functionality to maintain high email quality standards. Supported multi-channel campaigns to drive engagement and customer satisfaction.
Reed.co.uk
Aug 2021 - Jan 2022
6 months
London, UK
Technical CRM Specialist & Email Developer
Aug 2021 - Jan 2022
6 months
London, UK
Developed and optimised email campaigns on Braze, creating compliant, responsive HTML emails in line with best practices. Developed and managed content blocks, incorporated personalised data in templates, and optimised subject lines for engagement. Updated and verified accuracy of customer journeys in Braze Canvas, including banners for web and landing pages, ensuring timely and error-free messaging. Collaborated with cross-functional teams to deliver and enhance emails, content blocks and journey touchpoints. Checked copy, links and functionality to maintain high email quality standards. Supported multi-channel campaigns to drive engagement and customer satisfaction.
Braze Email Developer
Aug 2021 - Aug 2021
1 month
Greater London
Jobseekers department Supported REED Online by covering for colleagues when they were on A/L and ensured the workload was completed. Created compliant and consistent HTML emails to support our Sales, Product and Marketing departments, while adhering to email best practices for Braze, including Liquid Script.
Marketing Automation & Email Developer
Reed.co.uk
Feb 2019 - Dec 2020
1 year 11 months
London, UK
Created compliant and consistent HTML emails to support our Sales, Product and Marketing departments, while adhering to email best practices for Salesforce Marketing Cloud & Braze, including Scripting (AMPScript & Liquid). Developed and executed email marketing campaigns to drive customer engagement. Message tested / A/B tested on email campaigns to improve the open and click‑through rates, as well as preparing for tests that run on email campaigns to get better results. Worked closely with the teams to deliver and optimise our emails, content blocks, landing pages and other campaigns. Managed a portfolio of images and content for the CRM to use in emails and other comms in Salesforce Marketing Cloud. Developed and redesigning email master and other standard templates for REED's branding. Owned and was responsible for one of our key communication channels and the main touchpoint in our customer’s experience of our service. Managed to develop and execute 25 campaigns in one day, including creating email templates, linking to segment groups, crafting content (subject lines & preheaders), and optimizing the best send time. Completed over 800 cases on JIRA, which resulted in over 1,000 tasks including email templates, redesigns, landing pages, content blocks, campaign automations.
UI/UX Designer & Front-End Developer (Email & Web)
GlobalData Plc
Aug 2016 - Mar 2019
2 years 8 months
London, UK
A creative to oversee usability and appearance of our portfolio of business intelligence products, visual design of new website development and any new features developed. A team player who will work closely with the technical teams and web product owners to lead the development of creative ideas across digital channels. An organised self-starter who will proactively drive their programme of work. Designing and developing user interface solutions for websites and web applications. • Wireframe of new developments. • Collaborate with marketing, senior management, designers and technical teams. • Update and management of our current portfolio. Experience in UI web technologies: HTML, CSS, Javascript, frameworks such as Jquery, Bootstrap and Wordpress. • Package knowledge Photoshop, Illustrator, Powerpoint and Dreamweaver • Expertise in UI/UX best practices. • Experience with responsive webpages for mobile, tablet and desktop. • Experience with fluid grid systems and front-end frameworks. • Personal interest in staying up-to- date on the latest trends, including agile methodology and emerging best practices. • HTML coding and testing of bespoke emails to support our CRM function (desktop and mobile responsive). • Building mobile-compatible HTML email layouts for campaigns. • Building emails/ HTML page layouts for website from Photoshop files.
Junior Web Developer
Gardners Books
Apr 2015 - Dec 2015
9 months
Eastbourne, UK
Created new sites and performed maintenance and enhancement of existing platforms such as CMS and number of storefronts, responsive email template and webpages. Updated existing design on Mobile App.
Photographer
Glitterish Allsorts Beauty & Lifestyle Blog
Jan 2012 - Dec 2014
3 years
Abu Dhabi - United Arab Emirates
Photography at live event for a lifestyle blog in Abu Dhabi including the opening of Hackett, a Nars cosmetics product launch, Mulberry store opening, Swarovski product launch and debut of Bentley handbags.
Web Designer/Developer
NTD
Jan 2010 - Dec 2011
2 years
Summer 2010 - Autumn 2011 Created and updated websites, Search Engine Optimize, Dreamweaver and Photoshop.
Education
University of Kent
Master's degree, Digital Arts
2011 - 2012
2 years
University of Sussex
Bachelor's Degree, Computer Science
2008 - 2011
4 years
Brighton MET
Associate's Degree, Computer Science
2005 - 2007
3 years
Ovingdean Hall School
High School, 9 GCSEs
1999 - 2005
7 years
Licenses & certifications
JavaScript Basics
Issued: Sep 2024
15 Days of SQL: The Complete SQL Masterclass 2024
Issued: May 2024