CRM Developer

Massive Rocket | Data & CRM Consultancy

CRM Developer at Massive Rocket focusing on rebuilding email templates and supporting platform migration. Collaborate across teams to ensure high-quality communications in regulated environments.

Posted 6/15/2026full-timeRemote • 🇬🇧 United KingdomMid-LevelSeniorWebsite

About the role

Key responsibilities & impact

Build and rebuild email templates and reusable components in Braze using HTML, CSS, Liquid, Content Blocks, and Connected Content
Develop scalable, modular template frameworks to support consistent and efficient campaign delivery
Implement dynamic content and personalisation using structured data inputs from multiple sources
Conduct thorough QA, rendering validation, and cross-environment testing to minimise defects
Troubleshoot template, data, and rendering issues to ensure stable production releases
Collaborate with marketing, engineering, and data teams to align migration requirements and dependencies
Support documentation of template systems, reusable components, and implementation best practices
Contribute to clean release cycles within enterprise delivery environments

Requirements

What you’ll need

3–5+ years of experience in CRM development, email development, or marketing technology implementation
Strong hands-on experience with Braze (essential), building production-ready email assets
Advanced HTML and CSS skills, including responsive and modular email template design
Proven experience supporting CRM platform migrations (asset rebuilds and/or data integration considerations)
Strong attention to detail with a quality-first mindset and structured QA approach
Comfortable working in regulated enterprise environments; financial services or insurance experience is advantageous
Ability to work to tight timelines while maintaining high code quality
Strong collaboration skills across cross-functional technical and marketing teams
English proficiency at C1 level

Benefits

Comp & perks

Rocket‑Fuelled Growth – Big challenges, fast learning, and the chance to level up quicker than anywhere else
A Culture That Actually Gives a Damn – Supportive, positive, and built around people who want to see you win
A Global Crew – Collaborate with brilliant teammates across Europe, the US, and beyond
Remote‑First for Life – Work from wherever you feel your best
Real Career Momentum – Clear progression, real ownership, and space to grow into your next chapter
Moments That Matter – Meetups, events, and team experiences that make the journey unforgettable

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

HTMLCSSLiquidContent BlocksConnected ContentCRM developmentemail developmenttemplate frameworksdynamic contentQA

Soft Skills

attention to detailquality-first mindsetstructured QA approachcollaboration skillsability to work to tight timelines