SFMC Developer

As CRM Sr. Manager, Architect & Journeys Developer, you will be the technical engine behind our clients' lifecycle programs. You will turn CRM strategy into working CRM solutions: blueprinted data models, automated journeys, and personalized campaigns that drive retention and customer lifetime value. This is a hands-on, senior build role. You will architect and develop journeys in Journey Builder and Automation Studio, write AMPscript and SQL, and design the data structures that power personalization at scale. If you have experience translating customer journey maps into clean, scalable, well-documented SFMC builds, this role offers a platform to shape how our agency delivers CRM for B2B and B2C clients. What You Will Do • Blueprint CRM Solutions: Translate customer journey maps and lifecycle strategies into technical SFMC blueprints, including data flows, entry sources, decision logic, and channel orchestration. • Architect Marketing Cloud Data Models: Design and maintain data extensions, relational data models, sendable and non-sendable structures, and Contact Builder attribute groups that support segmentation and personalization at scale. • Build and Optimize Journeys: Develop multi-step, multi-channel journeys in Journey Builder (email, SMS, push, advertising audiences), using decision splits, engagement splits, wait logic, and goals to drive measurable outcomes. • Automate Data and Campaign Operations: Build Automation Studio workflows for data imports, SQL query activities, filters, file transfers, and scheduled sends; monitor automations and resolve failures quickly. • Develop Personalized Campaigns: Code dynamic, responsive email and landing page templates with HTML, CSS, AMPscript, and SSJS; build reusable Content Builder templates, content blocks, and modular design systems. • Integrate Platforms and Data: Configure and support integrations using SFMC REST and SOAP APIs, Marketing Cloud Connect (Sales/Service Cloud), and third-party systems such as CDPs, e-commerce platforms, and analytics tools. • Ensure Quality and Governance: Own QA, testing, and deployment standards for journeys and campaigns; document builds, naming conventions, and data dictionaries; uphold deliverability, consent, and privacy requirements (CAN-SPAM, GDPR, CCPA). • Lead and Advise: Serve as the SFMC technical SME for client and internal teams, mentor junior developers, scope and estimate builds, and support pitches with solution architecture recommendations. • Measure and Improve: Set up tracking and reporting for journey performance, partner with analytics teams on A/B tests, and iterate builds to lift engagement, conversion, and retention. Qualifications • Experience: 5+ years of hands-on development in Salesforce Marketing Cloud and/or HubSpot, ideally within a digital agency, consultancy, or enterprise CRM team. SFMC certifications preferred. • Journey Builder & Automation Studio: Deep expertise building, troubleshooting, and optimizing complex journeys and automations in production environments. • AMPscript & SSJS: Strong scripting skills for dynamic content, personalization, lookups, and data manipulation inside emails, CloudPages, and landing pages. • SQL: Advanced SQL for segmentation, data transformation, and query activities across large, relational data extensions. • HTML & CSS: Expert in responsive, cross-client email and landing page development, including accessibility and rendering best practices. • Data Models & Structures: Proven ability to design SFMC data architecture, including data extensions, Contact Builder, data relationships, and subscriber management. • APIs & Integrations: Working experience with SFMC REST and SOAP APIs, Marketing Cloud Connect, and integrating external data sources. • Templates & Content: Strong understanding of Salesforce templates, Content Builder, and modular, reusable content frameworks. • Communication: Able to explain technical solutions clearly to non-technical stakeholders and translate business requirements into technical specs. • Education: Bachelor's degree in Computer Science, Information Systems, Marketing, or equivalent practical experience. • Leadership: Experience leading a small team of developers or managing offshore/partner development resources. Additional Information Join Jellyfish and experience a workplace where we prioritize your growth, celebrate your contributions, and empower you to tailor your work environment to suit your needs Reward: You'll be eligible to join our discretionary annual bonus scheme and 401k retirement plan. Healthcare plans: Have peace of mind with our healthcare, vision and dental insurance, plus short and long-term disability and life cover. 💫 Custom Work Environment: Work remotely for up to 60% of your days and shape your day between 8am. and 6:30pm with flexible working hours. 👪 Family Support: Enjoy 14 weeks of paid leave for primary caregivers and 4 weeks of paid leave for secondary caregivers.