Marketing Cloud Developer

Life at Ness
At Ness, people come first. Here, you'll be part of a vibrant team that values curiosity, innovation, and growth. We work with industry-leading clients on projects that truly make an impact while supporting every team member in carving out their unique career path. With resources for learning, certifications, and hands-on experiences, Ness offers you more than just a job it’s a place where your ideas, ambition, and well-being matter.
The Role
We are looking for a Salesforce Marketing Cloud Developer to deliver Marketing Cloud solutions end to end for our clients: from requirements and solution design through build, integration, support and optimisation.
You will combine deep Marketing Cloud technical skills with a strong grasp of marketing automation, data management and digital marketing best practice. You will work closely with client marketing, CRM and data teams to build personalised data-driven journeys.
Key Responsibilities
Build, test and deploy multi-channel campaigns.
Design and build multi-step customer journeys in Journey Builder, including entr.y sources, decision splits and wait logic.
Develop dynamic, personalised emails, landing pages and CloudPages using AMPscript, SSJS and HTML/CSS.
Write and optimise SQL queries in Automation Studio for segmentation, data transformation and reporting.
Build and maintain automations, including file imports, data extracts, file transfers and scheduled query activities.
Configure Content Builder templates and reusable content blocks for marketing teams.
Design complex data models and segmentation strategies in Contact Builder: Data Extensions, attribute groups and relationships.
Configure and maintain Marketing Cloud Connect between Marketing Cloud and Sales or Service Cloud.
Build integrations with Salesforce and third-party systems using the Marketing Cloud REST and SOAP APIs, including triggered sends and transactional messaging.
Ensure data integrity, data quality, subscriber management and consent handling meet GDPR requirements.
Set up and manage deliverability: sender authentication (SPF, DKIM, DMARC), IP warming and bounce handling.
Test journeys and content across devices and email clients before release.
Analyse campaign performance and recommend improvements through A/B testing and reporting.
Troubleshoot failed sends, automations and data issues, and provide third-line support.
Train Support marketing teams to drive adoption and platform proficiency.
Create and maintain clear technical documentation.
Qualifications and Skills