Email & Marketing Automation Developer

About impact.com impact.com is the world’s leading commerce partnership marketing platform, transforming the way businesses grow by enabling them to discover, manage, and scale partnerships across the entire customer journey. From affiliates and influencers to content publishers, brand ambassadors, and customer advocates, impact.com empowers brands to drive trusted, performance-based growth through authentic relationships. Its award-winning products—Performance (affiliate), Creator (influencer), and Advocate (customer referral)—unify every type of partner into one integrated platform. As consumers increasingly rely on recommendations from people and communities they trust, impact.com helps brands show up where it matters most. Today, over 5,000 global brands, including Walmart, Uber, Shopify, Lenovo, L’Oréal, and Fanatics, rely on impact.com to power more than 225,000 partnerships that deliver measurable business results. Your Role at impact.com We’re looking for a detail-oriented Growth Enablement Developer (Mid-Level) to join our Marketplace Growth team, supporting both advanced email development and technical messaging integrations across lifecycle and bulk communications. This role is suited to someone with solid foundational experience in HTML/CSS email development who is ready to take on greater ownership of complex builds, API-triggered messaging, and automation workflows within a fast-paced growth technology environment. You will be responsible for building and maintaining responsive, dynamic email templates, campaign assets, and triggered messaging flows, ensuring high-quality execution across both bulk and lifecycle communications. This includes working with more complex logic, modular components, and scalable template structures. In addition to email development, you will actively support and contribute to API-triggered messaging and system integrations, working with platforms such as SendGrid and Marketo to help deliver event-based and automated customer journeys. You will collaborate closely with the Growth Enablement, Product, Data, and Development teams to translate requirements into well-structured, testable, and reliable messaging outputs. You will also play a more active role in debugging, optimisation, and improving end-to-end campaign and trigger performance. This role is ideal for someone who is technically confident, detail-driven, and ready to work more independently across both email development and marketing automation systems, while continuing to grow into more senior technical ownership within the team. What You'll Do Build and implement responsive HTML email templates, including complex and dynamic email structures based on design and lifecycle requirements Develop and support advanced dynamic emails, including conditional logic, personalization, and modular components Support implementation of API-triggered and event-based messaging, including: Configuring and maintaining triggered email templates Supporting API request setup and troubleshooting Validating payload structure, data mapping, and output accuracy Assist in integrating messaging platforms such as SendGrid with internal systems and workflows Perform advanced QA and testing, including: Cross-client email rendering validation Triggered send verification and API response checks Data accuracy and segmentation validation Independently monitor and troubleshoot issues in automated and triggered messaging flows, escalating only complex system-level issues Maintain and improve template libraries, modular components, and technical documentation standards Ensure timely, accurate delivery of both bulk and automated lifecycle communications Actively contribute to improvements in: API integration workflows Automation logic and scalability Email development standards and component design Use AI-assisted tools to improve efficiency in: Debugging and QA Code optimisation and refactoring Template and component development What You Bring Strong HTML/CSS fo…