Senior Salesforce Engineer - Adtech

About the company

Infillion is a fully composable advertising platform built to simplify the complexity of digital media. Bringing together technologies including MediaMath, TrueX, Gimbal, Drawbridge, and Catalina, Infillion provides a flexible, AI-ready platform for leading brands, agencies, and media companies.

Headquartered in New York City, Infillion has teams across the US, Costa Rica, and Europe.

About the Role

We are looking for an experienced Senior Salesforce Engineer to join our Revenue Operations team and own the development, integration, reliability, and scalability of our Salesforce environment.

This is a hands-on role focused on building scalable Salesforce solutions, integrating Salesforce with critical business systems, modernizing the existing platform, and providing technical leadership across the Salesforce ecosystem.

You will work closely with Sales, Finance, Operations, IT, and other stakeholders to translate business requirements into secure, scalable solutions and ensure Salesforce remains a trusted source of business and financial data.

Key Responsibilities

• Own the full Salesforce development lifecycle, from requirements and solution design through development, testing, deployment, and ongoing support.
• Design and develop custom solutions using Apex, Lightning Web Components (LWC), JavaScript, Visualforce, SOQL, Flow, and other Salesforce technologies.
• Build and maintain integrations between Salesforce and enterprise systems, including ERP, financial, reporting, and business applications such as Workday, using APIs and iPaaS/ETL platforms such as Dell Boomi.
• Maintain data integrity and clearly defined system-of-record boundaries across Salesforce and connected platforms.
• Develop and maintain Salesforce data models, security, access controls, automation, validation, approval processes, and business workflows.
• Modernize the Salesforce environment by addressing technical debt, retiring legacy functionality, and migrating Workflow Rules and Process Builder to Salesforce Flow.
• Support Salesforce Sales Cloud, Service Cloud, CPQ, Marketo, and associated third-party applications.
• Own Level 2/3 production support, troubleshooting, root-cause analysis, and resolution of complex Salesforce and integration issues.
• Maintain and improve Salesforce DevOps, CI/CD, testing, release management, and deployment processes.
• Evaluate and implement Salesforce AI and automation capabilities, including Agentforce and Einstein, where they can deliver measurable business value.
• Partner with business and technical stakeholders to lead solution design and technical reviews.
• Conduct peer code reviews, contribute to Agile ceremonies, and promote strong engineering and governance practices.
• Mentor junior engineers and provide technical leadership across Salesforce development and architecture.
• Maintain clear technical documentation covering architecture, integrations, code, processes, and system flows.

What We're Looking For

• 5+ years of Salesforce development experience in complex enterprise environments.
• Strong hands-on experience with Apex, LWC, JavaScript, Visualforce, SOQL, and Salesforce Flow.
• Strong understanding of Salesforce architecture, data models, security, governance, and development best practices.
• Experience designing and supporting Salesforce integrations, including REST/SOAP APIs and enterprise iPaaS/ETL platforms such as Dell Boomi.
• Experience with Sales Cloud; Service Cloud and CPQ experience is highly desirable.
• Experience with Salesforce DevOps, CI/CD, testing, release management, and deployment.
• Strong troubleshooting and debugging skills across Salesforce and integrated systems.
• Experience modernizing legacy Salesforce automation and migrating Workflow Rules and Process Builder to Flow.
• Experience working in Agile environments and participating in code and technical design reviews.
• Strong communication skills and the ability to work effectively with both technical and non-technical stakeholders.
• Ability to manage multiple priorities and deliver scalable, high-quality solutions.
• Experience mentoring engineers and leading technical discussions.
• JavaScript Developer I, Application Architect, or System Architect experience is required.
• Salesforce Platform Developer II certification and/or CPQ Specialist certification is preferred, or equivalent practical experience.
• Bachelor's degree in Computer Science, Information Systems, or a related field preferred; equivalent experience will be considered.

Nice to Have

• Salesforce Platform Developer II, CPQ Specialist, Application Architect, or System Architect certification.
• Experience with Salesforce CPQ, Service Cloud, Marketo, Workday, or Dell Boomi.
• Experience integrating Salesforce with ERP and financial reporting systems.
• Experience with Salesforce AI technologies, including Agentforce, Einstein, predictive scoring, or intelligent automation.
• Experience supporting third-party Salesforce applications such as DocuSign, Cloudingo, and Workflow Streams.
• Experience leading technical design and mentoring other engineers.
• Adtech experience is preffered