Senior Tag Management/MarTech Engineer

Northern

3d•Hybrid

About The Position

Northern is seeking a skilled Senior Tag Management/MarTech Engineer for a 12-month contract. The role focuses on managing client- and server-side tagging, consent, and data governance for web and native mobile experiences within a regulated fintech environment. This contractor position offers collaboration with a talented team, diverse projects, and the chance to make a significant impact. Northern values flexibility, autonomy, and innovation, aiming to create a thriving environment for contractors.

Requirements

5+ years in tag management/MarTech/analytics engineering, including 3+ years hands-on with Tealium iQ and strong JavaScript skills.
Demonstrated experience designing and deploying GDPR/CCPA-compliant consent and exclusion systems across web and mobile; practical knowledge of CMPs (e.g., OneTrust, TrustArc), IAB TCF, and GPC.
Proven ability to architect and operate tag meta-monitoring with ObservePoint: automated audits, journeys, data layer validation, alerting, API usage, and health reporting (e.g., Confluence).
Experience supporting AEM (Adobe Experience Manager) implementations or migrations, including analytics and tagging strategy, content QA, and deployment coordination.
Strong background in data layer design and governance; event taxonomy, schema versioning, and documentation.
Hands-on experience with mobile tagging and SDKs (e.g., Tealium, Adobe, Firebase), and collaborating with iOS/Android engineers on instrumentation.
Familiarity with digital advertising/MarTech ecosystems and integrations (e.g., CM360/Floodlight, Google Ads, Meta, LinkedIn, Bing, Salesforce, Braze, Branch/Adjust).
Proficiency with debugging and testing tools: Chrome DevTools, Charles/Fiddler, network proxies, Postman; solid understanding of cookies/storage, consent modes, and client/server data flows.
Experience with Agile tools and DevOps practices: Git-based version control, CI/CD workflows, Jira, and Confluence; strong documentation habits.
Excellent communication and stakeholder management skills; ability to translate business requirements into technical specs and mentor peers.

Nice To Haves

Experience in fintech or other highly regulated industries; understanding of PII handling, PCI/SOC2 considerations, and secure-by-design practices.

Responsibilities

Lead the design and implementation of consent and data-exclusion solutions across web and native mobile apps to meet GDPR, CCPA/CPRA, and ePrivacy requirements, including CMP integration, IAB TCF support, consent signal propagation, and mobile consent strategy.
Architect, administer, and optimize tag governance/meta-monitoring using ObservePoint (or similar), including automated audits, alerting, journey validations, data layer rules, health dashboards in Confluence, and lightweight version control for monitoring configurations.
Own hands-on tagging in Tealium iQ: build extensions and load rules in JavaScript, configure consent and privacy settings, publish new features across environments, and troubleshoot complex issues.
Define and maintain scalable data layer standards (e.g., W3C CEDDL or custom schemas); partner with engineering to implement across AEM web properties and mobile apps.
Support and quality-assure large-scale CMS initiatives (e.g., Adobe Experience Manager) including analytics/tag migration, content instrumentation, and release validation.
Provide consultative solutions to internal partner teams on tag management, data design, analytics administration, attribution, and digital advertising architecture, balancing performance, accessibility, security, and compliance.
Implement and maintain integrations with analytics, experimentation, and advertising platforms (e.g., Adobe Analytics/GA4, Floodlight/CM360, Meta, LinkedIn, Braze, Branch/Adjust), including server-side where applicable.
Establish and maintain ongoing monitoring, alerting, and SLAs for data quality; create documentation, playbooks, and Confluence dashboards; deliver training and evangelize data collection and governance best practices.
Diagnose technical issues using JavaScript, DevTools, Charles/Fiddler, and network analysis; design and deploy fixes through Agile release processes.
Collaborate with Legal/Privacy, InfoSec, and Risk to align implementations with policy, DPIAs, vendor assessments, records of processing, and data subject request workflows.
Work within and help improve Agile practices (story writing, backlog grooming, sprint ceremonies) across the MarTech and partner engineering teams.