Senior Data Engineer

The Opportunity

We're seeking a
Senior Data Engineer
with strong JavaScript and web development expertise who thrives on independent client ownership and solving complex customer data challenges. In this role, you'll serve as the primary technical point of contact for enterprise clients, architecting and delivering scalable CDP and marketing technology solutions that drive measurable business outcomes.

This role requires deep technical skills that go beyond CDP platform configuration. You'll be writing custom JavaScript for Tealium extensions, Segment functions, and data layer implementations. You'll integrate tracking into complex production applications built with React, Angular, , and React Native. If you're a strong JavaScript developer with experience in marketing technology, analytics, or data engineering - and you're ready to own strategic technical consulting work with minimal oversight - this role is your next step.

Critical requirement
: We need someone who can code, not just configure. If your CDP experience is primarily UI-based without substantial JavaScript development work, this role isn't the right fit.

What You'll Own

Client Relationships
: Serve as the trusted technical advisor for enterprise accounts. Lead discovery workshops, present solutions to C-level stakeholders, and build long-term partnerships based on exceptional delivery. You'll own the relationship, not just support it.

Solution Architecture
: Design end-to-end customer data platform architectures across complex MarTech ecosystems. Make technology selection decisions, define integration patterns, create technical roadmaps, and ensure scalability and maintainability from day one.

Platform Deployment
: Lead full-lifecycle CDP implementations across Tealium (EventStream, AudienceStream, iQ), Twilio Segment, Braze, , and HubSpot. You'll architect data flows, implement identity resolution strategies, build audience segmentation logic, and integrate with data warehouses (Snowflake, BigQuery).

Data Engineering
: Build scalable data pipelines connecting CDPs with marketing automation, CRM systems, analytics platforms, and cloud data warehouses. Design data models, optimise query performance, and establish data quality frameworks that support marketing operations at scale.

Technical Leadership
: Mentor junior engineers, establish technical standards, contribute to practice development, and participate in business development activities. Your expertise will shape our capabilities and client offerings.

Who You Are

Experience & Technical Depth
:

• 5+ years designing and delivering data solutions in marketing technology, customer data platforms, or analytics domains
• Proven track record independently owning technical client engagements with enterprise organisations
• Hands-on expertise with
  at least one major CDP platform
  (Tealium, Segment, Adobe Real-Time CDP, Salesforce CDP) including full deployment capability - not just basic configuration
• Strong data engineering foundation: SQL mastery (data modelling, query optimisation, dimensional design), Python or JavaScript, modern data stack experience
• Experience with
  cloud data warehouses
  (Snowflake and/or BigQuery) including data pipeline architecture and integration patterns
• Track record implementing marketing technology integrations: Braze, , HubSpot, or similar platforms

Client-Facing Excellence
:

• Exceptional communication skills - you translate technical complexity into business value for executives and technical teams alike
• Proven ability to lead client workshops, requirements gathering, and technical presentations
• Experience building trusted advisor relationships with client stakeholders
• Comfortable navigating ambiguity and managing client expectations through complex projects

What Makes This Senior
:

• You work
  autonomously
• defining approach, making architectural decisions, and driving outcomes with minimal oversight
• You've led implementations from initial design through production optimisation, owning the full lifecycle
• You bring proven problem-solving frameworks and can architect novel solutions for complex, undefined challenges
• You balance immediate delivery needs with long-term scalability, maintainability, and technical debt considerations

Ideal Candidate Also Brings

• Multiple CDP platform experience (Tealium + Segment + others)
• Platform certifications: SnowPro Core, Google Cloud Professional Data Engineer, Tealium/Segment certifications
• Experience with modern data tools: dbt, Airflow, Fivetran, or similar orchestration/ETL platforms
• API development and integration experience
• Understanding of privacy regulations (GDPR, CCPA) and consent management
• Mobile SDK implementation experience (iOS, Android)
• Consulting or agency background with multiple client delivery experience

Your Impact

You'll work with leading New Zealand and international brands implementing customer data strategies that power personalised marketing at scale. Current client roster includes enterprise organizations in real estate, travel, non-profit, B2B SaaS, and retail sectors.

Representative projects
:

• Architecting BigQuery-to-Tealium audience pipelines enabling real-time behavioral segmentation for real estate marketing
• Designing multi-channel customer data strategies connecting CDP platforms with Braze for lifecycle marketing automation
• Building data warehouse integrations that unify customer data across web, mobile, CRM, and offline touch points
• Leading CDP platform selections and migrations for enterprise clients

Why Stitch?

Growth & Learning
: Exposure to multiple CDP and MarTech platforms, enterprise-scale challenges, and diverse industries. We invest in your development with certification support, conference attendance, and continuous learning opportunities.

Autonomy & Trust
: We hire experts and trust them. You'll have the freedom to architect solutions, make technical decisions, and own your client relationships with full accountability.

Team Quality
: Work alongside experienced practitioners including senior data engineers, paid media specialists, and MarTech consultants. Collaborative culture with knowledge sharing and technical excellence as core values.

Work-Life Balance
: Hybrid work model with flexibility. We value output and impact over hours logged.

Meaningful Work
: Help organisations unlock the value of their customer data to deliver better experiences. Work spans strategy through implementation - you'll see the impact of your solutions.

What We Offer

• Competitive salary based on experience, with performance-based bonus potential
• Company phone plan, and car park
• Apple equipment
• KiwiSaver contributions
• Professional development budget (certifications, courses, conferences)
• Modern tech stack and tools
• Hybrid working arrangement
• Flexible hours
• Collaborative team environment
• Exposure to cutting-edge CDP and MarTech technologies

About Stitch

We're a specialised marketing technology consultancy helping organisations architect and implement customer data platforms, marketing automation, and analytics solutions. Our team combines deep technical expertise with marketing domain knowledge to deliver solutions that drive business outcomes.

We work with a diverse client roster spanning enterprise and mid-market organisations across New Zealand and internationally. Our focus on CDP platforms and marketing data engineering makes us unique in the ANZ market.

How to Apply

Submit your CV along with a brief cover note addressing:

1. Your JavaScript and web development experience
2. what frameworks you've worked with, examples of production code you've written
3. Your experience with CDP platforms
   (which platforms, what you've built, scale/complexity) - particularly any custom JavaScript development (Tealium extensions, Segment functions, data layer implementations)
4. GitHub profile or code samples
5. we need to see your actual implementation work (public repos or sanitised examples)
6. An example of a technical solution you architected and the business impact it delivered
7. Why you're interested in senior-level consulting work in the MarTech space