Freelance Data Engineer (Security)

Jack Morton Worldwide Inc.; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Jack Morton Worldwide Inc. is seeking a Freelance Data Engineer to help build the data spine for an AI-enabled event intelligence platform.

The role focuses on creating secure, scalable processes to connect operational systems, unstructured documentation, and third-party data into existing data warehousing infrastructure. The successful candidate will transform fragmented agency knowledge into governed, AI-ready assets while ensuring privacy, retention, and client-specific data requirements,

Qualifications

• Role requires building secure, scalable data pipelines for an AI-enabled platform.
• Experience with data ingestion from API sources and unstructured docs.
• Knowledge of data governance, privacy, and retention requirements.

Responsibilities

• Create a structured data layer integrating data from API-enabled sources (CRM, Azure, event systems, surveys, finance).
• Build ingestion pipelines for unstructured knowledge (PowerPoint, Word, Excel).
• Develop AI-ready document infrastructure with classification, versioning, provenance, metadata, auditability, and permissions.
• Implement confidentiality and privacy controls including access management and data deletion policies.
• Communicate platform design limitations, timelines and costs with the team.
• Contribute to platform roadmap planning with the Jack Morton team.

Skills

Python

SQL

Data Modeling

Data Warehousing

ETL/ELT

API Integrations

Batch Pipelines

Tools

Snowflake

AWS

Bedrock

Infrastructure as Code

Job description

Experience Without Limits
Come shape the future of brand experience.

At Jack Morton, we design and buildhead-turning, smile-inducing, impact-driving brand experiences that redefine what experiential marketing can achieve. We help our clientsunlock the full value of experiencesby turning bold ideas into meaningful connections.

That takes a team that's bold, curious, and acts as one.We build on each other's ideas, challenge conventions, and show up for one another every day. Here, you'll do your best work, grow quickly, and partner across clients, disciplines, and global teams to bring new ideas to life.

This is a place where curiosity drives what’s next, boldness raises the bar, and every win is shared. Where ownership is expected, egos are left at the door, and the work reflects the passion and talent of the people behind it.

Experience without limits—in your work, your growth, and your impact.

Freelance Data Engineer (Security)

Reports to | Product Lead / Technology Executive

Contract type Freelance (to perm possible)

Duration ASAP – April 27

Purpose of the role

Jack Morton is seeking a Data Engineer to help build out the data spine for an AI-enabled event intelligence platform. The role will focus on creating secure and scalable processes to connect operational systems, unstructured project documentation and data from third-party platforms into existing data warehousing infrastructure.

The successful candidate will help transform fragmented agency knowledge into governed, searchable, AI-ready assets while ensuring adherence to privacy, retention, and client-specific data requirements.

Key responsibilities

• Create a structured data layer to integrate and model structured data from API enabled sources such as CRM systems, Azure databases, event attendance systems, survey platforms, and financial warehouses.
• Create ingestion pipelines for the unstructured knowledge layer that includes Powerpoint presentations, Word documents and unstructured Excel spreadsheets.
• Build an AI-Ready document infrastructure that can classify documents, handle versioning, track provenance, and manage metadata, auditability and permissioning.
• Implement frameworks for strictest confidentiality and privacy protections, including access controls and security roles, consent tracking, data retention and data deletion management.
• Work with members of the Jack Morton team to clearly communicate limitations, timeline expectations, out-of-pocket cost expectations and repercussions to platform design.
• Participate in planning discussions on platform roadmap with Jack Morton team members.

This role requires strong experience in the following:

• Python
• SQL
• Data Modeling
• Data Warehousing (Snowflake experience is desirable)
• ETL or ELT development
• API Integrations
• Batch and event-driven pipelines.

The applicant should understand:

• Semantic indexing
• Retrieval-Augmented Generation (RAG)
• Chunking strategies
• Document classification

Security requirements

Access control, tenant isolation, key management, pseudonymisation, audit and logging, compliance frameworks.

Experience with the following is essential, with AI-specific experience being a bonus:

• PII handling and understanding of GDPR implications
• Audit logging
• Data access controls

Platform and tooling

Snowflake, AWS, Bedrock, integration patterns, languages, infrastructure as code.

• Snowflake
• AWS Cognito
• AWS S3
• AWS Lamda
• AWS DynamoDB

Experience required

• Azure or Snowflake data warehousing
• Document ingestion and RAG experience
• Data governance and security
• API integration
• Data pipelines for unstructured documentation
• Experience explaining technical infrastructure to non-technical teams

Experience preferred

• Understanding of event and experiential marketing
• Experience working with a project-based business

First 90 days

What success looks like by day 30, 60 and 90.

Within the first 90 days the data engineer should be integrated into the platform team. They should have delivered a proposal for their plan for the data spine and should be beginning to build out the initial processes to bring it to life.

We make our careers website accessible to any and all users. If you need an accommodation to participate in the application process, please contact us at [e-mail]. This email address is not for general employment inquiries or vendors; rather it is strictly for applicants who require special assistance accessing our employment website. Due to volume, messages sent to this email address that are not related to an accommodation cannot be answered.

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey.Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiringprocess or thereafter. Any information that you do provide will be recorded and maintained in aconfidential file.

As set forth in Jack Morton Worldwide’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection.As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measurethe effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categoriesis as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

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