Harnham - Data & Analytics Recruitment logo
Cloud

Martech Engineer

Job Details

Work Mode

On-site

Experience

Mid

Employment

Full-time

Salary

£50,000 - £55,000 p/y

Posted Today

Tech Stack

Required technologies & tools

Typescript Javascript React ETL BigQuery NodeJS Google Cloud Platform Elt Langchain Crewai

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About the Role


This is an opportunity to join a digital consultancy at the intersection of marketing, data, and technology. You'll build innovative products, automation solutions, and AI-driven tools that support both internal teams and enterprise clients. If you enjoy solving complex business challenges with modern engineering practices, this role offers plenty of scope for ownership and impact.

The Company

They are a well-established digital and marketing consultancy working with a diverse portfolio of clients across multiple sectors. Combining expertise in technology, data, and digital marketing, they help organisations improve performance through innovative solutions. Their teams operate globally and collaborate across a range of disciplines including analytics, SEO, paid media, content, and technology.

The Role

You will play a key role in designing, developing, and maintaining proprietary MarTech products, automation solutions, and AI-powered tools.Responsibilities include:

* Building scalable applications and integrations using JavaScript, TypeScript, and Node.js
* Developing cloud-native and serverless solutions, with a focus on Google Cloud Platform (GCP)
* Creating API integrations and automated data pipelines
* Supporting the development of AI and agent-based solutions using modern frameworks
* Collaborating with digital marketing teams across SEO, Paid Media, and Analytics to solve business challenges
* Maintaining and enhancing existing internal and client-facing products
* Troubleshooting technical issues and improving platform performance
* Contributing to innovation, best practices, and technical strategy across the engineering function

Your Skills & Experience

* Strong commercial experience with JavaScript, TypeScript, and Node.js
* Experience developing and deploying cloud solutions, ideally within GCP
* Familiarity with serverless architectures and API development
* Experience working with AI tools, LLM applications, or agentic frameworks such as LangChain or CrewAI
* Knowledge of front-end technologies such as React
* Experience working within a digital agency, marketing technology, or consulting environment
* Understanding of digital marketing channels including SEO, Paid Media, Content, or Analytics
* Ability to communicate technical concepts to both technical and non-technical stakeholders

Desirable:

* Experience with BigQuery or other cloud-based data warehouse technologies
* Knowledge of ETL/ELT processes and data engineering concepts
* Experience building dashboards or data visualisation solutions


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