Software Engineer
Harnham is looking for a Software Engineer
Job description
Software Engineer - Marketing Technology
Location: London, Hybrid
I'm working with a fast-growing digital marketing agency who are looking to add a Software Engineer to their team.
The Role
This is a role where you will be mainly hands on but also have the opportunity to work on strategy. You’ll be:
- Designing and building internal and client-facing tools used across marketing teams
- Developing data-driven applications on top of cloud data platforms
- Working closely with analytics teams and senior stakeholders to prioritise what to build next
- Creating automation and AI-powered workflows to support campaign management and optimisation
- Improving data pipelines, models, and performance monitoring used by PPC, SEO, and content teams
You’ll be part of a small, highly impactful tech group where your work directly shapes how the business operates.
Tech Environment
You don’t need everything listed, but strong experience in several is expected:
- Cloud: GCP, AWS OR Azure
- Data warehouse: BigQuery/ Snowflake
- Backend: Node.js with TypeScript / JavaScript
- Data visualisation: BI tools (e.g. Looker, Tableau, Power BI) and/or custom dashboards
- AI: experience building or leading applied AI/LLM solutions for automation and decision support
Extra information
- Status
- Open
- Education Level
- Secondary School
- Location
- City of London
- Type of Contract
- Full-time jobs
- Published at
- 25-01-2026
- Profession type
- Advertising / Marketing / PR
- Full UK/EU driving license preferred
- No
- Car Preferred
- No
- Must be eligible to work in the EU
- No
- Cover Letter Required
- No
- Languages
- English
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