Bath-Based Senior Software Engineer

Adzact is building an autonomous B2B ad engine aimed at optimizing ad spend for B2B companies. They are seeking a Senior Software Engineer to join their elite engineering team and contribute to the development of their core platform, focusing on audience intelligence, campaign orchestration, and system design.

Responsibilities:

• You will join an elite, high-output engineering team building the core of the Adzact platform
• You will work across:
• Audience intelligence systems (fit modelling, enrichment, suppression)
• Person-level intent and intensity scoring
• Campaign orchestration across LinkedIn, Meta and Google APIs
• Lead ingestion, attribution and CRM integrations (Marketo, HubSpot, Salesforce)
• Internal tooling that powers sales and customer success (Audience Audit, activation workflows)
• You will help design systems that:
• Abstract away platform complexity
• Enforce guardrails to prevent wasted spend
• Balance automation with transparency
• Scale across multiple business managers and ad accounts
• Are robust against abuse, cost spikes and data inconsistency
• Your work will directly influence revenue and client performance