GTM Engineer

Salary: £40,000 - 60,000 per year

Requirements:

• Production coding experience with Python or TypeScript, along with API/data fluency and SQL capability.
• 2–5 years of relevant experience.
• A strong technical degree from a leading university.
• Practical LLM experience, including agents, tool use, retrieval, evaluation, and unattended workflows, with evidence.
• Proven business-critical automation experience, ideally close to sales or marketing.
• Commercial instinct for funnels and key metrics.
• Data quality skills, including enrichment, matching, deduplication, and anomaly detection.
• High ownership, shipping bias, and the ability to collaborate with non-technical colleagues.
• Ability to translate business issues into actionable insights.

Responsibilities:

• Focus on revenue by improving the systems behind lead generation and pipeline.
• Ensure the sales team starts each day with the best available data, presented so they can act on it in seconds.
• Maintain a definitive UK agency market view, including company size, CRM, decision-makers, and weekly changes.
• Automate sourcing, enrichment, deduplication, and scoring to prioritize sales lists.
• Automate selling admin such as pre-call briefs, CRM hygiene, follow-ups, call notes, proposals, and pipeline reporting.
• Build core marketing systems such as audience data, delivery tooling, and channel tracking.
• Own inbound capture end-to-end, measured in minutes.
• Produce trusted reporting for channel decisions.
• Treat commercial data as a product: accurate, current, deduplicated, traceable, GDPR-compliant, and action-oriented.
• Identify and automate costly manual processes across onboarding, customer success, finance, and hiring.
• Build and maintain adopted internal tools with monitoring, error handling, checkpoints, and documentation.

Technologies:

• AI
• API
• CRM
• LLM
• Marketing
• Python
• SQL
• TypeScript
• C++
• Embedded
• Golang
• Linux
• Machine Learning

More:

Hexwired has partnered with an AI start-up that is already excelling in its field and is looking for a GTM Engineer in London. The role is focused on building a product that customers trust within a company built on AI. The salary is competitive at £40–60k plus equity, and the company is rapidly expanding, offering an excellent benefits package and the opportunity to work at the forefront of its industry.

last updated 38 week of 2026