Founding Engineer — Autonomous Audit Systems

Dex; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

Dex, via a trusted partner, seeks a founding engineer to own the agent layer for autonomous statutory audit systems. You will design and ship end-to-end software that plans, executes, and checks audit work against international accounting standards, collaborating with licensed auditors.

Translate complex rules into autonomous code, build evaluation loops, and ensure deterministic verification of every ledger entry. London-based; in-office most weeks.

Qualifications

• Track record of owning and shipping production software end to end, with direct accountability for architecture and outcomes.
• Deep, hands-on experience building, evaluating, and operating LLM systems in production, rooted in measurement rather than surface-level prompting.
• Demonstrated ability to break down complex, ambiguous real-world workflows directly alongside non-technical domain experts.
• Based in London and eager to work in-office alongside the core team most of the week.

Responsibilities

• Architect and ship the agent systems responsible for planning, executing, and evaluating statutory audit workflows against regulatory standards.
• Build the evaluation machinery and feedback loops that allow agentic systems to reliably self-check their evidence trails.
• Interface the agent layer with a deterministic transaction engine to verify every single ledger entry rather than relying on statistical sampling.
• Work directly with state-authorised auditors to translate complex legal rules, materiality judgments, and evidentiary standards into autonomous code.
• Take ambiguous technical problems from initial concept to live production systems without waiting for tickets or detailed roadmaps.

Job description

Dex, via a trusted partner, seeks a founding engineer to own the agent layer for autonomous statutory audit systems. You will design and ship end-to-end software that plans, executes, and checks audit work against international accounting standards, collaborating with licensed auditors.

Translate complex rules into autonomous code, build evaluation loops, and ensure deterministic verification of every ledger entry. London-based; in-office most weeks.