AI-First Finance Systems Engineer

Light; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

A competitive salary + potential stock

Job summary

Light is building a Smart Financial Platform to modernize multinational finance operations. The role involves embedding with customers’ finance teams, redesigning workflows, wiring ERP and banking data into Light, and deploying AI agents in production.

You will train clients to operate the new system independently and iterate on repeatable patterns. You’ll work with Financial Controllers, Finance Directors, and CFOs at fast‑growing SaaS/tech companies, delivering tangible improvements while

Qualifications

• 3+ years close to how finance teams actually work – accounting, process design, consulting, or technical customer success.
• You build & tinker. Vibe coding, data pipelines, and LLM agents are tools you reach for, and you ship working software, not slideware.
• You're fluent enough in finance to hold your own with a Controller on multi‑entity, consolidation, and reporting – and to know when a request won't work.

Responsibilities

• Embed with a customer's finance team, map and redesign their workflows AI‑first
• Wire the integrations – pull data from ERPs, banks, and billing into Light
• Configure, ship, and supervise AI agents in production until the customer trusts them
• Hand back a workflow the customer runs themselves, and train their team from go‑live
• Diagnose the edge cases the playbook doesn't cover, and ship the answer
• Measure & prove the impact against a week‑0 baseline
• Partner two‑in‑a‑box with your Account Manager, and pull in platform and AI engineering when you need them
• Feed repeatable patterns to the Product roadmap

Skills

Finance process

Data pipelines

LLM agents

Consolidation knowledge

Problem solving

Stakeholder management

AI tooling

Fluent English

Integration engineering

Finance qualification

Education

Finance / accounting qualification

Tools

AI agents

ERP integration

Data integration

Job description

Light is building a Smart Financial Platform to modernize multinational finance operations. The role involves embedding with customers’ finance teams, redesigning workflows, wiring ERP and banking data into Light, and deploying AI agents in production.

You will train clients to operate the new system independently and iterate on repeatable patterns. You’ll work with Financial Controllers, Finance Directors, and CFOs at fast‑growing SaaS/tech companies, delivering tangible improvements while