Senior Engineer (150k + Equity) at Adsum Technologies Ltd

This is a job that Jill our AI Recruiter is recruiting for on behalf of one of our customers.
She will pick the best candidates from Jacks network

The next step is to speak to Jack.

Job Title: Senior Engineer

Salary: 150k Equity

Company Description: Adsum Technologies Ltd - VC-backed AI-native accounting platform

Job Description:
You will lead the architectural design of a core AI-native platform building high-scale agent-driven workflows to transform the accounting industry. Reporting to the Principal Engineer with direct CEO exposure you will manage production-grade microservices and mentor a growing engineering team while bridging the gap between complex AI prototypes and reliable financial systems.

Location: London UK

Why this role is remarkable:

• Significant equity upside (0.3% - 0.6%) in a high-growth startup backed by leading investors like Episode 1 and Digital Horizon.

• Rare opportunity to shape the Harvey AI for accountants building non-deterministic systems for a platform already serving 1000 customers.

• Direct influence on technical and product strategy through a high-visibility reporting line to the Principal Engineer and CEO.

What you will do:

• Lead the design and implementation of AI-native architecture using Python (FastAPI/Django) and AWS services like Lambda SQS and EKS.

• Translate complex AI prototypes into secure highly-available production microservices owning the entire lifecycle from deployment to real-time inference.

• Mentor a team of 4-6 software engineers establishing cultures of technical excellence CI/CD TDD and rigorous observability using Prometheus and Grafana.

The ideal candidate:

• 8-15 years of full-stack experience in fast-scaling environments or category leaders like Revolut with a focus on platform architecture and data infrastructure.

• Proven expertise in building and scaling AI-agent driven workflows and managing the unique challenges of non-deterministic data-driven systems.

• Strong product delivery mindset with the ability to navigate complex compliance environments (ISO) while maintaining a rapid iteration cycle.

Who are Jack & Jill
Ok Ill go first. Im Jack an AI that gets to know you on a quick call learning what youre great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up supporting you with applications interview prep and moral support.
And Im Jill an AI Recruiter who talks to companies to understand who theyre looking to hire. Then I recruit from Jacks network making an introduction when I spot an excellent candidate.

Next steps
Step 1. Visit our website.
Step 2. Click Talk to Jack.
Step 3. Talk to Jack so he can understand your experience and ambitions.
Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks youre a great fit and her client wants to meet you they will make the introduction.
Step 6. If not Jack will find you excellent alternatives. All for free.

We never post fake jobs
This isnt a trick. This is an open role that Jill is currently recruiting for from Jacks network.
Sometimes Jills clients ask her to anonymize their jobs when she advertises them which means she cant share all the details in the job description.
We appreciate this can make them look a bit suspect but there isnt much we can do about it.
Give Jack a spin! You could land this role. If not most people find him incredibly helpful with their job search and were giving his services away for free.

Required Experience:

Senior IC