Senior Software Engineer (Infrastructure) at well-funded Series B AI startup

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.

Senior Software Engineer

Company Description: Well-funded Series B AI startup

Job Description:
You will architect and build the backend for high-performance systems managing billions of data points. This role involves scaling infrastructure to handle massive volumes of unstructured data for machine learning workflows. Working with a veteran team you will ensure the platform remains fast and reliable as the company enters a stage of hyper-growth.

Location: London UK

Why this role is remarkable:

• Join a high-performing engineering team including ex-founders and veterans from elite tech firms

• Impact the frontier of multi-modal AI by building the core infrastructure for data curation and indexing

• Benefit from a culture of high autonomy end-to-end ownership and rapid career progression during expansion

What you will do:

• Design and maintain performant systems using a modern stack including Python Rust and Clickhouse

• Take full ownership of projects from initial architectural decisions through to deployment and monitoring

• Solve complex scaling challenges related to querying and manipulating massive datasets at global scale

The ideal candidate:

• Extensive experience building and maintaining large-scale reliable backend systems from the ground up

• Deep technical proficiency with PostgreSQL and column-oriented analytics systems like Clickhouse

• A builder mindset that thrives on solving technical ambiguity with simple maintainable and robust solutions

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