Senior Software Engineer (£95k-£115k + Equity) at Deep-tech AI materials startup

Jack and Jill AI; Greater London; On-site; GBP 95,000 - 115,000; Full time

Job summary

A cutting-edge AI startup in London is seeking a Senior Software Engineer to lead the design and delivery of innovative features with TypeScript and React. This role offers a competitive salary and equity, high autonomy in architectural decisions, and the opportunity to work on groundbreaking projects at the intersection of AI and materials science. Candidates should have over 5 years of experience in engineering and a strong grasp of cloud infrastructure and API design. Join a dynamic team dedicated to solving complex scientific problems.

Qualifications

• 5+ years of experience as a product-focused engineer.
• Strong fundamentals in API design and database modeling.
• Deep understanding of statically-typed languages and cloud infrastructure.

Responsibilities

• Lead the design and delivery of end-to-end features.
• Scale cloud infrastructure for complex machine learning workflows.
• Mentor junior engineers and establish best practices.

Skills

TypeScript

React

Python

AWS

Terraform

Docker

Kubernetes

API design

Database modeling

STEM-oriented mindset

Job description

Senior Software Engineer

Deep-tech AI materials startup (London, UK)

Salary: £95,000 - £115,000 + Equity

What you will do

• Lead the design and delivery of end-to-end features using TypeScript, React, and Python-based ML orchestration.
• Scale cloud infrastructure using AWS, Terraform, Docker, and Kubernetes to support complex machine learning workflows.
• Mentor junior engineers and establish best practices for well‑tested, maintainable code across a data‑intensive platform.

The ideal candidate

• 5+ years of experience as a product‑focused engineer with strong fundamentals in API design and database modeling.
• Deep understanding of statically‑typed languages and experience deploying systems on modern cloud infrastructure.
• Demonstrates a STEM‑oriented mindset with a passion for solving complex, scientific problems through pragmatic engineering.

Why this role is remarkable

• Work at the cutting edge of AI and materials science with a spin‑out from a world‑leading university.
• Join a well‑funded, fast‑growing team of 12 people backed by top‑tier engineering research and industry partnerships.
• High autonomy to make architectural decisions and directly influence the product direction while reporting to the CTO.

Next Steps

1. Visit our website https://jackandjill.ai/jack/job-listing?utm_source=job_listing&utm_medium=...
2. Click 'Talk to Jack'.
3. Talk to Jack to discuss your experience and ambitions.
4. Jack will present you to Jill and potentially the client.
5. If a match is found, the client will arrange an interview.
6. If not, Jack will suggest alternative opportunities.