Senior Software Engineer — AI-Driven Growth Platform

Hook; United Kingdom; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Stock options

Private health insurance

Wellness allowance

Learning budget

Flexible working

Job summary

Hook is building the future of customer growth with AI/ML to predict revenue and boost loyalty. Senior Software Engineer roles involve backend-focused work across Python-based services and React frontends, owning significant architecture areas and driving improvements.

You will design scalable APIs, review code, mentor peers and help shape our production systems. You’ll work in a fast-growing startup with generous perks, flexible working and a collaborative culture, based from our Liverpool

Qualifications

• Experience building production software across frontend and backend (backend-focused).
• Strong experience with Python and frameworks such as FastAPI, Django or Flask.
• Experience designing, building and operating software in production environments.
• Experience working with APIs and integrating third-party services.
• Strong communication skills and the ability to collaborate across teams.
• Pragmatic approach to problem-solving and writing high-quality software.
• Experience with AWS.
• Experience with AI-powered products, machine learning systems or data-intensive applications.

Responsibilities

• Design and deliver customer-facing features in collaboration with engineers, product managers and designers.
• Build clean, well-tested software across Python backend and React frontend.

Skills

Python

React

AWS

APIs

ML systems

Tools

FastAPI

Django

Flask

Job description

Hook is building the future of customer growth with AI/ML to predict revenue and boost loyalty. Senior Software Engineer roles involve backend-focused work across Python-based services and React frontends, owning significant architecture areas and driving improvements.

You will design scalable APIs, review code, mentor peers and help shape our production systems. You’ll work in a fast-growing startup with generous perks, flexible working and a collaborative culture, based from our Liverpool