Senior Full-Stack Engineer, AI-Powered Compliance Platform

Sphere Digital Recruitment; Greater London; On-site; GBP 166,000 - 212,000; Full time

Job summary

Sphere is seeking a Senior Full Stack Engineer to own and build out new product lines (input tax, withholding tax, e-invoicing, tariffs) and critical platform components. You will contribute to scaling the AI-native compliance platform and drive ARR growth with end-to-end ownership.

You will ship mission-critical features, manage a dedicated component, and collaborate with clients to improve filing generation and submission speed, while mentoring other engineers in your areas of expertise.

Qualifications

• Proven Python/Django backend experience in data pipelines.
• Comfortable with React to support frontend tasks as needed.
• Strong attention to detail and reliability with high‑volume data.

Responsibilities

• Develop and own mission-critical features, including filing infrastructure.
• Lead end-to-end development of new product lines for the platform.
• Collaborate with customers to optimize core components and performance.

Skills

Python

Django

React

Tools

Django ORM

Job description

Sphere is seeking a Senior Full Stack Engineer to own and build out new product lines (input tax, withholding tax, e-invoicing, tariffs) and critical platform components. You will contribute to scaling the AI-native compliance platform and drive ARR growth with end-to-end ownership.

You will ship mission-critical features, manage a dedicated component, and collaborate with clients to improve filing generation and submission speed, while mentoring other engineers in your areas of expertise.