Senior Full-Stack Engineer — AI & ML Solutions (Hybrid/Remote)

Addition; Greater London; Hybrid; GBP 68,000 - 83,000; Full time

Benefits offered by this job

Hybrid working

26 days annual leave

Learning budget

Birthday off

Shoreditch office access

Job summary

Addition is a growing technology consultancy delivering AI and ML solutions to UK government clients. You will lead and craft scalable software across front-end, back-end and data layers, combining hands-on engineering with technical leadership.

Expect meaningful impact, modern tech and a supportive team. Hybrid role with one in-office day per week in Shoreditch, plus remote work options and a generous learning budget.

Qualifications

• Proven experience delivering complex full-stack applications.
• Strong Python and TypeScript expertise.
• Experience with cloud deployments (Azure or GCP).
• Hands-on Docker and Linux experience.
• Strong code review and testing practices.

Responsibilities

• Design, build and deploy scalable full-stack software.
• Develop APIs, back-end services and data pipelines.
• Work with Python, TypeScript and SQL across apps.
• Support AI/ML adoption in public sector solutions.
• Deploy to Azure and GCP; manage Docker-based deployments.
• Review code and enforce security and testing standards.
• Design and optimize database solutions; ensure data integrity.
• Mentor junior engineers and promote engineering practices.
• Communicate decisions and progress to stakeholders.
• Contribute to technical planning and risk assessment.

Skills

Full-Stack development

Python

TypeScript

React

SQL

Azure / GCP

Docker

Linux

CI/CD

Code reviews

Mentoring

Security

Tools

FastAPI

Pydantic

Node.js

Express

Next.js

Job description

Addition is a growing technology consultancy delivering AI and ML solutions to UK government clients. You will lead and craft scalable software across front-end, back-end and data layers, combining hands-on engineering with technical leadership.

Expect meaningful impact, modern tech and a supportive team. Hybrid role with one in-office day per week in Shoreditch, plus remote work options and a generous learning budget.