Senior Full-Stack Engineer AI-Driven SaaS, Equity Hybrid UK

PAIR; Greater London; Hybrid; GBP 82,000 - 123,000; Full time

Benefits offered by this job

Equity

25 days holiday

Learning opportunities

Career growth

Company social events

Job summary

PAIR is a fast-growing AI adoption startup in London, delivering personalised, AI-powered learning experiences and adoption support for organisations. The company values a small, high-calibre engineering team and offers equity, generous holidays, and ongoing learning.

You will own end-to-end product delivery across frontend, APIs, data and integrations, while shaping technical direction, testing standards, and reliability as usage grows.

Qualifications

• Experience building production web platforms across frontend and backend.
• Strong experience with modern frontend frameworks (Vue/React/Angular).
• Deep experience with backend frameworks like FastAPI and data-driven features.

Responsibilities

• Own end-to-end product delivery across frontend, APIs, data and integrations.
• Set engineering direction and standards for testing, maintainability and performance.
• Collaborate with Product and Design to translate customer needs into robust functionality and mentor engineers.

Skills

Frontend development

Vue/React/Angular

Python/FastAPI

PostgreSQL

Collaboration with Product/Design

Tools

Vue

TypeScript

Python

FastAPI

Celery

PostgreSQL

Azure

Terraform

GitHub Actions

OpenTelemetry

Job description

PAIR is a fast-growing AI adoption startup in London, delivering personalised, AI-powered learning experiences and adoption support for organisations. The company values a small, high-calibre engineering team and offers equity, generous holidays, and ongoing learning.

You will own end-to-end product delivery across frontend, APIs, data and integrations, while shaping technical direction, testing standards, and reliability as usage grows.