Senior Full-Stack Platform Engineer (React/Django)

Abnormal AI; United Kingdom; On-site; GBP 90,000 - 130,000; Full time

Job summary

Abnormal AI is seeking a Software Engineer to join the Portal Platform team in the UK. You will own platform-level work spanning frontend libraries, design systems, APIs, and infrastructure, driving enterprise-grade stability, security, and usability.

Collaborate across product and GTM teams in a distributed setup. The ideal candidate has 6+ years of full-stack experience with React, Python/Django or TypeScript, and cloud infrastructure.

Qualifications

• 6+ years as a software engineer delivering cross-team projects end-to-end.
• Deep expertise in React and modern frontend architecture.
• Backend proficiency in Python (Django) or TypeScript with API design.
• Experience with cloud infrastructure (AWS, Kubernetes) and production systems.
• Influenced RFCs, architecture decisions, or platform migrations.
• Mentors engineers and raises the technical bar via reviews and docs.
• Strong communication in distributed/async environments.
• Balances technical debt with feature delivery at platform level.
• Growth-driven with increasing impact over time.
• Solid CS fundamentals and performance optimization.

Responsibilities

• Design and execute platform-level software projects from conception through launch.
• Build and maintain backend services and APIs powering portal experiences.
• Create reusable frontend libraries, design systems, and tooling to accelerate delivery.
• Own infrastructure concerns including CI/CD, deployment automation, and observability.
• Drive frontend performance and accessibility standards across portals.
• Share knowledge and contribute to engineering best practices.
• Provide guidance and mentorship to junior teammates.
• Accelerate teams across various front-end domains.

Skills

React

Frontend architecture

Python

Django

TypeScript

APIs design

Data models

AWS

Kubernetes

CI/CD

Mentoring

Distributed teamwork

CS fundamentals

Education

BS in Computer Science or related

Tools

AWS

Kubernetes

PostgreSQL

CI/CD pipelines

Job description

Abnormal AI is seeking a Software Engineer to join the Portal Platform team in the UK. You will own platform-level work spanning frontend libraries, design systems, APIs, and infrastructure, driving enterprise-grade stability, security, and usability.

Collaborate across product and GTM teams in a distributed setup. The ideal candidate has 6+ years of full-stack experience with React, Python/Django or TypeScript, and cloud infrastructure.