Senior Platform Engineer - Full-Stack (React/Python)

Remote Genie; United Kingdom; Remote; GBP 90,000 - 120,000; Full time

Job summary

Abnormal AI is seeking a Software Engineer to join the Portal Platform team, driving platform-level work across customer, end-user, and demo portals. You will own end-to-end projects, collaborating with senior engineers to deliver scalable backend services, reusable frontend libraries, and robust infrastructure.

A distributed team environment and enterprise-ready frontend expertise are key. The role emphasizes stability, security, and usability, with opportunities to mentor juniors and influence

Qualifications

• 6+ years delivering complex cross-team projects.
• Deep expertise in React and frontend architecture.
• Strong backend proficiency in Python/Django or TypeScript with API design.
• Experience with cloud infrastructure (AWS, Kubernetes, CI/CD).
• Influenced RFCs and architecture decisions across platforms.
• Experience mentoring engineers and raising technical bar.
• Strong communication in distributed/async environments.
• Ability to balance tech debt with feature delivery at platform level.
• Growth-minded with increasing scope and responsibility.
• Fundamentals in CS, data structures, and performance optimization.
• BS degree in CS/Applied Sciences or related field.

Responsibilities

• Design and implement platform-level software projects from conception through launch, collaborating with senior engineers across the organization.
• Build and maintain backend services and APIs that power our portal experiences.
• Build reusable frontend libraries, design systems, and developer tooling that accelerate feature delivery across product teams.
• Own infrastructure concerns, including CI/CD pipelines, deployment automation, and observability for portal applications.
• Drive frontend performance, accessibility, and quality standards across our portal applications.
• Raise the bar of excellence in engineering, actively contributing to knowledge sharing within the team, and participating in professional development activities.
• Provide guidance and mentorship for junior members of the team.
• Help accelerate the teams with their changes across different realms of front-end development.

Skills

React

Frontend architecture

Python

Django

TypeScript

AWS

Kubernetes

CI/CD

RFCs / architecture decisions

Mentoring engineers

Distributed communication

Data structures fundamentals

Education

BS degree in Computer Science or related field

Tools

React

Python/Django

TypeScript

AWS

Kubernetes

PostgreSQL

Job description

Abnormal AI is seeking a Software Engineer to join the Portal Platform team, driving platform-level work across customer, end-user, and demo portals. You will own end-to-end projects, collaborating with senior engineers to deliver scalable backend services, reusable frontend libraries, and robust infrastructure.

A distributed team environment and enterprise-ready frontend expertise are key. The role emphasizes stability, security, and usability, with opportunities to mentor juniors and influence