Senior Full-Stack Platform Engineer

Abnormal Security Corp.; United States; Remote; USD 162,000 - 202,000; Full time

Job summary

Abnormal AI in the United Kingdom is seeking an experienced Software Engineer to join the Portal Platform team. You will own platform-level work across customer, end-user, and demo portals, driving cross-functional influence in product development and GTM enablement.

The role requires 6+ years, deep React frontend expertise, and strong Python/TypeScript backend experience in enterprise environments. You will mentor engineers, own CI/CD and observability, and raise the technical bar while

Qualifications

• 6+ years of experience as a software engineer, with a track record of owning and delivering complex, cross-team projects end-to-end.
• Deep expertise in React and modern frontend architecture (state management, performance tuning, build tooling, design systems)
• Strong backend proficiency in Python (Django) or TypeScript, with experience designing APIs and data models for scale
• Experience with cloud infrastructure (AWS, Kubernetes, CI/CD) and comfort operating production systems
• Demonstrated ability to influence technical direction — you've driven RFCs, architecture decisions, or platform migrations
• Experience mentoring engineers and raising the technical bar through code reviews, documentation, and knowledge sharing
• Strong communication skills, especially in distributed/async environments — you write clearly and proactively
• Proven ability to balance technical debt with feature delivery at the platform level
• You’re growth driven looking to increase impact and responsibility over time
• Strong fundamentals in computer science, data structures, and performance optimization.
• BS degree in Computer Science, Applied Sciences, Information Systems or other related engineering field

Responsibilities

• Design and execute 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

6+ years experience

React

Python/Django

TypeScript

AWS

Kubernetes

CI/CD

RFCs & architecture

Mentoring

Distributed communication

CS fundamentals

Education

BS in Computer Science or related

Tools

PostgreSQL

REST APIs

Frontend libraries

Job description

Abnormal AI in the United Kingdom is seeking an experienced Software Engineer to join the Portal Platform team. You will own platform-level work across customer, end-user, and demo portals, driving cross-functional influence in product development and GTM enablement.

The role requires 6+ years, deep React frontend expertise, and strong Python/TypeScript backend experience in enterprise environments. You will mentor engineers, own CI/CD and observability, and raise the technical bar while