Senior Software Engineer - Full Stack - Portal Platform

About the role

Abnormal AI is looking for a Software Engineer to join the Portal Platform team. Our team's mission is to uplevel the architecture across our different portals here at Abnormal: Customer Portal - a gateway our customers use to interact with Abnormal End User portal - functionality for the users inside the companies that have purchased our product Demo portal - a tool to help showcase different combinations of our product by GTM teams Main themes include helping reach and maintain enterprise grade stability, security & usability for our customers while enabling application teams to easily develop & deploy their frontend components utilising AI-driven workflows. This role offers an exciting opportunity to join an AI-native company. You will own truly impactful, platform-level work, driving cross-functional influence that spans across product development and enabling our go-to-market teams. You'll join a team of experienced engineers, collaborating with them to design components & drive execution. The ideal candidate is comfortable working with a distributed team & has worked in a full-stack capacity before in enterprise environments.

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

Requirements

• 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
• Familiarity with our stack (AWS, K8, Python/Django, React, Postgres)
• Experience and eagerness to leverage AI development tools
• Experience with large scale web frontend applications
• Experience with front end build tools
• Experience with micro-frontend architecture patterns
• Experience with web security (eg. OWASP top 10)
• #LI-NT1

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