Senior Full-Stack Engineer (AI)

TL;DR

Senior Full-Stack Engineer (AI): Building and scaling web applications for an AI-driven marketing platform with an accent on infrastructure, API performance, and AI-assisted development. Focus on architecting secure, high-throughput systems, bridging UI/UX design with backend logic, and driving technical excellence in a fast-paced startup environment.

Location: Must be based in the UK (linked to London office, remote work allowed within the UK).

Company

hirify.global is a leading AI marketing platform for the Fortune 500, backed by major investors, focused on building tools for brands to engage consumers in the new AI-driven internet era.

What you will do

• Architect and own the implementation of scalable, secure web applications.
• Bridge design and engineering by validating technical feasibility and optimizing performance.
• Enforce high engineering standards through rigorous code reviews and spec-driven development.
• Lead system scaling initiatives to support 100x load growth.
• Collaborate with AI engineers, product managers, and designers to shape impactful product solutions.
• Translate emerging trends in GenAI and LLMs into concrete technical bets.

Requirements

• 5+ years of full-stack experience with TypeScript and React.
• Proficiency in Python or willingness to learn.
• Experience with AI-assisted development and LLM tooling.
• Expertise in AWS infrastructure management using Terraform.
• Strong background in building high-throughput, fault-tolerant APIs and data modeling.
• Experience with observability tools and incident resolution.

Nice to have

• Experience with multi-tenant architectures and RBAC/ABAC permission systems.
• Knowledge of enterprise-grade data models and compliance-oriented access patterns.
• Experience working with large datasets and monorepo setups.

Culture & Benefits

• Opportunity to join a fast-moving startup at the center of the AI revolution.
• Work on challenging problems in the $300BN mar-tech industry.
• Collaborate with an experienced, high-performing team of industry veterans.
• Environment that values ownership, grit, and craftsmanship.
• Significant career growth potential as the business scales.