Full Stack Engineer - AI

Walter; New York (NY); Remote; USD 140,000 - 210,000; Full time

Benefits offered by this job

Open to on-site and remote candidates

Impact millions of users

Elite AI lab with global platform

Long-term, full-time position

Job summary

Walter in New York City is assembling an elite AI engineering team to build and scale AI-powered products that reach millions of users. The team blends AI breakthroughs with practical product delivery in a cutting-edge lab environment within a global ecosystem.

Ideal candidates ship features in production, work with LLMs at scale, and create seamless AI-driven user interfaces across content, commerce, and messaging experiences.

Qualifications

• Proven track record of shipping AI features into production with real user adoption.
• Hands-on experience with large language models (LLMs), APIs or custom implementations, at scale.
• Strong full-stack development skills (PHP, Python, or JavaScript).
• Ability to build performant AI-powered user interfaces.

Responsibilities

• Build and ship user-facing AI features across multiple products, including content creation tools, e-commerce recommendations, and messaging experiences.
• Rapidly prototype and iterate AI-powered solutions, evolving them into production-ready systems.
• Collaborate closely with product managers, designers, and fellow engineers to design, implement, and scale innovative features.
• Stay ahead of AI advancements and leverage them to unlock new user experiences.
• Contribute to the technical vision and strategy for scaling AI products across the ecosystem.

Skills

AI features production

LLMs (APIs or custom)

Full-stack development

AI UI development

Consumer AI products

PHP experience

WordPress / e-commerce / messaging

Open-source contributions

Job description

The client is building an elite AI engineering team in New York City to develop and scale breakthrough AI-powered products that will impact millions of users. The environment is designed like a cutting-edge AI lab, combining innovation with the distribution power of their broader ecosystem. The team consists of highly talented AI engineers, Full-stack Engineers, product managers, and designers focused on pushing the boundaries of what AI can deliver to end users.

General information

They are seeking exceptional engineers who have shipped AI features that users actively use in production. The ideal developer is full-stack capable, thrives in fast-paced, highly collaborative environments, and is passionate about creating seamless user experiences powered by AI.

Task and Deliverables

• Build and ship user-facing AI features across multiple products, including content creation tools, e-commerce recommendations, and messaging experiences.
• Rapidly prototype and iterate AI-powered solutions, evolving them into production-ready systems.
• Collaborate closely with product managers, designers, and fellow engineers to design, implement, and scale innovative features.
• Stay ahead of AI advancements and leverage them to unlock new user experiences.
• Contribute to the technical vision and strategy for scaling AI products across the ecosystem.

Requirements

• Proven track record of shipping AI features into production with real user adoption.
• Hands-on experience with large language models (LLMs), whether via APIs or custom implementations, at scale.
• Strong full-stack development skills (PHP, Python, or JavaScript).
• Ability to build performant AI-powered user interfaces.

Nice to have

• Experience developing consumer AI products that scaled to large user bases.
• Strong PHP experience
• Familiarity with WordPress, e-commerce platforms, or messaging systems.
• Open-source contributions that showcase technical depth and innovative thinking.

Benefits

• Join a carefully selected team of some of the most talented minds in AI and product development.
• Open to on-site and Remote candidates
• Ship products that will directly impact millions of users across a diverse ecosystem.
• Opportunity to be part of an elite AI lab with the scale and reach of a global platform
• Long-term, Full-time position