Full Stack Engineer

Salt; New York (NY); On-site; USD 150,000 - 240,000; Full time

Job summary

Salt is seeking an AI-first Full Stack Engineer to build AI-powered features from scratch and ship impactful products.

Join a fast-growing, venture-backed team and work directly with leadership to shape the future of AI-powered solutions, with ownership over frontend, backend, APIs, and data/model integrations.

Qualifications

• 8+ years of software engineering experience.
• Strong TypeScript and/or Python experience.
• Hands-on experience with LLMs (OpenAI, Anthropic, or open-source models).
• Experience building AI products using agents, RAG, structured outputs, and evaluation frameworks.
• Strong product mindset with the ability to balance technical and business decisions.

Responsibilities

• Own full stack (frontend, backend, APIs, databases, and model integrations).
• Build production-ready AI features from concept to launch.
• Create evaluation frameworks, telemetry, and feedback loops for AI products.
• Experiment with the latest AI technologies and bring them into real-world applications.

Skills

8+ years exp

TypeScript

Python

LLMs

Agent-based AI

RAG pipelines

Structured outputs

Evaluation frameworks

Product mindset

Open-source

Startup experience

Job description

We're Hiring: AI Staff Engineer (Full Stack)

I'm partnering with an exciting, fast-growing, venture-backed technology company that's using AI to transform a major traditional industry. They're looking for an AI-first Full Stack Engineer who loves building products from scratch and shipping impactful AI features into production.

This is a great opportunity for someone who thrives in a startup environment, enjoys high ownership, and wants to work directly with leadership to shape the future of AI-powered products.

What you'll be working on:

• Building production-ready AI features from concept to launch
• Developing AI agents, RAG pipelines, and intelligent workflows
• Owning the full stack (frontend, backend, APIs, databases, and model integrations)
• Creating evaluation frameworks, telemetry, and feedback loops for AI products
• Experimenting with the latest AI technologies and bringing them into real-world applications

What we’re looking for:

• 8+ years of software engineering experience
• Strong TypeScript and/or Python experience
• Hands-on experience with LLMs (OpenAI, Anthropic, or open-source models)
• Experience building AI products using agents, RAG, structured outputs, and evaluation frameworks
• Strong product mindset with the ability to balance technical and business decisions
• Bonus points for open-source contributions, side projects, startup experience, or AI products with active users

If you're passionate about AI, enjoy solving complex product challenges, and want to build cutting-edge technology in a fast-paced environment, I'd love to connect!