Senior Software Engineer

Jobzhr; New York (NY); On-site; USD 140,000 - 200,000; Full time

Job summary

Jobzhr, in partnership with a Series A startup in NYC, seeks a Senior Software Engineer to drive full-stack feature development for an AI-driven SaaS platform. You will design UX/backend features and build custom AI solutions for clients, influencing architecture and infrastructure decisions.

Ideal candidates bring 5+ years of full-stack experience, a product mindset, and excellent communication. Prior AI/LLM integration and AI-native development (Cursor, Claude) are strongly valued.

Qualifications

• 5+ years in full stack development.
• Product engineering mindset.
• Excellent communication skills.
• Experience with AI/LLM integrations.
• AI-native development experience: Cursor, Claude etc.

Responsibilities

• Designing full stack features across UX and backend systems that power the AI platform.
• Building custom AI solutions for clients.
• Shaping the technical direction and making crucial business decisions on architecture and infrastructure.

Skills

Full stack development

Product engineering mindset

Excellent communication

AI/LLM integrations

AI-native development

Job description

Senior Software Engineer

We are currently helping a Series A startup in NYC scale the engineering team. They are looking for a Senior Software Engineer to drive the development of their AI-driven SaaS product. Through a distribution network of MSP’s, they help them and their SMB clients by building innovative AI technologies and applications.

The core product experience is similar to tools like OpenAI’s ChatGPT or Anthropic’s Claude: conversational AI, document understanding, tool integrations, workflow automation, and AI-powered productivity features.

You as the ideal candidate will be responsible for:

• Designing full stack features across UX and backend systems that power the AI platform
• Building custom AI solutions for clients
• Shaping the technical direction and making crucial business decisions on architecture and infrastructure

You as the ideal candidate will require:

• 5+ years in full stack development
• A product engineering mindset
• Excellent communication skills
• Experience with AI/LLM integrations
• AI-Native development experience: Cursor, Claude etc.

This is a great opportunity for an ambitious engineer that wants a chance to build real-world AI systems at the intersection of product, infrastructure, orchestration, and user experience.