InstaLILY is a New York-based AI startup working at the cutting-edge of agentic AI. We build autonomous agents at the frontier of enterprise software, machine intelligence, and human-AI collaboration. This role is based in-person at our San Francisco office.
As a Software Engineer at InstaLILY, you’ll join a team drawn from top-tier university programs. You’ll develop our AI agents platform and drive technical excellence across the org. You’ll work closely with the Lead Software Engineer and cross-functional teams to design and implement new features and capabilities, and help build a culture of continuous learning as we grow.
This role is client-facing. You’ll build and ship AI agents that operate inside our customers’ systems, and you’ll be in regular working sessions with stakeholders at enterprise customers. You need to code at a high bar and communicate decisions clearly.
Responsibilities
- Develop InstaLILY’s AI platform and drive technical excellence throughout the organization
- Work closely with cross-functional teams (product, UI/UX, business development, growth) and key business stakeholders to design and implement new features and capabilities
- Partner with the Growth team during customer deployments: understand workflows, defend architectural decisions, and iterate on feedback
- Raise quality and reliability through comprehensive testing and CI/CD practices
- Build a rapport with the Lead Software Engineer and Head of Product while fostering a culture of continuous learning and improvement
- Collaborate with the product and design teams to deliver high-quality products that meet customer needs
- Stay up-to-date with the latest AI and software engineering trends and technologies
Requirements
- Bachelor’s in CS, engineering, math, physics, or related: demonstrated ability matters more than credential
- 0–2 years as a software engineer (strong candidates have shipped something with real users)
- Strong fluency in at least one backend language (Python, TypeScript, or similar) and a modern web stack
- AI-serious: you’ve built something with LLMs (a RAG system, an agent, a fine-tuned model, a real integration)
- Strong communication: you can explain what you built and why you built it that way to non-technical audiences
- Strong problem-solving and analytical thinking
What You’ll Get
- Proven product: Customers are live; this isn’t a bet on an unproven thesis
- AI-native: In how we build, how we work, and what we sell
- Stage: Early enough to shape how the company scales
- Global: Based in New York with offices in SF and London
- Culture: Sharp, low-ego team that keeps raising the bar
- Growth: The learning curve is steep
Compensation and Benefits
- Salary Range: $100,000 - $120,000 per year, commensurate with experience
- Equity: Generous stock options awards, and refreshers for top performers
- Benefits: Medical, Dental, Vision, 401K, in-office Lunch reimbursement, Wellbeing Stipend, Generous Parental leave, PTO and 10 US Federal Holidays, and more!
Join InstaLILY and build autonomous agents that matter. If you want a role where your code ships into real enterprise systems and where you’re in the room with customers, we want to hear from you.
Skills Required
- Bachelor's degree in CS, engineering, math, physics, or related field
- 0–2 years of experience as a software engineer
- Strong fluency in at least one backend language (Python, TypeScript or similar)
- Experience building something with LLMs (a RAG system, an agent, a fine-tuned model, a real integration)
- Strong communication skills to explain technical concepts to non-technical audiences
- Strong problem-solving and analytical thinking skills
What We Do
InstaLILY builds AI teammates for the physical-goods economy: industrial distribution, healthcare, supply chain, manufacturing, and automotive. Our model is simple: one company brain, many teammates. We build company-specific AI-powered brains called InstaBrains. Built on small, specialized language models (SLMs), they codify the customer's knowledge and decisions, like their parts, jobs, and pricing. On top of it, InstaWorkers act as AI teammates inside the tools customers already use, completing the sales, service, and operations work that drives the business.
Why Work With Us
Backed by Insight Partners ($25M Series A) and supported by the Google, NVIDIA, and Microsoft ecosystems, we are one of the fastest-growing AI startups in the country. Our team has already driven over $200M in incremental revenue for customers to date. InstaLILY's architecture has been featured in Google DeepMind's case study showcase.
