Senior Software Engineer, Backend

Contracts are the oldest business technology in human history. They allow us to collaborate: they define what we promise each other, how we work together, and what happens when things go wrong.
Ivo builds AI products that helps companies like Meta, Uber, IBM, Intel, DoorDash, Mitsubishi Electric, and Coinbase solve their most difficult contracting problems. We think that large language models have created an opportunity to fundamentally change how businesses collaborate with each other.
At Ivo you will work on challenging problems with colleagues who have high standards for each other, move fast, and care deeply about their craft.

Our software solves all these problems (and more) at scale, and our Backend Engineers make it possible.

Engineers at Ivo are inventors. Ivo was first-to-market with:

• An AI agent that lives in MS word and edits the document for you [2023]

• Ditching imprecise embeddings models in favor of agentic RAG [2023]

• Large-scale LLM-based legal fact extraction [2024]

• A legal assistant that can search large contract databases, without sacrificing accuracy [2024]

• Clustering legal documents descended from the same family [2025]

• Automatic deviation analysis to locate buried risk in huge contract databases [2025]

• Merging contracts with their amendments to make a time series of “composite” contracts (a customer actually cried when we showed her this) [2025]

• Building systems that process and analyze millions of contracts reliably

• Designing pipelines that orchestrate LLMs, data extraction, and clustering algorithms at scale

• Creating the most accurate search and retrieval systems on the market

• Collaborating with lawyers and product to build the newly possible when LLMs change every few months

• You love writing code, but you love having impact more: We’re a team of engineers at heart, but our #1 goal is building the best possible product. That means making pragmatic choices and looking for 80/20 solutions.

• Would describe yourself as being relentlessly resourceful.

• You have a strong internal sense of urgency. You have a bias towards doing things *today*, rather than tomorrow.

• Experience working in a startup environment is preferred but not required.

• Are excited about the adventure of building a company!

• Competitive Compensation: Final offer details are determined based on experience, expertise, and overall fit.

• Equity: Meaningful ownership in a company that's scaling fast

• Relocation and Visa Support: We also offer relocation assistance for successful applicants moving to SF, as well as support for visa and green card applications where applicable.

• Health & Wellness: Comprehensive medical, dental, and vision plans to suit the needs of you and your family.

• Flexible Spending & Insurance: Access to HSA and FSA accounts, plus life insurance coverage.

• 401(k) Program: Save for the future with our 401(k) program.

• Commuter Benefits: We help make getting to and from the office easier and more convenient.

• Unlimited PTO: So you can take the time you need to recharge, stay healthy, and bring your best self to work.

• Office Perks: Enjoy a vibrant Downtown San Francisco office with catered lunch five days a week, premium snacks and coffee, an in-building gym, and a dog-friendly environment.

FAQ

• What stage of growth is Ivo at?: We recently raised our Series B after growing 6x in 12 months.

• Is this a chill gig?: Startups are very hard, especially if they’re growing fast. You’ll have a ton of responsibility, and there’s always an enormous amount of stuff to do. It’s hard work but the payoff is uncapped.

Ivo is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.