Pasito (YC S22) Fullstack Software Engineer

Pasito is the AI workspace for employee benefits.

Were rethinking how group insurance and benefits are underwritten delivered used and measured - by the people who design them and the people who depend on them. Instead of static PDFs disconnected systems and manual workflows Pasito brings plan design payroll and benefits data claims and financial context into a single AInative workspace that helps benefits actually work for the 178 million Americans who depend on this system.

We dont build for brokers carriers and employers - we build with them. That collaboration shows up in everything we ship: AI agents that extract and structure plan data tools that turn complexity into clarity for employees and workflows that save carriers and consultants hundreds of hours per case.

Today Pasito supports many of the largest insurance carriers and brokers in the U.S. Were backed by Y Combinator and Core Innovation Capital and were growing quickly. We ship fast iterate relentlessly and care deeply about building systems that are accurate scalable and human.

If youre excited to work alongside exceptional operators and engineers and apply AI in a legacy industry where precision and trust matter Pasito is the place for you.

As a Full Stack Engineer at Pasito youll build the product experiences and technical systems that help employees understand elect and use their benefits. Youll work across frontend backend infrastructure and AI-powered workflows to deliver polished scalable web applications that improve health and financial outcomes for millions of families.

As an early member of the engineering team youll have real ownership and influence: shaping product architecture defining engineering standards prototyping new features and building systems that carriers brokers employers and employees rely on every day.

Youre an engineer with strong product instincts who enjoys prototyping experimenting and iterating quickly. You understand that great products are not invented in one pass but discovered through relentless iteration customer feedback and thoughtful execution.

• Build full-stack product experiences
  Design build and ship scalable web applications across the frontend and backend with a focus on usability reliability and long-term maintainability.

• Deliver polished frontend experiences
  Create delightful high-quality user interfaces using modern frontend frameworks like . You may not be a designer but you enjoy collaborating closely with design and care deeply about the details that make products feel intuitive and trustworthy.

• Own backend systems and APIs
  Build and maintain backend services APIs data models and integrations that power Pasitos platform with attention to correctness scalability observability and clean architecture.

• Integrate AI into real products
  Work with AI and LLM-powered systems including models like ChatGPT and Claude to help bring intelligent benefits guidance into core user workflows.

• Collaborate cross-functionally
  Work closely with Product Design Sales Client Success and Operations teams to understand customer needs and translate them into durable technical solutions.

• Continuously improve systems
  Refactor thoughtfully reduce technical debt improve testing and reliability and help define what great looks like as the platform and team scale.

• A full stack engineer with 3 years of experience building complex web applications

• Comfortable working across all levels of the development stack from polished frontend experiences to backend systems and APIs

• Product-minded with strong instincts for user experience iteration and customer impact

• Experienced working on scalable web applications or distributed systems

• Comfortable integrating AI / LLM-powered capabilities into real products

• Highly motivated resourceful and energized by solving ambiguous problems in a fast-moving environment

• A collaborative partner to product managers designers client-facing teams and other engineers

• Someone who loves learning about new technologies while understanding the value of continuing to use proven tools when they still do the job well

• Someone who cares deeply about maintainability and is willing to advocate for refactoring cleanup and thoughtful technical decisions when appropriate

• 3 years of experience in full-stack software engineering preferably building web-based applications in a SaaS environment

• Strong experience with TypeScript across the frontend and backend

• Expertise with modern frontend frameworks such as

• Backend engineering experience with APIs and service-oriented architecture

• Experience working with AI / LLM models such as ChatGPT Claude or similar systems

• Experience with AWS and serverless services including infrastructure-as-code tools such as AWS CDK

• Experience working with SQL databases such as MySQL

• Strong familiarity with testing tools testing methodology and practices that support reliable production systems

• Experience building scalable web applications or other distributed systems

• Systems thinking: you know that some refactoring is inevitable as a company scales but you still believe in making thoughtful technical decisions up front

• Experience working at an early-stage startup is a plus

• Experience with health benefits insurance financial services or sensitive data is a plus but not required

• Meaningful ownership: Build foundational product experiences and systems used by carriers brokers employers and employees at scale

• Real impact: Your work directly improves how people understand choose and use their benefits helping families make better health and financial decisions

• Growth: Join early and grow with the company as we scale our product team and distribution

• Exceptional team: Join a highly collaborative team backed by Insight Partners Y Combinator and Google

• Silver screening Interview

• Silver Technical Interview

• Client Screening Interview

• Client Technical interview

• Client Behavioral Interview

Required Experience:

IC