Senior Software Developer - THREE

THREE is a growing insurance provider that sells a unique and straightforward insurance policy to small businesses – from restaurants, to electricians, to consultants – covering them against property risks (e.g. fire, theft, flood), lawsuits, and more. It was born out of and remains part of Berkshire Hathaway, one of the most respected companies in the world. At THREE, you’ll join a team of experienced insurance operators that chooses to run lean, promotes autonomy, and is charged with building a small commercial insurer that challenges the largest players in its space.

THREE leverages dozens of critical integrations to inform our policy underwriting process, handle payments, manage claims, and much more. As a Senior Software Engineer with a focus on building integrations, you'll play a pivotal role in shaping how our platform connects with the world.

You’ll be a great fit for this role if you:

• Thrive on solving complex technical challenges with high autonomy.
• Enjoy architecting robust APIs, workflows, and tools – backed by a thoughtfully designed test suite.
• Love seeing your code make an immediate and direct impact.

THREE combines multiple business-critical coverages that small businesses need, like liability and workers compensation, all in a single, three-page policy. Like an open-source codebase, there’s no fine print or surprises – our transparent policy is available here: https://threeinsurance.com/the-policy.

Our focus is on providing exceptional coverage to small businesses so they can focus on their operations. Join us to help shape the future of small business insurance and drive innovation in a collaborative environment.

Job Responsibilities

• Lead the implementation of external system integrations, including payment processors, data providers, and partner platforms.
• Troubleshoot and resolve complex integration challenges, ensuring seamless functionality across multiple systems.
• Contribute to THREE’s overall architecture and technical strategy.
• Collaborate with product and business teams to define requirements that drive business-critical outcomes.
• Document integration designs, workflows, and best practices for easy adoption by internal and external stakeholders.
• Mentor junior engineers and contribute to a culture of technical excellence.

Qualifications

Required Qualifications:

• Proven experience designing and implementing integrations with third-party systems (REST APIs, SOAP, webhooks, event-driven architectures, etc.).
• Experience developing testable, maintainable code with clear documentation.
• Strong problem-solving skills and the ability to debug and troubleshoot complex interactions between multiple systems.
• Deep understanding of backend development in a modern tech stack (e.g., Django, Ruby on Rails, or similar frameworks).
• Experience with writing frontend code and developing features end-to-end.
• Knowledge of cloud platforms (Azure, AWS) and infrastructure best practices.
• Excellent communication skills, with the ability to collaborate with technical and non-technical stakeholders.

Preferred Qualifications:

• Experience integrating with insurance platforms, financial systems, or similar enterprise-grade solutions.
• Experience with our tech stack – Azure, Django, React, Celery, Terraform.
• Proficiency with distributed systems and event-driven architectures, e.g. RabbitMQ or Kafka.
• Hands-on experience with CI/CD pipelines and automation tools to streamline integration testing.

About Us

Our parent, Berkshire Hathaway Inc. (berkshirehathaway.com) is a holding company with diversified interests in a host of industries, including insurance, energy, transportation and manufacturing. Most policies issued through THREE will be underwritten by Berkshire Hathaway Direct Insurance Company ("BHDIC"), which is an AM Best rated A++ insurer.

BHDIC is domiciled in Omaha, Nebraska. BHDIC and the team at THREE are focused on helping small business owners quickly and easily buy affordable insurance directly from a financially strong insurance company they can trust.

Some highlights of our benefits are:

• Great work environment with growth opportunity
• Subsidized downtown parking (for in-office positions)
• Competitive compensation
• Generous amounts of vacation and sick time
• Closed on major holidays
• 401(k) with company match
• A fantastic healthcare package
• Tuition reimbursement after 6 months of employment
• Service recognition after 5 years of employment

In accordance with pay transparency laws and regulations, the following good faith compensation range estimate is being provided.  The salary range for this position is $160,000- $200,000 per year.  Final compensation will be based on candidate qualifications, geographic location, and other considerations permitted by law.