Full Stack Engineer
About the job
- Experience as a mid-senior level engineer working across a modern web stack.
- Experience with software engineering principles, including SOLID, DRY, and entity-relationship modeling.
- Professional experience with a server-side language, ideally JVM-based.
- Professional experience building web-based single-page applications using React, TypeScript, or an equivalent technology.
- Knowledge of front-end development and the ability to build rich user interfaces following responsive design.
- Comfort with cloud infrastructure and infrastructure as code, and familiarity with standard logging and monitoring tools used to investigate issues.
- Experience with continuous integration, or ideally continuous delivery.
- Comfort with build tools such as Maven and version control tools such as Git or GitHub.
- Experience working in agile teams following Scrum or Kanban, and participating in regular ceremonies including stand-ups, planning, and retrospectives.
- Experience using project management and workflow tools such as Jira.
- Ability to quickly comprehend the functions and capabilities of new technologies.
- Build robust and scalable software for business-critical, web-based applications.
- Build eye-catching, functional, efficient, and reusable web- and mobile-based sites that drive web applications.
- Design, build, test, document, and maintain APIs and integrations.
- Ensure quality control using industry-standard techniques such as automated testing, pairing, and code review.
- Work with the Product team to understand end-user requirements and translate them into an effective technical solution.
- Document technical design and analysis work.
- Assess current system architecture and identify opportunities for growth and improvement.
- Build mock-ups or prototypes to explore and troubleshoot new initiatives.
- Work with the Product team and UX designers to review designs, implement new features, and ensure a high-quality user experience.
- Explore new ideas and emerging technologies, and develop prototypes quickly.
- Uphold the engineering team’s principles and ways of working.
- Professional experience with a server-side language, ideally JVM-based.
- Experience with continuous integration, ideally continuous delivery.
About the company
Ki Insurance runs a digital, algorithmic underwriting platform for the London market. It collects quotes from multiple capacity partners in one place and offers follow capacity—additional insurance based on a lead quote and risk information—through its network, including Aspen Digital Syndicate 4711, Beazley Syndicates 623 and 2623, Ki Syndicate 1618, and Travelers Syndicate 5000. Machine learning helps improve underwriting efficiency and accuracy, enabling brokers and underwriters to compare and attach more capacity. Unlike firms that provide a single quote from one carrier, Ki combines several capacity quotes and supports risk sharing with partners, backed by substantial investor capital (Blackstone and Fairfax) and a high Gross Written Premium of £834 million in 2022, making it the largest insurtech in London. Its goal is to simplify insurance placement, expand capacity, and better manage risk in the London market by scaling digital underwriting and partner networks.
Company Size
501-1,000
Company Stage
Growth Equity (Non-Venture Capital)
Total Funding
$500M
Headquarters
London, United Kingdom
Founded
2020
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Simplify's Take
What believers are saying
- Ki reported H1 2026 adjusted profit before tax of $75.6 million, up 22%.
- FY2025 managed premium reached $1.11 billion, with $205.5 million from partners.
- Jacques Bonneau’s July 2025 chair appointment strengthens governance for growth.
What critics are saying
- Ki depends on Lloyd’s follow business, exposing it to broker and syndicate substitution.
- TMK, QBE, Beazley, Aspen, and Travelers can reprioritize capacity if returns deteriorate.
- If Ki’s underwriting edge compresses, Fairfax owns a capital-heavy, easily copied platform.
What makes Ki unique
- Ki’s algorithmic follow underwriting binds broker quotes across six Lloyd’s syndicates instantly.
- TMK joined in April 2026, validating Ki’s digital distribution with fifth capacity partner.
- Standalone from January 2025, Ki kept Blackstone and Fairfax capital backing.
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Benefits
- Remote Work Options