We’re a Toronto Insurtech start‑up modernizing data for the globalP&C Re/Insurance market. Post‑MVP and raising our pre‑seed, we need a senior engineer who can ship fast and own features end‑to‑end. Collectively, our team, advisors, and investors have held executive roles at major global insurers and at leading companies including SpaceX, Google, Snowflake, Salesforce, Citadel, Blackstone, and KKR. What You’ll Do Build React(TypeScript) front‑ends and SpringBoot(Java17) micro‑services on AWS Drive features from design to production, including tests and CI/CD Optimise data pipelines (PostgreSQL+Supabase) for scale, performance, and SOC2 compliance Collaborate closely with founders and data science to productionise ML models Shape our engineering culture and roadmap What You Bring 5+years building production apps with React and SpringBoot (or similar Java) Strong TypeScript, REST/GraphQL, relational DB, and cloud‑native skills Start‑up or small‑team experience; you prioritise and deliver with minimal spec CI/CD, Docker, and infrastructure‑as‑code fluency Must already live in Canada and not require sponsorship Bonus: insurance/fintech, SOC2, live near downtown Toronto Why Ultrassure High ownership: your code reaches global Re/Insurance industry within weeks All in comp $147-175k cad (depending on preferred salary/equity split) Green‑field stack: React18, Vite, Java17, SpringBoot3, AWS CDK Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Software Development Referrals increase your chances of interviewing at Ultrassure by 2x Get notified about new Lead Engineer jobs in Toronto, Ontario, Canada . Software Engineer, Backend (All Levels / All Teams) Software Engineer I, Entry Level (Fall 2024-Spring 2025) - Toronto Developer Specialist (New or Recent Graduate) Software Developer Full Stack (Junior) Software Application Developer (New or Recent Graduate) Junior Software Developer (Askuity division) Frontend Software Engineer (Remote - Canada) Software Developer, Equity Research - Toronto We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr