Front End Developer - Experimentation

BizCover is Australia’s no. 1 online business insurance service that simplifies comparing and buying cover, so small businesses can save time, money and get instant cover. Operating since 2008, in an industry dominated by big players, time-consuming processes, and poor service levels, BizCover disrupted the insurance market to level the playing field for small businesses. BizCover currently serves over 300,000 SMEs through its online platform. 

• →Build A/B and multivariate test variants in React and Next.js (TypeScript). 

• →Integrate and configure the new experimentation platform, including feature flags, targeting, rollout and clean-up. 

• →Promote winning variants to production-quality code and remove the rest. 

• →Work with the team’s Data Analyst so every test is set up to be measured correctly. 

• →Keep pages fast and accessible, with unit and end-to-end tests on experiment code. 

• →Help define how the team works: how ideas become tests, and how tests are launched, reviewed and closed. 

• →Suggest what to test next, based on what you see in the code and the results. 

• Strong React developer. Commercial experience (typically 3+ years) building production web apps in React and TypeScript. Next.js preferred. 

• Experimentation experience. Hands-on experience with A/B testing or feature-flag platforms such as Optimizely, GrowthBook, LaunchDarkly, Statsig or VWO. 

• Experiment fundamentals. You know control vs variant, sample size, and why you don’t stop a test early. 

• Quality-minded. Performance, accessibility and automated testing (e.g. Jest, React Testing Library, Playwright). 

• AI in your toolkit. You use AI coding tools in your work and have views on them. 

• Team builder. Comfortable in a small team where you help set the process, not just follow it. 

• Analytics tagging, e.g. GA4 or Google Tag Manager 

• Insurance, financial services or conversion-focused e-commerce 

• Server-side or edge experimentation; design systems

• Your team: Senior Experimentation Strategist and Data Analyst 

• Across BizCover: Engineering squads and QA, Product, Design / UX, Marketing and Customer Acquisition 

• Customer Fanatic —  every test exists to make it easier for a small business owner to get the right cover. 
• Drumbeater —  you keep tests moving and others feel the momentum. 
• Advancer —  you find the next thing to try and share what you learned. 
• Finisher —  tests run to a conclusion, results acted on, code cleaned up.