Optimizely Developer

Job description

**Key Responsibilities** **Experiment Development & Execution** - Develop, implement, and QA **A/B, multivariate, and personalization experiments** using **Optimizely Web/Feature Experimentation** . - Translate experiment requirements, wireframes, and hypotheses into robust front-end experiences. - Build experiment variations using **JavaScript, HTML, CSS** , and Optimizely APIs. - Maintain experiment quality through cross-browser testing, debugging, and performance optimization. **CRO & Analytics** - Partner with CRO strategists to assess test feasibility and technical requirements. - Implement tracking, event triggers, and analytics integrations (Google Analytics, Adobe Analytics, Segment, etc.). - Monitor experiments for performance, data integrity, and UX impacts. - Assist with interpreting experiment results and provide technical insights. **Optimization Platform Engineering** - Manage experimentation environments, audiences, feature flags, and configuration settings. - Ensure Optimizely snippets, SDKs, and integrations are optimized for performance and accuracy. - Support the rollout of **feature experimentation** for product teams (flags, rollouts, holdouts). **Collaboration & Documentation** - Work closely with design, product, and analytics teams in Agile workflows. - Document experiment setups, code implementations, and platform configurations. - Advocate for best practices in CRO tooling, experimentation design, and front-end performance. **Required Skills & Qualifications** **Technical Skills** - Strong proficiency in **JavaScript (ES6+), HTML5, and CSS3** . - Hands-on experience with **Optimizely Web Experimentation** , **Feature Experimentation** , or similar platforms (VWO, Adobe Target, Google Optimize). - Experience building interactive UI variations using DOM manipulation, JS frameworks, and event handling. - Familiarity with **Optimizely APIs and asynchronous snippet execution models** . - Solid understanding of **CRO experimentation principles** , statistical significance, and test design. - Experience with analytics tools such as **GA4, Adobe Analytics, CJA, Mixpanel, Heap** . - Familiarity with Git and Agile development workflow. **Soft Skills** - Strong analytical mindset with a detail-oriented approach. - Effective communication skills to collaborate with technical and non-technical teams. - Ability to manage multiple experiments simultaneously. - Passion for experimentation, optimization, and user-centered thinking. **Preferred Qualifications** - Experience with **feature flagging** , progressive rollout, or server-side experimentation. - Familiarity with **React, Vue, or other front-end frameworks** . - Experience using **Qualtrics, FullStory, Hotjar** , or other UX insight tools. - Understanding of SEO, page performance, and rendering behaviour. - Experience with personalization and audience segmentation tools. **Education & Experience** - Bachelor’s degree in Computer Science, Engineering, Marketing Technology, or equivalent experience. - 3 – 7 years of hands-on experimentation experience. - Prior experience in a CRO or digital experimentation-focused team is strongly preferred. **Why Join Us?** - Work at the intersection of **data, design, and engineering** to shape user experiences. - High-impact, measurable work that drives business growth. - Collaborative and experimentation-first culture. - Competitive compensation, benefits, and growth opportunities.