SHARON ROSHAN JOHN

Lululemon Athletica is a Canadian athletic apparel retailer known for its high-quality, stylish, and functional athletic wear.

• Spearheaded release of 30+ microservices with zero rollbacks by aligning acceptance criteria with product vision and localized UX needs.
• Used data insights to refine 50+ user stories, reducing integration errors by 18% and enhancing market-specific flows.
• Defined release health KPIs, cutting post-launch incidents by 30% and MTTR by 35%.
• Diagnosed checkout API latency (p95 +400ms) impacting Spanish market conversions; prioritized fixes with PMs, boosting completion by 2–4%.
• Improved sprint on-time delivery from 70% to 95% by optimizing backlog grooming and removing blockers across time zones.
• Collaborated in discovery phases to identify usability blockers and improve adoption metrics.

Saks OFF 5TH, a subsidiary of Hudson's Bay Company, North America's oldest company operates as a leading luxury off-price retailer

• Co-defined acceptance criteria and RICE prioritization for checkout/iOS flows; reduced time-to-market by 20% without quality regressions.
• Led conversion optimization initiatives, reducing post-release defects by 30% and accelerating deployments by 20% via API-first automation.
• Led root cause analysis using Splunk, providing feedback loops that informed product decisions and reduced triage time by 30%.
• Conducted exploratory testing during discovery phases, identifying usability blockers in web and iOS flows.
• Strengthened operational visibility by enhancing regression coverage from 20% to 90%, significantly cutting test cycles.
• Owned triage and documentation for high-volume rollouts, enabling 35% faster resolution of production issues and ensuring roadmap transparency.

Cognizant Technology Solutions is a global leader in technology and consulting services.

• Reduced launch defect rates by 20% and accelerated go-to-market timelines by streamlining QA against performance baselines for clients like Pepsico, Lowe’s.
• Drafted PRDs/specs for retail APIs used by 5M+ users; aligned with SLAs/SLOs and error budgets to protect CX during peak traffic.
• Enabled faster support ticket resolution by enhancing test coverage for Salesforce Service Cloud integrations.
• Designed onboarding guides and process flows that reduced ramp-up time for QA engineers by 25% and improved delivery velocity.
• Collaborated with tech and product teams to create test frameworks that supported scalable feature rollouts and consistent customer experience.