Sivasankar

Lead Flutter Developer with 4 years of experience, progressed from intern to lead at Coinone Global Solutions. Expert in performance-critical Flutter applications, JSON-driven dynamic UI architectures, real-time chat systems, enterprise-grade offline-first workflows, cost-optimized Firebase usage, and OTA updates using Shorebird. Proven record of owning multi-year production systems end-to-end and shipping high-impact applications to Google Play Store and Apple App Store.

Intern to Lead Flutter Developer at Coinone Global Solutions (2022-01 – Present)

Lead Flutter Developer with ownership of UI/UX, architecture, performance optimization, and release management for production applications across multiple global markets.

• Architected and delivered production Flutter apps for global clients across US, UK, Saudi Arabia, and Qatar
• Owned UI/UX, architecture, performance optimization, and release management end-to-end
• Solved deep technical issues involving memory leaks, FPS drops, streaming inefficiencies, and backend cost scaling
• Worked on-site for enterprise ERP development and industrial UX adaptation
• Mentored developers, conducted code reviews, and enforced architectural standards

Bachelor of Computer Science in Computer Science – College Of Applied Science Thodupuzha (2016-01 – 2019-01)