Available to hire
Hi, I’m Kazi Saiful Islam, a Product Designer with 4+ years of experience crafting user-centered web and mobile apps across SaaS, IoT, and eCommerce. I love turning user insights into intuitive IA, flows, and scalable design systems.
I’m focused on data-driven design and conversion optimization, with a track record of boosting engagement, reducing drop-offs, and improving conversion funnels. I’m proficient in user research, IA, wireframes, prototyping, and collaborating with cross-functional teams to ship growth-oriented digital products.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Language
English
Fluent
Hindi
Intermediate
Work Experience
UI/UX Designer at Sales Manager Pvt. Ltd
June 1, 2023 - Present Redesigned website user flows and navigation, increasing session duration by 28% and reducing bounce rate by 16%. Led end-to-end design of an IoT-based smart home mobile application, covering research, IA, wireframes, and high-fidelity prototypes. Designed a data-driven admin dashboard for product onboarding and analytics, reducing customer issue response time by 25%. Built and maintained a scalable design system and component library across web and mobile platforms. Conducted A/B testing and leveraged Google Analytics to optimize user journeys and improve conversion funnels. Contributed to growth through UX improvements, supporting a 43.2% increase in organic search traffic and 56.88% growth in organic social traffic. Optimized conversion flows, contributing to 136,000+ leads generated with an average conversion rate of 27%+. Collaborated with product managers, developers, and marketing teams to reduce time-to-market by 20%.
UI/UX Designer at Upwork, Envato, Independent Projects
December 1, 2020 - May 1, 2023Designed 50+ digital products including eCommerce, food delivery, ride-sharing, and booking platforms. Created user flows, wireframes, and high-fidelity UI for web and mobile applications. Developed scalable design systems, reducing design inconsistencies and improving delivery speed by 20%. Worked directly with clients to translate business requirements into user-centered design solutions. Led transition to Figma, increasing team collaboration efficiency by 40%.
Freelance Product / UI Designer at Independent Projects
January 1, 2007 - December 31, 2012Delivered UX and UI solutions for international clients across multiple industries. Designed conversion-focused landing pages, templates, and digital products for marketplaces like ThemeForest. Improved usability, site architecture, and user engagement across client projects.
Education
Higher Secondary Certificate at National University
January 11, 2030 - April 21, 2026Secondary School Certificate at Govt. MM City College, Khulna
January 11, 2030 - January 1, 2004Responsive Web Design (RWD) at My Projects
October 1, 2021 - January 1, 2022Work With Component in Figma at Creative IT Institute
January 1, 2023 - January 1, 2023IoT App + Dashboard at Coursera (Smart Lifestyle Australia)
January 1, 2023 - April 21, 2026Qualifications
Coursera Certificate
January 1, 2023 - April 21, 2026Creative IT Institute - Figma Component
January 1, 2023 - April 21, 2026IoT App + Dashboard – Smart Lifestyle Australia
January 1, 2023 - April 21, 2026Industry Experience
Software & Internet, Media & Entertainment, Professional Services
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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