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.

Kazi Saiful Islam

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.

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.

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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, 2023
Designed 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, 2012
Delivered 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, 2026
Secondary School Certificate at Govt. MM City College, Khulna
January 11, 2030 - January 1, 2004
Responsive Web Design (RWD) at My Projects
October 1, 2021 - January 1, 2022
Work With Component in Figma at Creative IT Institute
January 1, 2023 - January 1, 2023
IoT App + Dashboard at Coursera (Smart Lifestyle Australia)
January 1, 2023 - April 21, 2026

Qualifications

Coursera Certificate
January 1, 2023 - April 21, 2026
Creative IT Institute - Figma Component
January 1, 2023 - April 21, 2026
IoT App + Dashboard – Smart Lifestyle Australia
January 1, 2023 - April 21, 2026

Industry Experience

Software & Internet, Media & Entertainment, Professional Services