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I’m a data-driven UX UI designer specializing in CRO and experimentation, helping B2C and eCommerce teams turn hypotheses into measurable UI outcomes. I’ve partnered with brands in the UK/EU to optimize conversion, engagement, and design-system compliance. I’ve helped brands like Puma, Tesco Mobile, TSB, Vuse, and GoStudent turn visitors into loyal customers. Over the past 4 years, I’ve partnered with 20+ brands and agencies to optimize their digital products, increase engagement, and drive measurable conversion. My expertise spans UX Audits, A/B testing, wireframing, prototyping, and usability research, with a strong focus on improving user engagement, retention, and revenue growth.…I’m a data-driven UX UI designer specializing in CRO and experimentation, helping B2C and eCommerce teams turn hypotheses into measurable UI outcomes. I’ve partnered with brands in the UK/EU to optimize conversion, engagement, and design-system compliance. I’ve helped brands like Puma, Tesco Mobile, TSB, Vuse, and GoStudent turn visitors into loyal customers. Over the past 4 years, I’ve partnered with 20+ brands and agencies to optimize their digital products, increase engagement, and drive measurable conversion. My expertise spans UX Audits, A/B testing, wireframing, prototyping, and usability research, with a strong focus on improving user engagement, retention, and revenue growth.

Md Kowsar Hossain Mamun

UI Designer, UX Designer, Product Designer, +1

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I’m a data-driven UX UI designer specializing in CRO and experimentation, helping B2C and eCommerce teams turn hypotheses into measurable UI outcomes. I’ve partnered with brands in the UK/EU to optimize conversion, engagement, and design-system compliance. I’ve helped brands like Puma, Tesco Mobile, TSB, Vuse, and GoStudent turn visitors into loyal customers. Over the past 4 years, I’ve partnered with 20+ brands and agencies to optimize their digital products, increase engagement, and drive measurable conversion. My expertise spans UX Audits, A/B testing, wireframing, prototyping, and usability research, with a strong focus on improving user engagement, retention, and revenue growth.…I’m a data-driven UX UI designer specializing in CRO and experimentation, helping B2C and eCommerce teams turn hypotheses into measurable UI outcomes. I’ve partnered with brands in the UK/EU to optimize conversion, engagement, and design-system compliance. I’ve helped brands like Puma, Tesco Mobile, TSB, Vuse, and GoStudent turn visitors into loyal customers. Over the past 4 years, I’ve partnered with 20+ brands and agencies to optimize their digital products, increase engagement, and drive measurable conversion. My expertise spans UX Audits, A/B testing, wireframing, prototyping, and usability research, with a strong focus on improving user engagement, retention, and revenue growth.

Available to hire

I’m a data-driven UX UI designer specializing in CRO and experimentation, helping B2C and eCommerce teams turn hypotheses into measurable UI outcomes. I’ve partnered with brands in the UK/EU to optimize conversion, engagement, and design-system compliance. I’ve helped brands like Puma, Tesco Mobile, TSB, Vuse, and GoStudent turn visitors into loyal customers. Over the past 4 years, I’ve partnered with 20+ brands and agencies to optimize their digital products, increase engagement, and drive measurable conversion. My expertise spans UX Audits, A/B testing, wireframing, prototyping, and usability research, with a strong focus on improving user engagement, retention, and revenue growth.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

UI/UX Designer (L3) at EchoLogyx Ltd

November 1, 2021 - Present

Designed high-fidelity UI and user flows for a dashboard module, contributing to an estimated £350K reduction in operational costs through improved process efficiency. Collaborated with senior designers and cross-functional teams to deliver responsive UI solutions for global brands including Puma, Tesco Mobile and TSB, contributing to a 60% improvement in conversion performance. Redesigned a publication company’s subscription funnel by creating optimized user flows, wireframes and prototypes. Led and mentored a team of 3 designers, facilitating design reviews and ensuring production-ready delivery.

Jr Graphic & UI/UX Designer at Ishraak Solutions

December 1, 2020 - October 1, 2021

Utilized heatmaps and user behavior analytics to identify pain points in the JOBXPRSS platform, resulting in a 19% increase in user retention and a 7% decrease in bounce rate. Developed and branded SKILLXPRSS, an e-learning platform prioritizing intuitive UI for web and mobile, reaching 1,500+ users within the first quarter. Delivered comprehensive front-end support through HTML and CSS to facilitate seamless integration with the development team.

Jr Graphic Designer at Netpeon Bangladesh

June 1, 2020 - November 1, 2020

Crafted a series of targeted audio-visual campaigns that increased audience reach by 40% while designing visually impactful publications that facilitated clearer messaging for UNDP initiatives. Coordinated with the broadcasting team to create engaging visual content, leading to a 25% boost in social media traffic and an increased average time spent to 4 minutes.