I'm Charitha Surenaka, a UI/UX Designer with 10+ years of experience scaling B2B SaaS and B2C products through user-centered design, design systems, AI-driven workflows, and front-end proficiency to bridge the gap between design and engineering. Specializing in FinTech, HealthTech, Manufacturing, and Hospitality, I lead cross-functional teams to deliver scalable, production-ready solutions. My work consistently focuses on improving engagement, efficiency, and clarity by combining rigorous research, iterative testing, and AI-enabled tooling across complex product lines.

Charitha Surenaka

I'm Charitha Surenaka, a UI/UX Designer with 10+ years of experience scaling B2B SaaS and B2C products through user-centered design, design systems, AI-driven workflows, and front-end proficiency to bridge the gap between design and engineering. Specializing in FinTech, HealthTech, Manufacturing, and Hospitality, I lead cross-functional teams to deliver scalable, production-ready solutions. My work consistently focuses on improving engagement, efficiency, and clarity by combining rigorous research, iterative testing, and AI-enabled tooling across complex product lines.

Available to hire

I’m Charitha Surenaka, a UI/UX Designer with 10+ years of experience scaling B2B SaaS and B2C products through user-centered design, design systems, AI-driven workflows, and front-end proficiency to bridge the gap between design and engineering.

Specializing in FinTech, HealthTech, Manufacturing, and Hospitality, I lead cross-functional teams to deliver scalable, production-ready solutions. My work consistently focuses on improving engagement, efficiency, and clarity by combining rigorous research, iterative testing, and AI-enabled tooling across complex product lines.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate
See more

Language

English
Advanced

Work Experience

Lead UI/UX Designer at Expernetic LLC
October 1, 2022 - Present
Remote role designing a manufacturing-focused B2B portal using Lean UX and Figma, centralizing brand assets and unifying dealer-sales collaboration to boost client engagement by 90%. Led the implementation of a tokenized three-tier design system to standardize UI and improve design-to-dev handoff across B2B products, resulting in faster development and consistent UI at scale. Integrated AI tools into UX workflows for ideation and prototype validation to accelerate iterations in complex UI systems, reducing design cycles by 30% and improving stakeholder alignment. Redesign of Identity and Access Management UI/flows to improve usability and efficiency across the core platform. Collaborated with multidisciplinary teams to support iterative design refinements and usability testing, reducing late-stage design changes and improving release readiness. Applied a hybrid Agile UX approach to manage deliverables on complex, business-critical projects with predictable, high-quality outcomes.
Lead UI/UX Designer at Unicorn Solutions (Pvt) Ltd
January 1, 2021 - October 1, 2022
Hybrid IT offshoring company delivering financial SaaS products for European clients. Reduced user effort by 65% by designing end-to-end user journeys for a complex FinTech SaaS platform, simplifying workflows and improving decision clarity. Led UI/UX design of a gym management web application for the Norwegian market, automating manual workflows and achieving 45% efficiency gains in payments and customer management workflows. Architected and documented a scalable, multi-product design system to unify visual language and standardize core UI patterns, reducing long-term maintenance and ensuring consistent UX across modules. Established IA, interaction, and motion design standards through documented UX patterns and cross-team design reviews, accelerating delivery and improving design quality across releases. Facilitated iterative refinements and usability testing to minimize late-stage changes and improve launch readiness.
Associate Lead UI/UX Designer at Onsite
July 1, 2017 - January 1, 2021
Elevated overall operational efficiency by 36% by designing user-centered, scalable credit management interfaces with intuitive layouts, data-driven filtering, and dynamic data visualization to streamline case handling and multi-step workflows. Increased operational efficiency by 45% by designing a multi-step gym management mobile app workflow for check-ins and door access, enabling faster member management. Designed an end-to-end, multi-device B2B debtor portal with flexible payment handling and an intuitive self-service workflow to enable debt self-service, boosting portal adoption by 35% and reducing support tickets by 20%. Owned end-to-end delivery of 30+ responsive landing pages for a global debt collection agency, increasing lead inquiries and achieving 100% stakeholder satisfaction. Established the company’s first enterprise design practice, scaling the team from one to three designers and standardizing multi-module workflows, improving cross-team collaboration, accelerating d
Senior UI Engineer at Onsite
July 1, 2013 - July 1, 2017
Led UI design and supported Angular-based UI development for a court-embedded system to automate court–debt collection communications, improving case efficiency and reducing administrative errors by 32%. Developed Windows WPF payment and registration workflows to simplify hospital billing, boosting self-service transaction success by 65%. Built responsive web interfaces using HTML, CSS, and JavaScript to ensure cross-device compatibility. Maintained high design fidelity through advanced CSS techniques to meet client design expectations.

Education

Bachelor of Arts (Hons) in Creative Multimedia at Limkokwing University of Creative Technology
January 1, 2020 - December 31, 2020

Qualifications

IBM - Enterprise Design Thinking Practitioner
January 1, 2022 - December 31, 2022
Google - Foundations of User Experience (UX) Design
January 1, 2022 - December 31, 2022
LinkedIn Learning - Using AI in the UX Design Process
January 1, 2024 - March 10, 2026
LinkedIn Learning - Accessibility First Design
January 1, 2024 - March 10, 2026

Industry Experience

Software & Internet, Financial Services, Manufacturing, Travel & Hospitality, Healthcare