Sirawit Rattanatummatee

UX/UI Designer with 4+ years of experience designing complex enterprise systems, data platforms, and large-scale digital products across government and corporate sectors. Experienced in transforming complex workflows and business requirements into structured user flows, scalable interfaces, and implementation-ready designs. Skilled at designing back-office platforms, dashboards, and workflow systems used by large organizations, with a strong focus on information architecture, usability, and system thinking. Passionate about solving complex problems and building digital products that balance user needs, business goals, and technical constraints.

Contact Information

🔗 linktr.ee/sirawit.r

📧 [email protected]

📞 095-6213731(TH)

Education

MAHASARAKHAM UNIVERSITY

Mahasarakham, Thailand, 2017-2021

• Bachelor's degree, Computer Science

ACHIEVEMENT - MISL SUMMER SCHOOL ON WEB + MOBILE APPLICATION DEVELOPMENT : Collaborated in developing web and mobile applications for the Ministry of Agriculture, gaining practical experience in design, development, and teamwork on real-world projects.

Professional Summary

Experienced UX/UI Designer with nearly 4 years of proven success in crafting user-centered and visually engaging digital products. Skilled in conducting user research, wireframing, prototyping, usability testing, and creating high-fidelity designs. Proficient in industry-standard tools such as Figma, Adobe XD, and Sketch, with a solid foundation in front-end technologies (React.js, HTML, CSS) to support seamless collaboration with developers. Passionate about delivering exceptional user experiences that enhance usability and drive business growth.

Worked on multiple enterprise and government-scale systems including workflow platforms, internal dashboards, operational tools, and customer-facing digital products across insurance, government, retail, and enterprise software industries.

Key Projects:

• Election Results Dashboard : PRD Election 69 – Designed UX/UI for a nationwide election results dashboard used to present complex voting data in real time. Focused on structuring large-scale datasets into clear information hierarchies and responsive visualizations, enabling users to quickly understand nationwide election outcomes.
• Insurance Agent Sales Platform – Designed UX/UI for a sales support platform for top 3 insurance of Thailand used by insurance agents to manage customer information, present insurance products, and process policy applications. The system integrates product information, quotation tools, and customer management features into a single platform that helps agents deliver faster and more accurate sales consultations.
• National Social Security Workflow Platform – Designed UX/UI for a nationwide digital workflow platform used by a major public social security organization. The system transforms traditional paper-based administrative processes into a fully digital workflow platform, enabling officers to manage documents, approvals, and operational tasks through a centralized web system. My role involved translating complex operational processes into clear user flows, designing structured dashboards, and developing scalable interfaces to support large volumes of transactions across multiple departments.
• PTT D-Happy App – Led UX strategy and product design for an HR digital platform for PTT Digital, part of one of the top 3 energy companies in Thailand. Redesigned complex HR workflows and internal services into a unified mobile platform, improving employee self-service processes and operational efficiency

Work Experience