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Demian Sims

Customer Service Representative

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About
Dynamic and versatile professional with a strong technical foundation and a passion for delivering exceptional user and customer experiences. Skilled in analyzing complex systems, troubleshooting issues, and communicating solutions clearly to both technical and non-technical stakeholders. Experienced in supporting end-users, collaborating across teams, and contributing to initiatives that drive customer satisfaction and retention. Adept at translating customer feedback into actionable improvements, ensuring processes and solutions align with user needs. Known for a commitment to clear documentation, proactive communication, and dependable follow-through. A creative problem solver and team player with a background in music composition and production, bringing a unique blend of analytical thinking and interpersonal skills to every interaction. Dedicated to building strong customer relationships, resolving challenges efficiently, and contributing to the success of both clients and teams.
Experience
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OIivine, Inc
Nov 2022 – Mar 2024
Remote
Frontend Software Engineer
Acted as a technical partner to customers by aligning platform capabilities with client goals, resulting in increased adoption and long-term satisfaction. Enhanced backend systems to ensure scalable, reliable performance, directly supporting faster implementation and more responsive issue resolution. Collaborated cross-functionally in Agile teams to manage onboarding and implementation timelines, contributing to successful customer launches and measurable impact on retention and success metrics.
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Rethink
Aug 2021 – Sep 2022
Remote
Software Engineer
Built and customized front-end solutions using ReactJS/React Native with TypeScript to meet customer needs, contributing to improved satisfaction and product usability. Collaborated with design teams to implement intuitive UI/UX flows, helping reduce customer onboarding friction and time-to-value. Integrated and optimized GraphQL APIs to support efficient data delivery for clients, enhancing app performance and responsiveness. Applied accessibility best practices (WCAG) and testing tools like Axe to ensure inclusive product experiences for all end users.
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CoFiMd
May 2021 – Aug 2021
Remote
Software Engineer
Reduced critical bugs by 30% and increased application stability. Integrated JavaScript, enhancing interactive elements and reducing load times by 25%. Designed responsive frontend with Bootstrap 4, increasing mobile user engagement.