Hi, I’m Johnny Terlaje. I have been crafting seamless digital experiences for over a decade in billing, cybersecurity, e-commerce, and SaaS.

🟢 Open to work | 🧰 Multidisciplinary designer | 🔬 Versatile researcher

Showcase


Simplifying the Bill Experience and Doubling Monthly Traffic

🧑‍🎨 Lead product designer | 🗓️ 2024 - 2025 | 👥 1-person cross-functional team • 3 stakeholders

B2C • BILLING • PRODUCT STRATEGY

Overview

Redesigned T-Mobile’s billing experience to improve transparency, reduce customer confusion, and lower support calls. Conducted user research, identified key pain points, and implemented data-driven solutions to enhance usability, self-service capabilities, and user trust.

Key outcomes

  • Demonstrated impact of UX-led improvements, influencing leadership to prioritize billing simplification in roadmap

  • Significantly reduced billing-related support calls by improving bill clarity and self-service options by 8%

  • Increased user confidence and satisfaction, with usability tests confirming higher comprehension of charges, payments, and promotions

  • Validated new bill presentation approach through qualitative research, leading to a category-based breakdown that most users preferred over traditional line-by-line views

  • Established a scalable UX framework for billing transparency, shaping future billing and account management enhancements


Turning Salesforce from a Sales Prevention Tool into a Sales Acceleration Machine

🧑‍🎨 Lead product designer | 🗓️ 2020 - 2021 | 👥 Scaled team from 1 to 4 designers • 4 stakeholders

B2B • CRM • DESIGN STRATEGY

Overview

Led the transformation of a fragmented and inefficient Salesforce integration into a seamless, data-driven system by conducting user research, identifying key pain points, and implementing strategic UX improvements to enhance sales team productivity and lead conversion.

Key outcomes

  • Secured executive commitment for a dedicated development team by demonstrating product viability and operational impact.

  • Increased user adoption and improved task completion efficiency for sales representatives.

  • Reduced customer support response times by improving overall user satisfaction.

  • Validated UX solutions with usability tests, ensuring alignment with user needs and business objectives.

  • Established a scalable, research-driven framework for continuous improvement in Salesforce workflows.


Redefining security workflows with streamlined reporting and better insights

🧑‍🎨 Lead UX designer | 🗓️ 2019 - 2020 | 👥 1-person cross-functional team • 2 stakeholders

B2B • CYBERSECURITY • DESIGN STRATEGY

Overview

Evolved the Microsoft Security Research Center portal from an MVP to a viable solution by conducting user research, pinpointing workflow inefficiencies, and implementing user-focused enhancements to streamline security vulnerability reporting and increase engagement among security researchers.

Key outcomes

  • Demonstrated the portal’s effectiveness, helping to secure additional resources and prioritization from key stakeholders

  • Achieved a 50% portal adoption rate, with an increase in reported vulnerabilities

  • Improved researcher retention by simplifying submission workflows and reducing the reliance on email-based processes

  • Validated design decisions through usability testing with target audiences

  • Established a user-centered, scalable approach to ongoing portal improvements and future feature releases


Navigating Limitations to Create a Better Cruise Search Experience

🧑‍🎨 Mid-Level UX designer | 🗓️ 2018 - 2019 | 👥 2-person core team • 2 stakeholders

B2C • TRAVEL • PRODUCT STRATEGY

Overview

Faced with tight timelines and a lean budget, I had to think fast. Kicking off the project with my product manager, I tapped into our research team and struck gold—an in-home user study that had been sitting unused. Leveraging existing insights, I streamlined our approach, focusing on pain points that mattered most to travelers searching for their perfect cruise.

Key outcomes

  • Maximized existing research, saving time and resources while uncovering key user behaviors

  • Redesigned the cruise search experience, improving itinerary visibility and reducing friction in the booking flow

  • Boosted user engagement, leading to a 7% increase in funnel progression (3% on mobile)

  • Validated the solution through usability tests, refining the design before launch

  • Set the foundation for data-driven iteration, influencing future releases and design decisions

Archive

  • Johnny is an expert at putting people first.

    Adrian Milsap, UI/UX Designer

  • I've seen him handle demanding clients with grace and respect, delivering top quality work that is both in-tune with the latest design trends and the client's needs.

    Kristina Hjertberg, Software Engineer

  • Johnny tackles hard problems with strategic planning. His leadership/mentorship creates a collaborative and growth-oriented atmosphere, which makes my experience on projects incredibly enriching and impactful.

    Shelley Eang, Product Designer

  • I think Johnny does a great job balancing the various shifting priorities coming from billing's multiple stakeholders.

    Nadine Tabing, Sr. Product Designer

Thanks for visiting! 🙂

Available for full-time or project-based work — remote or on-site in the Pacific Northwest, USA.

Reach out for work inquiries, collaborations, or even a coffee chat!