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Darko Stanimirović
Verified Expert in Design
Designer
Belgrade, Serbia
Toptal member since September 2, 2015
Bio
Darko is a product manager with over 10 years of experience in product, UI/UX design, engineering, and data analytics. He works best when he can use his broad skills in cross-functional, data-powered teams. Darko's greatest accomplishment is growing the revenue of a marketplace 15x in over four years while revamping a legacy system into a modern platform.
Experience
- Data Analytics - 6 years
- Mixpanel - 6 years
- UI Design - 6 years
- Marketplaces - 5 years
- UI Components - 4 years
- Product Management - 4 years
- Prototyping - 3 years
- Figma - 3 years
Portfolio
A Messaging Revamp
Product DesignMarketplacesFigma
CitizenShipper UI Design
UI ComponentsComponent LibrariesUI DesignVisual Design
KumbayaApp | A Minimalist Mobile App Design
UI DesignFigmaMobile UI
Silo.co – Network while You Work
MobileUsability TestingPrototypingProduct Design
Tracking Plan
UI Design
Work Experience
Senior Product Manager
2022 - 2023
Checkly
- Adopted a key creation flow for new users that grew by 60%.
- Released multiple improvements and core features, from templates and billing to Playwright Test Runner.
- Used data analytics via SQL, Mixpanel, and R to quantify growth opportunities, prioritize features, find correlations, and discover new opportunities.
- Iterated on increased collaboration in both teams. Blurred lines between PM, design, and engineering to achieve better solutions and happier teams. This led to more empowered teams shipping great features.
Technologies: Figma, Product Management, Data Analytics, Copywriting, User Journeys, Web App UX, Design Systems, User Flows, B2B
Senior Product Manager
2017 - 2022
CitizenShipper
- Increased the marketplace match rates by 280% by revamping key user journeys and interactions.
- Spearheaded driver onboarding experience, which resulted in a 4.2 times increase in new driver activation rate.
- Launched the Intro feature for the messaging product, increasing its usage by 56%. This improved drivers' efficiency and increased their reach.
- Produced dozens of product marketing artifacts, such as announcement emails, in-app copy, and help center articles.
- Coordinated a centralized customer feedback system across 10+ internal stakeholders of customer support, customer success, and an internal feedback source.
Technologies: Figma, Product Design, Marketplaces, Product Management, Data Analytics, Copywriting, Marketplace Design, User Journeys, UX Design, Web App UX, Design Systems, User Flows, Tailwind CSS, B2B
Founder
2017 - 2017
Tracking Plan
- Helped uncover bugs for users and ensured that tracking implementation was aligned with the specs.
- Coded the entire back end APIs in Laravel and front end in React and Redux. Included authentication, plan management, team invites, and code generation.
- Gained experience on how to properly bootstrap a SaaS.
Technologies: Mixpanel, PHP, Product Design, JavaScript, Copywriting, Web App UX, User Flows, B2B
UI/UX Designer
2016 - 2017
Silo
- Redesigned four screens and created at least five major features for user engagement, from ideation and prototyping to release.
- Ran an in-person, moderated usability testing session with 8 participants to uncover friction points.
- Iterated on the design and changed the sentiment around the home page from "Not sure what this does" to "Want to try this right now."
- Created interactive prototypes in Framer and React to test and validate complex UI components.
- Built data analytics capability via Mixpanel; Evangelized data-informed approach to building out the product.
Technologies: User Testing, Mixpanel, Product Design, Copywriting, User Journeys, UX Design, User Flows
Experience Designer
2014 - 2015
Tailor and Made
- Revamped dashboards of a complex online marketplace, including redesigned user flows, user interface, and interactions.
- Led visual design teams on projects like marketing sites, icon redesign, and illustrations.
- Managed web development teams on small and large projects such as new payment integration.
- Consulted with clients about product vision and strategy, feature prioritization, and differentiating from the competition.
Technologies: Prototyping, Wireframing, UX Design, Web App UX, User Flows
User Experience Designer
2013 - 2014
White City Soft
- Conceptualized a few internal projects, such as a management tool for teams and projects and a discovery tool for gifts and coupons.
- Assisted PMs in optimizing complex product requirement documents based on optimal user experience. Learned to advocate for prototypes before long spec documents.
- Created and maintained PDF wireframes, including complex screen states and interactions.
- Worked with clients on optimizing and prioritizing product releases.
- Coded a prototype in HTML and JavaScript to communicate interaction details to developers.
Technologies: UX Design, Web App UX
Education
2003 - 2008
MA Degree in Photography (Applied Graphics)
Faculty of Applied Arts - Belgrade, Serbia
1998 - 2002
Technician's Degree in Packaging Design
School for Design - Belgrade, Serbia
Skills
Platforms
Mixpanel, Figma, Mobile, Visual Studio Code (VS Code)
Languages
PHP, JavaScript, R
Other
UI Design, Prototyping, Product Design, Wireframing, UX Design, Responsive Design, Web App UX, User Flows, B2B, Marketplaces, Product Management, Data Analytics, Copywriting, Marketplace Design, User Journeys, Web UI, Design Systems, User Testing, Usability Testing, Typography, UI Components, Component Libraries, Visual Design, Mobile UI, Tailwind CSS
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