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Haastrup
@robert_liamm
Expert Mobile App Developer
Nigeria
Spanish
About me
I’m a mobile app developer & UX/UI specialist with 5+ years’ hands-on experience in building high-quality, user-friendly apps for iOS & Android.
Whether it’s a full‐scale app built from scratch or enhancing an existing one, I bring expertise in:
• Native iOS (Swift) and Android (Kotlin) development
• Cross-platform apps using React Native
• UX/UI design focused on intuitive, high-engagement interfaces
I deliver apps that are reliable, scalable and easy to maintain, so you can launch fast, iterate smart, and delight your users.
Let’s build your next-gen mobile app together. DM me now.
Skills
Haastrup
Offline •
Average response time: 1 hour
See my services
Cross-Platform Development
I will develop ios and android salon booking app or hair and beauty app
Cross-Platform Development
I will develop an ai fitness or workout app and healthcare app
Work experience
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UI/UX Designer & App Developer
Fiverr • Self-employed
Mar 2023 - Present • 3 yrs 7 mos
UI/UX designer and app developer focused on creating clean, user-friendly, and high-converting digital products. Experienced in mobile app design, prototyping, user research, and front-end development. Designed 10+ mobile app interfaces Built user-friendly app prototypes Created modern dashboards and landing pages Delivered high-quality UI designs for startups
UI/UX Designer & Mobile App Developer
Soho Sonic Studios • Freelance
Feb 2023 - Present • 3 yrs 8 mos
I specialize in designing intuitive and visually engaging digital products. I create user-centered UI/UX designs and develop mobile applications that deliver seamless user experiences. Key Achievements: - Designed modern UI/UX for mobile apps, websites, and dashboards. - Created wireframes, prototypes, and user flows using design tools. - Developed responsive and user-friendly mobile applications. - Improved usability and user engagement through research-driven design. - Collaborated with clients to transform ideas into functional digital products.
3 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-3 out of 3 Reviews
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happy_nesss
United States
I had a great experience working with Haastrup. He understood the concept and requirements clearly and delivered a clean, modern and professional fitness app design. The communication was smooth, he was responsive to feedback, and the final result was well executed. I’m really pleased with the work and...
Helpful?
ade_biz
Belgium
Great experience working with Haastrup. He understood exactly what I needed and delivered the food delivery app MVP perfectly. The screens look clean, everything works as expected, and the work was completed on time. Very happy with the result and I’ll definitely consider working with him again for the full project.
Seller's Response
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kel_lucas
Nigeria
I am overwhelm with the work because it is beyond my expectation what a perfect work he has done for me. I can definitely work again and again with him and as well recommend him for more job. Thanks for the great work
Seller's Response
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