Seth Hein - iOS Developer and owner of ReallySeth

Nice to meet you. I’m really Seth.

I’m an iOS developer based in Missouri with more than twelve years of experience building reliable, high-quality mobile apps. I’ve partnered with agencies and in-house teams across industries (from fintech and publishing to healthcare and education) helping them deliver apps that work beautifully and scale smoothly. I care most about being a dependable collaborator, writing clean code, and creating apps that users genuinely enjoy.

Experience & Focus

  • 13+ years of iOS development experience

  • Specialized in Swift, SwiftUI, and Objective-C

  • Experienced with Kotlin Multiplatform and cross-team collaboration

  • Projects include financial apps, CRMs, publishing platforms, and IoT integrations

What I’m Known For

  • Dependable, clear communication from start to finish

  • Strong technical foundations with an eye for clean design

  • Easy to work with under pressure - trusted by repeat agency partners

  • Ability to join teams mid-project and deliver on tight deadlines

Selected Clients & Collaborations

  • John Hancock

  • Hogo

  • SherpaCRM (Aline)

  • Lelander

  • Five Pack Creative

  • Ping Pilot

  • Dashing Dish

Beyond the Code

  • Based in Missouri, collaborating remotely with teams nationwide

  • Husband, dad, and occasional foster parent

  • Loves working on meaningful products that make life a little simpler