Senior iOS Full Stack Developer

May 3, 2026
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Team

Join SplitSec.AI, a Chicago-based startup revolutionizing safety with AI-powered, privacy-first gunshot detection technology for schools, cities, and communities. You'll help build the iOS version of an existing Android safety app, working directly with the founder and current team to move fast with discipline.

Responsibilities

• Study existing Android app and product flows
• Build native iOS app in Swift
• Integrate with backend services and APIs
• Implement authentication, user roles, alerts, settings, and core workflows
• Handle push notifications and app permissions correctly
• Work through technical issues quickly with minimal hand-holding
• Help get to a usable iOS version as fast as possible

Requirements

• Strong native iOS development in Swift
• Full stack capability with API integration and backend coordination
• Experience with Firebase or AWS
• Experience with push notifications, permissions, and real-time app behavior
• Experience shipping production iOS apps
• Ability to work directly with founder and move quickly in startup environment
• Strong English communication
• Can provide 3 iOS apps you personally built
• Actively coded for 3+ years

Strong Plus

• Experience building real-time alerting or safety-related apps
• Experience with audio-related app behavior or signal processing workflows
• Experience reproducing an Android app on iOS from an existing product
• Experience with admin dashboards or role-based systems

What We Want in the Person

• Very hands-on
• Fast and practical
• Strong ownership mindset
• Good judgment
• Not just a coder, but a problem solver
• Comfortable in early-stage startup environment

Important Notes

• Do not apply if you are mainly an agency, recruiter, account manager, or someone who delegates most work to others
• We are specifically looking for someone who personally codes and can build
• Bachelor's degree in Computer Science, Software Engineering, or related field preferred

Qualifications

• Expertise in both Back-End Web Development and Full-Stack Development
• Proficiency in Front-End Development with frameworks and tools
• Strong foundation in Software Development with problem-solving and debugging skills
• Excellent collaboration and communication abilities within cross-functional teams
• Proven experience in iOS development; familiarity with fast MVP design processes

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