Senior iOS Swift Engineer with KMP Experience

Opinov8; Sweden; Remote; SEK 900,000 - 1,200,000; Full time

Job summary

Opinov8 is seeking a Senior iOS Engineer to design, build, and maintain high-quality iOS apps using Swift. You will contribute to AI-powered development workflows with Claude and collaborate on Kotlin Multiplatform (KMP) initiatives to enable cross‑platform mobile solutions.

In this role, you’ll work with the engineering team to implement new features, write clean and testable code, review peers, and help shape architectural decisions while upholding engineering standards across projects.

Qualifications

• Experience in iOS development with Swift.
• Strong understanding of iOS architecture and lifecycle.
• Hands-on with Claude for AI-assisted development and agentic coding workflows.
• Experience with Kotlin Multiplatform (KMP).
• Experience integrating APIs and mobile architectures.
• Strong debugging and analytical skills.
• Good communication and collaboration skills.

Responsibilities

• Design, develop, and maintain iOS applications using Swift.
• Apply AI-assisted and agentic development workflows using Claude.
• Collaborate with the engineering team to implement mobile features.
• Work with Kotlin Multiplatform (KMP) codebases and support cross-platform development.
• Write clean, maintainable, and testable code following iOS development best practices.
• Participate in code reviews, debugging, and performance optimization.
• Contribute to architectural decisions and maintain high engineering standards.

Skills

Swift

iOS development

Claude AI-assisted development

Kotlin Multiplatform (KMP)

API integration

Problem solving

Communication

Tools

CI/CD pipelines

Job description

PROJECT OVERVIEW

We are looking for a Senior iOS Engineer with strong expertise in Swift and iOS development, hands‑on experience with AI-assisted and agentic development using Claude, and previous experience working with Kotlin Multiplatform (KMP).

In this role, you will contribute to the development of high-quality iOS applications, leverage AI-powered development workflows, and collaborate with the engineering team to deliver scalable and maintainable mobile solutions.

IN THIS ROLE, YOU WILL

• Design, develop, and maintain iOS applications using Swift.

• Apply AI-assisted and agentic development workflows using Claude to improve engineering productivity and code quality.

• Collaborate with the engineering team to implement mobile features and technical solutions.

• Work with Kotlin Multiplatform (KMP) codebases and support cross-platform mobile development.

• Write clean, maintainable, and testable code following iOS development best practices.

• Participate in code reviews, technical discussions, debugging, and performance optimization.

• Contribute to architectural decisions and help maintain high engineering standards.

IF YOU ARE

• Strong professional experience in iOS development using Swift.

• Solid understanding of iOS architecture, application lifecycle, and mobile development best practices.

• Hands‑on experience using Claude for AI-assisted development and agentic coding workflows.

• Previous practical experience with Kotlin Multiplatform (KMP).

• Experience integrating APIs and working with mobile application architectures.

• Strong problem-solving, debugging, and analytical skills.

• Good communication and collaboration skills.

NICE TO HAVE

• Experience with Kotlin and shared business logic across iOS and Android.

• Familiarity with automated testing, CI/CD pipelines, and mobile release processes.

• Experience exploring and adopting AI-first software engineering practices.

AS AN OPINOV8R, YOU WILL HAVE

• Digital-First Approach: Great talent knows no borders! You can work from wherever you are — we hire and collaborate with professionals worldwide.
• Remote Work Model: Balance your professional and personal life with our flexible working conditions, empowering you to deliver your best from anywhere.
• Exciting Projects: Dive into impactful projects across industries that challenge and spark creativity.
• Boost Your Expertise: Grow your career with continuous learning, development opportunities, and hands‑on experience.
• Join the Best Team Ever: Collaborate with our diverse and cross-cultural team of passionate technologists and creative thinkers.

HOW’S THE HIRING PROCESS GOING

We strive to make our hiring process smooth and transparent to find the perfect match for both sides. Steps may differ depending on the role, but here’s what to expect:

• Initial Interview: If your background fits the role, we’ll invite you for an interview with a Talent Acquisition Specialist.

• Technical Interview: Depending on the position, you may complete a technical assessment or test task.

• Client Interview

• Final Decision:After all steps, we’ll get back to you with the result and next steps.