Senior Swift Developer- Service Industry

A Finnish fintech startup company specializing in light entrepreneurship and automated invoicing solutions is looking for an experienced Senior Swift Developer to join their mobile development team. The role will support mobile application development for a new ERP-style system. The development setup leverages a modern stack built on iOS, Kotlin, and TypeScript, with Claude integrated into the workflow. Senior Swift Developer will build a new iOS application, collaborate with the team, and help accelerate the mobile product development timeline.

Requirements

• Strong hands-on experience in Swift and iOS mobile application development
• Deep understanding of iOS architecture, design patterns, and Apple ecosystem best practices
• Ability to work effectively with modern AI-assisted development tools (Claude)
• Proven track record of delivering clean, scalable, and maintainable mobile code
• Strong communication skills and ability to thrive in a fast-paced startup environment
• Capability to work weekly onsite in central Helsinki
• Professional fluency in English

Nice to have

• Exposure to or knowledge of Kotlin and TypeScript
• Prior experience working on ERP systems or complex enterprise mobile applications
• Fluency in Finnish

Details

Start: September 7

Duration: 6 weeks (high probability of extension toward the end of the year)

Allocation: 100%

Location: Hybrid model, Office at central Helsinki

Language: English (Finnish is a plus)

Interested? Please contact: Eeva_Witted // eeva.keinanen@witted.com