Principal iOS Engineer

Storio group; Amsterdam; On-site; EUR 70,000 - 90,000; Full time

Job summary

Storio group is looking for a Principal iOS Engineer to join its Amsterdam-based team. In this role, you will set the technical direction for the iOS platform and collaborate with teams in Amsterdam and London to enhance the mobile app experience.

Your responsibilities will include defining the iOS architecture and roadmap, mentoring engineers, and ensuring codebase health. Ideal candidates will have deep expertise in Swift and a strong background in mobile architecture.

Qualifications

• Deep expertise in building and scaling native iOS apps using Swift.
• Experience evolving and maintaining long-lived, scalable codebases.
• Strong skills in mobile architecture and system design.

Responsibilities

• Define and own the iOS target architecture and technical roadmap.
• Lead the design of scalable, performant, and maintainable iOS features.
• Mentor iOS engineers to support their technical growth.

Skills

iOS app development with Swift

Mobile architecture

Technical decision making

Mentoring engineers

CI/CD and automation

Tools

UIKit

SwiftUI

GraphQL

Job description

Make Your Mark as an Principal iOS Engineer at Storio group

About the role

You will join our Amsterdam based Browse and Manage App team. This team builds the storefront, product discovery, and account management experiences for our native mobile applications across all Storio Group brands. Your technical leadership will directly help customers find the best products for their special moments through high quality iOS features.

As our iOS Principal Engineer, you will set the technical direction for the iOS platform within the team. You will champion technical quality, own the iOS architecture roadmap, and ensure the long term health of our codebase. You will collaborate closely with product and engineering teams in Amsterdam and London to make our native app experience best in class.

How you embrace curiosity daily

• Define and own the iOS target architecture and technical roadmap
• Lead the design of scalable, performant, and maintainable iOS features
• Guide critical architectural decisions and help shape implementation choices
• Support the team in using AI assisted engineering tools safely and productively
• Collaborate with other principal engineers on shared solutions and platform strategies
• Mentor iOS engineers to support their technical growth and foster a culture of learning

How you make your mark

• Raise engineering quality standards by improving testing, CI CD, and codebase health
• Deliver a seamless storefront and discovery experience across all Storio Group brands
• Ensure the long term health and scalability of our mobile codebase
• Shape development processes and tooling to improve team quality and flow
• Align with product and engineering managers on the feasibility and success of roadmap items
• Help the team evaluate and adopt modern engineering workflows effectively

What you bring to the team

• Deep expertise in building and scaling native iOS apps using Swift
• Strong skills in mobile architecture, system design, and technical decision making
• Proven experience leading complex technical initiatives and mentoring engineers
• Experience evolving and maintaining long lived, scalable codebases
• Comfort working with tech stacks like UIKit, SwiftUI, SPM, and GraphQL
• Familiarity with modern AI assisted coding tools and their practical limits

What sets you apart

• Understanding of Android architecture and constraints in shared mobile contexts
• Prior knowledge or experience in the ecommerce domain
• Experience improving developer productivity through automation, CI CD, or scripting

Equal Opportunities & Right to Work

Storio Group is an equal opportunity employer, celebrating diversity and fostering an inclusive environment. If you require reasonable adjustments during interviews please contact our HR team.

Applicants must also have the legal right to work in the position's country without requiring sponsorship.