Principal iOS Engineer

Make Your Mark as an Principal iOS Engineer at Storio group

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