Lead iOS Developer (mfd)

Why we have this role

• While traditional Lead roles focus on manual coding this position is centered on defining the high-level specs conventions and reviews that enable AI agents and your team to produce elite iOS code together.
• You maintain full ownership of the code and architecture but your primary impact comes from engineering the specific conditions and guardrails under which AI can deliver reliably.
• The core of your mission is to treat the development process as a product diagnosing where agents fail and closing those gaps through superior prompts tooling and system design.

Responsibilities

• You will define and continuously evolve our iOS standards establishing coding conventions architectural patterns and quality gates that AI agents can consistently followand that fail loudly when they dont.
• You will operate the iOS branch of our agent factory by monitoring agent runs diagnosing failure modes and feeding corrections directly back into prompts conventions tooling and the specification layer.
• In close collaboration with our product team you will author the iOS specification and ticket templates required to produce agent-ready work.
• You will review pull requests generated by agents against our architectural and quality standards stepping in to intervene whenever an agent stalls.
• You will take full ownership of the iOS apps quality stability and release outcomesmanaging Crashlytics performance and release processesregardless of whether the code was written by a human or an agent.
• You will actively shape the iOS codebase to be AI-friendly by enforcing modular boundaries ensuring deterministic tests maintaining machine-readable documentation and designing clear interfaces.
• As a leader and mentor to the iOS team you will share your knowledge conduct code reviews and help the team maximize their potential when working alongside AI agents and tools.
• You will drive the technical decisions for our fully native Swift development working completely free of legacy code and enjoying full autonomy over your tools and approach.

Qualifications

• You bring over five years of experience as a Senior or Lead iOS Developer including a track record of guiding teams to ship real scalable products to production.
• You have demonstrable hands-on production experience using AI-assisted development tooling.
• You hold strong well-founded opinions on what makes a codebase amenable to AI-assisted development backed by the architectural taste required to execute those ideas.
• You have a proven history of making critical technical decisions designing robust architectures and successfully guiding teams through their implementation.
• You possess excellent technical writing skills in English which is crucial since our specifications and conventions are a core part of the product and will be authored by you.
• You demonstrate independence initiative and a strong bias toward shipping over polishing.
• You are open to working from our Hamburg office 12 days a week.

Why endios

• You will be working learning and collaborating alongside dedicated colleagues in a modern highly AI-focused environment.
• You will benefit from short feedback loops fast decision-making processes and the opportunity to exert a real influence on the future of the iOS stack at endios.
• We offer you the opportunity to develop freely within a growing company in a dynamic industry allowing you to shape the future while continuously growing on a professional level.
• You will have the chance to take on responsibility from day one leveraging our lean and agile decision-making pathways to make an immediate impact.
• We provide flexible working hours based on a culture of trust along with 30 days of annual vacation.
• You will have the option to work remotely for several days a week.
• We offer an attractive competitive salary accompanied by a variety of additional benefits such as the HVV ProfiCard and a company pension subsidy.