Lead - Software Engineer Zürich, ZH, CH Flexible Location Posted 8 hours ago

ON; Zürich; Hybrid; CHF 180,000 - 260,000; Full time

Job summary

On is seeking a Lead - Software Engineer based in Zurich to own frontend architecture across web and mobile platforms. You will balance hands-on craft with architectural leadership while mentoring engineers in a cross-functional incubator spanning product, design, strategy, and engineering.

The role requires strong technical vision, experience migrating large platforms, and fluency in English to collaborate across teams. On offers an inclusive, growth-oriented environment in Zurich.

Qualifications

• 6+ years of production web/mobile app experience.
• Experience migrating Flutter to React with minimal downtime.
• Strong English communication and mentoring abilities.

Responsibilities

• Lead frontend architecture across web and mobile platforms.
• Mentor engineers and promote modern workflows and tooling.
• Align cross-functional partners to shape product roadmaps.
• Drive architectural decisions and ensure performance and accessibility.

Skills

TypeScript

React

Flutter

Swift

Kotlin

GraphQL

Apollo Federation

MCP

Architectural leadership

Mentorship

English communication

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

Flutter

React

Next.js

GraphQL

Apollo Federation

Model Context Protocol (MCP)

Job description

## Lead - Software EngineerZurichApply NowUse AI to find out how well you match with this jobJob ID: JR26111433Date posted: 11/09/2026Function: Technology**In Short**Based in our Zurich office, this role serves as the technical anchor for frontend engineering within a dedicated cross-functional incubator spanning product, design, strategy, and engineering. The position charts technical direction across web and mobile platforms without relying on predefined roadmaps, balancing hands-on craft with architectural leadership to build the foundations of next-generation digital experiences. Reporting directly to the Engineering Director, this role drives the evolution of our digital landscape from early ideation through to resilient, production-grade systems.**Your Mission*** Lead Technical Strategy & Autonomous Execution– Own web and mobile frontend architecture for our primary innovation platform. Navigate ambiguity independently, break down complex, multi–faceted spaces into transparent milestones, and deliver end–to–end initiatives with high autonomy.* Champion Technical Excellence & Mentorship– Guide and mentor engineers within a cross–functional environment. Cultivate an inclusive engineering culture centered on candid feedback, co–create architectural decisions, and elevate team capability through modern workflows, tooling, and emerging paradigms such as AI coding agents and Model Context Protocol (MCP).* Drive Cross–Team Alignment & Innovation– Steer impactful technical initiatives that align platform deliverables with wider organizational goals. Partner with sister engineering groups, operational stakeholders, and leadership to share reusable patterns, learnings, and architectural frameworks.* Co–Create with Cross–Functional Partners– Partner closely with Product, Design, and Strategy to evaluate technical feasibility, prioritize high–impact experiments, and shape the product roadmap from discovery to scalable release.* Raise Architectural & Operational Standards– Define benchmarks for system design, code health, accessibility, and performance. Direct the technical transition of legacy frameworks (e.g., Flutter to modern React / Next.js architecture) while ensuring high uptime, robust observability, and platform resilience.**Your Story*** A solid academic foundation in Computer Science, Software Engineering, or equivalent practical industry experience.* Proven experience (typically 6+ years) designing, deploying, and supporting production–scale web and mobile applications, backed by strong expertise in system architecture.* Demonstrated track record navigating fast–moving environments (such as tech incubators, high–growth scale–ups, or rapid–iteration product squads) with autonomous problem–solving.* Deep knowledge of modern multi–platform web and mobile technologies (e.g., TypeScript, modern React, Flutter, Swift, or Kotlin), alongside a clear, pragmatic perspective on architectural trade–offs.* Direct experience guiding platforms through significant architectural shifts and refactoring initiatives (such as Flutter to React) with zero downtime and controlled dependencies.* A blend of refined visual craft–delivering precise UI/UX details–with rigorous engineering standards around modularity, accessibility, and speed.* Broad familiarity with modern API federation (e.g., GraphQL / Apollo Federation) and emerging agentic protocols (such as MCP).* A collaborative mindset dedicated to elevating peers through active mentorship, transparent technical critique, and inclusive team–building.* Fluency in English with strong interpersonal and technical communication skills.**Your Team**We drive transformation.The Digital Engineering team works across the entire organization to create innovative experiences, from e-commerce platforms to internal tools. Our mission is to shape On’s digital future, enhancing customer interactions and supporting business growth with creative and forward-thinking solutions.**What We Offer**On is an Equal Opportunity Employer. We are committed to creating a work environment that is fair and inclusive, where all decisions related to recruitment, advancement, and retention are free of discrimination. Start date contingent upon the successful completion of a background check.