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Sr iOS Software Engineer - Job Opportunity at eBay

Amsterdam, NL
Full-time
Senior
Posted: May 25, 2025
On-site
EUR 85,000-120,000 annually based on Amsterdam market rates for senior iOS engineers at major tech companies, with eBay's global presence typically positioning them in the upper quartile of compensation packages

Benefits

Opportunity to impact millions of users globally across 190+ markets, providing significant professional visibility and portfolio enhancement
Direct involvement in billion-dollar commerce transactions, offering exposure to enterprise-scale financial systems and high-stakes engineering
Cross-functional collaboration with product management, UX research, and design teams, accelerating professional development through diverse skill acquisition
Agile methodology implementation in small, focused teams, enabling rapid skill development and increased autonomy
Access to cutting-edge mobile commerce technology and industry-leading development practices
Professional growth through challenging large-scale problems that set industry standards
Startup culture environment within a global enterprise, combining innovation freedom with resource stability

Key Responsibilities

Drive native iOS application development from conceptualization to production deployment, directly influencing the mobile commerce experience for millions of daily active users and contributing to eBay's multi-billion dollar transaction volume
Lead strategic coordination with Product and Engineering teams to identify market opportunities, architect creative solutions, and ensure timely delivery within aggressive release cycles that impact global commerce
Implement and evangelize iOS-specific design patterns that establish technical standards across the organization and influence industry best practices
Execute rapid development iterations within a lean engineering environment, demonstrating adaptability and efficiency in high-pressure, fast-paced commercial settings
Champion startup culture initiatives while maintaining enterprise-grade quality standards, balancing innovation with reliability in mission-critical applications

Requirements

Education

Master's degree in Computer Science, or Bachelor's degree with equivalent experience

Experience

5-8+ years proven experience in designing, building, refactoring and releasing rich client software using industry standard patterns

Required Skills

iOS XCode Swift Swift UI debuggers (e.g. Charles) revision control systems (e.g. Git) bug tracking (e.g. Jira) TCA architecture TDD pairing code reviews automated testing continuous delivery software quality large scale enterprise-wide solutions Swift's Combine framework Functional programming reactive software architecture decoupled APIs
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Sauge AI Market Intelligence

Industry Trends

Mobile commerce is experiencing unprecedented growth with mobile transactions now representing over 70% of total e-commerce volume, creating massive demand for senior iOS engineers who can optimize user experience and conversion rates The shift toward composable commerce architectures and microservices is driving need for iOS developers skilled in reactive programming and decoupled API design, making Swift Combine and TCA architecture increasingly valuable European fintech regulations and payment system integrations are becoming more complex, requiring iOS engineers who understand both technical implementation and compliance frameworks Real-time commerce features like live shopping and instant payments are transforming mobile apps from simple storefronts to interactive commerce platforms, demanding sophisticated state management and reactive UI capabilities

Role Significance

Likely working within a squad of 6-8 engineers as part of a larger 20-30 person Selling Experience Engineering organization, with regular interaction across multiple cross-functional teams including product, design, and platform teams
This is a high-impact senior individual contributor role with significant technical leadership responsibilities, positioned to influence architectural decisions across a platform serving hundreds of millions of users and requiring deep expertise in enterprise-scale mobile development

Key Projects

Leading the development of next-generation selling tools and inventory management features that directly impact seller success and platform revenue Architecting real-time notification systems and bidding interfaces that handle millions of concurrent users during peak shopping periods Implementing advanced search and discovery features using machine learning integration to improve buyer-seller matching Building sophisticated payment and shipping workflow integrations that must comply with international commerce regulations

Success Factors

Mastery of reactive programming paradigms and state management at scale, as eBay's app complexity requires sophisticated data flow architecture to maintain performance with millions of concurrent users Deep understanding of commerce domain logic including auction mechanics, payment processing, and inventory management, enabling effective collaboration with product teams and accurate technical estimation Proven ability to balance feature velocity with technical debt management, crucial in a fast-moving marketplace where competitive advantage depends on rapid iteration without sacrificing reliability Strong cross-functional communication skills to translate complex technical constraints into business impact assessments for stakeholders across product, design, and executive teams

Market Demand

Extremely high demand with supply constraints, as the combination of senior iOS expertise and large-scale commerce platform experience represents a rare skill set that fewer than 15% of mobile developers possess

Important Skills

Critical Skills

Swift and SwiftUI expertise represents the foundation for iOS development, but at eBay's scale requires deep understanding of performance optimization, memory management, and debugging complex state interactions across millions of user sessions TCA (The Composable Architecture) and Combine framework knowledge is essential for managing the complex state requirements of auction interfaces, real-time bidding, and multi-step selling workflows that define eBay's unique user experience Enterprise software development patterns and testing methodologies are crucial for maintaining code quality and reliability in a platform where downtime directly translates to millions in lost revenue and damaged seller relationships

Beneficial Skills

Understanding of reactive programming principles beyond Swift, including RxSwift or similar frameworks, enables better architectural decisions when integrating with backend services and real-time data streams Knowledge of payment processing and financial regulations provides significant value when implementing checkout flows and seller payout systems that must comply with international banking requirements Experience with A/B testing frameworks and analytics integration allows for data-driven feature development and optimization of conversion-critical user journeys

Unique Aspects

Direct impact on a platform facilitating billions in commerce transactions, providing rare exposure to financial systems operating at unprecedented scale and complexity
Opportunity to work with auction and bidding mechanics that represent unique technical challenges not found in traditional e-commerce applications
Access to one of the world's largest datasets of buyer and seller behavior, enabling implementation of sophisticated personalization and recommendation systems
Integration challenges with hundreds of payment providers and shipping carriers across 190 countries, requiring deep understanding of international commerce infrastructure

Career Growth

Typically 2-3 years to advance to staff-level technical roles or 18-24 months to transition into engineering management, with eBay's scale providing accelerated exposure to complex technical challenges

Potential Next Roles

Staff iOS Engineer or Principal Mobile Engineer roles focusing on technical architecture and cross-team technical leadership Engineering Manager positions leading mobile development teams of 8-12 engineers Technical Product Manager roles leveraging deep mobile expertise to drive product strategy Senior Engineering roles at high-growth fintech or commerce companies seeking to build competitive mobile platforms

Company Overview

eBay

eBay operates as one of the world's largest online marketplace platforms, facilitating over $85 billion in gross merchandise volume annually across 190 markets, with a strategic focus on unique inventory and collectibles that differentiates it from traditional e-commerce giants like Amazon

Maintains a strong position as the dominant player in the auction and collectibles market while competing directly with Amazon, Etsy, and regional marketplace leaders, leveraging its two-sided marketplace model and established seller community
Amsterdam serves as eBay's European technology hub and regulatory compliance center, making this role critical for EU market expansion and GDPR compliance implementation across the mobile platform
Combines the innovation pace and autonomy of a startup environment with the resources and stability of a public company, emphasizing data-driven decision making and cross-functional collaboration in small, empowered teams
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