Senior Software Engineer, Messaging

Requirements

• 6+ years of backend development experience (Java 17, Kotlin, Spring / Spring Boot)
• At least 4+ years of experience building and operating distributed systems in production environments
• Strong understanding of event-driven architectures, async processing, and message-based systems
• Solid knowledge of high-load SaaS architecture, scalability, and reliability patterns
• Some experience with streaming/messaging platforms, notifications or feed-like systems (email, in-app, push, or similar)
• Familiarity with cloud infrastructure, preferably AWS, and production observability practices

What you'll be doing

• Design and implement scalable, fault-tolerant backend services for email and in-app notifications
• Build and evolve event-driven, asynchronous pipelines that process high volumes of product and user events
• Create high-quality technical designs and write clean, maintainable, self-documented production code
• Ensure correctness, idempotency, deduplication, and delivery guarantees across notification flows
• Optimize performance, latency, and scalability while maintaining reliability under peak load
• Take long-term ownership of features and subsystems, including production health and evolution
• Collaborate with Product and Platform teams to deliver relevant and timely user notifications

Perks and Benefits

• Competitive equity package
• Medical insurance coverage
• Lunch, snacks, and drinks provided in the office
• Wellbeing benefit and WFH equipment allowance
• Annual learning and development allowance to grow your skills and career
• Travel allowance for your commute
• Opportunity to work for a globally diverse team
• Inspiring workplace in the heart of Amsterdam