Senior Software Engineer (Messaging)

TL;DR

Senior Software Engineer (Messaging): Designing and implementing scalable, fault-tolerant backend services for a notification platform with an accent on event-driven, asynchronous pipelines and high-load SaaS architecture. Focus on ensuring correctness, idempotency, and delivery guarantees across notification flows while optimizing performance and scalability.

Location: This role is based in hirify.global's Amsterdam office, offering a hybrid work model with a WFH equipment allowance and travel allowance for commute.

Company

hirify.global is a visual workspace for innovation, co-headquartered in San Francisco and Amsterdam, enabling distributed teams to build and collaborate.

What you will do

• Design and implement scalable, fault-tolerant backend services for email and in-app notifications.
• Build and evolve event-driven, asynchronous pipelines for high volumes of product and user events.
• Create high-quality technical designs and write clean, maintainable 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.

Requirements

• 6+ years of backend development experience (Java 17, Kotlin, Spring / Spring Boot).
• 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.
• 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.
• Ability to obtain visa sponsorship for employment with hirify.global if required.

Culture & Benefits

• Competitive equity package and medical insurance coverage.
• Lunch, snacks and drinks provided in the office in Amsterdam.
• Wellbeing benefit and WFH equipment allowance.
• Annual learning and development allowance.
• Travel allowance for your commute to the office.
• Opportunity to work for a globally diverse team across 13 hubs.
• Supportive, welcoming, and innovative environment focused on collaboration and diversity.