We are looking for a Senior Java Engineer to join the Event-Driven Communications Platform project full-time. We are building a modern multi-channel communications platform capable of delivering critical messages to millions of recipients across email, SMS, voice, and push notifications.
Your responsibilities will include: * Design and implement a scalable event-driven communications platform * Build highly reliable and fault-tolerant message delivery systems * Manage large-scale real-time event processing pipelines * Design and implement multi-channel delivery pipelines (email, SMS, voice, push) * Handle compliance requirements, consent management, and communication policies * Support emergency and high-priority notification workflows * Implement provider failover and resiliency strategies to ensure delivery continuity * Build tracking systems for delivery status, retries, and engagement events * Design and implement observability, reporting, and analytics infrastructure * Develop event processing and message orchestration workflows * Implement provider integrations and external messaging service adapters * Ensure system scalability, throughput, and performance under high load * Collaborate with product and engineering teams on communication flows and requirements * Contribute to architectural decisions and long-term platform evolution * Ensure operational stability, reliability, and maintainability of the system
What we expect from you: * At least 5 years of backend or platform engineering experience * Strong expertise in Java development * Experience with distributed systems * Strong experience with event-driven architectures * Experience with messaging systems (queues, streams, brokers) * Experience designing high-scale APIs and backend services * Strong understanding of system reliability and fault tolerance * Upper-Intermediate+ English level
Will be a plus: * Experience with email/SMS delivery systems * Experience with telecom or messaging infrastructure * Experience with marketing automation platforms * Experience with notification or engagement systems * Experience with workflow engines * Experience with compliance-heavy systems (consent, GDPR-like regulations) * Experience with high-throughput event processing systems * Experience with cloud-native platforms (GCP preferred)
What We Offer: * Work at a Top-employer company (according to DOU 2025) * A strong culture built on empathy, trust, openness, and real care for employees * Competitive compensation with regular reviews * Medical insurance * Personal learning budget and access to top HR tools, platforms, and practices * Team events and regular team-building activities * Flexible hybrid work model with an office in central Kyiv
