Senior Java Engineer (Communications Platform)

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