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.