Build and maintain Java/Spring Boot backend microservices for a Notification Hub: routing, preference sync, webhook ingestion, Pub/Sub consumers, Avro schema processing, vendor and internal API integrations, resilience patterns, and operational troubleshooting.
Role Type: Full-Time |
Role Summary
The Senior Backend Developer will implement backend services powering the Notification Hub, including routing logic, preference synchronization workflows, webhook ingestion components, and vendor adapter integrations. This role focuses on building highly reliable, event-driven microservices deployed on GKE using Pub/Sub and Avro.
Key Responsibilities
- Develop Java/Spring Boot microservices for routing, preference sync, webhook ingestion, and batch jobs.
- Implement Pub/Sub consumers with concurrency controls, retry logic, DLQ, and idempotency handling.
- Process Avro payloads and implement schema validation, transformation, and enrichment.
- Build API integrations with Listrak and other messaging/MarTech systems using the adapter pattern.
- Integrate with internal APIs (MDM, CRM, profile services) for data enrichment.
- Contribute to secure webhook handling and event publishing.
- Implement resilience features: circuit breakers, exponential backoff, and message-level deduplication.
- Participate in code reviews, performance tuning, and operational troubleshooting.
Required Skills & Experience
- 8–10 years backend engineering experience.
- Strong expertise with Java, Spring Boot, REST APIs, and microservices.
- Experience with event-driven platforms (Pub/Sub, Kafka, RabbitMQ, etc.).
- Familiarity with Avro or schema-based messaging formats.
- Experience with Kubernetes/GKE deployments.
- Strong integration experience with external APIs.
Preferred
- Experience in messaging platforms, ESP integrations, or customer engagement systems.
- Knowledge of webhook design and security
Compensation, Benefits and Duration
Minimum Compensation: USD 48,000
Maximum Compensation: USD 168,000
Compensation is based on actual experience and qualifications of the candidate. The above is a reasonable and a good faith estimate for the role.
Medical, vision, and dental benefits, 401k retirement plan, variable pay/incentives, paid time off, and paid holidays are available for full time employees.
This position is available for independent contractors
No applications will be considered if received more than 120 days after the date of this post
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