Staff Software Engineer - Real-time Event Aggregation
T
TwilioCommunications
Remote - IrelandFull-TimeStaff
Salary not disclosed
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Job Details
- Experience
- 8+ years
- Required Skills
- DockerSQLAWS EKSJavaKubernetesSpring BootClickhouseGrafanaCI/CDLinuxTerraformDatadogHIPAA
Requirements
- 8+ years of professional Java development experience with mastery of high-performance and low-latency design patterns
- Production experience with Kafka Streams, Flink, or comparable stream-processing frameworks for building real-time data pipelines
- Hands-on ClickHouse (or columnar database) performance tuning and SQL optimization expertise
- Proven success operating AWS-hosted microservices at scale with solid Linux, Docker, and Kubernetes knowledge
- Strong observability mindset including metrics, tracing, alerting, and post-incident analysis capabilities
- Excellent communication skills and a bias toward collaborative problem-solving in cross-functional team environments
- Experience migrating single-region services to multi-region active-active topologies for high availability
- Familiarity with data-privacy controls including PII tokenization and field-level encryption
- Previous work in telecom, real-time analytics, or compliance-sensitive domains
- Contributions to open-source Java or streaming projects demonstrating community engagement
Responsibilities
- Design, build, and maintain high-performance Java microservices using Spring Boot, capable of ingesting >250K events/sec with p99 < 200 ms
- Implement stateful stream-processing pipelines (Kafka Streams / Apache Flink) with idempotent replays, exactly-once semantics, and schema-evolution tooling
- Optimize ClickHouse schemas, partitioning, and materialized views to support multi-region, sub-second queries for Early Warning System (EWS) detectors
- Embed OpenTelemetry instrumentation and ship comprehensive metrics/traces/logs to Datadog and Grafana with SLI/SLO dashboards
- Champion DevSecOps best practices including Terraform automation, CI/CD pipelines, Kubernetes orchestration, AWS infrastructure (EKS, MSK, S3), and compliance guardrails (HIPAA, SOX, GDPR)
- Leverage best-in-class development productivity practices including AI-powered tooling to accelerate delivery and code quality
- Mentor junior engineers and participate in rigorous code/design reviews to elevate team standards and foster knowledge sharing
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