Technical Lead - OSS Platform

About the job:

Rakuten Symphony is reimagining telecom, changing supply chain norms and disrupting outmoded thinking that threatens the industry's pursuit of rapid innovation and growth. We are looking for individuals to join our team across all functional areas of our business - from sales to engineering, support functions to product development.

Job Description:

We are looking for a Technical Lead to design, build, and own scalable OSS platforms for telecom network monitoring, analytics, and automation. The role requires strong hands-on expertise in Java, Spring Boot, Hibernate, along with Big Data and streaming technologies such as Apache Spark, NOSQL DB, and Kafka.

Key Responsibilities:

- Lead the design and own end-to-end architecture of high-performance systems.

- Design and manage event-driven systems using Apache Kafka.

- Design microservices-based architectures with high availability and resiliency.

- Develop backend services using Java, Spring Boot, Hibernate.

- Build and optimize real-time and batch data pipelines using Apache Spark.

- Integrate OSS platforms with EMS/NMS systems using SNMP, REST, and file-based ingestion.

- Drive AI/ML-based OSS use cases, including alarm noise reduction, anomaly detection, and predictive failure analysis.

- Mentor junior engineers and enforce coding and design best practices.

Tech Stack:

- Java, Spring Boot, Hibernate/JPA

- Apache Kafka, Apache Spark

- MySQL, Cassandra, ClickHouse

- Docker, Kubernetes, Helm

- Prometheus, OpenTelemetry, Grafana, Jaeger

Required Skills :

- 8-12 years of experience in software engineering.

- Strong experience in microservices and distributed systems.

- Hands-on experience with AI/ML use cases.

- Ability to design high-throughput, low-latency systems.

- Experience in Telco / large-scale platforms is a plus.

Skills

System Architecture, Java, Spring Boot, Hibernate, Apache Spark, Microservices Architecture, AI Integration, Kafka, OSS, Distributed Systems, Telecom