Job Title: Software Engineer/ Sr. Software Engineer

Experience: 3 – 7 years

Location: Indore (Onsite)

Why should you choose us?

Rakuten Symphony is reimagining telecom, changing supply chain norms and disrupting outmoded thinking that threatens the industry’s pursuit of rapid innovation and growth. Based on proven modern infrastructure practices, its open interface platforms make it possible to launch and operate advanced mobile services in a fraction of the time and cost of conventional approaches, with no compromise to network quality or security.

Rakuten Symphony has operations in Japan, the United States, Singapore, India, South Korea, Europe, and the Middle East Africa region. For more information, visit: https://symphony.rakuten.com.

Building on the technology Rakuten used to launch Japan’s newest mobile network, we are taking our mobile offering global.

To support our ambitions to provide an innovative cloud-native telco platform for our customers, Rakuten Symphony is looking to recruit and develop top talent from around the globe. 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.

Let’s build the future of mobile telecommunications together!

About Rakuten Group, Inc. (TSE: 4755) is a global leader in internet services that empower individuals, communities, businesses and society. Founded in Tokyo in 1997 as an online marketplace, Rakuten has expanded to offer services in e-commerce, fintech, digital content and communications to 2 billion members around the world. The Rakuten Group has over 30,000 employees, and operations in 30 countries and regions. For more information visit https://global.rakuten.com/corp/.

What Do We Expect From You

We are looking for a passionate and hands-on Software Engineer to design, build, and scale high-performance backend systems and microservices. The ideal candidate should have strong experience in Java and Golang, a deep understanding of distributed systems, and a willingness to explore and adopt new technologies.

Responsibilities :

Design and develop high-performance, scalable, and resilient backend microservices using Java (Spring Boot) .
Build and optimize data-intensive workflows integrated with Kafka, Redis, MySQL/PostgreSQL, and REST APIs.
Lead technical discussions, review code, and mentor engineers within the team.
Deploy, monitor, and maintain applications in Kubernetes using Docker, Helm, and modern DevOps practices.
Ensure observability and performance optimization through metrics, logging, and tracing.
Collaborate with cross-functional teams (Product, QA, DevOps, and Architecture) to deliver high-quality releases on time.
Drive best practices in code quality, security, CI/CD automation, and performance tuning.
Implement secure API design, authentication (OAuth2, JWT), and authorization (RBAC/ABAC) mechanisms.
Ensure compliance with secure coding practices, vulnerability management, and data protection guidelines.
Design and monitor API traffic flow from internet to backend microservices via ingress, API gateway, and service mesh.
Participate in architecture design discussions for new features, workflows, and large-scale platform evolution.
Stay curious and continuously explore new technologies, tools, and frameworks relevant to our stack.

Required Skills & Experience:

Design and develop high-performance, scalable, and resilient backend microservices using Java (Spring Boot) .
Build and optimize data-intensive workflows integrated with Kafka, Redis, MySQL/PostgreSQL, and REST APIs.
Lead technical discussions, review code, and mentor engineers within the team.
Deploy, monitor, and maintain applications in Kubernetes using Docker, Helm, and modern DevOps practices.
Ensure observability and performance optimization through metrics, logging, and tracing.
Collaborate with cross-functional teams (Product, QA, DevOps, and Architecture) to deliver high-quality releases on time.
Drive best practices in code quality, security, CI/CD automation, and performance tuning.
Implement secure API design, authentication (OAuth2, JWT), and authorization (RBAC/ABAC) mechanisms.
Ensure compliance with secure coding practices, vulnerability management, and data protection guidelines.
Design and monitor API traffic flow from internet to backend microservices via ingress, API gateway, and service mesh.
Participate in architecture design discussions for new features, workflows, and large-scale platform evolution.
Stay curious and continuously explore new technologies, tools, and frameworks relevant to our stack.

Good to Have

Working knowledge of distributed tracing (Jaeger, OpenTelemetry) and monitoring tools (Prometheus, Grafana).
Experience in Golang.
Experience with Temporal, Camunda, or workflow orchestration engines.
Knowledge of Reactive Programming
Experience in high-volume data pipelines or telecom/automation platforms.

Tech Stack You’ll Work With:

Languages: Java 21+, Golang 1.23+
Frameworks: Spring Boot 3.x, Gin/Fiber
Messaging: Kafka
Cache: Redis / Valkey
Databases: MySQL, PostgreSQL Infrastructure: Docker, Kubernetes, Helm Cloud/DevOps: Private Cloud/AWS / GCP / Jenkins
Monitoring: Prometheus, Grafana, ELK
Security: TLS/mTLS, OAuth2, JWT, Vault, Network Policies

Rakuten Shugi Principles:

Our worldwide practices describe specific behaviours that make Rakuten unique and united across the world. We expect Rakuten employees to model these 5 Shugi Principles of Success.

Always improve, always advance. Only be satisfied with complete success - Kaizen.
Be passionately professional. Take an uncompromising approach to your work and be determined to be the best.
Hypothesize - Practice - Validate - Shikumika. Use the Rakuten Cycle to success in unknown territory.
Maximize Customer Satisfaction. The greatest satisfaction for workers in a service industry is to see their customers smile.
Speed!! Speed!! Speed!! Always be conscious of time. Take charge, set clear goals, and engage your team.

Rakuten Symphony

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