Job highlights

- 5 8 Years . About the Role . We are looking for a Senior Software Engineer with strong hands-on experience in Golang and multi-tenant backend platforms .The ideal candidate will have expertise in microservices,REST APIs,gRPC,PostgreSQL,Kubernetes,and self-hosted Keycloak for authentication and authorization
- Strong hands-on experience in Golang
- . Good to Have

Experience: 5 8 Years

About the Role

We are looking for a Senior Software Engineer with strong hands-on experience in Golang and multi-tenant backend platforms . The ideal candidate will have expertise in microservices, REST APIs, gRPC, PostgreSQL, Kubernetes, and self-hosted Keycloak for authentication and authorization.

The candidate should be capable of designing secure, scalable, cloud-based backend systems, taking ownership of technical decisions, and collaborating with cross-functional teams. Python experience in AI/ML model training and deployment is optional.

Key Responsibilities

- Develop scalable, high-performance backend services and APIs using Golang.
- Design and implement microservices-based, multi-tenant and multi-user platforms.
- Develop REST APIs over HTTPS and gRPC services for reliable communication.
- Implement authentication and authorization using self-hosted Keycloak, including realms, roles, clients, OAuth2 and OIDC.
- Deploy, maintain and secure Keycloak environments, ensuring high availability.
- Implement tenant isolation, data access controls and configuration management.
- Design and optimize PostgreSQL schemas, queries, indexing and database migrations.
- Deploy and manage backend services using cloud-based Kubernetes.
- Configure API management, including routing, security, rate limiting and policy enforcement.
- Improve backend performance, security, scalability and reliability.
- Conduct code reviews, mentor junior engineers and contribute to technical decisions.
- Collaborate with Product, DevOps and QA teams to ensure timely project delivery.

Key Performance Indicators

- Quality,



scalability and maintainability of Golang services.
- Successful delivery of secure multi-tenant and multi-user platforms.
- Reliable authentication and authorization using Keycloak.
- Effective technical ownership, code reviews and mentoring.
- On-time delivery and smooth production releases.
- Improved application performance, security and reliability.

Mandatory Skills

- Strong hands-on experience in Golang .
- PostgreSQL and database optimization.
- Keycloak (self-hosted) , OAuth2, OIDC and Role-Based Access Control (RBAC).
- REST APIs over HTTPS and gRPC.
- Multi-tenant and multi-user system design.
- Docker and Kubernetes.
- Strong system design and software architecture fundamentals.
- Good communication, problem-solving and teamwork skills.

Positive to Have

- CI/CD pipelines and GitHub Actions.
- Cloud-based deployment and infrastructure.
- Observability tools for logging, metrics and tracing.
- Exposure to GenAI/LLM integration.
- Python development experience, including:
- Python fundamentals, OOP, modules and exception handling.
- REST API integration and PostgreSQL connectivity.
- Unit testing with pytest and API development using FastAPI.
- Data processing with pandas and NumPy.
- Basic AI/ML model training and evaluation using scikit-learn.
- Deploying AI/ML models as APIs using FastAPI and Docker.

Note: Python and AI/ML experience are optional and should not replace the mandatory Golang, Keycloak and multi-tenant platform requirements.

About Zerozilla

Zerozilla is a global software development and digital marketing partner delivering technology and performance-driven digital marketing solutions to businesses seeking scalable growth. Its broader capabilities span software development, cloud applications, UI/UX, software modernization, technology integrations, digital marketing, website development, SEO, content, graphic design, and video editing.

Disclaimer: This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 Senior Software Engineer (Golang & Multi-Tenant Platforms) (Bengaluru)
🏢 Zerozilla Technologies
📍 Bengaluru