Lead Java Backend Developer (B2B Multi-Tenant SaaS)

We are looking for a Lead Java Backend Developer (5+ years experience) to design, build, and scale backend systems for a B2B SaaS platform.

The role requires strong expertise in Java-based backend development, microservices architecture, and cloud-native systems, along with the ability to contribute to frontend when needed.

In today’s AI-driven world, the candidate should leverage AI tools for faster development and be comfortable working with a go getter and full-stack mindset.

Work location is Noida.

Key Responsibilities and Requiremenst

• Own backend architecture, system design, and scalability of the platform
• Design and develop high-performance, secure, and scalable Java-based APIs and microservices
• Lead technical decisions across backend systems, databases, and integrations
• Ensure best practices in code quality, testing, observability, and performance
• Work on multi-tenant SaaS architecture, ensuring data isolation and scalability
• Collaborate closely with frontend teams and contribute to UI when required
• Build backend systems with strong understanding of frontend consumption patterns
• Mentor engineers, conduct code reviews, and drive engineering excellence
• Work cross-functionally with product, design, QA, and DevOps in Agile environment
• Quickly adapt to new technologies and drive implementation with minimal supervision
• Use AI tools to accelerate development, debugging, and code quality
• Integrate backend systems with AI/ML services (LLMs, APIs) where relevant
• Ensure smooth CI/CD integration and production reliability
  

Skill, Tools and Stack

• Backend: Java (Spring Boot / Spring Cloud / Hibernate)
• Architecture: Microservices, Distributed Systems, Event-driven architecture
• APIs: REST, GraphQL, API design best practices
• Databases: PostgreSQL / MySQL, MongoDB, Redis
• Messaging & Streaming: Kafka / RabbitMQ
• Cloud & DevOps: AWS / GCP / Azure, Docker, Kubernetes
• CI/CD: Jenkins / GitHub Actions / GitLab CI
• Frontend Awareness: React / Next.js / modern JavaScript frameworks
• AI in Development: ChatGPT, GitHub Copilot, AI-assisted coding workflows
• Strong understanding of multi-tenant B2B SaaS systems is mandatory
  

Good to Have

• Experience in high-scale systems or startup environments
• Exposure to AI/ML integrations, vector databases, or LLM-based features
• Knowledge of real-time systems (WebSockets, streaming architectures)
• Experience in Logistics, GRC, or similar enterprise domains