Lead Java Developer

About the Role

WebBee Global is looking for an experienced Java Architect / Lead Java Backend Developer to drive the design, architecture, and development of scalable SaaS integration platforms. The role requires strong technical leadership, hands-on coding expertise, and the ability to design high-performance backend systems supporting complex e-commerce workflows.

The ideal candidate should have deep expertise in Java, Spring Boot, distributed systems, microservices, API integrations, cloud technologies, and enterprise application architecture. The candidate will be responsible for technical decisions, architecture improvements, mentoring engineering teams, and delivering reliable production-grade solutions.

Key Responsibilities

• Define and design scalable backend architecture for SaaS-based integration platforms.
  
• Lead technical design discussions and provide architectural direction.
  
• Develop and review high-quality backend services using Java and Spring Boot.
  
• Design microservices, APIs, asynchronous workflows, and integration solutions.
  
• Build systems capable of handling high-volume transactions and complex business workflows.
  
• Review existing architecture and recommend improvements for scalability, performance, and reliability.
  
• Design solutions for e-commerce integrations involving orders, inventory, fulfilment, tracking, and product data.
  
• Troubleshoot complex production issues and drive root-cause analysis.
  
• Establish engineering best practices for coding standards, security, testing, and deployment.
  
• Mentor senior and junior developers through technical guidance and code reviews.
  
• Collaborate with Product, QA, DevOps, and business teams to deliver reliable solutions.
  
• Evaluate new technologies and recommend improvements to engineering processes.

Required Skills

• 1215 years of experience in Java backend development.
  
• Strong expertise in Java 8+ and advanced Java concepts.
  
• Extensive experience with Spring Boot, Spring MVC, Spring Data JPA, and Hibernate.
  
• Strong understanding of microservices architecture and distributed systems.
  
• Experience designing and developing enterprise-grade REST APIs.
  
• Strong knowledge of database design, MySQL, SQL optimization, and performance tuning.
  
• Excellent understanding of object-oriented design principles and design patterns.
  
• Experience with multi threading, concurrency, caching, and asynchronous processing.
  
• Strong debugging, system analysis, and production troubleshooting skills.
  
• Experience with Git, Maven/Gradle, JUnit, Mockito, and CI/CD practices.
  
• Understanding of application security, API security, and performance optimization.
  
• Experience working with Linux-based production environments.
  

Preferred Skills

• Experience architecture SaaS products or e-commerce platforms.
  
• Hands-on experience with marketplace and ERP integrations such as Amazon, Shopify, TikTok Shop, NetSuite, WooCommerce, or similar platforms.
  
• Experience with AWS services including EC2, S3, SQS, Lambda, and CloudWatch.
  
• Experience with Redis, Kafka/message queues, Docker, and Kubernetes.
  
• Knowledge of cloud-native architecture and scalability patterns.
  
• Experience leading engineering teams and driving technical initiatives.
  
• Familiarity with monitoring and performance analysis tools