Senior Backend Engineer

1. Senior Backend Engineer

Experience

• 8+ years of hands-on experience in backend development with Java and Spring Boot framework
• 6+ years of experience in designing, developing, and deploying microservice architectures using Spring Boot
• 6+ years of experience with microservices architecture and distributed systems

Key Responsibilities

• Design, develop, and deploy scalable multi-service applications using Spring Boot with focus on high availability, performance security.
• Architect and implement RESTful APIs and event-driven microservices to support complex business requirements.
• Build and maintain distributed systems with proper service discovery, load balancing, and fault tolerance mechanisms.
• Design and optimize database schemas for both relational (PostgreSQL, MySQL) and NoSQL (such as MongoDB, Redis, Cassandra) databases.
• Implement message queue systems using Kafka, RabbitMQ, or AWS SQS for asynchronous communication between services.
• Develop CI/CD pipelines for automated testing, deployment, and monitoring of backend services.
• Optimize application performance through caching strategies, database query optimization, and asynchronous processing.
• Ensure security best practices, including authentication, authorization, data encryption, and protection against common vulnerabilities (OWASP Top 10).
• Collaborate with DevOps teams to containerize applications using Docker and orchestrate using Kubernetes for cloud deployments.
• Mentor junior developers and conduct code reviews to maintain high code quality standards.

Qualifications & Experience

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• Proven expertise in Java with a strong foundation in object-oriented programming, SOLID principles, and design patterns.
• Deep hands-on experience with the Spring Boot ecosystem, including Spring Data JPA, Spring Security, Spring Cloud, and Spring Batch.
• Proven experience in high level and low level system architecture designs
• Demonstrated experience in developing and deploying multi-service architectures with proper service boundaries and inter-service communication.
• Solid understanding of microservices design patterns, including API Gateway, Circuit Breaker, Saga, CQRS, and Event Sourcing.
• Proficiency with containerization using Docker and orchestration using Kubernetes or AWS ECS/EKS.
• Experience with cloud platforms such as AWS, GCP, or Azure, including services like EC2, Lambda, S3, RDS, and API Gateway.
• Strong knowledge of message brokers (Kafka, RabbitMQ, ActiveMQ) and implementing event-driven architectures.
• Expertise in database design and optimization for both SQL and NoSQL databases, including indexing, partitioning, and replication strategies.
• Hands-on experience with caching solutions such as Redis, Memcached, or Hazelcast for improving application performance.
• Experience with monitoring and observability tools such as Prometheus, Grafana, ELK Stack, Datadog, or New Relic.
• Strong understanding of authentication and authorization mechanisms, including OAuth 2.0, JWT, SAML, and SSO.
• Experience with testing frameworks, including JUnit, Mockito, TestContainers, and integration testing strategies.
• Familiarity with CI/CD tools such as Jenkins, GitLab CI, GitHub Actions, or CircleCI.
• Knowledge of API documentation tools such as Swagger/OpenAPI, Postman, or SpringDoc.
• Excellent problem-solving skills with the ability to debug complex issues in distributed systems.
• Strong communication and collaboration skills, with the ability to work effectively in cross-functional teams.
• Proven ability to lead technical initiatives, make architectural decisions, and mentor team members.