Senior Java Backend Developer

Job Overview

We are looking for an experienced Senior Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications and distributed systems.

Key Responsibilities

• Design and develop scalable backend applications using Java and Spring Boot.
• Build and maintain REST APIs and microservices for enterprise-scale applications.
• Develop clean, efficient, maintainable, and testable code.
• Work with relational and NoSQL databases and optimize queries, indexes, and data access.
• Develop and integrate event-driven and asynchronous systems using messaging platforms such as Kafka, RabbitMQ, or similar technologies.
• Deploy and operate applications in AWS, Docker, and Kubernetes environments.
• Troubleshoot production issues, perform root-cause analysis, and resolve application or infrastructure performance bottlenecks.
• Participate in system design, architecture discussions, code reviews, and technical decision-making.
• Develop automated unit, integration, and performance tests.
• Collaborate with cross-functional engineering teams in an Agile/Scrum environment.

Required Skills

• Strong hands-on experience with Java and Spring Boot.
• Strong knowledge of Core Java, OOP, Collections, Generics, Multithreading, and Concurrency.
• Experience building REST APIs and microservices.
• Strong understanding of Data Structures, Algorithms, and Big-O complexity.
• Strong SQL and relational database experience, preferably PostgreSQL.
• Experience with NoSQL databases such as MongoDB.
• Experience with database indexing, query optimization, and performance tuning.
• Experience with Kafka, RabbitMQ, ActiveMQ, or similar messaging technologies.
• Experience with AWS, Docker, and Kubernetes.
• Understanding of distributed systems, scalability, caching, and performance optimization.
• Strong problem-solving, analytical, and communication skills.

Qualifications

• 8+ years of software development experience, with significant experience in Java backend development.
• Experience developing enterprise-scale backend applications and distributed systems.
• Experience working with cloud-native applications and microservices.
• Strong understanding of software development, system performance, troubleshooting, and scalability.
• Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, or a related field is preferred.