Position : Java Developer (Backend Microservices Specialist)
Experience : 5 - 7 Years
Location : Mumbai and Bangalore (Work From Office - 5 Days)
Max Budget : INR 30 LPA
Job Summary :
We are seeking an experienced Java Developer with 5 to 7 years of expertise in building high-performance, scalable backend microservices. This role demands deep proficiency in the modern Java ecosystem, including Java 21, Spring Boot 3.3+, and essential distributed technologies like MongoDB and Apache Kafka. The ideal candidate must be an immediate joiner or have a maximum notice period of two weeks, and will be responsible for the end-to-end development, testing, and optimization of critical components within a high-throughput enterprise environment.
Job Description :
Core Backend Development and Architecture :
- Design, develop, and maintain resilient and scalable microservices and RESTful APIs using Java 21 (or higher) and the Spring Boot 3.3+ framework.
- Implement and enforce modern software engineering principles, clean code practices, and robust design patterns (e.g., Microservices architecture, Domain-Driven Design) to ensure application quality and longevity.
- Utilize expert knowledge of the Spring ecosystem (Spring Data, Spring Security, Spring Cloud) to manage data access, security controls, and service discovery in a distributed environment.
- Conduct thorough code reviews, enforce unit testing standards (e.g., JUnit, Mockito), and contribute to continuous integration / continuous deployment (CI / CD) pipelines.
Data and Messaging Integration :
Work extensively with MongoDB (or other NoSQL databases) for data modeling, application integration, and optimizing database queries and performance within a high-read / write environment.Develop and manage high-throughput, low-latency asynchronous messaging services using Apache Kafka, designing efficient consumer / producer architectures, error handling mechanisms (DLQs), and stream processing.Ensure data consistency and transactional integrity across distributed services that utilize both NoSQL databases and event-driven architectures.Performance and Deployment :
Analyze and optimize application performance, focusing on thread management, JVM tuning, and efficient resource utilization to meet stringent service level objectives (SLOs).Collaborate with DevOps teams on containerization (Docker, Kubernetes) and cloud deployment (e.g., AWS, Azure) strategies for microservices.Troubleshoot and resolve complex production issues, performance bottlenecks, and service disruptions rapidly.Required Skills & Qualifications :
Experience : Mandatory 5-7 years of relevant experience in Java backend development.Core Java : Deep proficiency in Java 21 or higher.Frameworks : Mandatory expertise in Spring Boot 3.3+ and the broader Spring ecosystem.Data Layer : Mandatory hands-on experience with MongoDB (or equivalent NoSQL databases).Messaging : Mandatory expertise in building solutions with Apache Kafka.Availability : Must be an immediate joiner or available within a maximum of 2 weeks.Preferred Skills :
Cloud : Experience with public cloud providers (AWS, Azure, or GCP) and related services.Containerization : Practical experience with Docker and Kubernetes.Testing : Expertise in implementing integration testing, performance testing, and Test-Driven Development (TDD).CI / CD : Experience with CI / CD tools (e.g., Jenkins, GitLab CI).Observability : Familiarity with monitoring and logging tools (e.g., Prometheus, Grafana, ELK stack).Location : Readiness to work 5 days a week from the office in Mumbai or Bangalore.(ref : hirist.tech)