Nisum - Backend Developer - Java / Spring Boot

Backend Developer (Java / Spring Overview :

The Backend Developer is a senior technical role requiring 6- 12 years of Java backend development experience, focused on building high-performance, scalable, and resilient microservices.

This position demands strong hands-on expertise in the Spring ecosystem, including the reactive framework Spring WebFlux, and deep practical experience with MongoDB.

The incumbent will be critical in designing and deploying cloud-native applications, utilizing message brokers and container orchestration to deliver modern, distributed systems.

Job Summary :

We are seeking an expert Backend Developer with extensive experience in the Java ecosystem. The ideal candidate will have strong hands-on experience with Spring Boot and reactive programming using Spring WebFlux. Mandatory skills include solid experience with MongoDB design and aggregation, knowledge of message brokers (Kafka / RabbitMQ), and familiarity with cloud deployment tools (Kubernetes / container orchestration) across major cloud platforms (AWS, GCP, or Azure).

Key Responsibilities and Backend Development Deliverables :

• Core Backend Development : Design, develop, and maintain high-throughput, low-latency backend services primarily using the Java language and the Spring Boot framework.
• Reactive Programming : Apply strong hands-on experience with Spring WebFlux to implement scalable, non-blocking, and event-driven APIs and services.
• NoSQL Database Expertise : Possess solid experience working with MongoDB, including advanced skills in collections design, schema design, and aggregation pipelines for efficient data querying and manipulation.
• Asynchronous Messaging : Implement robust and reliable asynchronous communication between microservices using Kafka, RabbitMQ, or other message brokers to manage event streams and decouple applications.
• Cloud Platform Integration : Leverage Exposure to cloud platforms (AWS / GCP / Azure) to integrate services with native cloud tools, storage, and networking components.
• Code Quality and Architecture : Drive code quality through unit and integration testing, conduct effective code reviews, and contribute to the evolution of the microservice Skills & Qualifications :
• Experience : 6- 12 years of Java backend development experience.
• Core Frameworks : Strong hands-on experience with Spring Boot and Spring WebFlux.
• Database : Solid experience working with MongoDB (including collections, schema design, aggregation).
• Messaging : Experience with Kafka, RabbitMQ, or other message brokers.
• Containerization : Knowledge of Kubernetes or container orchestration tools.

Preferred Skills :

(ref : hirist.tech)