Senior Java Developer (Microservices, Spring Boot & Kafka)

Sapical Consulting Services Private Limited; Bengaluru, Indore District; Híbrido; INR 2.500.000 - 4.000.000; Tempo integral

Resumo da vaga

Sapical Consulting Services Private Limited seeks an experienced Senior Java Backend Developer to design, build, and deploy scalable microservices using Java 17+, Spring Boot, Spring Cloud, and Kafka. You will implement event-driven architectures, RESTful APIs, and secure services with OAuth2/JWT/OIDC, while integrating with Hibernate and various data stores.

The role requires hands-on API design, containerization with Docker, and orchestration with Kubernetes, plus monitoring via ELK,

Qualificações

• 4+ years of backend development experience with Java and microservices.
• Hands-on experience with Apache Kafka and event-driven patterns.
• Strong knowledge of API security standards (OAuth2, JWT, OIDC) and microservices patterns.
• Familiarity with Docker and CI/CD pipelines.
• Solid troubleshooting, unit testing (JUnit, Mockito), and agile teamwork.

Responsabilidades

• Design and build modular microservices using Java 17+, Spring Boot, Spring Cloud, and Spring Security.
• Develop event-driven messaging and real-time streaming architectures using Apache Kafka topics, producers, and consumers.
• Create and optimize high-throughput REST APIs, documenting endpoints using Swagger/OpenAPI specifications.
• Configure data access layers with Hibernate/JPA and write optimized SQL queries for relational databases like PostgreSQL.
• Package applications into Docker containers and support Kubernetes cluster orchestration for cloud environments.
• Implement distributed tracing, logging, and performance monitoring utilizing ELK Stack, Prometheus, or Grafana.

Conhecimentos

Java

Microservices

Spring Boot

Spring Cloud

REST API design

OAuth2

JWT

OIDC

API Gateway

Circuit Breaker

CI/CD

JUnit

Mockito

Ferramentas

Apache Kafka

Docker

Kubernetes

Swagger/OpenAPI

Hibernate

PostgreSQL

ELK Stack

Prometheus

Grafana

Descrição da vaga

We are seeking a Senior Java Backend Developer with rich experience in Microservices architectures, Spring Boot, and Apache Kafka. You will design, build, and deploy highly scalable, event-driven microservices to process high-throughput transaction flows. The ideal candidate has deep expertise in Spring Boot, Spring Cloud, Hibernate, RESTful API design, relational/non-relational databases, and message brokers like Apache Kafka for real-time asynchronous stream processing.

Responsibilities:

• Design and build modular microservices using Java 17+, Spring Boot, Spring Cloud, and Spring Security.
• Develop event-driven messaging and real-time streaming architectures using Apache Kafka topics, producers, and consumers.
• Create and optimize high-throughput REST APIs, documenting endpoints using Swagger/OpenAPI specifications.
• Configure data access layers with Hibernate/JPA and write optimized SQL queries for relational databases like PostgreSQL.
• Package applications into Docker containers and support Kubernetes cluster orchestration for cloud environments.
• Implement distributed tracing, logging, and performance monitoring utilizing ELK Stack, Prometheus, or Grafana.

Requirements:

• 4+ years of professional backend development experience with Java, Spring Boot, and microservices architecture.
• Hands-on experience setting up, configuring, and working with Apache Kafka message brokers and event-driven patterns.
• Strong knowledge of API security standards (OAuth2, JWT, OIDC) and microservices pattern implementations (API Gateway, Circuit Breaker).
• Familiarity with containerization (Docker) and Continuous Integration/Continuous Deployment (CI/CD) pipelines.
• Solid troubleshooting skills, unit testing proficiency (JUnit, Mockito), and agile development team experience.