Java Backend - Fullstack Developer

Happiest Minds Technologies; Dadri, Pune District, Bengaluru; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

Happiest Minds Technologies is seeking an experienced backend engineer in India for 8–12 years of software development. You will design and implement backend microservices using Java, Spring, and Spring Boot, with exposure to Kafka, REST, GraphQL, and databases (SQL/NoSQL).

The role involves cloud work on Azure or AWS and architecture-focused delivery, within a collaborative team. The ideal candidate will demonstrate strong problem-solving skills, defense of scalable patterns, and hands-on

Qualifications

• 8–12 years of relevant software development experience.
• Strong knowledge of data structures, algorithms, and OO design.
• Expertise in Backend Microservices, design patterns, architecture design.
• Expertise in Java and Spring, Spring Boot ecosystem.
• Expertise in JUnit.
• Experience in creating REST APIs, GraphQL.
• Hands-on experience in SQL/NoSQL.
• Experience in one of the cloud platforms - Azure or AWS.

Responsibilities

• Develop and maintain backend microservices for scalable systems.
• Architect solutions using established design patterns and practices.
• Work with Kafka for event-driven architectures.
• Develop Java applications using the Spring/Spring Boot stack.
• Create and test REST APIs and GraphQL endpoints.
• Manage SQL and NoSQL data stores with best practices.
• Deploy and operate solutions on Azure or AWS.

Skills

Data structures

Algorithms

Object-oriented design

Backend microservices

Design patterns

Architecture design

Tools

Java

Spring

Spring Boot

JUnit

REST APIs

GraphQL

SQL

NoSQL

Kafka

Azure

AWS

Job description

Role & responsibilities

1. 8 to 12 Years of relevant software development
2. Commanding knowledge of data structures, algorithms, and object-oriented design
3. Expertise in Backend Micro Services, design pattern, architecture design, kafka
4. Expertise in Java and Spring, Spring Boot ecosystem,
5. Expertise in JUnit
6. Expertise in creating REST APIs, GraphQL
7. Hands On experience in SQL/NOSQL
8. Experience in one of the cloud platforms -Azure, Amazon Web Services