Java Spring Boot Developer 0-2 yrs | Mumbai only

Isoftwarefactory; Mumbai Suburban; On-site; INR 400,000 - 640,000; Full time

Job summary

Isoftwarefactory is seeking a Java Spring Boot Developer with 0-2 years of backend experience to build secure, scalable services in Mumbai. You will work on RESTful microservices, API documentation, data serialization, and secure persistence layers using Hibernate/JPA and SQL/NoSQL databases.

You will collaborate in an Agile environment, perform code reviews, and integrate with third-party APIs, including payment gateways, ensuring performance and security best practices.

Qualifications

• 0-2 years of experience with Java 17+ and Spring Boot (Microservices).
• Hands-on experience with Hibernate/JPA and SQL/NoSQL databases.
• Proficient in JSON/XML APIs and API design/consumption.

Responsibilities

• Develop and maintain RESTful microservices using Java Spring Boot.
• Document APIs using Swagger/OpenAPI for stakeholders.
• Handle data serialization using JSON/XML and perform validation.
• Build secure data persistence layers with Hibernate/JPA and SQL/NoSQL databases.
• Ensure performance, scalability, and availability under load.
• Collaborate through code reviews, design discussions, and agile processes.
• Integrate with third-party APIs including payment gateways.
• Write clean, well-documented, testable code and participate in sprints.

Skills

Java 17+

Spring Boot

REST APIs

Hibernate/JPA

SQL/NoSQL

JSON/XML

Performance tuning

Security best practices

Git & Maven

Code reviews

Tools

Swagger/OpenAPI

Git

Maven

Job description

Job Description:

We are seeking a skilled Java Spring Boot Developer with 0-2 years of experience in building secure, scalable, and high-performance backend applications. The ideal candidate will have hands‑on experience with Hibernate/JPA, caching strategies, SQL/NoSQL, JSON/XML APIs, and third-party integrations. A strong focus on performance tuning, security, and best practices is essential.

Key Responsibilities:

• Develop and maintain RESTful microservices using Java Spring Boot
• Document APIs using Swagger/OpenAPI for internal and external stakeholders
• Handle data serialization using JSON and XML, including transformation and validation
• Build secure and maintainable data persistence layers using Hibernate, JPA, and SQL/NoSQL databases
• Ensure application performance, scalability, and availability under load
• Collaborate with peers through code reviews, design discussions, and architectural decisions
• Integrate with third-party APIs, including payment gateways (CashFree, PayU, etc.)
• Write clean, well-documented, and testable code using best practices
• Participate in Agile sprints, story grooming, estimations, and retrospectives
  

Required Skills:

• 0-2 years of experience with Java 17+ and Spring Boot (Microservices)
• Expertise in working with JSON, XML, and related parsing libraries
• Solid knowledge of Hibernate, JPA, SQL (PostgreSQL/MySQL), and NoSQL (MongoDB)
• Familiarity with third-party API integration, including payment gateway SDKs/APIs
• Strong grasp of coding best practices, design patterns, and peer review processes
• Proficient with Git, Maven.
  

Preferred Skills:

• Familiarity with Spring Security, JWT, OAuth2
• Knowledge of Kafka or cloud platforms (AWS/Azure).
• Exposure to B2B/B2C transaction-heavy applications