Java Developer

Viamagus Select; Hyderabad; On-site; INR 900,000 - 1,600,000; Full time

Job summary

Viamagus Select in Hyderabad is seeking hands-on Java Developers to deliver production-grade SaaS backend solutions for global customers. The role emphasizes enterprise workflows, data processing, and system integrations.

You will work with Spring Boot, Core Java, Oracle database, and REST/GraphQL APIs, participating in design reviews and code-quality initiatives. A strong foundation in SQL performance is essential.

Qualifications

• 3–6 years of hands-on Java development with real production projects.
• Strong Core Java (Java 8+) including collections, multithreading, and OOP.
• Proficiency in Spring Boot and Spring Data JPA.
• Hibernate ORM experience with relationships, lazy/eager loading, transactions, and tuning.
• Strong Oracle SQL/PLSQL: complex queries, tuning, indexing, stored procedures, triggers, XML/JSON handling.
• Proven experience building and consuming REST and GraphQL APIs.
• Excellent debugging, analytical, and communication skills.
• Bachelor's degree in CS/IT or related field.

Responsibilities

• Design and develop backend solutions using Core Java and Spring Boot.
• Build and configure workflows, data pipelines, and system integrations.
• Develop and maintain REST and GraphQL APIs / microservices.
• Manage data access layers using Hibernate ORM (entity mapping, session management, HQL/Criteria API).
• Work with Oracle databases — stored procedures, triggers, XML parsing, query tuning, indexing.
• Support data migration, validation, and deployment troubleshooting.
• Collaborate with functional and technical teams on scalable solutions.
• Participate in code reviews and technical design discussions.

Skills

Java development

Spring Boot

SQL queries

Oracle SQL

REST APIs

GraphQL APIs

Hibernate ORM

Multithreading

Design patterns

Communication skills

Education

Bachelor's degree in CS/IT

Tools

Oracle database

JPA/Hibernate

CI/CD (Jenkins)

Job description

We're hiring hands-on Java Developers who have delivered real, production-grade solutions for real customers — not just academic or personal projects. You'll join a high-impact enterprise SaaS implementation team in Hyderabad, working on business workflows, integrations, and data processing solutions used by global enterprises.

Key Areas We'll Evaluate

• - Hands-on experience with Spring Boot–based application development
• - Solid working knowledge of SQL (queries, joins, performance basics)
• - Working knowledge of Oracle database
• - Experience building and consuming REST APIs & GraphQL APIs This is a hands-on role — candidates must have real, demonstrable project experience, not just theoretical knowledge.

Key Responsibilities

• - Design and develop robust backend solutions using Core Java and Spring Boot
• - Build and configure workflows, data pipelines, and system integrations
• - Develop and maintain REST and GraphQL APIs / microservices
• - Manage data access layers using Hibernate ORM (entity mapping, session management, HQL/Criteria API, caching)
• - Work with Oracle databases — stored procedures, triggers, XML parsing, query tuning, indexing
• - Support data migration, validation, and deployment troubleshooting
• - Collaborate with functional and technical teams on scalable solutions
• - Participate in code reviews and technical design discussions

Must-Have Skills

• - 3–6 years of hands-on Java development experience, with real production projects
• - Strong Core Java (Java 8+): collections, multithreading, design patterns, OOP, J2EE
• - Proficiency in Spring Boot, Spring Data JPA
• - Hands-on Hibernate ORM experience (relationships, lazy/eager loading, transactions, performance tuning)
• - Strong Oracle SQL/PLSQL: complex queries, tuning, execution plans, indexing, stored procedures, triggers, XML/JSON handling
• - Proven experience building and consuming REST APIs & GraphQL APIs
• - Strong debugging, analytical, and communication skills
• - Bachelor's degree in CS/IT or related field

Good to Have

• - Exposure to OpenAPI 3.x
• - Knowledge of OAuth 2.0 / token-based auth
• - Experience with enterprise SaaS/ERP/CPQ/Revenue Management platforms
• - Git/SVN + CI/CD (Jenkins), release management