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Mactores - Java Engineer - Application/Database Modernization

Actively Reviewing

Mactores

Mumbai Full-Time 4–8 yrs exp Posted 11 hours ago · Apply by Sep 14, 2026

Job Description

Key Responsibilities

Participate in application modernization and database migration initiatives involving Oracle to PostgreSQL transformations.
Analyze existing applications, database schemas, stored procedures, and business workflows to design modernization strategies.
Develop, enhance, and maintain enterprise applications using Java, Spring Framework, Spring Boot, and Hibernate.
Refactor legacy codebases to improve maintainability, performance, and scalability.
Design and implement database migration processes, ensuring data integrity, consistency, and minimal downtime during transition activities.
Convert Oracle-specific database objects, queries, procedures, triggers, and packages into PostgreSQL-compatible implementations.
Optimize SQL queries and database structures to achieve high performance and efficient resource utilization.
Collaborate with architects, data engineers, and cross-functional teams to define migration roadmaps and technical solutions.
Participate in system design discussions, code reviews, and architecture evaluations.
Troubleshoot application issues, performance bottlenecks, and database-related challenges during modernization projects.
Develop integration components, APIs, and services required for seamless communication between modernized applications and enterprise systems.
Create technical documentation, migration plans, implementation guides, and operational procedures.
Support testing activities including unit testing, integration testing, performance testing, and user acceptance testing.

Required Skills And Qualifications

Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline.
Strong proficiency in Java programming with experience in developing large-scale web applications.
Hands-on experience with Spring Framework, Spring Boot, Spring MVC, and Hibernate/JPA.
Solid understanding of object-oriented programming principles, design patterns, and software engineering best practices.
Experience working with Oracle databases and PostgreSQL, including schema design, query optimization, indexing, and performance tuning.
Knowledge of database migration methodologies, tools, and best practices.
Familiarity with SQL, PL/SQL, and PostgreSQL procedural language concepts.
Experience with RESTful APIs, microservices architecture, and distributed systems.
Knowledge of version control systems such as Git and experience with CI/CD pipelines.
Understanding of cloud platforms, containerization technologies, and DevOps practices will be an advantage.
Strong analytical, problem-solving, and communication skills with the ability to work effectively in distributed and remote teams.

Preferred Qualifications

Experience in application modernization, legacy system transformation, or database migration projects.
Exposure to cloud-native architectures and modern data platforms.
Familiarity with migration assessment tools and automated code conversion techniques.
Prior experience in Agile development methodologies and collaborative engineering environments is highly desirable.

(ref:hirist.tech)