Mainframe Developer

Java Mainframe Developer

The Role

Design, develop, and maintain Java-based applications.

Integrate and interface with Mainframe systems (COBOL, JCL, DB2, etc.).

Write and maintain Linux shell scripts for automation, monitoring, and deployment tasks.

Should have rich knowledge in Software Development Life Cycle Methodologies; excellent communication and interpersonal skills, capable of resolving multiple complex issues and motivating team to achieve peak performance

Create a comprehensive architecture for a software solution and providing strategic direction throughout the development process. Design and develop high-performance, scalable, and reliable solutions using Java, Spring boot, Microservices technologies.

Work closely with business stakeholders to gather and analyse requirements, translating them into technical specifications and architectural designs.

Convert visionary concepts into enterprise-wide systems.

Coordinate with all stakeholders in architectural designs and software development.

Ensure compliance of best practices and policies in software development. Perform code reviews and provide feedback to team members to maintain code quality and adherence to best practices.

Providing guidance for the architectural planning for framework. Monitor team of developers and engineers, providing technical guidance, mentoring, and support to ensure the successful implementation of projects.

Creating technical literature, such as training materials or sample code, to encourage acceptance of frameworks

Ensuring system integrity by utilizing proper architectural designs

Advising on security methods and implementing them

Design and deploy Java applications.

Develop strategic, logical, and physical designs.

Ensure products or projects are robust, scalable, and extensible.

Expertise in using Agile methodology

Analyse user requirements to define business objectives

Envisioning system features and functionality

Define application objectives and functionality

Ensure application designs conform with business goals

Identify and resolve any technical issues arising

Write well-designed, testable code

Conducting software analysis, programming, testing, and debugging

Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review

Requirements

Solid understanding of Mainframe technologies: COBOL, JCL, VSAM, DB2, CICS (based on project needs).

Hands-on experience with Linux/Unix Shell Scripting (Bash, KornShell, etc.)

Familiarity with batch jobs and scheduling tools (e.g., Control-M, Autosys).

Good hands-on in Java, J2EE, Databases (Postgres), Web Services (REST, SOAP), Spring boot, Spring MVC, Spring 4.0, Hibernate/JPA, API Gateway, Azure and Microservices. 

5-12 years of experience desired in designing software solutions using software architecture design principles.

Payment domain expertise and ability to drive the team, integrations, migrations, create approach. 

Good to have experience in Angular, and front-end technologies.

Understanding of Kafka, PCF, Integration patterns, Security standards, Concurrency and Multi-threading, Collections, PostgreSQL, Azure, Docker, Kubernetes

Hands-on, high-energy, detail-oriented, proactive, and able to function independently under pressure.

Strong Problem-Solving skills.

Distributed systems (Databases, caches, microservices, message broker) 

API and Contract Testing using REST Assured/Postman/Swagger/SOAP UI + Groovy/Spring Cloud Contract

Test Driven Development TDD Methodology and Unit Testing using   Junit/XCTest

Use of mocking frameworks such as API Service Virtualization/Mockito/OCMock

Static Code Analysis using SonarQube/Xcode Static Analyzer

Hands on with Jenkins/PCF or similar tools for automated provisioning of build and test infrastructure.

Troubleshooting with Splunk, API aids like Swagger/Postman and source control systems like Git

Intermediate knowledge of Maven, Junit, Redis, Oracle database, SQL, Unix command, Shell scripting.

Good to have exposure to Financial/Banking Domain, Frontend development, JavaScript, HTML5, CSS3, Bootstrap/Material UI, Angular.

Good knowledge of tools like Sonar, Data-dog/Dynatrace, GIT, SVN, Rally/Jira, CI (Jenkin / Bamboo)/CD, Splunk

Strong communication skills -- both verbal and written – with strong relationship, collaborative skills, and organizational skills

Proven experience in Agile methodology, SDLC & implementation of Projects, debugging the applications